-// File: IntTools_FaceFace.cxx
-// Created: Thu Nov 23 14:52:53 2000
-// Author: Michael KLOKOV
-// Copyright: OPEN CASCADE 2000
-
-
-#include <IntTools_FaceFace.ixx>
-
-#include <Precision.hxx>
-
-#include <TColStd_HArray1OfReal.hxx>
-#include <TColStd_Array1OfReal.hxx>
-#include <TColStd_Array1OfInteger.hxx>
-#include <TColStd_SequenceOfReal.hxx>
-#include <TColStd_ListOfInteger.hxx>
-#include <TColStd_ListIteratorOfListOfInteger.hxx>
-#include <TColStd_Array1OfListOfInteger.hxx>
-
-#include <gp_Lin2d.hxx>
-#include <gp_Ax22d.hxx>
-#include <gp_Circ2d.hxx>
-#include <gp_Torus.hxx>
-#include <gp_Cylinder.hxx>
-
-#include <Bnd_Box.hxx>
-
-#include <TColgp_HArray1OfPnt2d.hxx>
-#include <TColgp_SequenceOfPnt2d.hxx>
-#include <TColgp_Array1OfPnt.hxx>
-#include <TColgp_Array1OfPnt2d.hxx>
-
-#include <IntAna_QuadQuadGeo.hxx>
-
-#include <IntSurf_PntOn2S.hxx>
-#include <IntSurf_LineOn2S.hxx>
-#include <IntSurf_PntOn2S.hxx>
-#include <IntSurf_ListOfPntOn2S.hxx>
-#include <IntRes2d_Domain.hxx>
-#include <ProjLib_Plane.hxx>
+// Created on: 2000-11-23
+// Created by: Michael KLOKOV
+// Copyright (c) 2000-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
-#include <IntPatch_GLine.hxx>
-#include <IntPatch_RLine.hxx>
-#include <IntPatch_WLine.hxx>
-#include <IntPatch_ALine.hxx>
-#include <IntPatch_ALineToWLine.hxx>
+#include <IntTools_FaceFace.hxx>
-#include <ElSLib.hxx>
+#include <BRepAdaptor_Surface.hxx>
+#include <BRepTools.hxx>
+#include <BRep_Tool.hxx>
#include <ElCLib.hxx>
-
-#include <Extrema_ExtCC.hxx>
-#include <Extrema_POnCurv.hxx>
-#include <BndLib_AddSurface.hxx>
-
-#include <Adaptor3d_SurfacePtr.hxx>
-#include <Adaptor2d_HLine2d.hxx>
-
-#include <GeomAbs_SurfaceType.hxx>
-#include <GeomAbs_CurveType.hxx>
-
-#include <Geom_Surface.hxx>
-#include <Geom_Line.hxx>
+#include <ElSLib.hxx>
+#include <Geom2dAdaptor_Curve.hxx>
+#include <Geom2dInt_GInter.hxx>
+#include <Geom2d_Line.hxx>
+#include <Geom2d_TrimmedCurve.hxx>
+#include <GeomAPI_ProjectPointOnSurf.hxx>
+#include <GeomAdaptor_HSurface.hxx>
+#include <GeomInt_IntSS.hxx>
+#include <GeomInt_WLApprox.hxx>
+#include <GeomLib_Check2dBSplineCurve.hxx>
+#include <GeomLib_CheckBSplineCurve.hxx>
+#include <Geom_BSplineCurve.hxx>
#include <Geom_Circle.hxx>
#include <Geom_Ellipse.hxx>
-#include <Geom_Parabola.hxx>
#include <Geom_Hyperbola.hxx>
-#include <Geom_TrimmedCurve.hxx>
-#include <Geom_BSplineCurve.hxx>
-#include <Geom_RectangularTrimmedSurface.hxx>
+#include <Geom_Line.hxx>
#include <Geom_OffsetSurface.hxx>
-#include <Geom_Curve.hxx>
-#include <Geom_Conic.hxx>
-
-#include <Geom2d_TrimmedCurve.hxx>
-#include <Geom2d_BSplineCurve.hxx>
-#include <Geom2d_Line.hxx>
-#include <Geom2d_Curve.hxx>
-#include <Geom2d_Circle.hxx>
-
-#include <Geom2dAPI_InterCurveCurve.hxx>
-#include <Geom2dInt_GInter.hxx>
-#include <GeomAdaptor_Curve.hxx>
-#include <GeomAdaptor_HSurface.hxx>
-#include <GeomAdaptor_Surface.hxx>
-#include <GeomLib_CheckBSplineCurve.hxx>
-#include <GeomLib_Check2dBSplineCurve.hxx>
-
-#include <GeomInt_WLApprox.hxx>
-#include <GeomProjLib.hxx>
-#include <GeomAPI_ProjectPointOnSurf.hxx>
-#include <Geom2dAdaptor_Curve.hxx>
-//
-#include <TopoDS.hxx>
-#include <TopoDS_Edge.hxx>
-#include <TopExp_Explorer.hxx>
-
-#include <BRep_Tool.hxx>
-#include <BRepTools.hxx>
-#include <BRepAdaptor_Surface.hxx>
-
-#include <BOPTColStd_Dump.hxx>
-
-#include <IntTools_Curve.hxx>
-#include <IntTools_Tools.hxx>
+#include <Geom_Parabola.hxx>
+#include <Geom_RectangularTrimmedSurface.hxx>
+#include <Geom_TrimmedCurve.hxx>
+#include <IntAna_QuadQuadGeo.hxx>
+#include <IntPatch_GLine.hxx>
+#include <IntPatch_RLine.hxx>
+#include <IntPatch_WLine.hxx>
+#include <IntRes2d_Domain.hxx>
+#include <IntSurf_Quadric.hxx>
+#include <IntTools_Context.hxx>
#include <IntTools_Tools.hxx>
#include <IntTools_TopolTool.hxx>
-#include <IntTools_PntOnFace.hxx>
-#include <IntTools_PntOn2Faces.hxx>
-#include <IntTools_Context.hxx>
-#include <IntSurf_ListIteratorOfListOfPntOn2S.hxx>
+#include <IntTools_WLineTool.hxx>
+#include <ProjLib_Plane.hxx>
+#include <TopExp_Explorer.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Edge.hxx>
+#include <gp_Elips.hxx>
-//modified by NIZNHY-PKV Mon Dec 26 13:37:52 2011f
static
- void RefineVector(gp_Vec2d& aV2D);
-//modified by NIZNHY-PKV Mon Dec 26 13:37:54 2011t
-static
- void DumpWLine(const Handle(IntPatch_WLine)& aWLine);
-//
-static
- void TolR3d(const TopoDS_Face& ,
- const TopoDS_Face& ,
- Standard_Real& );
-static
- Handle(Geom_Curve) MakeBSpline (const Handle(IntPatch_WLine)&,
- const Standard_Integer,
- const Standard_Integer);
+ void TolR3d(const Standard_Real aTolF1,
+ const Standard_Real aTolF2,
+ Standard_Real& myTolReached3d);
static
void Parameters(const Handle(GeomAdaptor_HSurface)&,
- const Handle(GeomAdaptor_HSurface)&,
- const gp_Pnt&,
- Standard_Real&,
- Standard_Real&,
- Standard_Real&,
- Standard_Real&);
-
-static
- void BuildPCurves (Standard_Real f,Standard_Real l,Standard_Real& Tol,
- const Handle (Geom_Surface)& S,
- const Handle (Geom_Curve)& C,
- Handle (Geom2d_Curve)& C2d);
+ const Handle(GeomAdaptor_HSurface)&,
+ const gp_Pnt&,
+ Standard_Real&,
+ Standard_Real&,
+ Standard_Real&,
+ Standard_Real&);
static
void CorrectSurfaceBoundaries(const TopoDS_Face& theFace,
- const Standard_Real theTolerance,
- Standard_Real& theumin,
- Standard_Real& theumax,
- Standard_Real& thevmin,
- Standard_Real& thevmax);
-static
- Standard_Boolean NotUseSurfacesForApprox
- (const TopoDS_Face& aF1,
- const TopoDS_Face& aF2,
- const Handle(IntPatch_WLine)& WL,
- const Standard_Integer ifprm,
- const Standard_Integer ilprm);
-
-static
- Handle(IntPatch_WLine) ComputePurgedWLine(const Handle(IntPatch_WLine)& theWLine);
-
-static
- Standard_Real AdjustPeriodic(const Standard_Real theParameter,
- const Standard_Real parmin,
- const Standard_Real parmax,
- const Standard_Real thePeriod,
- Standard_Real& theOffset);
-
-static
- Handle(Geom2d_BSplineCurve) MakeBSpline2d(const Handle(IntPatch_WLine)& theWLine,
- const Standard_Integer ideb,
- const Standard_Integer ifin,
- const Standard_Boolean onFirst);
-
-static
- Standard_Boolean DecompositionOfWLine(const Handle(IntPatch_WLine)& theWLine,
- const Handle(GeomAdaptor_HSurface)& theSurface1,
- const Handle(GeomAdaptor_HSurface)& theSurface2,
- const TopoDS_Face& theFace1,
- const TopoDS_Face& theFace2,
- const IntTools_LineConstructor& theLConstructor,
- const Standard_Boolean theAvoidLConstructor,
- IntPatch_SequenceOfLine& theNewLines,
- Standard_Real& theReachedTol3d);
+ const Standard_Real theTolerance,
+ Standard_Real& theumin,
+ Standard_Real& theumax,
+ Standard_Real& thevmin,
+ Standard_Real& thevmax);
static
Standard_Boolean ParameterOutOfBoundary(const Standard_Real theParameter,
- const Handle(Geom_Curve)& theCurve,
- const TopoDS_Face& theFace1,
- const TopoDS_Face& theFace2,
- const Standard_Real theOtherParameter,
- const Standard_Boolean bIncreasePar,
- Standard_Real& theNewParameter);
-
-static
- Standard_Boolean IsCurveValid(Handle(Geom2d_Curve)& thePCurve);
-
-static
- Standard_Boolean IsPointOnBoundary(const Standard_Real theParameter,
- const Standard_Real theFirstBoundary,
- const Standard_Real theSecondBoundary,
- const Standard_Real theResolution,
- Standard_Boolean& IsOnFirstBoundary);
-static
- Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint,
- const gp_Pnt2d& theLastPoint,
- const Standard_Real theUmin,
- const Standard_Real theUmax,
- const Standard_Real theVmin,
- const Standard_Real theVmax,
- gp_Pnt2d& theNewPoint);
-
+ const Handle(Geom_Curve)& theCurve,
+ const TopoDS_Face& theFace1,
+ const TopoDS_Face& theFace2,
+ const Standard_Real theOtherParameter,
+ const Standard_Boolean bIncreasePar,
+ const Standard_Real theTol,
+ Standard_Real& theNewParameter,
+ const Handle(IntTools_Context)& );
static
- Standard_Integer ComputeTangentZones( const Handle(GeomAdaptor_HSurface)& theSurface1,
- const Handle(GeomAdaptor_HSurface)& theSurface2,
- const TopoDS_Face& theFace1,
- const TopoDS_Face& theFace2,
- Handle(TColgp_HArray1OfPnt2d)& theResultOnS1,
- Handle(TColgp_HArray1OfPnt2d)& theResultOnS2,
- Handle(TColStd_HArray1OfReal)& theResultRadius);
-
-static
- Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint,
- const gp_Pnt2d& theLastPoint,
- const Standard_Real theUmin,
- const Standard_Real theUmax,
- const Standard_Real theVmin,
- const Standard_Real theVmax,
- const gp_Pnt2d& theTanZoneCenter,
- const Standard_Real theZoneRadius,
- Handle(GeomAdaptor_HSurface) theGASurface,
- gp_Pnt2d& theNewPoint);
-
-static
- Standard_Boolean IsInsideTanZone(const gp_Pnt2d& thePoint,
- const gp_Pnt2d& theTanZoneCenter,
- const Standard_Real theZoneRadius,
- Handle(GeomAdaptor_HSurface) theGASurface);
+ Standard_Boolean IsCurveValid(const Handle(Geom2d_Curve)& thePCurve);
static
-gp_Pnt2d AdjustByNeighbour(const gp_Pnt2d& theaNeighbourPoint,
- const gp_Pnt2d& theOriginalPoint,
- Handle(GeomAdaptor_HSurface) theGASurface);
-static
-Standard_Boolean ApproxWithPCurves(const gp_Cylinder& theCyl,
- const gp_Sphere& theSph);
+ Standard_Boolean ApproxWithPCurves(const gp_Cylinder& theCyl,
+ const gp_Sphere& theSph);
static void PerformPlanes(const Handle(GeomAdaptor_HSurface)& theS1,
- const Handle(GeomAdaptor_HSurface)& theS2,
- const Standard_Real TolAng,
- const Standard_Real TolTang,
- const Standard_Boolean theApprox1,
- const Standard_Boolean theApprox2,
+ const Handle(GeomAdaptor_HSurface)& theS2,
+ const Standard_Real TolF1,
+ const Standard_Real TolF2,
+ const Standard_Real TolAng,
+ const Standard_Real TolTang,
+ const Standard_Boolean theApprox1,
+ const Standard_Boolean theApprox2,
IntTools_SequenceOfCurves& theSeqOfCurve,
- Standard_Boolean& theTangentFaces);
+ Standard_Boolean& theTangentFaces,
+ Standard_Real& TolReached3d);
static Standard_Boolean ClassifyLin2d(const Handle(GeomAdaptor_HSurface)& theS,
- const gp_Lin2d& theLin2d,
- const Standard_Real theTol,
- Standard_Real& theP1,
- Standard_Real& theP2);
+ const gp_Lin2d& theLin2d,
+ const Standard_Real theTol,
+ Standard_Real& theP1,
+ Standard_Real& theP2);
//
static
void ApproxParameters(const Handle(GeomAdaptor_HSurface)& aHS1,
- const Handle(GeomAdaptor_HSurface)& aHS2,
- Standard_Integer& iDegMin,
- Standard_Integer& iDegMax);
+ const Handle(GeomAdaptor_HSurface)& aHS2,
+ Standard_Integer& iDegMin,
+ Standard_Integer& iNbIter,
+ Standard_Integer& iDegMax);
static
void Tolerances(const Handle(GeomAdaptor_HSurface)& aHS1,
- const Handle(GeomAdaptor_HSurface)& aHS2,
- Standard_Real& aTolArc,
- Standard_Real& aTolTang,
- Standard_Real& aUVMaxStep,
- Standard_Real& aDeflection);
+ const Handle(GeomAdaptor_HSurface)& aHS2,
+ Standard_Real& aTolTang);
static
Standard_Boolean SortTypes(const GeomAbs_SurfaceType aType1,
- const GeomAbs_SurfaceType aType2);
+ const GeomAbs_SurfaceType aType2);
static
Standard_Integer IndexType(const GeomAbs_SurfaceType aType);
//
+static
+ Standard_Boolean CheckPCurve(const Handle(Geom2d_Curve)& aPC,
+ const TopoDS_Face& aFace,
+ const Handle(IntTools_Context)& theCtx);
+
+static
+ Standard_Real MaxDistance(const Handle(Geom_Curve)& theC,
+ const Standard_Real aT,
+ GeomAPI_ProjectPointOnSurf& theProjPS);
+
+static
+ Standard_Real FindMaxDistance(const Handle(Geom_Curve)& theC,
+ const Standard_Real theFirst,
+ const Standard_Real theLast,
+ GeomAPI_ProjectPointOnSurf& theProjPS,
+ const Standard_Real theEps);
+
+static
+ Standard_Real FindMaxDistance(const Handle(Geom_Curve)& theCurve,
+ const Standard_Real theFirst,
+ const Standard_Real theLast,
+ const TopoDS_Face& theFace,
+ const Handle(IntTools_Context)& theContext);
+
+static
+ void CorrectPlaneBoundaries(Standard_Real& aUmin,
+ Standard_Real& aUmax,
+ Standard_Real& aVmin,
+ Standard_Real& aVmax);
+
//=======================================================================
//function :
//purpose :
//=======================================================================
- IntTools_FaceFace::IntTools_FaceFace()
+IntTools_FaceFace::IntTools_FaceFace()
{
+ myIsDone=Standard_False;
myTangentFaces=Standard_False;
//
myHS1 = new GeomAdaptor_HSurface ();
myHS2 = new GeomAdaptor_HSurface ();
myTolReached2d=0.;
myTolReached3d=0.;
+ myTolReal = 0.;
+ myTolF1 = 0.;
+ myTolF2 = 0.;
+ myTol = 0.;
+ myFuzzyValue = Precision::Confusion();
SetParameters(Standard_True, Standard_True, Standard_True, 1.e-07);
}
//=======================================================================
+//function : SetContext
+//purpose :
+//=======================================================================
+void IntTools_FaceFace::SetContext(const Handle(IntTools_Context)& aContext)
+{
+ myContext=aContext;
+}
+//=======================================================================
+//function : Context
+//purpose :
+//=======================================================================
+const Handle(IntTools_Context)& IntTools_FaceFace::Context()const
+{
+ return myContext;
+}
+//=======================================================================
//function : Face1
//purpose :
//=======================================================================
- const TopoDS_Face& IntTools_FaceFace::Face1() const
+const TopoDS_Face& IntTools_FaceFace::Face1() const
{
return myFace1;
}
-
//=======================================================================
//function : Face2
//purpose :
//=======================================================================
- const TopoDS_Face& IntTools_FaceFace::Face2() const
+const TopoDS_Face& IntTools_FaceFace::Face2() const
{
return myFace2;
}
-
//=======================================================================
//function : TangentFaces
//purpose :
//=======================================================================
- Standard_Boolean IntTools_FaceFace::TangentFaces() const
+Standard_Boolean IntTools_FaceFace::TangentFaces() const
{
return myTangentFaces;
}
//function : Points
//purpose :
//=======================================================================
- const IntTools_SequenceOfPntOn2Faces& IntTools_FaceFace::Points() const
+const IntTools_SequenceOfPntOn2Faces& IntTools_FaceFace::Points() const
{
return myPnts;
}
//function : IsDone
//purpose :
//=======================================================================
- Standard_Boolean IntTools_FaceFace::IsDone() const
+Standard_Boolean IntTools_FaceFace::IsDone() const
{
return myIsDone;
}
//function : TolReached3d
//purpose :
//=======================================================================
- Standard_Real IntTools_FaceFace::TolReached3d() const
+Standard_Real IntTools_FaceFace::TolReached3d() const
{
return myTolReached3d;
}
//=======================================================================
+//function : TolReal
+//purpose :
+//=======================================================================
+Standard_Real IntTools_FaceFace::TolReal() const
+{
+ return myTolReal;
+}
+//=======================================================================
//function : Lines
//purpose : return lines of intersection
//=======================================================================
- const IntTools_SequenceOfCurves& IntTools_FaceFace::Lines() const
+const IntTools_SequenceOfCurves& IntTools_FaceFace::Lines() const
{
- StdFail_NotDone_Raise_if(!myIsDone,
- "IntTools_FaceFace::Lines() => !myIntersector.IsDone()");
+ StdFail_NotDone_Raise_if
+ (!myIsDone,
+ "IntTools_FaceFace::Lines() => myIntersector NOT DONE");
return mySeqOfCurve;
}
-
//=======================================================================
//function : TolReached2d
//purpose :
//=======================================================================
- Standard_Real IntTools_FaceFace::TolReached2d() const
+Standard_Real IntTools_FaceFace::TolReached2d() const
{
return myTolReached2d;
}
// function: SetParameters
//
// =======================================================================
- void IntTools_FaceFace::SetParameters(const Standard_Boolean ToApproxC3d,
- const Standard_Boolean ToApproxC2dOnS1,
- const Standard_Boolean ToApproxC2dOnS2,
- const Standard_Real ApproximationTolerance)
+void IntTools_FaceFace::SetParameters(const Standard_Boolean ToApproxC3d,
+ const Standard_Boolean ToApproxC2dOnS1,
+ const Standard_Boolean ToApproxC2dOnS2,
+ const Standard_Real ApproximationTolerance)
{
myApprox = ToApproxC3d;
myApprox1 = ToApproxC2dOnS1;
myTolApprox = ApproximationTolerance;
}
//=======================================================================
-//function : SetList
+//function : SetFuzzyValue
+//purpose :
+//=======================================================================
+void IntTools_FaceFace::SetFuzzyValue(const Standard_Real theFuzz)
+{
+ myFuzzyValue = Max(theFuzz, Precision::Confusion());
+}
+//=======================================================================
+//function : FuzzyValue
//purpose :
//=======================================================================
+Standard_Real IntTools_FaceFace::FuzzyValue() const
+{
+ return myFuzzyValue;
+}
+//=======================================================================
+//function : SetList
+//purpose :
+//=======================================================================
void IntTools_FaceFace::SetList(IntSurf_ListOfPntOn2S& aListOfPnts)
{
myListOfPnts = aListOfPnts;
}
+
+static Standard_Boolean isTreatAnalityc(const BRepAdaptor_Surface& theBAS1,
+ const BRepAdaptor_Surface& theBAS2,
+ const Standard_Real theTol)
+{
+ const Standard_Real Tolang = 1.e-8;
+ Standard_Real aHigh = 0.0;
+
+ const GeomAbs_SurfaceType aType1=theBAS1.GetType();
+ const GeomAbs_SurfaceType aType2=theBAS2.GetType();
+
+ gp_Pln aS1;
+ gp_Cylinder aS2;
+ if(aType1 == GeomAbs_Plane)
+ {
+ aS1=theBAS1.Plane();
+ }
+ else if(aType2 == GeomAbs_Plane)
+ {
+ aS1=theBAS2.Plane();
+ }
+ else
+ {
+ return Standard_True;
+ }
+
+ if(aType1 == GeomAbs_Cylinder)
+ {
+ aS2=theBAS1.Cylinder();
+ const Standard_Real VMin = theBAS1.FirstVParameter();
+ const Standard_Real VMax = theBAS1.LastVParameter();
+
+ if( Precision::IsNegativeInfinite(VMin) ||
+ Precision::IsPositiveInfinite(VMax))
+ return Standard_True;
+ else
+ aHigh = VMax - VMin;
+ }
+ else if(aType2 == GeomAbs_Cylinder)
+ {
+ aS2=theBAS2.Cylinder();
+
+ const Standard_Real VMin = theBAS2.FirstVParameter();
+ const Standard_Real VMax = theBAS2.LastVParameter();
+
+ if( Precision::IsNegativeInfinite(VMin) ||
+ Precision::IsPositiveInfinite(VMax))
+ return Standard_True;
+ else
+ aHigh = VMax - VMin;
+ }
+ else
+ {
+ return Standard_True;
+ }
+
+ IntAna_QuadQuadGeo inter;
+ inter.Perform(aS1,aS2,Tolang,theTol, aHigh);
+ if(inter.TypeInter() == IntAna_Ellipse)
+ {
+ const gp_Elips anEl = inter.Ellipse(1);
+ const Standard_Real aMajorR = anEl.MajorRadius();
+ const Standard_Real aMinorR = anEl.MinorRadius();
+
+ return (aMajorR < 100000.0 * aMinorR);
+ }
+ else
+ {
+ return inter.IsDone();
+ }
+}
//=======================================================================
//function : Perform
//purpose : intersect surfaces of the faces
//=======================================================================
- void IntTools_FaceFace::Perform(const TopoDS_Face& aF1,
- const TopoDS_Face& aF2)
+void IntTools_FaceFace::Perform(const TopoDS_Face& aF1,
+ const TopoDS_Face& aF2)
{
- Standard_Boolean hasCone, RestrictLine, bTwoPlanes, bReverse;
- Standard_Integer aNbLin, aNbPnts, i, NbLinPP;
- Standard_Real TolArc, TolTang, Deflection, UVMaxStep;
- Standard_Real umin, umax, vmin, vmax;
- Standard_Real aTolF1, aTolF2;
- GeomAbs_SurfaceType aType1, aType2;
- Handle(Geom_Surface) S1, S2;
- Handle(IntTools_TopolTool) dom1, dom2;
- BRepAdaptor_Surface aBAS1, aBAS2;
- //
+ Standard_Boolean RestrictLine = Standard_False;
+
+ if (myContext.IsNull()) {
+ myContext=new IntTools_Context;
+ }
+
mySeqOfCurve.Clear();
myTolReached2d=0.;
myTolReached3d=0.;
+ myTolReal = 0.;
myIsDone = Standard_False;
myNbrestr=0;//?
- hasCone = Standard_False;
- bTwoPlanes = Standard_False;
- //
+
myFace1=aF1;
myFace2=aF2;
- //
- aBAS1.Initialize(myFace1, Standard_False);
- aBAS2.Initialize(myFace2, Standard_False);
- aType1=aBAS1.GetType();
- aType2=aBAS2.GetType();
- //
- bReverse=SortTypes(aType1, aType2);
- if (bReverse) {
+
+ const BRepAdaptor_Surface& aBAS1 = myContext->SurfaceAdaptor(myFace1);
+ const BRepAdaptor_Surface& aBAS2 = myContext->SurfaceAdaptor(myFace2);
+ GeomAbs_SurfaceType aType1=aBAS1.GetType();
+ GeomAbs_SurfaceType aType2=aBAS2.GetType();
+
+ const Standard_Boolean bReverse=SortTypes(aType1, aType2);
+ if (bReverse)
+ {
myFace1=aF2;
myFace2=aF1;
aType1=aBAS2.GetType();
aType2=aBAS1.GetType();
- //
- if (myListOfPnts.Extent()) {
+
+ if (myListOfPnts.Extent())
+ {
Standard_Real aU1,aV1,aU2,aV2;
IntSurf_ListIteratorOfListOfPntOn2S aItP2S;
//
aItP2S.Initialize(myListOfPnts);
- for (; aItP2S.More(); aItP2S.Next()){
- IntSurf_PntOn2S& aP2S=aItP2S.Value();
- aP2S.Parameters(aU1,aV1,aU2,aV2);
- aP2S.SetValue(aU2,aV2,aU1,aV1);
+ for (; aItP2S.More(); aItP2S.Next())
+ {
+ IntSurf_PntOn2S& aP2S=aItP2S.Value();
+ aP2S.Parameters(aU1,aV1,aU2,aV2);
+ aP2S.SetValue(aU2,aV2,aU1,aV1);
}
}
+ //
+ Standard_Boolean anAproxTmp = myApprox1;
+ myApprox1 = myApprox2;
+ myApprox2 = anAproxTmp;
}
- //
- S1=BRep_Tool::Surface(myFace1);
- S2=BRep_Tool::Surface(myFace2);
- //
- aTolF1=BRep_Tool::Tolerance(myFace1);
- aTolF2=BRep_Tool::Tolerance(myFace2);
- //
- TolArc= aTolF1 + aTolF2;
- TolTang = TolArc;
- //
- NbLinPP = 0;
- if(aType1==GeomAbs_Plane && aType2==GeomAbs_Plane){
- bTwoPlanes = Standard_True;
- BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax);
- myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax);
- //
- BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax);
- myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax);
- Standard_Real TolAng = 1.e-8;
- PerformPlanes(myHS1, myHS2, TolAng, TolTang, myApprox1, myApprox2,
- mySeqOfCurve, myTangentFaces);
- myIsDone = Standard_True;
+ const Handle(Geom_Surface) S1=BRep_Tool::Surface(myFace1);
+ const Handle(Geom_Surface) S2=BRep_Tool::Surface(myFace2);
- if(myTangentFaces) {
- return;
- }
- //
- NbLinPP = mySeqOfCurve.Length();
- if(NbLinPP == 0) {
- return;
- }
+ Standard_Real aFuzz = myFuzzyValue / 2.;
+ myTolF1 = BRep_Tool::Tolerance(myFace1) + aFuzz;
+ myTolF2 = BRep_Tool::Tolerance(myFace2) + aFuzz;
+ myTol = myTolF1 + myTolF2;
+
+ Standard_Real TolArc = myTol;
+ Standard_Real TolTang = TolArc;
+
+ const Standard_Boolean isFace1Quad = (aType1 == GeomAbs_Cylinder ||
+ aType1 == GeomAbs_Cone ||
+ aType1 == GeomAbs_Torus);
- Standard_Real aTolFMax;
+ const Standard_Boolean isFace2Quad = (aType2 == GeomAbs_Cylinder ||
+ aType2 == GeomAbs_Cone ||
+ aType2 == GeomAbs_Torus);
+
+ if(aType1==GeomAbs_Plane && aType2==GeomAbs_Plane) {
+ Standard_Real umin, umax, vmin, vmax;
//
- myTolReached3d = 1.e-7;
+ myContext->UVBounds(myFace1, umin, umax, vmin, vmax);
+ CorrectPlaneBoundaries(umin, umax, vmin, vmax);
+ myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax);
//
- aTolFMax=Max(aTolF1, aTolF2);
+ myContext->UVBounds(myFace2, umin, umax, vmin, vmax);
+ CorrectPlaneBoundaries(umin, umax, vmin, vmax);
+ myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax);
//
- if (aTolFMax>myTolReached3d) {
- myTolReached3d=aTolFMax;
- }
- myTolReached2d = myTolReached3d;
+ Standard_Real TolAng = 1.e-8;
//
- if (bReverse) {
- Handle(Geom2d_Curve) aC2D1, aC2D2;
- //
- aNbLin=mySeqOfCurve.Length();
- for (i=1; i<=aNbLin; ++i) {
- IntTools_Curve& aIC=mySeqOfCurve(i);
- aC2D1=aIC.FirstCurve2d();
- aC2D2=aIC.SecondCurve2d();
- //
- aIC.SetFirstCurve2d(aC2D2);
- aIC.SetSecondCurve2d(aC2D1);
+ PerformPlanes(myHS1, myHS2,
+ myTolF1, myTolF2, TolAng, TolTang,
+ myApprox1, myApprox2,
+ mySeqOfCurve, myTangentFaces, myTolReached3d);
+ //
+ myIsDone = Standard_True;
+
+ if(!myTangentFaces) {
+ const Standard_Integer NbLinPP = mySeqOfCurve.Length();
+ if(NbLinPP) {
+ Standard_Real aTolFMax;
+ aTolFMax=Max(myTolF1, myTolF2);
+ myTolReal = Precision::Confusion();
+ if (aTolFMax > myTolReal) {
+ myTolReal = aTolFMax;
+ }
+ if (aTolFMax > myTolReached3d) {
+ myTolReached3d = aTolFMax;
+ }
+ //
+ myTolReached2d = myTolReal;
+
+ if (bReverse) {
+ Handle(Geom2d_Curve) aC2D1, aC2D2;
+ const Standard_Integer aNbLin = mySeqOfCurve.Length();
+ for (Standard_Integer i = 1; i <= aNbLin; ++i) {
+ IntTools_Curve& aIC=mySeqOfCurve(i);
+ aC2D1=aIC.FirstCurve2d();
+ aC2D2=aIC.SecondCurve2d();
+ aIC.SetFirstCurve2d(aC2D2);
+ aIC.SetSecondCurve2d(aC2D1);
+ }
+ }
}
}
return;
}//if(aType1==GeomAbs_Plane && aType2==GeomAbs_Plane){
- //
- if (aType1==GeomAbs_Plane &&
- (aType2==GeomAbs_Cylinder ||
- aType2==GeomAbs_Cone ||
- aType2==GeomAbs_Torus)) {
- Standard_Real dU, dV;
+
+ if ((aType1==GeomAbs_Plane) && isFace2Quad)
+ {
+ Standard_Real umin, umax, vmin, vmax;
// F1
- BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax);
- dU=0.1*(umax-umin);
- dV=0.1*(vmax-vmin);
- umin=umin-dU;
- umax=umax+dU;
- vmin=vmin-dV;
- vmax=vmax+dV;
+ myContext->UVBounds(myFace1, umin, umax, vmin, vmax);
+ CorrectPlaneBoundaries(umin, umax, vmin, vmax);
myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax);
// F2
- BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax);
- CorrectSurfaceBoundaries(myFace2, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax);
+ myContext->UVBounds(myFace2, umin, umax, vmin, vmax);
+ CorrectSurfaceBoundaries(myFace2, myTol * 2., umin, umax, vmin, vmax);
myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax);
- //
- if( aType2==GeomAbs_Cone ) {
- TolArc = 0.0001;
- hasCone = Standard_True;
- }
}
- //
- else if ((aType1==GeomAbs_Cylinder||
- aType1==GeomAbs_Cone ||
- aType1==GeomAbs_Torus) &&
- aType2==GeomAbs_Plane) {
- Standard_Real dU, dV;
+ else if ((aType2==GeomAbs_Plane) && isFace1Quad)
+ {
+ Standard_Real umin, umax, vmin, vmax;
//F1
- BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax);
- CorrectSurfaceBoundaries(myFace1, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax);
+ myContext->UVBounds(myFace1, umin, umax, vmin, vmax);
+ CorrectSurfaceBoundaries(myFace1, myTol * 2., umin, umax, vmin, vmax);
myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax);
// F2
- BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax);
- dU=0.1*(umax-umin);
- dV=0.1*(vmax-vmin);
- umin=umin-dU;
- umax=umax+dU;
- vmin=vmin-dV;
- vmax=vmax+dV;
+ myContext->UVBounds(myFace2, umin, umax, vmin, vmax);
+ CorrectPlaneBoundaries(umin, umax, vmin, vmax);
myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax);
- //
- if( aType1==GeomAbs_Cone ) {
- TolArc = 0.0001;
- hasCone = Standard_True;
- }
}
-
- //
- else {
- BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax);
- //
- CorrectSurfaceBoundaries(myFace1, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax);
- //
+ else
+ {
+ Standard_Real umin, umax, vmin, vmax;
+ myContext->UVBounds(myFace1, umin, umax, vmin, vmax);
+ CorrectSurfaceBoundaries(myFace1, myTol * 2., umin, umax, vmin, vmax);
myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax);
- //
- BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax);
- //
- CorrectSurfaceBoundaries(myFace2, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax);
- //
+ myContext->UVBounds(myFace2, umin, umax, vmin, vmax);
+ CorrectSurfaceBoundaries(myFace2, myTol * 2., umin, umax, vmin, vmax);
myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax);
}
- //
- dom1 = new IntTools_TopolTool(myHS1);
- dom2 = new IntTools_TopolTool(myHS2);
- //
+
+ const Handle(IntTools_TopolTool) dom1 = new IntTools_TopolTool(myHS1);
+ const Handle(IntTools_TopolTool) dom2 = new IntTools_TopolTool(myHS2);
+
myLConstruct.Load(dom1, dom2, myHS1, myHS2);
- //
- Deflection = (hasCone) ? 0.085 : 0.1;
- UVMaxStep = 0.001;
- //
- Tolerances(myHS1, myHS2, TolArc, TolTang, UVMaxStep, Deflection);
- //
- myIntersector.SetTolerances(TolArc, TolTang, UVMaxStep, Deflection);
- //
- RestrictLine = Standard_False;
- //
+
+
+ Tolerances(myHS1, myHS2, TolTang);
+
+ {
+ const Standard_Real UVMaxStep = 0.001;
+ const Standard_Real Deflection = 0.1;
+ myIntersector.SetTolerances(TolArc, TolTang, UVMaxStep, Deflection);
+ }
+
if((myHS1->IsUClosed() && !myHS1->IsUPeriodic()) ||
(myHS1->IsVClosed() && !myHS1->IsVPeriodic()) ||
(myHS2->IsUClosed() && !myHS2->IsUPeriodic()) ||
- (myHS2->IsVClosed() && !myHS2->IsVPeriodic())) {
+ (myHS2->IsVClosed() && !myHS2->IsVPeriodic()))
+ {
RestrictLine = Standard_True;
}
//
- if(((aType1 != GeomAbs_BSplineSurface) &&
+ if((aType1 != GeomAbs_BSplineSurface) &&
(aType1 != GeomAbs_BezierSurface) &&
- (aType1 != GeomAbs_OtherSurface)) &&
- ((aType2 != GeomAbs_BSplineSurface) &&
+ (aType1 != GeomAbs_OtherSurface) &&
+ (aType2 != GeomAbs_BSplineSurface) &&
(aType2 != GeomAbs_BezierSurface) &&
- (aType2 != GeomAbs_OtherSurface))) {
+ (aType2 != GeomAbs_OtherSurface))
+ {
RestrictLine = Standard_True;
- //
+
if ((aType1 == GeomAbs_Torus) ||
- (aType2 == GeomAbs_Torus) ) {
+ (aType2 == GeomAbs_Torus))
+ {
myListOfPnts.Clear();
}
}
+
//
- if(!RestrictLine) {
+ if(!RestrictLine)
+ {
TopExp_Explorer aExp;
- //
- for(i = 0; (!RestrictLine) && (i < 2); i++) {
+ for(Standard_Integer i = 0; (!RestrictLine) && (i < 2); i++)
+ {
const TopoDS_Face& aF=(!i) ? myFace1 : myFace2;
aExp.Init(aF, TopAbs_EDGE);
- for(; aExp.More(); aExp.Next()) {
- const TopoDS_Edge& aE=TopoDS::Edge(aExp.Current());
- //
- if(BRep_Tool::Degenerated(aE)) {
- RestrictLine = Standard_True;
- break;
- }
+ for(; aExp.More(); aExp.Next())
+ {
+ const TopoDS_Edge& aE=TopoDS::Edge(aExp.Current());
+
+ if(BRep_Tool::Degenerated(aE))
+ {
+ RestrictLine = Standard_True;
+ break;
+ }
}
}
}
- //
- myIntersector.Perform(myHS1, dom1, myHS2, dom2,
- TolArc, TolTang,
- myListOfPnts, RestrictLine);
- //
+
+#ifdef INTTOOLS_FACEFACE_DEBUG
+ if(!myListOfPnts.IsEmpty()) {
+ char aBuff[10000];
+ const IntSurf_PntOn2S& aPt = myListOfPnts.First();
+ Standard_Real u1, v1, u2, v2;
+ aPt.Parameters(u1, v1, u2, v2);
+
+ Sprintf(aBuff,"bopcurves <face1 face2> -2d");
+ IntSurf_ListIteratorOfListOfPntOn2S IterLOP1(myListOfPnts);
+ for(;IterLOP1.More(); IterLOP1.Next())
+ {
+ const IntSurf_PntOn2S& aPt = IterLOP1.Value();
+ Standard_Real u1, v1, u2, v2;
+ aPt.Parameters(u1, v1, u2, v2);
+
+ Sprintf(aBuff, "%s -p %+10.20f %+10.20f %+10.20f %+10.20f", aBuff, u1, v1, u2, v2);
+ }
+
+ cout << aBuff << endl;
+ }
+#endif
+
+ const Standard_Boolean isGeomInt = isTreatAnalityc(aBAS1, aBAS2, myTol);
+ myIntersector.Perform(myHS1, dom1, myHS2, dom2, TolArc, TolTang,
+ myListOfPnts, RestrictLine, isGeomInt);
+
myIsDone = myIntersector.IsDone();
- if (myIsDone) {
+
+ if (myIsDone)
+ {
myTangentFaces=myIntersector.TangentFaces();
if (myTangentFaces) {
return;
myListOfPnts.Clear(); // to use LineConstructor
}
//
- aNbLin = myIntersector.NbLines();
- for (i=1; i<=aNbLin; ++i) {
- MakeCurve(i, dom1, dom2);
+ const Standard_Integer aNbLinIntersector = myIntersector.NbLines();
+ for (Standard_Integer i=1; i <= aNbLinIntersector; ++i) {
+ MakeCurve(i, dom1, dom2, TolArc);
}
//
ComputeTolReached3d();
if (bReverse) {
Handle(Geom2d_Curve) aC2D1, aC2D2;
//
- aNbLin=mySeqOfCurve.Length();
- for (i=1; i<=aNbLin; ++i) {
- IntTools_Curve& aIC=mySeqOfCurve(i);
- aC2D1=aIC.FirstCurve2d();
- aC2D2=aIC.SecondCurve2d();
- //
- aIC.SetFirstCurve2d(aC2D2);
- aIC.SetSecondCurve2d(aC2D1);
+ const Standard_Integer aNbLinSeqOfCurve =mySeqOfCurve.Length();
+ for (Standard_Integer i=1; i<=aNbLinSeqOfCurve; ++i)
+ {
+ IntTools_Curve& aIC=mySeqOfCurve(i);
+ aC2D1=aIC.FirstCurve2d();
+ aC2D2=aIC.SecondCurve2d();
+ aIC.SetFirstCurve2d(aC2D2);
+ aIC.SetSecondCurve2d(aC2D1);
}
}
- //
+
// Points
+ Standard_Boolean bValid2D1, bValid2D2;
Standard_Real U1,V1,U2,V2;
IntTools_PntOnFace aPntOnF1, aPntOnF2;
IntTools_PntOn2Faces aPntOn2Faces;
//
- aNbPnts=myIntersector.NbPnts();
- for (i=1; i<=aNbPnts; ++i) {
+ const Standard_Integer aNbPnts = myIntersector.NbPnts();
+ for (Standard_Integer i=1; i <= aNbPnts; ++i)
+ {
const IntSurf_PntOn2S& aISPnt=myIntersector.Point(i).PntOn2S();
const gp_Pnt& aPnt=aISPnt.Value();
aISPnt.Parameters(U1,V1,U2,V2);
+ //
+ // check the validity of the intersection point for the faces
+ bValid2D1 = myContext->IsPointInOnFace(myFace1, gp_Pnt2d(U1, V1));
+ if (!bValid2D1) {
+ continue;
+ }
+ //
+ bValid2D2 = myContext->IsPointInOnFace(myFace2, gp_Pnt2d(U2, V2));
+ if (!bValid2D2) {
+ continue;
+ }
+ //
+ // add the intersection point
aPntOnF1.Init(myFace1, aPnt, U1, V1);
aPntOnF2.Init(myFace2, aPnt, U2, V2);
//
- if (!bReverse) {
- aPntOn2Faces.SetP1(aPntOnF1);
- aPntOn2Faces.SetP2(aPntOnF2);
+ if (!bReverse)
+ {
+ aPntOn2Faces.SetP1(aPntOnF1);
+ aPntOn2Faces.SetP2(aPntOnF2);
}
- else {
- aPntOn2Faces.SetP2(aPntOnF1);
- aPntOn2Faces.SetP1(aPntOnF2);
+ else
+ {
+ aPntOn2Faces.SetP2(aPntOnF1);
+ aPntOn2Faces.SetP1(aPntOnF2);
}
+
myPnts.Append(aPntOn2Faces);
}
- //
}
}
+
//=======================================================================
-//function :ComputeTolReached3d
+//function : ComputeTolerance
//purpose :
//=======================================================================
- void IntTools_FaceFace::ComputeTolReached3d()
+Standard_Real IntTools_FaceFace::ComputeTolerance()
{
- Standard_Integer aNbLin;
- GeomAbs_SurfaceType aType1, aType2;
- //
- aNbLin=myIntersector.NbLines();
+ Standard_Integer i, j, aNbLin;
+ Standard_Real aFirst, aLast, aD, aDMax, aT;
+ Handle(Geom_Surface) aS1, aS2;
//
- aType1=myHS1->Surface().GetType();
- aType2=myHS2->Surface().GetType();
+ aDMax = 0;
+ aNbLin = mySeqOfCurve.Length();
//
- if (aNbLin==2 &&
- aType1==GeomAbs_Cylinder &&
- aType2==GeomAbs_Cylinder) {
- Handle(IntPatch_Line) aIL1, aIL2;
- IntPatch_IType aTL1, aTL2;
- //
- aIL1=myIntersector.Line(1);
- aIL2=myIntersector.Line(2);
- aTL1=aIL1->ArcType();
- aTL2=aIL2->ArcType();
- if (aTL1==IntPatch_Lin && aTL2==IntPatch_Lin) {
- Standard_Real aD, aDTresh, dTol;
- gp_Lin aL1, aL2;
- //
- dTol=1.e-8;
- aDTresh=1.5e-6;
- //
- aL1=Handle(IntPatch_GLine)::DownCast(aIL1)->Line();
- aL2=Handle(IntPatch_GLine)::DownCast(aIL2)->Line();
- aD=aL1.Distance(aL2);
- aD=0.5*aD;
- if (aD<aDTresh) {
- myTolReached3d=aD+dTol;
- }
- }
- }
- //904/G3 f
- if (aType1==GeomAbs_Plane &&
- aType2==GeomAbs_Plane) {
- Standard_Real aTolF1, aTolF2, aTolFMax, aTolTresh;
- //
- aTolTresh=1.e-7;
- //
- aTolF1 = BRep_Tool::Tolerance(myFace1);
- aTolF2 = BRep_Tool::Tolerance(myFace2);
- aTolFMax=Max(aTolF1, aTolF2);
- //
- if (aTolFMax>aTolTresh) {
- myTolReached3d=aTolFMax;
- }
- }
- //t
- //IFV Bug OCC20297
- if((aType1 == GeomAbs_Cylinder && aType2 == GeomAbs_Plane) ||
- (aType2 == GeomAbs_Cylinder && aType1 == GeomAbs_Plane)) {
- if(aNbLin == 1) {
- const Handle(IntPatch_Line)& aIL1 = myIntersector.Line(1);
- if(aIL1->ArcType() == IntPatch_Circle) {
- gp_Circ aCir = Handle(IntPatch_GLine)::DownCast(aIL1)->Circle();
- gp_XYZ aCirDir = aCir.Axis().Direction().XYZ();
- gp_XYZ aPlDir;
- gp_Pln aPln;
- if(aType1 == GeomAbs_Plane) {
- aPln = myHS1->Surface().Plane();
- }
- else {
- aPln = myHS2->Surface().Plane();
- }
- aPlDir = aPln.Axis().Direction().XYZ();
- Standard_Real cs = aCirDir*aPlDir;
- if(cs < 0.) aPlDir.Reverse();
- Standard_Real eps = 1.e-14;
- if(!aPlDir.IsEqual(aCirDir, eps)) {
- Standard_Integer aNbP = 11;
- Standard_Real dt = 2.*M_PI / (aNbP - 1), t;
- for(t = 0.; t < 2.*M_PI; t += dt) {
- Standard_Real d = aPln.Distance(ElCLib::Value(t, aCir));
- if(myTolReached3d < d) myTolReached3d = d;
- }
- myTolReached3d *= 1.1;
- }
- } //aIL1->ArcType() == IntPatch_Circle
- } //aNbLin == 1
- } // aType1 == GeomAbs_Cylinder && aType2 == GeomAbs_Plane) ...
- //End IFV Bug OCC20297
+ aS1 = myHS1->ChangeSurface().Surface();
+ aS2 = myHS2->ChangeSurface().Surface();
//
- if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Torus) ||
- (aType2==GeomAbs_Plane && aType1==GeomAbs_Torus)) {
- aNbLin=mySeqOfCurve.Length();
- if (aNbLin!=1) {
- return;
- }
- //
- Standard_Integer i, aNbP;
- Standard_Real aT, aT1, aT2, dT, aUT, aVT, aUP, aVP;
- Standard_Real aDP, aDT, aDmax;
- gp_Pln aPln;
- gp_Torus aTorus;
- gp_Pnt aP, aPP, aPT;
- //
- const IntTools_Curve& aIC=mySeqOfCurve(1);
- const Handle(Geom_Curve)& aC3D=aIC.Curve();
- const Handle(Geom_BSplineCurve)& aBS=Handle(Geom_BSplineCurve)::DownCast(aC3D);
- if (aBS.IsNull()) {
- return;
+ for (i = 1; i <= aNbLin; ++i)
+ {
+ const IntTools_Curve& aIC = mySeqOfCurve(i);
+ const Handle(Geom_Curve)& aC3D = aIC.Curve();
+ if (aC3D.IsNull())
+ {
+ continue;
}
//
- aT1=aBS->FirstParameter();
- aT2=aBS->LastParameter();
+ aFirst = aC3D->FirstParameter();
+ aLast = aC3D->LastParameter();
//
- aPln =(aType1==GeomAbs_Plane) ? myHS1->Plane() : myHS2->Plane();
- aTorus=(aType1==GeomAbs_Plane) ? myHS2->Torus() : myHS1->Torus();
+ const Handle(Geom2d_Curve)& aC2D1 = aIC.FirstCurve2d();
+ const Handle(Geom2d_Curve)& aC2D2 = aIC.SecondCurve2d();
//
- aDmax=-1.;
- aNbP=11;
- dT=(aT2-aT1)/(aNbP-1);
- for (i=0; i<aNbP; ++i) {
- aT=aT1+i*dT;
- if (i==aNbP-1) {
- aT=aT2;
- }
- //
- aC3D->D0(aT, aP);
+ for (j = 0; j < 2; ++j)
+ {
+ const Handle(Geom2d_Curve)& aC2D = !j ? aC2D1 : aC2D2;
+ const Handle(Geom_Surface)& aS = !j ? aS1 : aS2;
//
- ElSLib::Parameters(aPln, aP, aUP, aVP);
- aPP=ElSLib::Value(aUP, aVP, aPln);
- aDP=aP.SquareDistance(aPP);
- if (aDP>aDmax) {
- aDmax=aDP;
+ if (!aC2D.IsNull())
+ {
+ if (IntTools_Tools::ComputeTolerance
+ (aC3D, aC2D, aS, aFirst, aLast, aD, aT))
+ {
+ if (aD > aDMax)
+ {
+ aDMax = aD;
+ }
+ }
}
- //
- ElSLib::Parameters(aTorus, aP, aUT, aVT);
- aPT=ElSLib::Value(aUT, aVT, aTorus);
- aDT=aP.SquareDistance(aPT);
- if (aDT>aDmax) {
- aDmax=aDT;
+ else
+ {
+ const TopoDS_Face& aF = !j ? myFace1 : myFace2;
+ aD = FindMaxDistance(aC3D, aFirst, aLast, aF, myContext);
+ if (aD > aDMax)
+ {
+ aDMax = aD;
+ }
}
}
- //
- if (aDmax > myTolReached3d*myTolReached3d) {
- myTolReached3d=sqrt(aDmax);
- myTolReached3d=1.1*myTolReached3d;
- }
- }// if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Torus) ||
+ }
//
- if ((aType1==GeomAbs_SurfaceOfRevolution && aType2==GeomAbs_Cylinder) ||
- (aType2==GeomAbs_SurfaceOfRevolution && aType1==GeomAbs_Cylinder)) {
- Standard_Boolean bIsDone;
- Standard_Integer i, j, aNbP;
- Standard_Real aT, aT1, aT2, dT, aU1, aV1, aU2, aV2;
- Standard_Real aDSmax, aDS1, aDS2, aDS;
- gp_Pnt2d aP2D1, aP2D2;
- gp_Pnt aP3D, aP3D1, aP3D2;
- IntTools_Context aCtx;
- //
- aNbLin=mySeqOfCurve.Length();
- aDSmax=-1.;
- aNbP=11;
- //
- for (i=1; i<=aNbLin; ++i) {
- const IntTools_Curve& aIC=mySeqOfCurve(i);
- const Handle(Geom_Curve)& aC3D=aIC.Curve();
- const Handle(Geom2d_Curve)& aC2D1=aIC.FirstCurve2d();
- const Handle(Geom2d_Curve)& aC2D2=aIC.SecondCurve2d();
+ return aDMax;
+}
+
+//=======================================================================
+//function :ComputeTolReached3d
+//purpose :
+//=======================================================================
+void IntTools_FaceFace::ComputeTolReached3d()
+{
+ Standard_Integer aNbLin;
+ GeomAbs_SurfaceType aType1, aType2;
+ //
+ aNbLin=myIntersector.NbLines();
+ if (!aNbLin) {
+ return;
+ }
+ //
+ aType1=myHS1->Surface().GetType();
+ aType2=myHS2->Surface().GetType();
+ //
+ if (aType1==GeomAbs_Cylinder && aType2==GeomAbs_Cylinder)
+ {
+ if (aNbLin==2)
+ {
+ Handle(IntPatch_Line) aIL1, aIL2;
+ IntPatch_IType aTL1, aTL2;
//
- if (aC3D.IsNull()) {
- continue;
- }
- const Handle(Geom_BSplineCurve)& aBC=Handle(Geom_BSplineCurve)::DownCast(aC3D);
- if (aBC.IsNull()) {
- return;
+ aIL1=myIntersector.Line(1);
+ aIL2=myIntersector.Line(2);
+ aTL1=aIL1->ArcType();
+ aTL2=aIL2->ArcType();
+ if (aTL1==IntPatch_Lin && aTL2==IntPatch_Lin) {
+ Standard_Real aD, aDTresh, dTol;
+ gp_Lin aL1, aL2;
+ //
+ dTol=1.e-8;
+ aDTresh=1.5e-6;
+ //
+ aL1=Handle(IntPatch_GLine)::DownCast(aIL1)->Line();
+ aL2=Handle(IntPatch_GLine)::DownCast(aIL2)->Line();
+ aD=aL1.Distance(aL2);
+ aD=0.5*aD;
+ if (aD<aDTresh)
+ {//In order to avoid creation too thin face
+ myTolReached3d=aD+dTol;
+ }
}
- //
- aT1=aBC->FirstParameter();
- aT2=aBC->LastParameter();
- //
- dT=(aT2-aT1)/(aNbP-1);
- for (j=0; j<aNbP; ++j) {
- aT=aT1+j*dT;
- if (j==aNbP-1) {
- aT=aT2;
- }
- //
- aC3D->D0(aT, aP3D);
- // 1
- if (!aC2D1.IsNull()) {
- aC2D1->D0(aT, aP2D1);
- aP2D1.Coord(aU1, aV1);
- myHS1->D0(aU1, aV1, aP3D1);
- aDS1=aP3D.SquareDistance(aP3D1);
- if (aDS1>aDSmax) {
- aDSmax=aDS1;
- }
- }
- // 2
- if (!aC2D2.IsNull()) {
- aC2D2->D0(aT, aP2D2);
- aP2D2.Coord(aU2, aV2);
- myHS2->D0(aU2, aV2, aP3D2);
- aDS2=aP3D.SquareDistance(aP3D2);
- if (aDS2>aDSmax) {
- aDSmax=aDS2;
- }
- }
- // 3
- GeomAPI_ProjectPointOnSurf& aPPS1=aCtx.ProjPS(myFace1);
- aPPS1.Perform(aP3D);
- bIsDone=aPPS1.IsDone();
- if (bIsDone) {
- aPPS1.LowerDistanceParameters(aU1, aV1);
- myHS1->D0(aU1, aV1, aP3D1);
- aDS1=aP3D.SquareDistance(aP3D1);
- if (aDS1>aDSmax) {
- aDSmax=aDS1;
- }
- }
- // 4
- GeomAPI_ProjectPointOnSurf& aPPS2=aCtx.ProjPS(myFace2);
- aPPS2.Perform(aP3D);
- bIsDone=aPPS2.IsDone();
- if (bIsDone) {
- aPPS2.LowerDistanceParameters(aU2, aV2);
- myHS2->D0(aU2, aV2, aP3D2);
- aDS2=aP3D.SquareDistance(aP3D2);
- if (aDS2>aDSmax) {
- aDSmax=aDS2;
- }
- }
- }//for (j=0; j<aNbP; ++j) {
- }//for (i=1; i<=aNbLin; ++i) {
- //
- aDS=myTolReached3d*myTolReached3d;
- if (aDSmax > aDS) {
- myTolReached3d=sqrt(aDSmax);
}
- }//if((aType1==GeomAbs_SurfaceOfRevolution ...
+ }// if (aType1==GeomAbs_Cylinder && aType2==GeomAbs_Cylinder) {
+ //
+
+ Standard_Real aDMax = ComputeTolerance();
+ if (aDMax > myTolReached3d)
+ {
+ myTolReached3d = aDMax;
+ }
+ myTolReal = myTolReached3d;
}
+
//=======================================================================
//function : MakeCurve
//purpose :
//=======================================================================
- void IntTools_FaceFace::MakeCurve(const Standard_Integer Index,
- const Handle(Adaptor3d_TopolTool)& dom1,
- const Handle(Adaptor3d_TopolTool)& dom2)
+void IntTools_FaceFace::MakeCurve(const Standard_Integer Index,
+ const Handle(Adaptor3d_TopolTool)& dom1,
+ const Handle(Adaptor3d_TopolTool)& dom2,
+ const Standard_Real theToler)
{
Standard_Boolean bDone, rejectSurface, reApprox, bAvoidLineConstructor;
- Standard_Boolean ok;
+ Standard_Boolean ok, bPCurvesOk;
Standard_Integer i, j, aNbParts;
Standard_Real fprm, lprm;
Standard_Real Tolpc;
//
rejectSurface = Standard_False;
reApprox = Standard_False;
+ //
+ bPCurvesOk = Standard_True;
reapprox:;
typl = L->ArcType();
//
if(typl==IntPatch_Walking) {
- Handle(IntPatch_Line) anewL;
- //
- const Handle(IntPatch_WLine)& aWLine=
- Handle(IntPatch_WLine)::DownCast(L);
- //
- anewL = ComputePurgedWLine(aWLine);
- if(anewL.IsNull()) {
+ Handle(IntPatch_WLine) aWLine (Handle(IntPatch_WLine)::DownCast(L));
+ if(aWLine.IsNull()) {
return;
}
- L = anewL;
- //
- if(!myListOfPnts.IsEmpty()) {
- bAvoidLineConstructor = Standard_True;
- }
+ L = aWLine;
Standard_Integer nbp = aWLine->NbPnts();
const IntSurf_PntOn2S& p1 = aWLine->Point(1);
if(P1.SquareDistance(P2) < 1.e-14) {
bAvoidLineConstructor = Standard_False;
}
-
}
+
+ typl=L->ArcType();
+
+ if(typl == IntPatch_Restriction)
+ bAvoidLineConstructor = Standard_True;
+
//
// Line Constructor
if(!bAvoidLineConstructor) {
myLConstruct.Perform(L);
//
bDone=myLConstruct.IsDone();
- aNbParts=myLConstruct.NbParts();
- if (!bDone|| !aNbParts) {
+ if(!bDone)
+ {
return;
}
+
+ if(typl != IntPatch_Restriction)
+ {
+ aNbParts=myLConstruct.NbParts();
+ if (aNbParts <= 0)
+ {
+ return;
+ }
+ }
}
// Do the Curve
- typl=L->ArcType();
switch (typl) {
//########################################
// Line, Parabola, Hyperbola
case IntPatch_Hyperbola: {
if (typl == IntPatch_Lin) {
newc =
- new Geom_Line (Handle(IntPatch_GLine)::DownCast(L)->Line());
+ new Geom_Line (Handle(IntPatch_GLine)::DownCast(L)->Line());
}
else if (typl == IntPatch_Parabola) {
newc =
- new Geom_Parabola(Handle(IntPatch_GLine)::DownCast(L)->Parabola());
+ new Geom_Parabola(Handle(IntPatch_GLine)::DownCast(L)->Parabola());
}
else if (typl == IntPatch_Hyperbola) {
newc =
- new Geom_Hyperbola (Handle(IntPatch_GLine)::DownCast(L)->Hyperbola());
+ new Geom_Hyperbola (Handle(IntPatch_GLine)::DownCast(L)->Hyperbola());
}
//
// myTolReached3d
if (typl == IntPatch_Lin) {
- TolR3d (myFace1, myFace2, myTolReached3d);
+ TolR3d (myTolF1, myTolF2, myTolReached3d);
}
//
aNbParts=myLConstruct.NbParts();
for (i=1; i<=aNbParts; i++) {
+ Standard_Boolean bFNIt, bLPIt;
+ //
myLConstruct.Part(i, fprm, lprm);
-
- if (!Precision::IsNegativeInfinite(fprm) &&
- !Precision::IsPositiveInfinite(lprm)) {
- //
- IntTools_Curve aCurve;
- //
- Handle(Geom_TrimmedCurve) aCT3D=new Geom_TrimmedCurve(newc, fprm, lprm);
- aCurve.SetCurve(aCT3D);
- if (typl == IntPatch_Parabola) {
- Standard_Real aTolF1, aTolF2, aTolBase;
-
- aTolF1 = BRep_Tool::Tolerance(myFace1);
- aTolF2 = BRep_Tool::Tolerance(myFace2);
- aTolBase=aTolF1+aTolF2;
- myTolReached3d=IntTools_Tools::CurveTolerance(aCT3D, aTolBase);
- }
- //
- aCurve.SetCurve(new Geom_TrimmedCurve(newc, fprm, lprm));
- if(myApprox1) {
- Handle (Geom2d_Curve) C2d;
- BuildPCurves(fprm, lprm, Tolpc, myHS1->ChangeSurface().Surface(), newc, C2d);
- if(Tolpc>myTolReached2d || myTolReached2d==0.) {
- myTolReached2d=Tolpc;
- }
- //
- aCurve.SetFirstCurve2d(new Geom2d_TrimmedCurve(C2d,fprm,lprm));
- }
- else {
- Handle(Geom2d_BSplineCurve) H1;
- //
- aCurve.SetFirstCurve2d(H1);
- }
-
- if(myApprox2) {
- Handle (Geom2d_Curve) C2d;
- BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d);
- if(Tolpc>myTolReached2d || myTolReached2d==0.) {
- myTolReached2d=Tolpc;
- }
- //
- aCurve.SetSecondCurve2d(new Geom2d_TrimmedCurve(C2d,fprm,lprm));
- }
- else {
- Handle(Geom2d_BSplineCurve) H1;
- //
- aCurve.SetSecondCurve2d(H1);
- }
- mySeqOfCurve.Append(aCurve);
- } // end of if (!Precision::IsNegativeInfinite(fprm) && !Precision::IsPositiveInfinite(lprm))
-
+ //
+ bFNIt=Precision::IsNegativeInfinite(fprm);
+ bLPIt=Precision::IsPositiveInfinite(lprm);
+ //
+ if (!bFNIt && !bLPIt) {
+ //
+ IntTools_Curve aCurve;
+ //
+ Handle(Geom_TrimmedCurve) aCT3D=new Geom_TrimmedCurve(newc, fprm, lprm);
+ aCurve.SetCurve(aCT3D);
+ if (typl == IntPatch_Parabola) {
+ myTolReached3d=IntTools_Tools::CurveTolerance(aCT3D, myTol);
+ }
+ //
+ aCurve.SetCurve(new Geom_TrimmedCurve(newc, fprm, lprm));
+ if(myApprox1) {
+ Handle (Geom2d_Curve) C2d;
+ GeomInt_IntSS::BuildPCurves(fprm, lprm, Tolpc,
+ myHS1->ChangeSurface().Surface(), newc, C2d);
+ if(Tolpc>myTolReached2d || myTolReached2d==0.) {
+ myTolReached2d=Tolpc;
+ }
+ //
+ aCurve.SetFirstCurve2d(new Geom2d_TrimmedCurve(C2d,fprm,lprm));
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) H1;
+ //
+ aCurve.SetFirstCurve2d(H1);
+ }
+ //
+ if(myApprox2) {
+ Handle (Geom2d_Curve) C2d;
+ GeomInt_IntSS::BuildPCurves(fprm, lprm, Tolpc,
+ myHS2->ChangeSurface().Surface(), newc, C2d);
+ if(Tolpc>myTolReached2d || myTolReached2d==0.) {
+ myTolReached2d=Tolpc;
+ }
+ //
+ aCurve.SetSecondCurve2d(new Geom2d_TrimmedCurve(C2d,fprm,lprm));
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) H1;
+ //
+ aCurve.SetSecondCurve2d(H1);
+ }
+ mySeqOfCurve.Append(aCurve);
+ } //if (!bFNIt && !bLPIt) {
else {
- // on regarde si on garde
- //
- Standard_Boolean bFNIt, bLPIt;
- Standard_Real aTestPrm, dT=100.;
-
- bFNIt=Precision::IsNegativeInfinite(fprm);
- bLPIt=Precision::IsPositiveInfinite(lprm);
-
- aTestPrm=0.;
-
- if (bFNIt && !bLPIt) {
- aTestPrm=lprm-dT;
- }
- else if (!bFNIt && bLPIt) {
- aTestPrm=fprm+dT;
- }
-
- gp_Pnt ptref(newc->Value(aTestPrm));
- //
-
- Standard_Real u1, v1, u2, v2, Tol;
-
- Tol = Precision::Confusion();
- Parameters(myHS1, myHS2, ptref, u1, v1, u2, v2);
- ok = (dom1->Classify(gp_Pnt2d(u1, v1), Tol) != TopAbs_OUT);
- if(ok) {
- ok = (dom2->Classify(gp_Pnt2d(u2,v2),Tol) != TopAbs_OUT);
- }
- if (ok) {
- Handle(Geom2d_BSplineCurve) H1;
- mySeqOfCurve.Append(IntTools_Curve(newc, H1, H1));
- }
+ // on regarde si on garde
+ //
+ Standard_Real aTestPrm, dT=100.;
+ //
+ aTestPrm=0.;
+ if (bFNIt && !bLPIt) {
+ aTestPrm=lprm-dT;
+ }
+ else if (!bFNIt && bLPIt) {
+ aTestPrm=fprm+dT;
+ }
+ else {
+ // i.e, if (bFNIt && bLPIt)
+ aTestPrm=IntTools_Tools::IntermediatePoint(-dT, dT);
+ }
+ //
+ gp_Pnt ptref(newc->Value(aTestPrm));
+ //
+ GeomAbs_SurfaceType typS1 = myHS1->GetType();
+ GeomAbs_SurfaceType typS2 = myHS2->GetType();
+ if( typS1 == GeomAbs_SurfaceOfExtrusion ||
+ typS1 == GeomAbs_OffsetSurface ||
+ typS1 == GeomAbs_SurfaceOfRevolution ||
+ typS2 == GeomAbs_SurfaceOfExtrusion ||
+ typS2 == GeomAbs_OffsetSurface ||
+ typS2 == GeomAbs_SurfaceOfRevolution) {
+ Handle(Geom2d_BSplineCurve) H1;
+ mySeqOfCurve.Append(IntTools_Curve(newc, H1, H1));
+ continue;
+ }
+
+ Standard_Real u1, v1, u2, v2, Tol;
+
+ Tol = Precision::Confusion();
+ Parameters(myHS1, myHS2, ptref, u1, v1, u2, v2);
+ ok = (dom1->Classify(gp_Pnt2d(u1, v1), Tol) != TopAbs_OUT);
+ if(ok) {
+ ok = (dom2->Classify(gp_Pnt2d(u2,v2),Tol) != TopAbs_OUT);
+ }
+ if (ok) {
+ Handle(Geom2d_BSplineCurve) H1;
+ mySeqOfCurve.Append(IntTools_Curve(newc, H1, H1));
+ }
}
- }// end of for (i=1; i<=myLConstruct.NbParts(); i++)
+ }// for (i=1; i<=aNbParts; i++) {
}// case IntPatch_Lin: case IntPatch_Parabola: case IntPatch_Hyperbola:
break;
if (typl == IntPatch_Circle) {
newc = new Geom_Circle
- (Handle(IntPatch_GLine)::DownCast(L)->Circle());
+ (Handle(IntPatch_GLine)::DownCast(L)->Circle());
}
else { //IntPatch_Ellipse
newc = new Geom_Ellipse
- (Handle(IntPatch_GLine)::DownCast(L)->Ellipse());
+ (Handle(IntPatch_GLine)::DownCast(L)->Ellipse());
}
//
// myTolReached3d
- TolR3d (myFace1, myFace2, myTolReached3d);
+ TolR3d (myTolF1, myTolF2, myTolReached3d);
//
aNbParts=myLConstruct.NbParts();
//
myLConstruct.Part(i, fprm, lprm);
if (fprm < aNul && lprm > aNul) {
- // interval that goes through 0. is divided on two intervals;
- while (fprm<aNul || fprm>aPeriod) fprm=fprm+aPeriod;
- while (lprm<aNul || lprm>aPeriod) lprm=lprm+aPeriod;
- //
- if((aPeriod - fprm) > Tolpc) {
- aSeqFprm.Append(fprm);
- aSeqLprm.Append(aPeriod);
- }
- else {
- gp_Pnt P1 = newc->Value(fprm);
- gp_Pnt P2 = newc->Value(aPeriod);
- Standard_Real aTolDist = BRep_Tool::Tolerance(myFace1) + BRep_Tool::Tolerance(myFace2);
- aTolDist = (myTolReached3d > aTolDist) ? myTolReached3d : aTolDist;
-
- if(P1.Distance(P2) > aTolDist) {
- Standard_Real anewpar = fprm;
-
- if(ParameterOutOfBoundary(fprm, newc, myFace1, myFace2, lprm, Standard_False, anewpar)) {
- fprm = anewpar;
- }
- aSeqFprm.Append(fprm);
- aSeqLprm.Append(aPeriod);
- }
- }
-
- //
- if((lprm - aNul) > Tolpc) {
- aSeqFprm.Append(aNul);
- aSeqLprm.Append(lprm);
- }
- else {
- gp_Pnt P1 = newc->Value(aNul);
- gp_Pnt P2 = newc->Value(lprm);
- Standard_Real aTolDist = BRep_Tool::Tolerance(myFace1) + BRep_Tool::Tolerance(myFace2);
- aTolDist = (myTolReached3d > aTolDist) ? myTolReached3d : aTolDist;
-
- if(P1.Distance(P2) > aTolDist) {
- Standard_Real anewpar = lprm;
-
- if(ParameterOutOfBoundary(lprm, newc, myFace1, myFace2, fprm, Standard_True, anewpar)) {
- lprm = anewpar;
- }
- aSeqFprm.Append(aNul);
- aSeqLprm.Append(lprm);
- }
- }
+ // interval that goes through 0. is divided on two intervals;
+ while (fprm<aNul || fprm>aPeriod) fprm=fprm+aPeriod;
+ while (lprm<aNul || lprm>aPeriod) lprm=lprm+aPeriod;
+ //
+ if((aPeriod - fprm) > Tolpc) {
+ aSeqFprm.Append(fprm);
+ aSeqLprm.Append(aPeriod);
+ }
+ else {
+ gp_Pnt P1 = newc->Value(fprm);
+ gp_Pnt P2 = newc->Value(aPeriod);
+ Standard_Real aTolDist = myTol;
+ aTolDist = (myTolReached3d > aTolDist) ? myTolReached3d : aTolDist;
+
+ if(P1.Distance(P2) > aTolDist) {
+ Standard_Real anewpar = fprm;
+
+ if(ParameterOutOfBoundary(fprm, newc, myFace1, myFace2,
+ lprm, Standard_False, myTol, anewpar, myContext)) {
+ fprm = anewpar;
+ }
+ aSeqFprm.Append(fprm);
+ aSeqLprm.Append(aPeriod);
+ }
+ }
+
+ //
+ if((lprm - aNul) > Tolpc) {
+ aSeqFprm.Append(aNul);
+ aSeqLprm.Append(lprm);
+ }
+ else {
+ gp_Pnt P1 = newc->Value(aNul);
+ gp_Pnt P2 = newc->Value(lprm);
+ Standard_Real aTolDist = myTol;
+ aTolDist = (myTolReached3d > aTolDist) ? myTolReached3d : aTolDist;
+
+ if(P1.Distance(P2) > aTolDist) {
+ Standard_Real anewpar = lprm;
+
+ if(ParameterOutOfBoundary(lprm, newc, myFace1, myFace2,
+ fprm, Standard_True, myTol, anewpar, myContext)) {
+ lprm = anewpar;
+ }
+ aSeqFprm.Append(aNul);
+ aSeqLprm.Append(lprm);
+ }
+ }
}
else {
- // usual interval
- aSeqFprm.Append(fprm);
- aSeqLprm.Append(lprm);
+ // usual interval
+ aSeqFprm.Append(fprm);
+ aSeqLprm.Append(lprm);
}
}
//
Standard_Real aRealEpsilon=RealEpsilon();
if (Abs(fprm) > aRealEpsilon || Abs(lprm-2.*M_PI) > aRealEpsilon) {
- //==============================================
- ////
- IntTools_Curve aCurve;
- Handle(Geom_TrimmedCurve) aTC3D=new Geom_TrimmedCurve(newc,fprm,lprm);
- aCurve.SetCurve(aTC3D);
- fprm=aTC3D->FirstParameter();
- lprm=aTC3D->LastParameter ();
- ////
- if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) {////
- if(myApprox1) {
- Handle (Geom2d_Curve) C2d;
- BuildPCurves(fprm,lprm,Tolpc,myHS1->ChangeSurface().Surface(),newc,C2d);
- if(Tolpc>myTolReached2d || myTolReached2d==0) {
- myTolReached2d=Tolpc;
- }
- //
- aCurve.SetFirstCurve2d(C2d);
- }
- else { ////
- Handle(Geom2d_BSplineCurve) H1;
- aCurve.SetFirstCurve2d(H1);
- }
-
-
- if(myApprox2) {
- Handle (Geom2d_Curve) C2d;
- BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d);
- if(Tolpc>myTolReached2d || myTolReached2d==0) {
- myTolReached2d=Tolpc;
- }
- //
- aCurve.SetSecondCurve2d(C2d);
- }
- else {
- Handle(Geom2d_BSplineCurve) H1;
- aCurve.SetSecondCurve2d(H1);
- }
- }
-
- else {
- Handle(Geom2d_BSplineCurve) H1;
- aCurve.SetFirstCurve2d(H1);
- aCurve.SetSecondCurve2d(H1);
- }
- mySeqOfCurve.Append(aCurve);
- //==============================================
+ //==============================================
+ ////
+ IntTools_Curve aCurve;
+ Handle(Geom_TrimmedCurve) aTC3D=new Geom_TrimmedCurve(newc,fprm,lprm);
+ aCurve.SetCurve(aTC3D);
+ fprm=aTC3D->FirstParameter();
+ lprm=aTC3D->LastParameter ();
+ ////
+ if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) {////
+ if(myApprox1) {
+ Handle (Geom2d_Curve) C2d;
+ GeomInt_IntSS::BuildPCurves(fprm, lprm, Tolpc,
+ myHS1->ChangeSurface().Surface(), newc, C2d);
+ if(Tolpc>myTolReached2d || myTolReached2d==0) {
+ myTolReached2d=Tolpc;
+ }
+ //
+ aCurve.SetFirstCurve2d(C2d);
+ }
+ else { ////
+ Handle(Geom2d_BSplineCurve) H1;
+ aCurve.SetFirstCurve2d(H1);
+ }
+
+
+ if(myApprox2) {
+ Handle (Geom2d_Curve) C2d;
+ GeomInt_IntSS::BuildPCurves(fprm,lprm,Tolpc,
+ myHS2->ChangeSurface().Surface(),newc,C2d);
+ if(Tolpc>myTolReached2d || myTolReached2d==0) {
+ myTolReached2d=Tolpc;
+ }
+ //
+ aCurve.SetSecondCurve2d(C2d);
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) H1;
+ aCurve.SetSecondCurve2d(H1);
+ }
+ }
+
+ else {
+ Handle(Geom2d_BSplineCurve) H1;
+ aCurve.SetFirstCurve2d(H1);
+ aCurve.SetSecondCurve2d(H1);
+ }
+ mySeqOfCurve.Append(aCurve);
+ //==============================================
} //if (Abs(fprm) > RealEpsilon() || Abs(lprm-2.*M_PI) > RealEpsilon())
else {
- // on regarde si on garde
- //
- if (aNbParts==1) {
-// if (Abs(fprm) < RealEpsilon() && Abs(lprm-2.*M_PI) < RealEpsilon()) {
- if (Abs(fprm) <= aRealEpsilon && Abs(lprm-2.*M_PI) <= aRealEpsilon) {
- IntTools_Curve aCurve;
- Handle(Geom_TrimmedCurve) aTC3D=new Geom_TrimmedCurve(newc,fprm,lprm);
- aCurve.SetCurve(aTC3D);
- fprm=aTC3D->FirstParameter();
- lprm=aTC3D->LastParameter ();
-
- if(myApprox1) {
- Handle (Geom2d_Curve) C2d;
- BuildPCurves(fprm,lprm,Tolpc,myHS1->ChangeSurface().Surface(),newc,C2d);
- if(Tolpc>myTolReached2d || myTolReached2d==0) {
- myTolReached2d=Tolpc;
- }
- //
- aCurve.SetFirstCurve2d(C2d);
- }
- else { ////
- Handle(Geom2d_BSplineCurve) H1;
- aCurve.SetFirstCurve2d(H1);
- }
-
- if(myApprox2) {
- Handle (Geom2d_Curve) C2d;
- BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d);
- if(Tolpc>myTolReached2d || myTolReached2d==0) {
- myTolReached2d=Tolpc;
- }
- //
- aCurve.SetSecondCurve2d(C2d);
- }
- else {
- Handle(Geom2d_BSplineCurve) H1;
- aCurve.SetSecondCurve2d(H1);
- }
- mySeqOfCurve.Append(aCurve);
- break;
- }
- }
- //
- Standard_Real aTwoPIdiv17, u1, v1, u2, v2, Tol;
-
- aTwoPIdiv17=2.*M_PI/17.;
-
- for (j=0; j<=17; j++) {
- gp_Pnt ptref (newc->Value (j*aTwoPIdiv17));
- Tol = Precision::Confusion();
-
- Parameters(myHS1, myHS2, ptref, u1, v1, u2, v2);
- ok = (dom1->Classify(gp_Pnt2d(u1,v1),Tol) != TopAbs_OUT);
- if(ok) {
- ok = (dom2->Classify(gp_Pnt2d(u2,v2),Tol) != TopAbs_OUT);
- }
- if (ok) {
- IntTools_Curve aCurve;
- aCurve.SetCurve(newc);
- //==============================================
- if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) {
-
- if(myApprox1) {
- Handle (Geom2d_Curve) C2d;
- BuildPCurves(fprm, lprm, Tolpc, myHS1->ChangeSurface().Surface(), newc, C2d);
- if(Tolpc>myTolReached2d || myTolReached2d==0) {
- myTolReached2d=Tolpc;
- }
- //
- aCurve.SetFirstCurve2d(C2d);
- }
- else {
- Handle(Geom2d_BSplineCurve) H1;
- aCurve.SetFirstCurve2d(H1);
- }
-
- if(myApprox2) {
- Handle (Geom2d_Curve) C2d;
- BuildPCurves(fprm, lprm, Tolpc,myHS2->ChangeSurface().Surface(), newc, C2d);
- if(Tolpc>myTolReached2d || myTolReached2d==0) {
- myTolReached2d=Tolpc;
- }
- //
- aCurve.SetSecondCurve2d(C2d);
- }
-
- else {
- Handle(Geom2d_BSplineCurve) H1;
- aCurve.SetSecondCurve2d(H1);
- }
- }// end of if (typl == IntPatch_Circle || typl == IntPatch_Ellipse)
-
- else {
- Handle(Geom2d_BSplineCurve) H1;
- //
- aCurve.SetFirstCurve2d(H1);
- aCurve.SetSecondCurve2d(H1);
- }
- //==============================================
- //
- mySeqOfCurve.Append(aCurve);
- break;
-
- }// end of if (ok) {
- }// end of for (Standard_Integer j=0; j<=17; j++)
- }// end of else { on regarde si on garde
+ // on regarde si on garde
+ //
+ if (aNbParts==1) {
+// if (Abs(fprm) < RealEpsilon() && Abs(lprm-2.*M_PI) < RealEpsilon()) {
+ if (Abs(fprm) <= aRealEpsilon && Abs(lprm-2.*M_PI) <= aRealEpsilon) {
+ IntTools_Curve aCurve;
+ Handle(Geom_TrimmedCurve) aTC3D=new Geom_TrimmedCurve(newc,fprm,lprm);
+ aCurve.SetCurve(aTC3D);
+ fprm=aTC3D->FirstParameter();
+ lprm=aTC3D->LastParameter ();
+
+ if(myApprox1) {
+ Handle (Geom2d_Curve) C2d;
+ GeomInt_IntSS::BuildPCurves(fprm,lprm,Tolpc,
+ myHS1->ChangeSurface().Surface(),newc,C2d);
+ if(Tolpc>myTolReached2d || myTolReached2d==0) {
+ myTolReached2d=Tolpc;
+ }
+ //
+ aCurve.SetFirstCurve2d(C2d);
+ }
+ else { ////
+ Handle(Geom2d_BSplineCurve) H1;
+ aCurve.SetFirstCurve2d(H1);
+ }
+
+ if(myApprox2) {
+ Handle (Geom2d_Curve) C2d;
+ GeomInt_IntSS::BuildPCurves(fprm,lprm,Tolpc,
+ myHS2->ChangeSurface().Surface(),newc,C2d);
+ if(Tolpc>myTolReached2d || myTolReached2d==0) {
+ myTolReached2d=Tolpc;
+ }
+ //
+ aCurve.SetSecondCurve2d(C2d);
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) H1;
+ aCurve.SetSecondCurve2d(H1);
+ }
+ mySeqOfCurve.Append(aCurve);
+ break;
+ }
+ }
+ //
+ Standard_Real aTwoPIdiv17, u1, v1, u2, v2, Tol;
+
+ aTwoPIdiv17=2.*M_PI/17.;
+
+ for (j=0; j<=17; j++) {
+ gp_Pnt ptref (newc->Value (j*aTwoPIdiv17));
+ Tol = Precision::Confusion();
+
+ Parameters(myHS1, myHS2, ptref, u1, v1, u2, v2);
+ ok = (dom1->Classify(gp_Pnt2d(u1,v1),Tol) != TopAbs_OUT);
+ if(ok) {
+ ok = (dom2->Classify(gp_Pnt2d(u2,v2),Tol) != TopAbs_OUT);
+ }
+ if (ok) {
+ IntTools_Curve aCurve;
+ aCurve.SetCurve(newc);
+ //==============================================
+ if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) {
+
+ if(myApprox1) {
+ Handle (Geom2d_Curve) C2d;
+ GeomInt_IntSS::BuildPCurves(fprm, lprm, Tolpc,
+ myHS1->ChangeSurface().Surface(), newc, C2d);
+ if(Tolpc>myTolReached2d || myTolReached2d==0) {
+ myTolReached2d=Tolpc;
+ }
+ //
+ aCurve.SetFirstCurve2d(C2d);
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) H1;
+ aCurve.SetFirstCurve2d(H1);
+ }
+
+ if(myApprox2) {
+ Handle (Geom2d_Curve) C2d;
+ GeomInt_IntSS::BuildPCurves(fprm, lprm, Tolpc,
+ myHS2->ChangeSurface().Surface(), newc, C2d);
+ if(Tolpc>myTolReached2d || myTolReached2d==0) {
+ myTolReached2d=Tolpc;
+ }
+ //
+ aCurve.SetSecondCurve2d(C2d);
+ }
+
+ else {
+ Handle(Geom2d_BSplineCurve) H1;
+ aCurve.SetSecondCurve2d(H1);
+ }
+ }// end of if (typl == IntPatch_Circle || typl == IntPatch_Ellipse)
+
+ else {
+ Handle(Geom2d_BSplineCurve) H1;
+ //
+ aCurve.SetFirstCurve2d(H1);
+ aCurve.SetSecondCurve2d(H1);
+ }
+ //==============================================
+ //
+ mySeqOfCurve.Append(aCurve);
+ break;
+
+ }// end of if (ok) {
+ }// end of for (Standard_Integer j=0; j<=17; j++)
+ }// end of else { on regarde si on garde
}// for (i=1; i<=myLConstruct.NbParts(); i++)
}// IntPatch_Circle: IntPatch_Ellipse:
break;
- case IntPatch_Analytic: {
- IntSurf_Quadric quad1,quad2;
- GeomAbs_SurfaceType typs = myHS1->Surface().GetType();
-
- switch (typs) {
- case GeomAbs_Plane:
- quad1.SetValue(myHS1->Surface().Plane());
- break;
- case GeomAbs_Cylinder:
- quad1.SetValue(myHS1->Surface().Cylinder());
- break;
- case GeomAbs_Cone:
- quad1.SetValue(myHS1->Surface().Cone());
- break;
- case GeomAbs_Sphere:
- quad1.SetValue(myHS1->Surface().Sphere());
- break;
- default:
- Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve 1");
- }
-
- typs = myHS2->Surface().GetType();
-
- switch (typs) {
- case GeomAbs_Plane:
- quad2.SetValue(myHS2->Surface().Plane());
- break;
- case GeomAbs_Cylinder:
- quad2.SetValue(myHS2->Surface().Cylinder());
- break;
- case GeomAbs_Cone:
- quad2.SetValue(myHS2->Surface().Cone());
- break;
- case GeomAbs_Sphere:
- quad2.SetValue(myHS2->Surface().Sphere());
- break;
- default:
- Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve 2");
- }
- //
- //=========
- IntPatch_ALineToWLine convert (quad1, quad2);
-
- if (!myApprox) {
- aNbParts=myLConstruct.NbParts();
- for (i=1; i<=aNbParts; i++) {
- myLConstruct.Part(i, fprm, lprm);
- Handle(IntPatch_WLine) WL =
- convert.MakeWLine(Handle(IntPatch_ALine)::DownCast(L), fprm, lprm);
- //
- Handle(Geom2d_BSplineCurve) H1;
- Handle(Geom2d_BSplineCurve) H2;
-
- if(myApprox1) {
- H1 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True);
- }
-
- if(myApprox2) {
- H2 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False);
- }
- //
- mySeqOfCurve.Append(IntTools_Curve(MakeBSpline(WL,1,WL->NbPnts()), H1, H2));
- }
- } // if (!myApprox)
-
- else { // myApprox=TRUE
- GeomInt_WLApprox theapp3d;
- //
- Standard_Real tol2d = myTolApprox;
- //
- theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_True);
-
- aNbParts=myLConstruct.NbParts();
- for (i=1; i<=aNbParts; i++) {
- myLConstruct.Part(i, fprm, lprm);
- Handle(IntPatch_WLine) WL =
- convert.MakeWLine(Handle(IntPatch_ALine):: DownCast(L),fprm,lprm);
-
- theapp3d.Perform(myHS1,myHS2,WL,Standard_True,myApprox1,myApprox2, 1, WL->NbPnts());
-
- if (!theapp3d.IsDone()) {
- //
- Handle(Geom2d_BSplineCurve) H1;
- Handle(Geom2d_BSplineCurve) H2;
-
- if(myApprox1) {
- H1 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True);
- }
-
- if(myApprox2) {
- H2 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False);
- }
- //
- mySeqOfCurve.Append(IntTools_Curve(MakeBSpline(WL,1,WL->NbPnts()), H1, H2));
- }
-
- else {
- if(myApprox1 || myApprox2) {
- if( theapp3d.TolReached2d()>myTolReached2d || myTolReached2d==0) {
- myTolReached2d = theapp3d.TolReached2d();
- }
- }
-
- if( theapp3d.TolReached3d()>myTolReached3d || myTolReached3d==0) {
- myTolReached3d = theapp3d.TolReached3d();
- }
-
- Standard_Integer aNbMultiCurves, nbpoles;
- aNbMultiCurves=theapp3d.NbMultiCurves();
- for (j=1; j<=aNbMultiCurves; j++) {
- const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j);
- nbpoles = mbspc.NbPoles();
-
- TColgp_Array1OfPnt tpoles(1, nbpoles);
- mbspc.Curve(1, tpoles);
- Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
-
- GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK);
- Check.FixTangent(Standard_True,Standard_True);
- //
- IntTools_Curve aCurve;
- aCurve.SetCurve(BS);
-
- if(myApprox1) {
- TColgp_Array1OfPnt2d tpoles2d(1,nbpoles);
- mbspc.Curve(2,tpoles2d);
- Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
-
- GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK);
- newCheck.FixTangent(Standard_True,Standard_True);
- //
- aCurve.SetFirstCurve2d(BS2);
- }
- else {
- Handle(Geom2d_BSplineCurve) H1;
- aCurve.SetFirstCurve2d(H1);
- }
-
- if(myApprox2) {
- TColgp_Array1OfPnt2d tpoles2d(1, nbpoles);
- Standard_Integer TwoOrThree;
- TwoOrThree=myApprox1 ? 3 : 2;
- mbspc.Curve(TwoOrThree, tpoles2d);
- Handle(Geom2d_BSplineCurve) BS2 =new Geom2d_BSplineCurve(tpoles2d,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
-
- GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK);
- newCheck.FixTangent(Standard_True,Standard_True);
- //
- aCurve.SetSecondCurve2d(BS2);
- }
- else {
- Handle(Geom2d_BSplineCurve) H2;
- aCurve.SetSecondCurve2d(H2);
- }
- //
- mySeqOfCurve.Append(aCurve);
-
- }// for (j=1; j<=aNbMultiCurves; j++) {
- }// else from if (!theapp3d.IsDone())
- }// for (i=1; i<=aNbParts; i++) {
- }// else { // myApprox=TRUE
- }// case IntPatch_Analytic:
+ case IntPatch_Analytic:
+ //This case was processed earlier (in IntPatch_Intersection)
break;
case IntPatch_Walking:{
Handle(IntPatch_WLine) WL =
Handle(IntPatch_WLine)::DownCast(L);
+
+#ifdef INTTOOLS_FACEFACE_DEBUG
+ WL->Dump(0);
+#endif
+
//
Standard_Integer ifprm, ilprm;
//
if (!myApprox) {
aNbParts = 1;
if(!bAvoidLineConstructor){
- aNbParts=myLConstruct.NbParts();
+ aNbParts=myLConstruct.NbParts();
}
for (i=1; i<=aNbParts; ++i) {
- Handle(Geom2d_BSplineCurve) H1, H2;
- Handle(Geom_Curve) aBSp;
- //
- if(bAvoidLineConstructor) {
- ifprm = 1;
- ilprm = WL->NbPnts();
- }
- else {
- myLConstruct.Part(i, fprm, lprm);
- ifprm=(Standard_Integer)fprm;
- ilprm=(Standard_Integer)lprm;
- }
- //
- if(myApprox1) {
- H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
- }
- //
- if(myApprox2) {
- H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
- }
- //
- aBSp=MakeBSpline(WL, ifprm, ilprm);
- IntTools_Curve aIC(aBSp, H1, H2);
- mySeqOfCurve.Append(aIC);
+ Handle(Geom2d_BSplineCurve) H1, H2;
+ Handle(Geom_Curve) aBSp;
+ //
+ if(bAvoidLineConstructor) {
+ ifprm = 1;
+ ilprm = WL->NbPnts();
+ }
+ else {
+ myLConstruct.Part(i, fprm, lprm);
+ ifprm=(Standard_Integer)fprm;
+ ilprm=(Standard_Integer)lprm;
+ }
+ //
+ if(myApprox1) {
+ H1 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
+ }
+ //
+ if(myApprox2) {
+ H2 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
+ }
+ //
+ aBSp=GeomInt_IntSS::MakeBSpline(WL, ifprm, ilprm);
+ IntTools_Curve aIC(aBSp, H1, H2);
+ mySeqOfCurve.Append(aIC);
}// for (i=1; i<=aNbParts; ++i) {
}// if (!myApprox) {
//
else { // X
Standard_Boolean bIsDecomposited;
Standard_Integer nbiter, aNbSeqOfL;
- Standard_Real tol2d;
+ Standard_Real tol2d, aTolApproxImp;
IntPatch_SequenceOfLine aSeqOfL;
GeomInt_WLApprox theapp3d;
Approx_ParametrizationType aParType = Approx_ChordLength;
//
Standard_Boolean anApprox1 = myApprox1;
Standard_Boolean anApprox2 = myApprox2;
-
+ //
+ aTolApproxImp=1.e-5;
tol2d = myTolApprox;
GeomAbs_SurfaceType typs1, typs2;
Standard_Boolean anWithPC = Standard_True;
if(typs1 == GeomAbs_Cylinder && typs2 == GeomAbs_Sphere) {
- anWithPC =
- ApproxWithPCurves(myHS1->Surface().Cylinder(), myHS2->Surface().Sphere());
+ anWithPC =
+ ApproxWithPCurves(myHS1->Surface().Cylinder(), myHS2->Surface().Sphere());
}
else if (typs1 == GeomAbs_Sphere && typs2 == GeomAbs_Cylinder) {
- anWithPC =
- ApproxWithPCurves(myHS2->Surface().Cylinder(), myHS1->Surface().Sphere());
+ anWithPC =
+ ApproxWithPCurves(myHS2->Surface().Cylinder(), myHS1->Surface().Sphere());
}
+ //
if(!anWithPC) {
- //aParType = Approx_Centripetal;
- myTolApprox = 1.e-5;
- anApprox1 = Standard_False;
- anApprox2 = Standard_False;
- //
- tol2d = myTolApprox;
+ myTolApprox = aTolApproxImp;//1.e-5;
+ anApprox1 = Standard_False;
+ anApprox2 = Standard_False;
+ //
+ tol2d = myTolApprox;
}
-
+
if(myHS1 == myHS2) {
- //
- theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType);
- rejectSurface = Standard_True;
+ theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, 30, Standard_False, aParType);
+ rejectSurface = Standard_True;
}
else {
- if(reApprox && !rejectSurface)
- theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType);
- else {
- Standard_Integer iDegMax, iDegMin;
- //
- ApproxParameters(myHS1, myHS2, iDegMin, iDegMax);
- theapp3d.SetParameters(myTolApprox, tol2d, iDegMin, iDegMax, 0, Standard_True, aParType);
- }
+ if(reApprox && !rejectSurface)
+ theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, 30, Standard_False, aParType);
+ else {
+ Standard_Integer iDegMax, iDegMin, iNbIter;
+ //
+ ApproxParameters(myHS1, myHS2, iDegMin, iDegMax, iNbIter);
+ theapp3d.SetParameters(myTolApprox, tol2d, iDegMin, iDegMax,
+ iNbIter, 30, Standard_True, aParType);
+ }
}
//
Standard_Real aReachedTol = Precision::Confusion();
- bIsDecomposited=DecompositionOfWLine(WL,
- myHS1,
- myHS2,
- myFace1,
- myFace2,
- myLConstruct,
- bAvoidLineConstructor,
- aSeqOfL,
- aReachedTol);
- if ( bIsDecomposited && ( myTolReached3d < aReachedTol ) )
- myTolReached3d = aReachedTol;
-
+ bIsDecomposited = IntTools_WLineTool::
+ DecompositionOfWLine(WL,
+ myHS1,
+ myHS2,
+ myFace1,
+ myFace2,
+ myLConstruct,
+ bAvoidLineConstructor,
+ myTol,
+ aSeqOfL,
+ aReachedTol,
+ myContext);
+ if ( bIsDecomposited && ( myTolReached3d < aReachedTol ) ) {
+ myTolReached3d = aReachedTol;
+ }
//
aNbSeqOfL=aSeqOfL.Length();
//
if (bIsDecomposited) {
- nbiter=aNbSeqOfL;
+ nbiter=aNbSeqOfL;
}
else {
- nbiter=1;
- aNbParts=1;
- if (!bAvoidLineConstructor) {
- aNbParts=myLConstruct.NbParts();
- nbiter=aNbParts;
- }
+ nbiter=1;
+ aNbParts=1;
+ if (!bAvoidLineConstructor) {
+ aNbParts=myLConstruct.NbParts();
+ nbiter=aNbParts;
+ }
}
//
- // nbiter=(bIsDecomposited) ? aSeqOfL.Length() :
- // ((bAvoidLineConstructor) ? 1 :aNbParts);
- //
for(i = 1; i <= nbiter; ++i) {
- if(bIsDecomposited) {
- WL = Handle(IntPatch_WLine)::DownCast(aSeqOfL.Value(i));
- ifprm = 1;
- ilprm = WL->NbPnts();
- }
- else {
- if(bAvoidLineConstructor) {
- ifprm = 1;
- ilprm = WL->NbPnts();
- }
- else {
- myLConstruct.Part(i, fprm, lprm);
- ifprm = (Standard_Integer)fprm;
- ilprm = (Standard_Integer)lprm;
- }
- }
- //-- lbr :
- //-- Si une des surfaces est un plan , on approxime en 2d
- //-- sur cette surface et on remonte les points 2d en 3d.
- if(typs1 == GeomAbs_Plane) {
- theapp3d.Perform(myHS1, myHS2, WL, Standard_False,Standard_True, myApprox2,ifprm,ilprm);
- }
- else if(typs2 == GeomAbs_Plane) {
- theapp3d.Perform(myHS1,myHS2,WL,Standard_False,myApprox1,Standard_True,ifprm,ilprm);
- }
- else {
- //
- if (myHS1 != myHS2){
- if ((typs1==GeomAbs_BezierSurface || typs1==GeomAbs_BSplineSurface) &&
- (typs2==GeomAbs_BezierSurface || typs2==GeomAbs_BSplineSurface)) {
-
- theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_True, aParType);
-
- Standard_Boolean bUseSurfaces;
- bUseSurfaces=NotUseSurfacesForApprox(myFace1, myFace2, WL, ifprm, ilprm);
- if (bUseSurfaces) {
- // ######
- rejectSurface = Standard_True;
- // ######
- theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType);
- }
- }
- }
- //
- theapp3d.Perform(myHS1,myHS2,WL,Standard_True,anApprox1,anApprox2,ifprm,ilprm);
- }
-
- if (!theapp3d.IsDone()) {
- //
- Handle(Geom2d_BSplineCurve) H1;
- //
- Handle(Geom_Curve) aBSp=MakeBSpline(WL,ifprm, ilprm);
- Handle(Geom2d_BSplineCurve) H2;
-
- if(myApprox1) {
- H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
- }
-
- if(myApprox2) {
- H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
- }
- //
- IntTools_Curve aIC(aBSp, H1, H2);
- mySeqOfCurve.Append(aIC);
- }
-
- else {
- if(myApprox1 || myApprox2 || (typs1==GeomAbs_Plane || typs2==GeomAbs_Plane)) {
- if( theapp3d.TolReached2d()>myTolReached2d || myTolReached2d==0.) {
- myTolReached2d = theapp3d.TolReached2d();
- }
- }
- if(typs1==GeomAbs_Plane || typs2==GeomAbs_Plane) {
- myTolReached3d = myTolReached2d;
- //
- if (typs1==GeomAbs_Torus || typs2==GeomAbs_Torus) {
- if (myTolReached3d<1.e-6) {
- myTolReached3d = theapp3d.TolReached3d();
- myTolReached3d=1.e-6;
- }
- }
- //
- }
- else if( theapp3d.TolReached3d()>myTolReached3d || myTolReached3d==0.) {
- myTolReached3d = theapp3d.TolReached3d();
- }
-
- Standard_Integer aNbMultiCurves, nbpoles;
- aNbMultiCurves=theapp3d.NbMultiCurves();
- for (j=1; j<=aNbMultiCurves; j++) {
- if(typs1 == GeomAbs_Plane) {
- const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j);
- nbpoles = mbspc.NbPoles();
-
- TColgp_Array1OfPnt2d tpoles2d(1,nbpoles);
- TColgp_Array1OfPnt tpoles(1,nbpoles);
-
- mbspc.Curve(1,tpoles2d);
- const gp_Pln& Pln = myHS1->Surface().Plane();
- //
- Standard_Integer ik;
- for(ik = 1; ik<= nbpoles; ik++) {
- tpoles.SetValue(ik,
- ElSLib::Value(tpoles2d.Value(ik).X(),
- tpoles2d.Value(ik).Y(),
- Pln));
- }
- //
- Handle(Geom_BSplineCurve) BS =
- new Geom_BSplineCurve(tpoles,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
- GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK);
- Check.FixTangent(Standard_True, Standard_True);
- //
- IntTools_Curve aCurve;
- aCurve.SetCurve(BS);
-
- if(myApprox1) {
- Handle(Geom2d_BSplineCurve) BS1 =
- new Geom2d_BSplineCurve(tpoles2d,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
- GeomLib_Check2dBSplineCurve Check1(BS1,TOLCHECK,TOLANGCHECK);
- Check1.FixTangent(Standard_True,Standard_True);
- //
- // ############################################
- if(!rejectSurface && !reApprox) {
- Standard_Boolean isValid = IsCurveValid(BS1);
- if(!isValid) {
- reApprox = Standard_True;
- goto reapprox;
- }
- }
- // ############################################
- aCurve.SetFirstCurve2d(BS1);
- }
- else {
- Handle(Geom2d_BSplineCurve) H1;
- aCurve.SetFirstCurve2d(H1);
- }
-
- if(myApprox2) {
- mbspc.Curve(2, tpoles2d);
-
- Handle(Geom2d_BSplineCurve) BS2 = new Geom2d_BSplineCurve(tpoles2d,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
- GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK);
- newCheck.FixTangent(Standard_True,Standard_True);
-
- // ###########################################
- if(!rejectSurface && !reApprox) {
- Standard_Boolean isValid = IsCurveValid(BS2);
- if(!isValid) {
- reApprox = Standard_True;
- goto reapprox;
- }
- }
- // ###########################################
- //
- aCurve.SetSecondCurve2d(BS2);
- }
- else {
- Handle(Geom2d_BSplineCurve) H2;
- //
- aCurve.SetSecondCurve2d(H2);
- }
- //
- mySeqOfCurve.Append(aCurve);
- }
-
- else if(typs2 == GeomAbs_Plane) {
- const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j);
- nbpoles = mbspc.NbPoles();
-
- TColgp_Array1OfPnt2d tpoles2d(1,nbpoles);
- TColgp_Array1OfPnt tpoles(1,nbpoles);
- mbspc.Curve((myApprox1==Standard_True)? 2 : 1,tpoles2d);
- const gp_Pln& Pln = myHS2->Surface().Plane();
- //
- Standard_Integer ik;
- for(ik = 1; ik<= nbpoles; ik++) {
- tpoles.SetValue(ik,
- ElSLib::Value(tpoles2d.Value(ik).X(),
- tpoles2d.Value(ik).Y(),
- Pln));
-
- }
- //
- Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
- GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK);
- Check.FixTangent(Standard_True,Standard_True);
- //
- IntTools_Curve aCurve;
- aCurve.SetCurve(BS);
-
- if(myApprox2) {
- Handle(Geom2d_BSplineCurve) BS1=new Geom2d_BSplineCurve(tpoles2d,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
- GeomLib_Check2dBSplineCurve Check1(BS1,TOLCHECK,TOLANGCHECK);
- Check1.FixTangent(Standard_True,Standard_True);
- //
- // ###########################################
- if(!rejectSurface && !reApprox) {
- Standard_Boolean isValid = IsCurveValid(BS1);
- if(!isValid) {
- reApprox = Standard_True;
- goto reapprox;
- }
- }
- // ###########################################
- aCurve.SetSecondCurve2d(BS1);
- }
- else {
- Handle(Geom2d_BSplineCurve) H2;
- aCurve.SetSecondCurve2d(H2);
- }
-
- if(myApprox1) {
- mbspc.Curve(1,tpoles2d);
- Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
- GeomLib_Check2dBSplineCurve Check2(BS2,TOLCHECK,TOLANGCHECK);
- Check2.FixTangent(Standard_True,Standard_True);
- //
- // ###########################################
- if(!rejectSurface && !reApprox) {
- Standard_Boolean isValid = IsCurveValid(BS2);
- if(!isValid) {
- reApprox = Standard_True;
- goto reapprox;
- }
- }
- // ###########################################
- aCurve.SetFirstCurve2d(BS2);
- }
- else {
- Handle(Geom2d_BSplineCurve) H1;
- //
- aCurve.SetFirstCurve2d(H1);
- }
- //
- mySeqOfCurve.Append(aCurve);
- }
- else {
- const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j);
- nbpoles = mbspc.NbPoles();
- TColgp_Array1OfPnt tpoles(1,nbpoles);
- mbspc.Curve(1,tpoles);
- Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
- GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK);
- Check.FixTangent(Standard_True,Standard_True);
- //
- IntTools_Curve aCurve;
- aCurve.SetCurve(BS);
-
- if(myApprox1) {
- if(anApprox1) {
- TColgp_Array1OfPnt2d tpoles2d(1,nbpoles);
- mbspc.Curve(2,tpoles2d);
- Handle(Geom2d_BSplineCurve) BS1=new Geom2d_BSplineCurve(tpoles2d,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
- GeomLib_Check2dBSplineCurve newCheck(BS1,TOLCHECK,TOLANGCHECK);
- newCheck.FixTangent(Standard_True,Standard_True);
- //
- aCurve.SetFirstCurve2d(BS1);
- }
- else {
- Handle(Geom2d_BSplineCurve) BS1;
- fprm = BS->FirstParameter();
- lprm = BS->LastParameter();
-
- Handle(Geom2d_Curve) C2d;
- Standard_Real aTol = myTolApprox;
- BuildPCurves(fprm, lprm, aTol, myHS1->ChangeSurface().Surface(), BS, C2d);
- BS1 = Handle(Geom2d_BSplineCurve)::DownCast(C2d);
- aCurve.SetFirstCurve2d(BS1);
- }
-
- }
- else {
- Handle(Geom2d_BSplineCurve) H1;
- //
- aCurve.SetFirstCurve2d(H1);
- }
- if(myApprox2) {
- if(anApprox2) {
- TColgp_Array1OfPnt2d tpoles2d(1,nbpoles);
- mbspc.Curve((myApprox1==Standard_True)? 3 : 2,tpoles2d);
- Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d,
- mbspc.Knots(),
- mbspc.Multiplicities(),
- mbspc.Degree());
- GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK);
- newCheck.FixTangent(Standard_True,Standard_True);
- //
- aCurve.SetSecondCurve2d(BS2);
- }
- else {
- Handle(Geom2d_BSplineCurve) BS2;
- fprm = BS->FirstParameter();
- lprm = BS->LastParameter();
-
- Handle(Geom2d_Curve) C2d;
- Standard_Real aTol = myTolApprox;
- BuildPCurves(fprm, lprm, aTol, myHS2->ChangeSurface().Surface(), BS, C2d);
- BS2 = Handle(Geom2d_BSplineCurve)::DownCast(C2d);
- aCurve.SetSecondCurve2d(BS2);
- }
-
- }
- else {
- Handle(Geom2d_BSplineCurve) H2;
- //
- aCurve.SetSecondCurve2d(H2);
- }
- //
- mySeqOfCurve.Append(aCurve);
- }
- }
- }
+ if(bIsDecomposited) {
+ WL = Handle(IntPatch_WLine)::DownCast(aSeqOfL.Value(i));
+ ifprm = 1;
+ ilprm = WL->NbPnts();
+ }
+ else {
+ if(bAvoidLineConstructor) {
+ ifprm = 1;
+ ilprm = WL->NbPnts();
+ }
+ else {
+ myLConstruct.Part(i, fprm, lprm);
+ ifprm = (Standard_Integer)fprm;
+ ilprm = (Standard_Integer)lprm;
+ }
+ }
+ //-- lbr :
+ //-- Si une des surfaces est un plan , on approxime en 2d
+ //-- sur cette surface et on remonte les points 2d en 3d.
+ if(typs1 == GeomAbs_Plane) {
+ theapp3d.Perform(myHS1, myHS2, WL, Standard_False,Standard_True, myApprox2,ifprm,ilprm);
+ }
+ else if(typs2 == GeomAbs_Plane) {
+ theapp3d.Perform(myHS1,myHS2,WL,Standard_False,myApprox1,Standard_True,ifprm,ilprm);
+ }
+ else {
+ //
+ if (myHS1 != myHS2){
+ if ((typs1==GeomAbs_BezierSurface || typs1==GeomAbs_BSplineSurface) &&
+ (typs2==GeomAbs_BezierSurface || typs2==GeomAbs_BSplineSurface)) {
+
+ theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, 30,
+ Standard_True, aParType);
+
+ Standard_Boolean bUseSurfaces;
+ bUseSurfaces = IntTools_WLineTool::NotUseSurfacesForApprox(myFace1, myFace2, WL, ifprm, ilprm);
+ if (bUseSurfaces) {
+ // ######
+ rejectSurface = Standard_True;
+ // ######
+ theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, 30,
+ Standard_False, aParType);
+ }
+ }
+ }
+ //
+ theapp3d.Perform(myHS1,myHS2,WL,Standard_True,anApprox1,anApprox2,ifprm,ilprm);
+ }
+ //
+ if (!theapp3d.IsDone()) {
+ Handle(Geom2d_BSplineCurve) H1;
+ Handle(Geom2d_BSplineCurve) H2;
+ //
+ Handle(Geom_Curve) aBSp=GeomInt_IntSS::MakeBSpline(WL,ifprm, ilprm);
+ //
+ if(myApprox1) {
+ H1 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
+ }
+ //
+ if(myApprox2) {
+ H2 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
+ }
+ //
+ IntTools_Curve aIC(aBSp, H1, H2);
+ mySeqOfCurve.Append(aIC);
+ }
+
+ else {
+ if(myApprox1 || myApprox2 || (typs1==GeomAbs_Plane || typs2==GeomAbs_Plane)) {
+ if( theapp3d.TolReached2d()>myTolReached2d || myTolReached2d==0.) {
+ myTolReached2d = theapp3d.TolReached2d();
+ }
+ }
+ if(typs1==GeomAbs_Plane || typs2==GeomAbs_Plane) {
+ myTolReached3d = myTolReached2d;
+ //
+ if (typs1==GeomAbs_Torus || typs2==GeomAbs_Torus) {
+ if (myTolReached3d<1.e-6) {
+ myTolReached3d = theapp3d.TolReached3d();
+ myTolReached3d=1.e-6;
+ }
+ }
+ }
+ else if( theapp3d.TolReached3d()>myTolReached3d || myTolReached3d==0.) {
+ myTolReached3d = theapp3d.TolReached3d();
+ }
+
+ Standard_Integer aNbMultiCurves, nbpoles;
+ aNbMultiCurves=theapp3d.NbMultiCurves();
+ for (j=1; j<=aNbMultiCurves; j++) {
+ if(typs1 == GeomAbs_Plane) {
+ const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j);
+ nbpoles = mbspc.NbPoles();
+
+ TColgp_Array1OfPnt2d tpoles2d(1,nbpoles);
+ TColgp_Array1OfPnt tpoles(1,nbpoles);
+
+ mbspc.Curve(1,tpoles2d);
+ const gp_Pln& Pln = myHS1->Surface().Plane();
+ //
+ Standard_Integer ik;
+ for(ik = 1; ik<= nbpoles; ik++) {
+ tpoles.SetValue(ik,
+ ElSLib::Value(tpoles2d.Value(ik).X(),
+ tpoles2d.Value(ik).Y(),
+ Pln));
+ }
+ //
+ Handle(Geom_BSplineCurve) BS =
+ new Geom_BSplineCurve(tpoles,
+ mbspc.Knots(),
+ mbspc.Multiplicities(),
+ mbspc.Degree());
+ GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK);
+ Check.FixTangent(Standard_True, Standard_True);
+ //
+ IntTools_Curve aCurve;
+ aCurve.SetCurve(BS);
+
+ if(myApprox1) {
+ Handle(Geom2d_BSplineCurve) BS1 =
+ new Geom2d_BSplineCurve(tpoles2d,
+ mbspc.Knots(),
+ mbspc.Multiplicities(),
+ mbspc.Degree());
+ GeomLib_Check2dBSplineCurve Check1(BS1,TOLCHECK,TOLANGCHECK);
+ Check1.FixTangent(Standard_True,Standard_True);
+ //
+ // ############################################
+ if(!rejectSurface && !reApprox) {
+ Standard_Boolean isValid = IsCurveValid(BS1);
+ if(!isValid) {
+ reApprox = Standard_True;
+ goto reapprox;
+ }
+ }
+ // ############################################
+ aCurve.SetFirstCurve2d(BS1);
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) H1;
+ aCurve.SetFirstCurve2d(H1);
+ }
+
+ if(myApprox2) {
+ mbspc.Curve(2, tpoles2d);
+
+ Handle(Geom2d_BSplineCurve) BS2 = new Geom2d_BSplineCurve(tpoles2d,
+ mbspc.Knots(),
+ mbspc.Multiplicities(),
+ mbspc.Degree());
+ GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK);
+ newCheck.FixTangent(Standard_True,Standard_True);
+
+ // ###########################################
+ if(!rejectSurface && !reApprox) {
+ Standard_Boolean isValid = IsCurveValid(BS2);
+ if(!isValid) {
+ reApprox = Standard_True;
+ goto reapprox;
+ }
+ }
+ // ###########################################
+ //
+ aCurve.SetSecondCurve2d(BS2);
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) H2;
+ //
+ aCurve.SetSecondCurve2d(H2);
+ }
+ //
+ mySeqOfCurve.Append(aCurve);
+
+ }//if(typs1 == GeomAbs_Plane) {
+
+ else if(typs2 == GeomAbs_Plane)
+ {
+ const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j);
+ nbpoles = mbspc.NbPoles();
+
+ TColgp_Array1OfPnt2d tpoles2d(1,nbpoles);
+ TColgp_Array1OfPnt tpoles(1,nbpoles);
+ mbspc.Curve((myApprox1==Standard_True)? 2 : 1,tpoles2d);
+ const gp_Pln& Pln = myHS2->Surface().Plane();
+ //
+ Standard_Integer ik;
+ for(ik = 1; ik<= nbpoles; ik++) {
+ tpoles.SetValue(ik,
+ ElSLib::Value(tpoles2d.Value(ik).X(),
+ tpoles2d.Value(ik).Y(),
+ Pln));
+
+ }
+ //
+ Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles,
+ mbspc.Knots(),
+ mbspc.Multiplicities(),
+ mbspc.Degree());
+ GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK);
+ Check.FixTangent(Standard_True,Standard_True);
+ //
+ IntTools_Curve aCurve;
+ aCurve.SetCurve(BS);
+
+ if(myApprox2) {
+ Handle(Geom2d_BSplineCurve) BS1=new Geom2d_BSplineCurve(tpoles2d,
+ mbspc.Knots(),
+ mbspc.Multiplicities(),
+ mbspc.Degree());
+ GeomLib_Check2dBSplineCurve Check1(BS1,TOLCHECK,TOLANGCHECK);
+ Check1.FixTangent(Standard_True,Standard_True);
+ //
+ // ###########################################
+ if(!rejectSurface && !reApprox) {
+ Standard_Boolean isValid = IsCurveValid(BS1);
+ if(!isValid) {
+ reApprox = Standard_True;
+ goto reapprox;
+ }
+ }
+ // ###########################################
+ bPCurvesOk = CheckPCurve(BS1, myFace2, myContext);
+ aCurve.SetSecondCurve2d(BS1);
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) H2;
+ aCurve.SetSecondCurve2d(H2);
+ }
+
+ if(myApprox1) {
+ mbspc.Curve(1,tpoles2d);
+ Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d,
+ mbspc.Knots(),
+ mbspc.Multiplicities(),
+ mbspc.Degree());
+ GeomLib_Check2dBSplineCurve Check2(BS2,TOLCHECK,TOLANGCHECK);
+ Check2.FixTangent(Standard_True,Standard_True);
+ //
+ // ###########################################
+ if(!rejectSurface && !reApprox) {
+ Standard_Boolean isValid = IsCurveValid(BS2);
+ if(!isValid) {
+ reApprox = Standard_True;
+ goto reapprox;
+ }
+ }
+ // ###########################################
+ bPCurvesOk = bPCurvesOk && CheckPCurve(BS2, myFace1, myContext);
+ aCurve.SetFirstCurve2d(BS2);
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) H1;
+ //
+ aCurve.SetFirstCurve2d(H1);
+ }
+ //
+ //if points of the pcurves are out of the faces bounds
+ //create 3d and 2d curves without approximation
+ if (!bPCurvesOk) {
+ Handle(Geom2d_BSplineCurve) H1, H2;
+ bPCurvesOk = Standard_True;
+ //
+ Handle(Geom_Curve) aBSp=GeomInt_IntSS::MakeBSpline(WL,ifprm, ilprm);
+
+ if(myApprox1) {
+ H1 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
+ bPCurvesOk = CheckPCurve(H1, myFace1, myContext);
+ }
+
+ if(myApprox2) {
+ H2 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
+ bPCurvesOk = bPCurvesOk && CheckPCurve(H2, myFace2, myContext);
+ }
+ //
+ //if pcurves created without approximation are out of the
+ //faces bounds, use approximated 3d and 2d curves
+ if (bPCurvesOk) {
+ IntTools_Curve aIC(aBSp, H1, H2);
+ mySeqOfCurve.Append(aIC);
+ } else {
+ mySeqOfCurve.Append(aCurve);
+ }
+ } else {
+ mySeqOfCurve.Append(aCurve);
+ }
+
+ }// else if(typs2 == GeomAbs_Plane)
+ //
+ else { //typs2 != GeomAbs_Plane && typs1 != GeomAbs_Plane
+ Standard_Boolean bIsValid1, bIsValid2;
+ Handle(Geom_BSplineCurve) BS;
+ Handle(Geom2d_BSplineCurve) aH2D;
+ IntTools_Curve aCurve;
+ //
+ bIsValid1=Standard_True;
+ bIsValid2=Standard_True;
+ //
+ const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j);
+ nbpoles = mbspc.NbPoles();
+ TColgp_Array1OfPnt tpoles(1,nbpoles);
+ mbspc.Curve(1,tpoles);
+ BS=new Geom_BSplineCurve(tpoles,
+ mbspc.Knots(),
+ mbspc.Multiplicities(),
+ mbspc.Degree());
+ GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK);
+ Check.FixTangent(Standard_True,Standard_True);
+ //
+ aCurve.SetCurve(BS);
+ aCurve.SetFirstCurve2d(aH2D);
+ aCurve.SetSecondCurve2d(aH2D);
+ //
+ if(myApprox1) {
+ if(anApprox1) {
+ Handle(Geom2d_BSplineCurve) BS1;
+ TColgp_Array1OfPnt2d tpoles2d(1,nbpoles);
+ mbspc.Curve(2,tpoles2d);
+ //
+ BS1=new Geom2d_BSplineCurve(tpoles2d,
+ mbspc.Knots(),
+ mbspc.Multiplicities(),
+ mbspc.Degree());
+ GeomLib_Check2dBSplineCurve newCheck(BS1,TOLCHECK,TOLANGCHECK);
+ newCheck.FixTangent(Standard_True,Standard_True);
+ //
+ if (!reApprox) {
+ bIsValid1=CheckPCurve(BS1, myFace1, myContext);
+ }
+ //
+ aCurve.SetFirstCurve2d(BS1);
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) BS1;
+ fprm = BS->FirstParameter();
+ lprm = BS->LastParameter();
+
+ Handle(Geom2d_Curve) C2d;
+ Standard_Real aTol = myTolApprox;
+ GeomInt_IntSS::BuildPCurves(fprm, lprm, aTol,
+ myHS1->ChangeSurface().Surface(), BS, C2d);
+ BS1 = Handle(Geom2d_BSplineCurve)::DownCast(C2d);
+ aCurve.SetFirstCurve2d(BS1);
+ }
+ } // if(myApprox1) {
+ //
+ if(myApprox2) {
+ if(anApprox2) {
+ Handle(Geom2d_BSplineCurve) BS2;
+ TColgp_Array1OfPnt2d tpoles2d(1,nbpoles);
+ mbspc.Curve((myApprox1==Standard_True)? 3 : 2,tpoles2d);
+ BS2=new Geom2d_BSplineCurve(tpoles2d,
+ mbspc.Knots(),
+ mbspc.Multiplicities(),
+ mbspc.Degree());
+ GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK);
+ newCheck.FixTangent(Standard_True,Standard_True);
+ //
+ if (!reApprox) {
+ bIsValid2=CheckPCurve(BS2, myFace2, myContext);
+ }
+ aCurve.SetSecondCurve2d(BS2);
+ }
+ else {
+ Handle(Geom2d_BSplineCurve) BS2;
+ fprm = BS->FirstParameter();
+ lprm = BS->LastParameter();
+
+ Handle(Geom2d_Curve) C2d;
+ Standard_Real aTol = myTolApprox;
+ GeomInt_IntSS::BuildPCurves(fprm, lprm, aTol,
+ myHS2->ChangeSurface().Surface(), BS, C2d);
+ BS2 = Handle(Geom2d_BSplineCurve)::DownCast(C2d);
+ aCurve.SetSecondCurve2d(BS2);
+ }
+ } //if(myApprox2) {
+ if (!bIsValid1 || !bIsValid2) {
+ myTolApprox=aTolApproxImp;//1.e-5;
+ tol2d = myTolApprox;
+ reApprox = Standard_True;
+ goto reapprox;
+ }
+ //
+ mySeqOfCurve.Append(aCurve);
+ }
+ }
+ }
}
}// else { // X
}// case IntPatch_Walking:{
break;
case IntPatch_Restriction:
- break;
-
- }
-}
-
-//=======================================================================
-//function : BuildPCurves
-//purpose :
-//=======================================================================
- void BuildPCurves (Standard_Real f,
- Standard_Real l,
- Standard_Real& Tol,
- const Handle (Geom_Surface)& S,
- const Handle (Geom_Curve)& C,
- Handle (Geom2d_Curve)& C2d)
-{
-
- Standard_Real umin,umax,vmin,vmax;
- //
-
- if (C2d.IsNull()) {
-
- // in class ProjLib_Function the range of parameters is shrank by 1.e-09
- if((l - f) > 2.e-09) {
- C2d = GeomProjLib::Curve2d(C,f,l,S,Tol);
- //
- if (C2d.IsNull()) {
- // proj. a circle that goes through the pole on a sphere to the sphere
- Tol=Tol+1.e-7;
- C2d = GeomProjLib::Curve2d(C,f,l,S,Tol);
- }
- }
- else {
- if((l - f) > Epsilon(Abs(f))) {
- GeomAPI_ProjectPointOnSurf aProjector1, aProjector2;
- gp_Pnt P1 = C->Value(f);
- gp_Pnt P2 = C->Value(l);
- aProjector1.Init(P1, S);
- aProjector2.Init(P2, S);
-
- if(aProjector1.IsDone() && aProjector2.IsDone()) {
- Standard_Real U=0., V=0.;
- aProjector1.LowerDistanceParameters(U, V);
- gp_Pnt2d p1(U, V);
-
- aProjector2.LowerDistanceParameters(U, V);
- gp_Pnt2d p2(U, V);
-
- if(p1.Distance(p2) > gp::Resolution()) {
- TColgp_Array1OfPnt2d poles(1,2);
- TColStd_Array1OfReal knots(1,2);
- TColStd_Array1OfInteger mults(1,2);
- poles(1) = p1;
- poles(2) = p2;
- knots(1) = f;
- knots(2) = l;
- mults(1) = mults(2) = 2;
-
- C2d = new Geom2d_BSplineCurve(poles,knots,mults,1);
-
- // compute reached tolerance.begin
- gp_Pnt PMid = C->Value((f + l) * 0.5);
- aProjector1.Perform(PMid);
-
- if(aProjector1.IsDone()) {
- aProjector1.LowerDistanceParameters(U, V);
- gp_Pnt2d pmidproj(U, V);
- gp_Pnt2d pmidcurve2d = C2d->Value((f + l) * 0.5);
- Standard_Real adist = pmidcurve2d.Distance(pmidproj);
- Tol = (adist > Tol) ? adist : Tol;
- }
- // compute reached tolerance.end
- }
- }
+ {
+ Handle(IntPatch_RLine) RL =
+ Handle(IntPatch_RLine)::DownCast(L);
+
+#ifdef INTTOOLS_FACEFACE_DEBUG
+ RL->Dump(0);
+#endif
+
+ Handle(Geom_Curve) aC3d;
+ Handle(Geom2d_Curve) aC2d1, aC2d2;
+ Standard_Real aTolReached;
+ GeomInt_IntSS::TreatRLine(RL, myHS1, myHS2, aC3d,
+ aC2d1, aC2d2, aTolReached);
+
+ if(aC3d.IsNull())
+ break;
+
+ Bnd_Box2d aBox1, aBox2;
+
+ const Standard_Real aU1f = myHS1->FirstUParameter(),
+ aV1f = myHS1->FirstVParameter(),
+ aU1l = myHS1->LastUParameter(),
+ aV1l = myHS1->LastVParameter();
+ const Standard_Real aU2f = myHS2->FirstUParameter(),
+ aV2f = myHS2->FirstVParameter(),
+ aU2l = myHS2->LastUParameter(),
+ aV2l = myHS2->LastVParameter();
+
+ aBox1.Add(gp_Pnt2d(aU1f, aV1f));
+ aBox1.Add(gp_Pnt2d(aU1l, aV1l));
+ aBox2.Add(gp_Pnt2d(aU2f, aV2f));
+ aBox2.Add(gp_Pnt2d(aU2l, aV2l));
+
+ GeomInt_VectorOfReal anArrayOfParameters;
+
+ //We consider here that the intersection line is same-parameter-line
+ anArrayOfParameters.Append(aC3d->FirstParameter());
+ anArrayOfParameters.Append(aC3d->LastParameter());
+
+ GeomInt_IntSS::
+ TrimILineOnSurfBoundaries(aC2d1, aC2d2, aBox1, aBox2, anArrayOfParameters);
+
+ //Intersect with true boundaries. After that, enlarge bounding-boxes in order to
+ //correct definition, if point on curve is inscribed in the box.
+ aBox1.Enlarge(theToler);
+ aBox2.Enlarge(theToler);
+
+ const Standard_Integer aNbIntersSolutionsm1 = anArrayOfParameters.Length() - 1;
+
+ //Trim RLine found.
+ for(Standard_Integer anInd = 0; anInd < aNbIntersSolutionsm1; anInd++)
+ {
+ Standard_Real &aParF = anArrayOfParameters(anInd),
+ &aParL = anArrayOfParameters(anInd+1);
+
+ if((aParL - aParF) <= Precision::PConfusion())
+ {
+ //In order to more precise extending to the boundaries of source curves.
+ if(anInd < aNbIntersSolutionsm1-1)
+ aParL = aParF;
+
+ continue;
+ }
+
+ const Standard_Real aPar = 0.5*(aParF + aParL);
+ gp_Pnt2d aPt;
+
+ Handle(Geom2d_Curve) aCurv2d1, aCurv2d2;
+ if(!aC2d1.IsNull())
+ {
+ aC2d1->D0(aPar, aPt);
+
+ if(aBox1.IsOut(aPt))
+ continue;
+
+ if(myApprox1)
+ aCurv2d1 = new Geom2d_TrimmedCurve(aC2d1, aParF, aParL);
+ }
+
+ if(!aC2d2.IsNull())
+ {
+ aC2d2->D0(aPar, aPt);
+
+ if(aBox2.IsOut(aPt))
+ continue;
+
+ if(myApprox2)
+ aCurv2d2 = new Geom2d_TrimmedCurve(aC2d2, aParF, aParL);
+ }
+
+ Handle(Geom_Curve) aCurv3d = new Geom_TrimmedCurve(aC3d, aParF, aParL);
+
+ IntTools_Curve aIC(aCurv3d, aCurv2d1, aCurv2d2);
+ mySeqOfCurve.Append(aIC);
}
}
- //
- S->Bounds(umin, umax, vmin, vmax);
+ break;
+ default:
+ break;
- if (S->IsUPeriodic() && !C2d.IsNull()) {
- // Recadre dans le domaine UV de la face
- Standard_Real period, U0, du, aEps;
-
- du =0.0;
- aEps=Precision::PConfusion();
- period = S->UPeriod();
- gp_Pnt2d Pf = C2d->Value(f);
- U0=Pf.X();
- //
- gp_Pnt2d Pl = C2d->Value(l);
-
- U0 = Min(Pl.X(), U0);
-// while(U0-umin<aEps) {
- while(U0-umin<-aEps) {
- U0+=period;
- du+=period;
- }
- //
- while(U0-umax>aEps) {
- U0-=period;
- du-=period;
- }
- if (du != 0) {
- gp_Vec2d T1(du,0.);
- C2d->Translate(T1);
- }
- }
- }
- if (C2d.IsNull()) {
- BOPTColStd_Dump::PrintMessage("BuildPCurves()=> Echec ProjLib\n");
}
}
//purpose :
//=======================================================================
void Parameters(const Handle(GeomAdaptor_HSurface)& HS1,
- const Handle(GeomAdaptor_HSurface)& HS2,
- const gp_Pnt& Ptref,
- Standard_Real& U1,
- Standard_Real& V1,
- Standard_Real& U2,
- Standard_Real& V2)
+ const Handle(GeomAdaptor_HSurface)& HS2,
+ const gp_Pnt& Ptref,
+ Standard_Real& U1,
+ Standard_Real& V1,
+ Standard_Real& U2,
+ Standard_Real& V2)
{
IntSurf_Quadric quad1,quad2;
case GeomAbs_Sphere:
quad1.SetValue(HS1->Surface().Sphere());
break;
+ case GeomAbs_Torus:
+ quad1.SetValue(HS1->Surface().Torus());
+ break;
default:
Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve");
}
case GeomAbs_Sphere:
quad2.SetValue(HS2->Surface().Sphere());
break;
+ case GeomAbs_Torus:
+ quad2.SetValue(HS2->Surface().Torus());
+ break;
default:
Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve");
}
//purpose :
//=======================================================================
Handle(Geom_Curve) MakeBSpline (const Handle(IntPatch_WLine)& WL,
- const Standard_Integer ideb,
- const Standard_Integer ifin)
+ const Standard_Integer ideb,
+ const Standard_Integer ifin)
{
Standard_Integer i,nbpnt = ifin-ideb+1;
TColgp_Array1OfPnt poles(1,nbpnt);
return
new Geom_BSplineCurve(poles,knots,mults,1);
}
-//
-
-//=======================================================================
-//function : MakeBSpline2d
-//purpose :
-//=======================================================================
-Handle(Geom2d_BSplineCurve) MakeBSpline2d(const Handle(IntPatch_WLine)& theWLine,
- const Standard_Integer ideb,
- const Standard_Integer ifin,
- const Standard_Boolean onFirst)
-{
- Standard_Integer i, nbpnt = ifin-ideb+1;
- TColgp_Array1OfPnt2d poles(1,nbpnt);
- TColStd_Array1OfReal knots(1,nbpnt);
- TColStd_Array1OfInteger mults(1,nbpnt);
- Standard_Integer ipidebm1;
-
- for(i = 1, ipidebm1 = i+ideb-1; i <= nbpnt; ipidebm1++, i++) {
- Standard_Real U, V;
- if(onFirst)
- theWLine->Point(ipidebm1).ParametersOnS1(U, V);
- else
- theWLine->Point(ipidebm1).ParametersOnS2(U, V);
- poles(i).SetCoord(U, V);
- mults(i) = 1;
- knots(i) = i-1;
- }
- mults(1) = mults(nbpnt) = 2;
- return new Geom2d_BSplineCurve(poles,knots,mults,1);
-}
//=======================================================================
//function : PrepareLines3D
//purpose :
IntTools_SequenceOfCurves aSeqCvs;
//
aNbC=IntTools_Tools::SplitCurve(aIC, aSeqCvs);
- if (aNbC) {
- for (j=1; j<=aNbC; ++j) {
- const IntTools_Curve& aICNew=aSeqCvs(j);
- aNewCvs.Append(aICNew);
- }
- }
- else {
- aNewCvs.Append(aIC);
- }
- }
- else {
- aNewCvs.Append(aIC);
- }
- }
- //
- // 2. Plane\Cone intersection when we had 4 curves
- aType1=myHS1->GetType();
- aType2=myHS2->GetType();
- aNbCurves=aNewCvs.Length();
- //
- if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Cone) ||
- (aType2==GeomAbs_Plane && aType1==GeomAbs_Cone)) {
- if (aNbCurves==4) {
- GeomAbs_CurveType aCType1;
- //
- aCType1=aNewCvs(1).Type();
- if (aCType1==GeomAbs_Line) {
- IntTools_SequenceOfCurves aSeqIn, aSeqOut;
- //
- for (i=1; i<=aNbCurves; ++i) {
- const IntTools_Curve& aIC=aNewCvs(i);
- aSeqIn.Append(aIC);
- }
- //
- IntTools_Tools::RejectLines(aSeqIn, aSeqOut);
- //
- aNewCvs.Clear();
- aNbCurves=aSeqOut.Length();
- for (i=1; i<=aNbCurves; ++i) {
- const IntTools_Curve& aIC=aSeqOut(i);
- aNewCvs.Append(aIC);
- }
- }
- }
- }// if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Cone)...
- //
- // 3. Fill mySeqOfCurve
- mySeqOfCurve.Clear();
- aNbCurves=aNewCvs.Length();
- for (i=1; i<=aNbCurves; ++i) {
- const IntTools_Curve& aIC=aNewCvs(i);
- mySeqOfCurve.Append(aIC);
- }
-}
-//=======================================================================
-//function : CorrectSurfaceBoundaries
-//purpose :
-//=======================================================================
- void CorrectSurfaceBoundaries(const TopoDS_Face& theFace,
- const Standard_Real theTolerance,
- Standard_Real& theumin,
- Standard_Real& theumax,
- Standard_Real& thevmin,
- Standard_Real& thevmax)
-{
- Standard_Boolean enlarge, isuperiodic, isvperiodic;
- Standard_Real uinf, usup, vinf, vsup, delta;
- GeomAbs_SurfaceType aType;
- Handle(Geom_Surface) aSurface;
- //
- aSurface = BRep_Tool::Surface(theFace);
- aSurface->Bounds(uinf, usup, vinf, vsup);
- delta = theTolerance;
- enlarge = Standard_False;
- //
- GeomAdaptor_Surface anAdaptorSurface(aSurface);
- //
- if(aSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
- Handle(Geom_Surface) aBasisSurface =
- (Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface))->BasisSurface();
-
- if(aBasisSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) ||
- aBasisSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
- return;
- }
- }
- //
- if(aSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
- Handle(Geom_Surface) aBasisSurface =
- (Handle(Geom_OffsetSurface)::DownCast(aSurface))->BasisSurface();
-
- if(aBasisSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) ||
- aBasisSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
- return;
- }
- }
- //
- isuperiodic = anAdaptorSurface.IsUPeriodic();
- isvperiodic = anAdaptorSurface.IsVPeriodic();
- //
- aType=anAdaptorSurface.GetType();
- if((aType==GeomAbs_BezierSurface) ||
- (aType==GeomAbs_BSplineSurface) ||
- (aType==GeomAbs_SurfaceOfExtrusion) ||
- (aType==GeomAbs_SurfaceOfRevolution)) {
- enlarge=Standard_True;
- }
- //
- if(!isuperiodic && enlarge) {
-
- if((theumin - uinf) > delta )
- theumin -= delta;
- else {
- theumin = uinf;
- }
-
- if((usup - theumax) > delta )
- theumax += delta;
- else
- theumax = usup;
- }
- //
- if(!isvperiodic && enlarge) {
- if((thevmin - vinf) > delta ) {
- thevmin -= delta;
- }
- else {
- thevmin = vinf;
- }
- if((vsup - thevmax) > delta ) {
- thevmax += delta;
- }
- else {
- thevmax = vsup;
- }
- }
- //
- {
- Standard_Integer aNbP;
- Standard_Real aXP, dXfact, aXmid, aX1, aX2, aTolPA;
- //
- aTolPA=Precision::Angular();
- // U
- if (isuperiodic) {
- aXP=anAdaptorSurface.UPeriod();
- dXfact=theumax-theumin;
- if (dXfact-aTolPA>aXP) {
- aXmid=0.5*(theumax+theumin);
- aNbP=RealToInt(aXmid/aXP);
- if (aXmid<0.) {
- aNbP=aNbP-1;
- }
- aX1=aNbP*aXP;
- if (theumin>aTolPA) {
- aX1=theumin+aNbP*aXP;
- }
- aX2=aX1+aXP;
- if (theumin<aX1) {
- theumin=aX1;
- }
- if (theumax>aX2) {
- theumax=aX2;
- }
- }
- }
- // V
- if (isvperiodic) {
- aXP=anAdaptorSurface.VPeriod();
- dXfact=thevmax-thevmin;
- if (dXfact-aTolPA>aXP) {
- aXmid=0.5*(thevmax+thevmin);
- aNbP=RealToInt(aXmid/aXP);
- if (aXmid<0.) {
- aNbP=aNbP-1;
- }
- aX1=aNbP*aXP;
- if (thevmin>aTolPA) {
- aX1=thevmin+aNbP*aXP;
- }
- aX2=aX1+aXP;
- if (thevmin<aX1) {
- thevmin=aX1;
- }
- if (thevmax>aX2) {
- thevmax=aX2;
- }
- }
- }
- }
- //
- if(isuperiodic || isvperiodic) {
- Standard_Boolean correct = Standard_False;
- Standard_Boolean correctU = Standard_False;
- Standard_Boolean correctV = Standard_False;
- Bnd_Box2d aBox;
- TopExp_Explorer anExp;
-
- for(anExp.Init(theFace, TopAbs_EDGE); anExp.More(); anExp.Next()) {
- if(BRep_Tool::IsClosed(TopoDS::Edge(anExp.Current()), theFace)) {
- correct = Standard_True;
- Standard_Real f, l;
- TopoDS_Edge anEdge = TopoDS::Edge(anExp.Current());
-
- for(Standard_Integer i = 0; i < 2; i++) {
- if(i==0) {
- anEdge.Orientation(TopAbs_FORWARD);
- }
- else {
- anEdge.Orientation(TopAbs_REVERSED);
- }
- Handle(Geom2d_Curve) aCurve = BRep_Tool::CurveOnSurface(anEdge, theFace, f, l);
-
- if(aCurve.IsNull()) {
- correct = Standard_False;
- break;
- }
- Handle(Geom2d_Line) aLine = Handle(Geom2d_Line)::DownCast(aCurve);
-
- if(aLine.IsNull()) {
- correct = Standard_False;
- break;
- }
- gp_Dir2d anUDir(1., 0.);
- gp_Dir2d aVDir(0., 1.);
- Standard_Real anAngularTolerance = Precision::Angular();
-
- correctU = correctU || aLine->Position().Direction().IsParallel(aVDir, anAngularTolerance);
- correctV = correctV || aLine->Position().Direction().IsParallel(anUDir, anAngularTolerance);
-
- gp_Pnt2d pp1 = aCurve->Value(f);
- aBox.Add(pp1);
- gp_Pnt2d pp2 = aCurve->Value(l);
- aBox.Add(pp2);
- }
- if(!correct)
- break;
- }
- }
-
- if(correct) {
- Standard_Real umin, vmin, umax, vmax;
- aBox.Get(umin, vmin, umax, vmax);
-
- if(isuperiodic && correctU) {
-
- if(theumin < umin)
- theumin = umin;
-
- if(theumax > umax) {
- theumax = umax;
- }
- }
- if(isvperiodic && correctV) {
-
- if(thevmin < vmin)
- thevmin = vmin;
- if(thevmax > vmax)
- thevmax = vmax;
- }
- }
- }
-}
-//
-//
-// The block is dedicated to determine whether WLine [ifprm, ilprm]
-// crosses the degenerated zone on each given surface or not.
-// If Yes -> We will not use info about surfaces during approximation
-// because inside degenerated zone of the surface the approx. alogo.
-// uses wrong values of normal, etc., and resulting curve will have
-// oscillations that we would not like to have.
-// PKV Tue Feb 12 2002
-
-
-static
- Standard_Boolean IsDegeneratedZone(const gp_Pnt2d& aP2d,
- const Handle(Geom_Surface)& aS,
- const Standard_Integer iDir);
-static
- Standard_Boolean IsPointInDegeneratedZone(const IntSurf_PntOn2S& aP2S,
- const TopoDS_Face& aF1,
- const TopoDS_Face& aF2);
-//=======================================================================
-//function : NotUseSurfacesForApprox
-//purpose :
-//=======================================================================
-Standard_Boolean NotUseSurfacesForApprox(const TopoDS_Face& aF1,
- const TopoDS_Face& aF2,
- const Handle(IntPatch_WLine)& WL,
- const Standard_Integer ifprm,
- const Standard_Integer ilprm)
-{
- Standard_Boolean bPInDZ;
-
- Handle(IntSurf_LineOn2S) aLineOn2S=WL->Curve();
-
- const IntSurf_PntOn2S& aP2Sfprm=aLineOn2S->Value(ifprm);
- bPInDZ=IsPointInDegeneratedZone(aP2Sfprm, aF1, aF2);
- if (bPInDZ) {
- return bPInDZ;
- }
-
- const IntSurf_PntOn2S& aP2Slprm=aLineOn2S->Value(ilprm);
- bPInDZ=IsPointInDegeneratedZone(aP2Slprm, aF1, aF2);
-
- return bPInDZ;
-}
-//=======================================================================
-//function : IsPointInDegeneratedZone
-//purpose :
-//=======================================================================
-Standard_Boolean IsPointInDegeneratedZone(const IntSurf_PntOn2S& aP2S,
- const TopoDS_Face& aF1,
- const TopoDS_Face& aF2)
-
-{
- Standard_Boolean bFlag=Standard_True;
- Standard_Real US11, US12, VS11, VS12, US21, US22, VS21, VS22;
- Standard_Real U1, V1, U2, V2, aDelta, aD;
- gp_Pnt2d aP2d;
-
- Handle(Geom_Surface)aS1 = BRep_Tool::Surface(aF1);
- aS1->Bounds(US11, US12, VS11, VS12);
- GeomAdaptor_Surface aGAS1(aS1);
-
- Handle(Geom_Surface)aS2 = BRep_Tool::Surface(aF2);
- aS1->Bounds(US21, US22, VS21, VS22);
- GeomAdaptor_Surface aGAS2(aS2);
- //
- //const gp_Pnt& aP=aP2S.Value();
- aP2S.Parameters(U1, V1, U2, V2);
- //
- aDelta=1.e-7;
- // Check on Surf 1
- aD=aGAS1.UResolution(aDelta);
- aP2d.SetCoord(U1, V1);
- if (fabs(U1-US11) < aD) {
- bFlag=IsDegeneratedZone(aP2d, aS1, 1);
- if (bFlag) {
- return bFlag;
- }
- }
- if (fabs(U1-US12) < aD) {
- bFlag=IsDegeneratedZone(aP2d, aS1, 1);
- if (bFlag) {
- return bFlag;
- }
- }
- aD=aGAS1.VResolution(aDelta);
- if (fabs(V1-VS11) < aDelta) {
- bFlag=IsDegeneratedZone(aP2d, aS1, 2);
- if (bFlag) {
- return bFlag;
- }
- }
- if (fabs(V1-VS12) < aDelta) {
- bFlag=IsDegeneratedZone(aP2d, aS1, 2);
- if (bFlag) {
- return bFlag;
- }
- }
- // Check on Surf 2
- aD=aGAS2.UResolution(aDelta);
- aP2d.SetCoord(U2, V2);
- if (fabs(U2-US21) < aDelta) {
- bFlag=IsDegeneratedZone(aP2d, aS2, 1);
- if (bFlag) {
- return bFlag;
- }
- }
- if (fabs(U2-US22) < aDelta) {
- bFlag=IsDegeneratedZone(aP2d, aS2, 1);
- if (bFlag) {
- return bFlag;
- }
- }
- aD=aGAS2.VResolution(aDelta);
- if (fabs(V2-VS21) < aDelta) {
- bFlag=IsDegeneratedZone(aP2d, aS2, 2);
- if (bFlag) {
- return bFlag;
- }
- }
- if (fabs(V2-VS22) < aDelta) {
- bFlag=IsDegeneratedZone(aP2d, aS2, 2);
- if (bFlag) {
- return bFlag;
- }
- }
- return !bFlag;
-}
-
-//=======================================================================
-//function : IsDegeneratedZone
-//purpose :
-//=======================================================================
-Standard_Boolean IsDegeneratedZone(const gp_Pnt2d& aP2d,
- const Handle(Geom_Surface)& aS,
- const Standard_Integer iDir)
-{
- Standard_Boolean bFlag=Standard_True;
- Standard_Real US1, US2, VS1, VS2, dY, dX, d1, d2, dD;
- Standard_Real aXm, aYm, aXb, aYb, aXe, aYe;
- aS->Bounds(US1, US2, VS1, VS2);
-
- gp_Pnt aPm, aPb, aPe;
-
- aXm=aP2d.X();
- aYm=aP2d.Y();
-
- aS->D0(aXm, aYm, aPm);
-
- dX=1.e-5;
- dY=1.e-5;
- dD=1.e-12;
-
- if (iDir==1) {
- aXb=aXm;
- aXe=aXm;
- aYb=aYm-dY;
- if (aYb < VS1) {
- aYb=VS1;
- }
- aYe=aYm+dY;
- if (aYe > VS2) {
- aYe=VS2;
- }
- aS->D0(aXb, aYb, aPb);
- aS->D0(aXe, aYe, aPe);
-
- d1=aPm.Distance(aPb);
- d2=aPm.Distance(aPe);
- if (d1 < dD && d2 < dD) {
- return bFlag;
- }
- return !bFlag;
- }
- //
- else if (iDir==2) {
- aYb=aYm;
- aYe=aYm;
- aXb=aXm-dX;
- if (aXb < US1) {
- aXb=US1;
- }
- aXe=aXm+dX;
- if (aXe > US2) {
- aXe=US2;
- }
- aS->D0(aXb, aYb, aPb);
- aS->D0(aXe, aYe, aPe);
-
- d1=aPm.Distance(aPb);
- d2=aPm.Distance(aPe);
- if (d1 < dD && d2 < dD) {
- return bFlag;
- }
- return !bFlag;
- }
- return !bFlag;
-}
-
-//=========================================================================
-// static function : ComputePurgedWLine
-// purpose : Removes equal points (leave one of equal points) from theWLine
-// and recompute vertex parameters.
-// Returns new WLine or null WLine if the number
-// of the points is less than 2.
-//=========================================================================
-Handle(IntPatch_WLine) ComputePurgedWLine(const Handle(IntPatch_WLine)& theWLine) {
-
- Standard_Integer i, k, v, nb, nbvtx;
- Handle(IntPatch_WLine) aResult;
- nbvtx = theWLine->NbVertex();
- nb = theWLine->NbPnts();
- if (nb==2) {
- const IntSurf_PntOn2S& p1 = theWLine->Point(1);
- const IntSurf_PntOn2S& p2 = theWLine->Point(2);
- if(p1.Value().IsEqual(p2.Value(), gp::Resolution())) {
- return aResult;
- }
- }
- //
- Handle(IntPatch_WLine) aLocalWLine;
- Handle(IntPatch_WLine) aTmpWLine = theWLine;
- Handle(IntSurf_LineOn2S) aLineOn2S = new IntSurf_LineOn2S();
- aLocalWLine = new IntPatch_WLine(aLineOn2S, Standard_False);
- for(i = 1; i <= nb; i++) {
- aLineOn2S->Add(theWLine->Point(i));
- }
-
- for(v = 1; v <= nbvtx; v++) {
- aLocalWLine->AddVertex(theWLine->Vertex(v));
- }
-
- for(i = 1; i <= aLineOn2S->NbPoints(); i++) {
- Standard_Integer aStartIndex = i + 1;
- Standard_Integer anEndIndex = i + 5;
- nb = aLineOn2S->NbPoints();
- anEndIndex = (anEndIndex > nb) ? nb : anEndIndex;
-
- if((aStartIndex > nb) || (anEndIndex <= 1)) {
- continue;
- }
- k = aStartIndex;
-
- while(k <= anEndIndex) {
-
- if(i != k) {
- IntSurf_PntOn2S p1 = aLineOn2S->Value(i);
- IntSurf_PntOn2S p2 = aLineOn2S->Value(k);
-
- if(p1.Value().IsEqual(p2.Value(), gp::Resolution())) {
- aTmpWLine = aLocalWLine;
- aLocalWLine = new IntPatch_WLine(aLineOn2S, Standard_False);
-
- for(v = 1; v <= aTmpWLine->NbVertex(); v++) {
- IntPatch_Point aVertex = aTmpWLine->Vertex(v);
- Standard_Integer avertexindex = (Standard_Integer)aVertex.ParameterOnLine();
-
- if(avertexindex >= k) {
- aVertex.SetParameter(aVertex.ParameterOnLine() - 1.);
- }
- aLocalWLine->AddVertex(aVertex);
- }
- aLineOn2S->RemovePoint(k);
- anEndIndex--;
- continue;
- }
- }
- k++;
- }
- }
-
- if(aLineOn2S->NbPoints() > 1) {
- aResult = aLocalWLine;
- }
- return aResult;
-}
-
-//=======================================================================
-//function : TolR3d
-//purpose :
-//=======================================================================
-void TolR3d(const TopoDS_Face& aF1,
- const TopoDS_Face& aF2,
- Standard_Real& myTolReached3d)
-{
- Standard_Real aTolF1, aTolF2, aTolFMax, aTolTresh;
-
- aTolTresh=2.999999e-3;
- aTolF1 = BRep_Tool::Tolerance(aF1);
- aTolF2 = BRep_Tool::Tolerance(aF2);
- aTolFMax=Max(aTolF1, aTolF2);
-
- if (aTolFMax>aTolTresh) {
- myTolReached3d=aTolFMax;
- }
-}
-//=======================================================================
-//function : AdjustPeriodic
-//purpose :
-//=======================================================================
-Standard_Real AdjustPeriodic(const Standard_Real theParameter,
- const Standard_Real parmin,
- const Standard_Real parmax,
- const Standard_Real thePeriod,
- Standard_Real& theOffset)
-{
- Standard_Real aresult;
- //
- theOffset = 0.;
- aresult = theParameter;
- while(aresult < parmin) {
- aresult += thePeriod;
- theOffset += thePeriod;
- }
-
- while(aresult > parmax) {
- aresult -= thePeriod;
- theOffset -= thePeriod;
- }
- return aresult;
-}
-//=======================================================================
-//function : IsPointOnBoundary
-//purpose :
-//=======================================================================
-Standard_Boolean IsPointOnBoundary(const Standard_Real theParameter,
- const Standard_Real theFirstBoundary,
- const Standard_Real theSecondBoundary,
- const Standard_Real theResolution,
- Standard_Boolean& IsOnFirstBoundary)
-{
- Standard_Boolean bRet;
- Standard_Integer i;
- Standard_Real adist;
- //
- bRet=Standard_False;
- for(i = 0; i < 2; ++i) {
- IsOnFirstBoundary = (i == 0);
- if (IsOnFirstBoundary) {
- adist = fabs(theParameter - theFirstBoundary);
- }
- else {
- adist = fabs(theParameter - theSecondBoundary);
- }
- if(adist < theResolution) {
- return !bRet;
- }
- }
- return bRet;
-}
-// ------------------------------------------------------------------------------------------------
-// static function: FindPoint
-// purpose:
-// ------------------------------------------------------------------------------------------------
-Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint,
- const gp_Pnt2d& theLastPoint,
- const Standard_Real theUmin,
- const Standard_Real theUmax,
- const Standard_Real theVmin,
- const Standard_Real theVmax,
- gp_Pnt2d& theNewPoint) {
-
- gp_Vec2d aVec(theFirstPoint, theLastPoint);
- Standard_Integer i = 0, j = 0;
-
- for(i = 0; i < 4; i++) {
- gp_Vec2d anOtherVec;
- gp_Vec2d anOtherVecNormal;
- gp_Pnt2d aprojpoint = theLastPoint;
-
- if((i % 2) == 0) {
- anOtherVec.SetX(0.);
- anOtherVec.SetY(1.);
- anOtherVecNormal.SetX(1.);
- anOtherVecNormal.SetY(0.);
-
- if(i < 2)
- aprojpoint.SetX(theUmin);
- else
- aprojpoint.SetX(theUmax);
- }
- else {
- anOtherVec.SetX(1.);
- anOtherVec.SetY(0.);
- anOtherVecNormal.SetX(0.);
- anOtherVecNormal.SetY(1.);
-
- if(i < 2)
- aprojpoint.SetY(theVmin);
- else
- aprojpoint.SetY(theVmax);
- }
- gp_Vec2d anormvec = aVec;
- anormvec.Normalize();
- //modified by NIZNHY-PKV Mon Dec 19 11:46:06 2011f
- RefineVector(anormvec);
- //modified by NIZNHY-PKV Mon Dec 19 11:46:10 2011t
- Standard_Real adot1 = anormvec.Dot(anOtherVecNormal);
-
- if(fabs(adot1) < Precision::Angular())
- continue;
- Standard_Real adist = 0.;
- Standard_Boolean bIsOut = Standard_False;
-
- if((i % 2) == 0) {
- adist = (i < 2) ? fabs(theLastPoint.X() - theUmin) : fabs(theLastPoint.X() - theUmax);
- bIsOut = (i < 2) ? (theLastPoint.X() < theUmin) : (theLastPoint.X() > theUmax);
- }
- else {
- adist = (i < 2) ? fabs(theLastPoint.Y() - theVmin) : fabs(theLastPoint.Y() - theVmax);
- bIsOut = (i < 2) ? (theLastPoint.Y() < theVmin) : (theLastPoint.Y() > theVmax);
- }
- Standard_Real anoffset = adist * anOtherVec.Dot(anormvec) / adot1;
-
- for(j = 0; j < 2; j++) {
- anoffset = (j == 0) ? anoffset : -anoffset;
- gp_Pnt2d acurpoint(aprojpoint.XY() + (anOtherVec.XY()*anoffset));
- gp_Vec2d acurvec(theLastPoint, acurpoint);
- if ( bIsOut )
- acurvec.Reverse();
-
- Standard_Real aDotX, anAngleX;
- //
- aDotX = aVec.Dot(acurvec);
- anAngleX = aVec.Angle(acurvec);
- //
- if(aDotX > 0. && fabs(anAngleX) < Precision::PConfusion()) {
- if((i % 2) == 0) {
- if((acurpoint.Y() >= theVmin) &&
- (acurpoint.Y() <= theVmax)) {
- theNewPoint = acurpoint;
- return Standard_True;
- }
- }
- else {
- if((acurpoint.X() >= theUmin) &&
- (acurpoint.X() <= theUmax)) {
- theNewPoint = acurpoint;
- return Standard_True;
- }
- }
- }
- }
- }
- return Standard_False;
-}
-
-
-// ------------------------------------------------------------------------------------------------
-// static function: FindPoint
-// purpose: Find point on the boundary of radial tangent zone
-// ------------------------------------------------------------------------------------------------
-Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint,
- const gp_Pnt2d& theLastPoint,
- const Standard_Real theUmin,
- const Standard_Real theUmax,
- const Standard_Real theVmin,
- const Standard_Real theVmax,
- const gp_Pnt2d& theTanZoneCenter,
- const Standard_Real theZoneRadius,
- Handle(GeomAdaptor_HSurface) theGASurface,
- gp_Pnt2d& theNewPoint) {
- theNewPoint = theLastPoint;
-
- if ( !IsInsideTanZone( theLastPoint, theTanZoneCenter, theZoneRadius, theGASurface) )
- return Standard_False;
-
- Standard_Real aUResolution = theGASurface->UResolution( theZoneRadius );
- Standard_Real aVResolution = theGASurface->VResolution( theZoneRadius );
-
- Standard_Real aRadius = ( aUResolution < aVResolution ) ? aUResolution : aVResolution;
- gp_Ax22d anAxis( theTanZoneCenter, gp_Dir2d(1, 0), gp_Dir2d(0, 1) );
- gp_Circ2d aCircle( anAxis, aRadius );
-
- //
- gp_Vec2d aDir( theLastPoint.XY() - theFirstPoint.XY() );
- Standard_Real aLength = aDir.Magnitude();
- if ( aLength <= gp::Resolution() )
- return Standard_False;
- gp_Lin2d aLine( theFirstPoint, aDir );
-
- //
- Handle(Geom2d_Line) aCLine = new Geom2d_Line( aLine );
- Handle(Geom2d_TrimmedCurve) aC1 = new Geom2d_TrimmedCurve( aCLine, 0, aLength );
- Handle(Geom2d_Circle) aC2 = new Geom2d_Circle( aCircle );
-
- Standard_Real aTol = aRadius * 0.001;
- aTol = ( aTol < Precision::PConfusion() ) ? Precision::PConfusion() : aTol;
-
- Geom2dAPI_InterCurveCurve anIntersector;
- anIntersector.Init( aC1, aC2, aTol );
-
- if ( anIntersector.NbPoints() == 0 )
- return Standard_False;
-
- Standard_Boolean aFound = Standard_False;
- Standard_Real aMinDist = aLength * aLength;
- Standard_Integer i = 0;
- for ( i = 1; i <= anIntersector.NbPoints(); i++ ) {
- gp_Pnt2d aPInt = anIntersector.Point( i );
- if ( aPInt.SquareDistance( theFirstPoint ) < aMinDist ) {
- if ( ( aPInt.X() >= theUmin ) && ( aPInt.X() <= theUmax ) &&
- ( aPInt.Y() >= theVmin ) && ( aPInt.Y() <= theVmax ) ) {
- theNewPoint = aPInt;
- aFound = Standard_True;
- }
- }
- }
-
- return aFound;
-}
-
-// ------------------------------------------------------------------------------------------------
-// static function: IsInsideTanZone
-// purpose: Check if point is inside a radial tangent zone
-// ------------------------------------------------------------------------------------------------
-Standard_Boolean IsInsideTanZone(const gp_Pnt2d& thePoint,
- const gp_Pnt2d& theTanZoneCenter,
- const Standard_Real theZoneRadius,
- Handle(GeomAdaptor_HSurface) theGASurface) {
-
- Standard_Real aUResolution = theGASurface->UResolution( theZoneRadius );
- Standard_Real aVResolution = theGASurface->VResolution( theZoneRadius );
- Standard_Real aRadiusSQR = ( aUResolution < aVResolution ) ? aUResolution : aVResolution;
- aRadiusSQR *= aRadiusSQR;
- if ( thePoint.SquareDistance( theTanZoneCenter ) <= aRadiusSQR )
- return Standard_True;
- return Standard_False;
-}
-
-// ------------------------------------------------------------------------------------------------
-// static function: CheckTangentZonesExist
-// purpose: Check if tangent zone exists
-// ------------------------------------------------------------------------------------------------
-Standard_Boolean CheckTangentZonesExist( const Handle(GeomAdaptor_HSurface)& theSurface1,
- const Handle(GeomAdaptor_HSurface)& theSurface2 )
-{
- if ( ( theSurface1->GetType() != GeomAbs_Torus ) ||
- ( theSurface2->GetType() != GeomAbs_Torus ) )
- return Standard_False;
-
- IntTools_Context aContext;
-
- gp_Torus aTor1 = theSurface1->Torus();
- gp_Torus aTor2 = theSurface2->Torus();
-
- if ( aTor1.Location().Distance( aTor2.Location() ) > Precision::Confusion() )
- return Standard_False;
-
- if ( ( fabs( aTor1.MajorRadius() - aTor2.MajorRadius() ) > Precision::Confusion() ) ||
- ( fabs( aTor1.MinorRadius() - aTor2.MinorRadius() ) > Precision::Confusion() ) )
- return Standard_False;
-
- if ( ( aTor1.MajorRadius() < aTor1.MinorRadius() ) ||
- ( aTor2.MajorRadius() < aTor2.MinorRadius() ) )
- return Standard_False;
- return Standard_True;
-}
-
-// ------------------------------------------------------------------------------------------------
-// static function: ComputeTangentZones
-// purpose:
-// ------------------------------------------------------------------------------------------------
-Standard_Integer ComputeTangentZones( const Handle(GeomAdaptor_HSurface)& theSurface1,
- const Handle(GeomAdaptor_HSurface)& theSurface2,
- const TopoDS_Face& theFace1,
- const TopoDS_Face& theFace2,
- Handle(TColgp_HArray1OfPnt2d)& theResultOnS1,
- Handle(TColgp_HArray1OfPnt2d)& theResultOnS2,
- Handle(TColStd_HArray1OfReal)& theResultRadius) {
- Standard_Integer aResult = 0;
- if ( !CheckTangentZonesExist( theSurface1, theSurface2 ) )
- return aResult;
-
- IntTools_Context aContext;
-
- TColgp_SequenceOfPnt2d aSeqResultS1, aSeqResultS2;
- TColStd_SequenceOfReal aSeqResultRad;
-
- gp_Torus aTor1 = theSurface1->Torus();
- gp_Torus aTor2 = theSurface2->Torus();
-
- gp_Ax2 anax1( aTor1.Location(), aTor1.Axis().Direction() );
- gp_Ax2 anax2( aTor2.Location(), aTor2.Axis().Direction() );
- Standard_Integer j = 0;
-
- for ( j = 0; j < 2; j++ ) {
- Standard_Real aCoef = ( j == 0 ) ? -1 : 1;
- Standard_Real aRadius1 = fabs(aTor1.MajorRadius() + aCoef * aTor1.MinorRadius());
- Standard_Real aRadius2 = fabs(aTor2.MajorRadius() + aCoef * aTor2.MinorRadius());
-
- gp_Circ aCircle1( anax1, aRadius1 );
- gp_Circ aCircle2( anax2, aRadius2 );
-
- // roughly compute radius of tangent zone for perpendicular case
- Standard_Real aCriteria = Precision::Confusion() * 0.5;
-
- Standard_Real aT1 = aCriteria;
- Standard_Real aT2 = aCriteria;
- if ( j == 0 ) {
- // internal tangency
- Standard_Real aR = ( aRadius1 > aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius();
- //aT1 = aCriteria * aCriteria + aR * aR - ( aR - aCriteria ) * ( aR - aCriteria );
- aT1 = 2. * aR * aCriteria;
- aT2 = aT1;
- }
- else {
- // external tangency
- Standard_Real aRb = ( aRadius1 > aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius();
- Standard_Real aRm = ( aRadius1 < aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius();
- Standard_Real aDelta = aRb - aCriteria;
- aDelta *= aDelta;
- aDelta -= aRm * aRm;
- aDelta /= 2. * (aRb - aRm);
- aDelta -= 0.5 * (aRb - aRm);
-
- aT1 = 2. * aRm * (aRm - aDelta);
- aT2 = aT1;
- }
- aCriteria = ( aT1 > aT2) ? aT1 : aT2;
- if ( aCriteria > 0 )
- aCriteria = sqrt( aCriteria );
-
- if ( aCriteria > 0.5 * aTor1.MinorRadius() ) {
- // too big zone -> drop to minimum
- aCriteria = Precision::Confusion();
- }
-
- GeomAdaptor_Curve aC1( new Geom_Circle(aCircle1) );
- GeomAdaptor_Curve aC2( new Geom_Circle(aCircle2) );
- Extrema_ExtCC anExtrema(aC1, aC2, 0, 2. * M_PI, 0, 2. * M_PI,
- Precision::PConfusion(), Precision::PConfusion());
-
- if ( anExtrema.IsDone() ) {
-
- Standard_Integer i = 0;
- for ( i = 1; i <= anExtrema.NbExt(); i++ ) {
- if ( anExtrema.SquareDistance(i) > aCriteria * aCriteria )
- continue;
-
- Extrema_POnCurv P1, P2;
- anExtrema.Points( i, P1, P2 );
-
- Standard_Boolean bFoundResult = Standard_True;
- gp_Pnt2d pr1, pr2;
-
- Standard_Integer surfit = 0;
- for ( surfit = 0; surfit < 2; surfit++ ) {
- GeomAPI_ProjectPointOnSurf& aProjector = (surfit == 0) ? aContext.ProjPS(theFace1) : aContext.ProjPS(theFace2);
-
- gp_Pnt aP3d = (surfit == 0) ? P1.Value() : P2.Value();
- aProjector.Perform(aP3d);
-
- if(!aProjector.IsDone())
- bFoundResult = Standard_False;
- else {
- if(aProjector.LowerDistance() > aCriteria) {
- bFoundResult = Standard_False;
- }
- else {
- Standard_Real foundU = 0, foundV = 0;
- aProjector.LowerDistanceParameters(foundU, foundV);
- if ( surfit == 0 )
- pr1 = gp_Pnt2d( foundU, foundV );
- else
- pr2 = gp_Pnt2d( foundU, foundV );
- }
- }
- }
- if ( bFoundResult ) {
- aSeqResultS1.Append( pr1 );
- aSeqResultS2.Append( pr2 );
- aSeqResultRad.Append( aCriteria );
-
- // torus is u and v periodic
- const Standard_Real twoPI = M_PI + M_PI;
- Standard_Real arr1tmp[2] = {pr1.X(), pr1.Y()};
- Standard_Real arr2tmp[2] = {pr2.X(), pr2.Y()};
-
- // iteration on period bounds
- for ( Standard_Integer k1 = 0; k1 < 2; k1++ ) {
- Standard_Real aBound = ( k1 == 0 ) ? 0 : twoPI;
- Standard_Real aShift = ( k1 == 0 ) ? twoPI : -twoPI;
-
- // iteration on surfaces
- for ( Standard_Integer k2 = 0; k2 < 2; k2++ ) {
- Standard_Real* arr1 = ( k2 == 0 ) ? arr1tmp : arr2tmp;
- Standard_Real* arr2 = ( k2 != 0 ) ? arr1tmp : arr2tmp;
- TColgp_SequenceOfPnt2d& aSeqS1 = ( k2 == 0 ) ? aSeqResultS1 : aSeqResultS2;
- TColgp_SequenceOfPnt2d& aSeqS2 = ( k2 != 0 ) ? aSeqResultS1 : aSeqResultS2;
-
- if (fabs(arr1[0] - aBound) < Precision::PConfusion()) {
- aSeqS1.Append( gp_Pnt2d( arr1[0] + aShift, arr1[1] ) );
- aSeqS2.Append( gp_Pnt2d( arr2[0], arr2[1] ) );
- aSeqResultRad.Append( aCriteria );
- }
- if (fabs(arr1[1] - aBound) < Precision::PConfusion()) {
- aSeqS1.Append( gp_Pnt2d( arr1[0], arr1[1] + aShift) );
- aSeqS2.Append( gp_Pnt2d( arr2[0], arr2[1] ) );
- aSeqResultRad.Append( aCriteria );
- }
- }
- } //
- }
+ if (aNbC) {
+ for (j=1; j<=aNbC; ++j) {
+ const IntTools_Curve& aICNew=aSeqCvs(j);
+ aNewCvs.Append(aICNew);
+ }
}
- }
- }
- aResult = aSeqResultRad.Length();
-
- if ( aResult > 0 ) {
- theResultOnS1 = new TColgp_HArray1OfPnt2d( 1, aResult );
- theResultOnS2 = new TColgp_HArray1OfPnt2d( 1, aResult );
- theResultRadius = new TColStd_HArray1OfReal( 1, aResult );
-
- for ( Standard_Integer i = 1 ; i <= aResult; i++ ) {
- theResultOnS1->SetValue( i, aSeqResultS1.Value(i) );
- theResultOnS2->SetValue( i, aSeqResultS2.Value(i) );
- theResultRadius->SetValue( i, aSeqResultRad.Value(i) );
- }
- }
- return aResult;
-}
-
-// ------------------------------------------------------------------------------------------------
-// static function: AdjustByNeighbour
-// purpose:
-// ------------------------------------------------------------------------------------------------
-gp_Pnt2d AdjustByNeighbour(const gp_Pnt2d& theaNeighbourPoint,
- const gp_Pnt2d& theOriginalPoint,
- Handle(GeomAdaptor_HSurface) theGASurface) {
-
- gp_Pnt2d ap1 = theaNeighbourPoint;
- gp_Pnt2d ap2 = theOriginalPoint;
-
- if ( theGASurface->IsUPeriodic() ) {
- Standard_Real aPeriod = theGASurface->UPeriod();
- gp_Pnt2d aPTest = ap2;
- Standard_Real aSqDistMin = 1.e+100;
-
- for ( Standard_Integer pIt = -1; pIt <= 1; pIt++) {
- aPTest.SetX( theOriginalPoint.X() + aPeriod * pIt );
- Standard_Real dd = ap1.SquareDistance( aPTest );
-
- if ( dd < aSqDistMin ) {
- ap2 = aPTest;
- aSqDistMin = dd;
+ else {
+ aNewCvs.Append(aIC);
}
}
- }
- if ( theGASurface->IsVPeriodic() ) {
- Standard_Real aPeriod = theGASurface->VPeriod();
- gp_Pnt2d aPTest = ap2;
- Standard_Real aSqDistMin = 1.e+100;
-
- for ( Standard_Integer pIt = -1; pIt <= 1; pIt++) {
- aPTest.SetY( theOriginalPoint.Y() + aPeriod * pIt );
- Standard_Real dd = ap1.SquareDistance( aPTest );
-
- if ( dd < aSqDistMin ) {
- ap2 = aPTest;
- aSqDistMin = dd;
- }
+ else {
+ aNewCvs.Append(aIC);
}
}
- return ap2;
-}
-
-// ------------------------------------------------------------------------------------------------
-//function: DecompositionOfWLine
-// purpose:
-// ------------------------------------------------------------------------------------------------
-Standard_Boolean DecompositionOfWLine(const Handle(IntPatch_WLine)& theWLine,
- const Handle(GeomAdaptor_HSurface)& theSurface1,
- const Handle(GeomAdaptor_HSurface)& theSurface2,
- const TopoDS_Face& theFace1,
- const TopoDS_Face& theFace2,
- const IntTools_LineConstructor& theLConstructor,
- const Standard_Boolean theAvoidLConstructor,
- IntPatch_SequenceOfLine& theNewLines,
- Standard_Real& theReachedTol3d) {
-
- Standard_Boolean bRet, bAvoidLineConstructor;
- Standard_Integer aNbPnts, aNbParts;
//
- bRet=Standard_False;
- aNbPnts=theWLine->NbPnts();
- bAvoidLineConstructor=theAvoidLConstructor;
+ // 2. Plane\Cone intersection when we had 4 curves
+ aType1=myHS1->GetType();
+ aType2=myHS2->GetType();
+ aNbCurves=aNewCvs.Length();
//
- if(!aNbPnts){
- return bRet;
- }
- if (!bAvoidLineConstructor) {
- aNbParts=theLConstructor.NbParts();
- if (!aNbParts) {
- return bRet;
+ if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Cone) ||
+ (aType2==GeomAbs_Plane && aType1==GeomAbs_Cone)) {
+ if (aNbCurves==4) {
+ GeomAbs_CurveType aCType1;
+ //
+ aCType1=aNewCvs(1).Type();
+ if (aCType1==GeomAbs_Line) {
+ IntTools_SequenceOfCurves aSeqIn, aSeqOut;
+ //
+ for (i=1; i<=aNbCurves; ++i) {
+ const IntTools_Curve& aIC=aNewCvs(i);
+ aSeqIn.Append(aIC);
+ }
+ //
+ IntTools_Tools::RejectLines(aSeqIn, aSeqOut);
+ //
+ aNewCvs.Clear();
+ aNbCurves=aSeqOut.Length();
+ for (i=1; i<=aNbCurves; ++i) {
+ const IntTools_Curve& aIC=aSeqOut(i);
+ aNewCvs.Append(aIC);
+ }
+ }
}
- }
+ }// if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Cone)...
//
- Standard_Boolean bIsPrevPointOnBoundary, bIsPointOnBoundary, bIsCurrentPointOnBoundary;
- Standard_Integer nblines, pit, i, j;
- Standard_Real aTol;
- TColStd_Array1OfListOfInteger anArrayOfLines(1, aNbPnts);
- TColStd_Array1OfInteger anArrayOfLineType(1, aNbPnts);
- TColStd_ListOfInteger aListOfPointIndex;
- IntTools_Context aContext;
-
- Handle(TColgp_HArray1OfPnt2d) aTanZoneS1;
- Handle(TColgp_HArray1OfPnt2d) aTanZoneS2;
- Handle(TColStd_HArray1OfReal) aTanZoneRadius;
- Standard_Integer aNbZone = ComputeTangentZones( theSurface1, theSurface2, theFace1, theFace2,
- aTanZoneS1, aTanZoneS2, aTanZoneRadius );
-
+ // 3. Fill mySeqOfCurve
+ mySeqOfCurve.Clear();
+ aNbCurves=aNewCvs.Length();
+ for (i=1; i<=aNbCurves; ++i) {
+ const IntTools_Curve& aIC=aNewCvs(i);
+ mySeqOfCurve.Append(aIC);
+ }
+}
+//=======================================================================
+//function : CorrectSurfaceBoundaries
+//purpose :
+//=======================================================================
+ void CorrectSurfaceBoundaries(const TopoDS_Face& theFace,
+ const Standard_Real theTolerance,
+ Standard_Real& theumin,
+ Standard_Real& theumax,
+ Standard_Real& thevmin,
+ Standard_Real& thevmax)
+{
+ Standard_Boolean enlarge, isuperiodic, isvperiodic;
+ Standard_Real uinf, usup, vinf, vsup, delta;
+ GeomAbs_SurfaceType aType;
+ Handle(Geom_Surface) aSurface;
//
- nblines=0;
- aTol=Precision::Confusion();
- aTol=0.5*aTol;
- bIsPrevPointOnBoundary=Standard_False;
- bIsPointOnBoundary=Standard_False;
+ aSurface = BRep_Tool::Surface(theFace);
+ aSurface->Bounds(uinf, usup, vinf, vsup);
+ delta = theTolerance;
+ enlarge = Standard_False;
//
- // 1. ...
+ GeomAdaptor_Surface anAdaptorSurface(aSurface);
//
- // Points
- for(pit = 1; pit <= aNbPnts; ++pit) {
- Standard_Boolean bIsOnFirstBoundary, isperiodic;
- Standard_Real aResolution, aPeriod, alowerboundary, aupperboundary, U, V;
- Standard_Real aParameter, anoffset, anAdjustPar;
- Standard_Real umin, umax, vmin, vmax;
- //
- bIsCurrentPointOnBoundary = Standard_False;
- const IntSurf_PntOn2S& aPoint = theWLine->Point(pit);
- //
- // Surface
- for(i = 0; i < 2; ++i) {
- Handle(GeomAdaptor_HSurface) aGASurface = (!i) ? theSurface1 : theSurface2;
- aGASurface->ChangeSurface().Surface()->Bounds(umin, umax, vmin, vmax);
- if(!i) {
- aPoint.ParametersOnS1(U, V);
- }
- else {
- aPoint.ParametersOnS2(U, V);
- }
- // U, V
- for(j = 0; j < 2; j++) {
- isperiodic = (!j) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic();
- if(!isperiodic){
- continue;
- }
- //
- if (!j) {
- aResolution=aGASurface->UResolution(aTol);
- aPeriod=aGASurface->UPeriod();
- alowerboundary=umin;
- aupperboundary=umax;
- aParameter=U;
- }
- else {
- aResolution=aGASurface->VResolution(aTol);
- aPeriod=aGASurface->VPeriod();
- alowerboundary=vmin;
- aupperboundary=vmax;
- aParameter=V;
- }
-
- anoffset = 0.;
- anAdjustPar = AdjustPeriodic(aParameter,
- alowerboundary,
- aupperboundary,
- aPeriod,
- anoffset);
- //
- bIsOnFirstBoundary = Standard_True;// ?
- bIsPointOnBoundary=
- IsPointOnBoundary(anAdjustPar,
- alowerboundary,
- aupperboundary,
- aResolution,
- bIsOnFirstBoundary);
- //
- if(bIsPointOnBoundary) {
- bIsCurrentPointOnBoundary = Standard_True;
- break;
- }
- else {
- // check if a point belong to a tangent zone. Begin
- Standard_Integer zIt = 0;
- for ( zIt = 1; zIt <= aNbZone; zIt++ ) {
- gp_Pnt2d aPZone = (i == 0) ? aTanZoneS1->Value(zIt) : aTanZoneS2->Value(zIt);
- Standard_Real aZoneRadius = aTanZoneRadius->Value(zIt);
-
- if ( IsInsideTanZone(gp_Pnt2d( U, V ), aPZone, aZoneRadius, aGASurface ) ) {
- // set boundary flag to split the curve by a tangent zone
- bIsPointOnBoundary = Standard_True;
- bIsCurrentPointOnBoundary = Standard_True;
- if ( theReachedTol3d < aZoneRadius ) {
- theReachedTol3d = aZoneRadius;
- }
- break;
- }
- }
- }
- }//for(j = 0; j < 2; j++) {
-
- if(bIsCurrentPointOnBoundary){
- break;
- }
- }//for(i = 0; i < 2; ++i) {
- //
- if((bIsCurrentPointOnBoundary != bIsPrevPointOnBoundary)) {
- if(!aListOfPointIndex.IsEmpty()) {
- nblines++;
- anArrayOfLines.SetValue(nblines, aListOfPointIndex);
- anArrayOfLineType.SetValue(nblines, bIsPrevPointOnBoundary);
- aListOfPointIndex.Clear();
- }
- bIsPrevPointOnBoundary = bIsCurrentPointOnBoundary;
+ if(aSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
+ Handle(Geom_Surface) aBasisSurface =
+ (Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface))->BasisSurface();
+
+ if(aBasisSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) ||
+ aBasisSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
+ return;
}
- aListOfPointIndex.Append(pit);
- } //for(pit = 1; pit <= aNbPnts; ++pit) {
- //
- if(!aListOfPointIndex.IsEmpty()) {
- nblines++;
- anArrayOfLines.SetValue(nblines, aListOfPointIndex);
- anArrayOfLineType.SetValue(nblines, bIsPrevPointOnBoundary);
- aListOfPointIndex.Clear();
}
//
- if(nblines<=1) {
- return bRet; //Standard_False;
+ if(aSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
+ Handle(Geom_Surface) aBasisSurface =
+ (Handle(Geom_OffsetSurface)::DownCast(aSurface))->BasisSurface();
+
+ if(aBasisSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) ||
+ aBasisSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
+ return;
+ }
}
//
- //
- // 2. Correct wlines.begin
- TColStd_Array1OfListOfInteger anArrayOfLineEnds(1, nblines);
- Handle(IntSurf_LineOn2S) aSeqOfPntOn2S = new IntSurf_LineOn2S();
+ isuperiodic = anAdaptorSurface.IsUPeriodic();
+ isvperiodic = anAdaptorSurface.IsVPeriodic();
//
- for(i = 1; i <= nblines; i++) {
- if(anArrayOfLineType.Value(i) != 0) {
- continue;
- }
- const TColStd_ListOfInteger& aListOfIndex = anArrayOfLines.Value(i);
- if(aListOfIndex.Extent() < 2) {
- continue;
- }
- TColStd_ListOfInteger aListOfFLIndex;
-
- for(j = 0; j < 2; j++) {
- Standard_Integer aneighbourindex = (j == 0) ? (i - 1) : (i + 1);
-
- if((aneighbourindex < 1) || (aneighbourindex > nblines))
- continue;
-
- if(anArrayOfLineType.Value(aneighbourindex) == 0)
- continue;
- const TColStd_ListOfInteger& aNeighbour = anArrayOfLines.Value(aneighbourindex);
- Standard_Integer anIndex = (j == 0) ? aNeighbour.Last() : aNeighbour.First();
- const IntSurf_PntOn2S& aPoint = theWLine->Point(anIndex);
+ aType=anAdaptorSurface.GetType();
+ if((aType==GeomAbs_BezierSurface) ||
+ (aType==GeomAbs_BSplineSurface) ||
+ (aType==GeomAbs_SurfaceOfExtrusion) ||
+ (aType==GeomAbs_SurfaceOfRevolution) ||
+ (aType==GeomAbs_Cylinder)) {
+ enlarge=Standard_True;
+ }
+ //
+ if(!isuperiodic && enlarge) {
- IntSurf_PntOn2S aNewP = aPoint;
-
- for(Standard_Integer surfit = 0; surfit < 2; surfit++) {
-
- Handle(GeomAdaptor_HSurface) aGASurface = (surfit == 0) ? theSurface1 : theSurface2;
- Standard_Real umin=0., umax=0., vmin=0., vmax=0.;
- aGASurface->ChangeSurface().Surface()->Bounds(umin, umax, vmin, vmax);
- Standard_Real U=0., V=0.;
-
- if(surfit == 0)
- aNewP.ParametersOnS1(U, V);
- else
- aNewP.ParametersOnS2(U, V);
- Standard_Integer nbboundaries = 0;
-
- Standard_Boolean bIsNearBoundary = Standard_False;
- Standard_Integer aZoneIndex = 0;
- Standard_Integer bIsUBoundary = Standard_False; // use if nbboundaries == 1
- Standard_Integer bIsFirstBoundary = Standard_False; // use if nbboundaries == 1
-
-
- for(Standard_Integer parit = 0; parit < 2; parit++) {
- Standard_Boolean isperiodic = (parit == 0) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic();
-
- Standard_Real aResolution = (parit == 0) ? aGASurface->UResolution(aTol) : aGASurface->VResolution(aTol);
- Standard_Real alowerboundary = (parit == 0) ? umin : vmin;
- Standard_Real aupperboundary = (parit == 0) ? umax : vmax;
-
- Standard_Real aParameter = (parit == 0) ? U : V;
- Standard_Boolean bIsOnFirstBoundary = Standard_True;
-
- if(!isperiodic) {
- bIsPointOnBoundary=
- IsPointOnBoundary(aParameter, alowerboundary, aupperboundary, aResolution, bIsOnFirstBoundary);
- if(bIsPointOnBoundary) {
- bIsUBoundary = (parit == 0);
- bIsFirstBoundary = bIsOnFirstBoundary;
- nbboundaries++;
- }
- }
- else {
- Standard_Real aPeriod = (parit == 0) ? aGASurface->UPeriod() : aGASurface->VPeriod();
- Standard_Real anoffset = 0.;
- Standard_Real anAdjustPar = AdjustPeriodic(aParameter, alowerboundary, aupperboundary, aPeriod, anoffset);
-
- bIsPointOnBoundary=
- IsPointOnBoundary(anAdjustPar, alowerboundary, aupperboundary, aResolution, bIsOnFirstBoundary);
- if(bIsPointOnBoundary) {
- bIsUBoundary = (parit == 0);
- bIsFirstBoundary = bIsOnFirstBoundary;
- nbboundaries++;
- }
- else {
- //check neighbourhood of boundary
- Standard_Real anEpsilon = aResolution * 100.;
- Standard_Real aPart = ( aupperboundary - alowerboundary ) * 0.1;
- anEpsilon = ( anEpsilon > aPart ) ? aPart : anEpsilon;
-
- bIsNearBoundary = IsPointOnBoundary(anAdjustPar, alowerboundary, aupperboundary,
- anEpsilon, bIsOnFirstBoundary);
-
- }
- }
- }
-
- // check if a point belong to a tangent zone. Begin
- for ( Standard_Integer zIt = 1; zIt <= aNbZone; zIt++ ) {
- gp_Pnt2d aPZone = (surfit == 0) ? aTanZoneS1->Value(zIt) : aTanZoneS2->Value(zIt);
- Standard_Real aZoneRadius = aTanZoneRadius->Value(zIt);
-
- Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last();
- const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1);
- Standard_Real nU1, nV1;
-
- if(surfit == 0)
- aNeighbourPoint.ParametersOnS1(nU1, nV1);
- else
- aNeighbourPoint.ParametersOnS2(nU1, nV1);
- gp_Pnt2d ap1(nU1, nV1);
- gp_Pnt2d ap2 = AdjustByNeighbour( ap1, gp_Pnt2d( U, V ), aGASurface );
-
-
- if ( IsInsideTanZone( ap2, aPZone, aZoneRadius, aGASurface ) ) {
- aZoneIndex = zIt;
- bIsNearBoundary = Standard_True;
- if ( theReachedTol3d < aZoneRadius ) {
- theReachedTol3d = aZoneRadius;
- }
- }
- }
- // check if a point belong to a tangent zone. End
- Standard_Boolean bComputeLineEnd = Standard_False;
-
- if(nbboundaries == 2) {
- //xf
- bComputeLineEnd = Standard_True;
- //xt
- }
- else if(nbboundaries == 1) {
- Standard_Boolean isperiodic = (bIsUBoundary) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic();
-
- if(isperiodic) {
- Standard_Real alowerboundary = (bIsUBoundary) ? umin : vmin;
- Standard_Real aupperboundary = (bIsUBoundary) ? umax : vmax;
- Standard_Real aPeriod = (bIsUBoundary) ? aGASurface->UPeriod() : aGASurface->VPeriod();
- Standard_Real aParameter = (bIsUBoundary) ? U : V;
- Standard_Real anoffset = 0.;
- Standard_Real anAdjustPar = AdjustPeriodic(aParameter, alowerboundary, aupperboundary, aPeriod, anoffset);
-
- Standard_Real adist = (bIsFirstBoundary) ? fabs(anAdjustPar - alowerboundary) : fabs(anAdjustPar - aupperboundary);
- Standard_Real anotherPar = (bIsFirstBoundary) ? (aupperboundary - adist) : (alowerboundary + adist);
- anotherPar += anoffset;
- Standard_Integer aneighbourpointindex = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last();
- const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex);
- Standard_Real nU1, nV1;
-
- if(surfit == 0)
- aNeighbourPoint.ParametersOnS1(nU1, nV1);
- else
- aNeighbourPoint.ParametersOnS2(nU1, nV1);
-
- Standard_Real adist1 = (bIsUBoundary) ? fabs(nU1 - U) : fabs(nV1 - V);
- Standard_Real adist2 = (bIsUBoundary) ? fabs(nU1 - anotherPar) : fabs(nV1 - anotherPar);
- bComputeLineEnd = Standard_True;
- Standard_Boolean bCheckAngle1 = Standard_False;
- Standard_Boolean bCheckAngle2 = Standard_False;
- gp_Vec2d aNewVec;
- Standard_Real anewU = (bIsUBoundary) ? anotherPar : U;
- Standard_Real anewV = (bIsUBoundary) ? V : anotherPar;
-
- if(((adist1 - adist2) > Precision::PConfusion()) &&
- (adist2 < (aPeriod / 4.))) {
- bCheckAngle1 = Standard_True;
- aNewVec = gp_Vec2d(gp_Pnt2d(nU1, nV1), gp_Pnt2d(anewU, anewV));
-
- if(aNewVec.SquareMagnitude() < (gp::Resolution() * gp::Resolution())) {
- aNewP.SetValue((surfit == 0), anewU, anewV);
- bCheckAngle1 = Standard_False;
- }
- }
- else if(adist1 < (aPeriod / 4.)) {
- bCheckAngle2 = Standard_True;
- aNewVec = gp_Vec2d(gp_Pnt2d(nU1, nV1), gp_Pnt2d(U, V));
-
- if(aNewVec.SquareMagnitude() < (gp::Resolution() * gp::Resolution())) {
- bCheckAngle2 = Standard_False;
- }
- }
-
- if(bCheckAngle1 || bCheckAngle2) {
- // assume there are at least two points in line (see "if" above)
- Standard_Integer anindexother = aneighbourpointindex;
-
- while((anindexother <= aListOfIndex.Last()) && (anindexother >= aListOfIndex.First())) {
- anindexother = (j == 0) ? (anindexother + 1) : (anindexother - 1);
- const IntSurf_PntOn2S& aPrevNeighbourPoint = theWLine->Point(anindexother);
- Standard_Real nU2, nV2;
-
- if(surfit == 0)
- aPrevNeighbourPoint.ParametersOnS1(nU2, nV2);
- else
- aPrevNeighbourPoint.ParametersOnS2(nU2, nV2);
- gp_Vec2d aVecOld(gp_Pnt2d(nU2, nV2), gp_Pnt2d(nU1, nV1));
-
- if(aVecOld.SquareMagnitude() <= (gp::Resolution() * gp::Resolution())) {
- continue;
- }
- else {
- Standard_Real anAngle = aNewVec.Angle(aVecOld);
-
- if((fabs(anAngle) < (M_PI * 0.25)) && (aNewVec.Dot(aVecOld) > 0.)) {
-
- if(bCheckAngle1) {
- Standard_Real U1, U2, V1, V2;
- IntSurf_PntOn2S atmppoint = aNewP;
- atmppoint.SetValue((surfit == 0), anewU, anewV);
- atmppoint.Parameters(U1, V1, U2, V2);
- gp_Pnt P1 = theSurface1->Value(U1, V1);
- gp_Pnt P2 = theSurface2->Value(U2, V2);
- gp_Pnt P0 = aPoint.Value();
-
- if(P0.IsEqual(P1, aTol) &&
- P0.IsEqual(P2, aTol) &&
- P1.IsEqual(P2, aTol)) {
- bComputeLineEnd = Standard_False;
- aNewP.SetValue((surfit == 0), anewU, anewV);
- }
- }
-
- if(bCheckAngle2) {
- bComputeLineEnd = Standard_False;
- }
- }
- break;
- }
- } // end while(anindexother...)
- }
- }
- }
- else if ( bIsNearBoundary ) {
- bComputeLineEnd = Standard_True;
- }
-
- if(bComputeLineEnd) {
-
- gp_Pnt2d anewpoint;
- Standard_Boolean found = Standard_False;
-
- if ( bIsNearBoundary ) {
- // re-compute point near natural boundary or near tangent zone
- Standard_Real u1, v1, u2, v2;
- aNewP.Parameters( u1, v1, u2, v2 );
- if(surfit == 0)
- anewpoint = gp_Pnt2d( u1, v1 );
- else
- anewpoint = gp_Pnt2d( u2, v2 );
-
- Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last();
- const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1);
- Standard_Real nU1, nV1;
-
- if(surfit == 0)
- aNeighbourPoint.ParametersOnS1(nU1, nV1);
- else
- aNeighbourPoint.ParametersOnS2(nU1, nV1);
- gp_Pnt2d ap1(nU1, nV1);
- gp_Pnt2d ap2;
-
-
- if ( aZoneIndex ) {
- // exclude point from a tangent zone
- anewpoint = AdjustByNeighbour( ap1, anewpoint, aGASurface );
- gp_Pnt2d aPZone = (surfit == 0) ? aTanZoneS1->Value(aZoneIndex) : aTanZoneS2->Value(aZoneIndex);
- Standard_Real aZoneRadius = aTanZoneRadius->Value(aZoneIndex);
-
- if ( FindPoint(ap1, anewpoint, umin, umax, vmin, vmax,
- aPZone, aZoneRadius, aGASurface, ap2) ) {
- anewpoint = ap2;
- found = Standard_True;
- }
- }
- else if ( aGASurface->IsUPeriodic() || aGASurface->IsVPeriodic() ) {
- // re-compute point near boundary if shifted on a period
- ap2 = AdjustByNeighbour( ap1, anewpoint, aGASurface );
-
- if ( ( ap2.X() < umin ) || ( ap2.X() > umax ) ||
- ( ap2.Y() < vmin ) || ( ap2.Y() > vmax ) ) {
- found = FindPoint(ap1, ap2, umin, umax, vmin, vmax, anewpoint);
- }
- else {
- anewpoint = ap2;
- aNewP.SetValue( (surfit == 0), anewpoint.X(), anewpoint.Y() );
- }
- }
- }
- else {
-
- Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last();
- const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1);
- Standard_Real nU1, nV1;
-
- if(surfit == 0)
- aNeighbourPoint.ParametersOnS1(nU1, nV1);
- else
- aNeighbourPoint.ParametersOnS2(nU1, nV1);
- gp_Pnt2d ap1(nU1, nV1);
- gp_Pnt2d ap2(nU1, nV1);
- Standard_Integer aneighbourpointindex2 = aneighbourpointindex1;
-
- while((aneighbourpointindex2 <= aListOfIndex.Last()) && (aneighbourpointindex2 >= aListOfIndex.First())) {
- aneighbourpointindex2 = (j == 0) ? (aneighbourpointindex2 + 1) : (aneighbourpointindex2 - 1);
- const IntSurf_PntOn2S& aPrevNeighbourPoint = theWLine->Point(aneighbourpointindex2);
- Standard_Real nU2, nV2;
-
- if(surfit == 0)
- aPrevNeighbourPoint.ParametersOnS1(nU2, nV2);
- else
- aPrevNeighbourPoint.ParametersOnS2(nU2, nV2);
- ap2.SetX(nU2);
- ap2.SetY(nV2);
-
- if(ap1.SquareDistance(ap2) > (gp::Resolution() * gp::Resolution())) {
- break;
- }
- }
- found = FindPoint(ap2, ap1, umin, umax, vmin, vmax, anewpoint);
- }
-
- if(found) {
- // check point
- Standard_Real aCriteria = BRep_Tool::Tolerance(theFace1) + BRep_Tool::Tolerance(theFace2);
- GeomAPI_ProjectPointOnSurf& aProjector = (surfit == 0) ? aContext.ProjPS(theFace2) : aContext.ProjPS(theFace1);
- Handle(GeomAdaptor_HSurface) aSurface = (surfit == 0) ? theSurface1 : theSurface2;
-
- Handle(GeomAdaptor_HSurface) aSurfaceOther = (surfit == 0) ? theSurface2 : theSurface1;
-
- gp_Pnt aP3d = aSurface->Value(anewpoint.X(), anewpoint.Y());
- aProjector.Perform(aP3d);
-
- if(aProjector.IsDone()) {
- if(aProjector.LowerDistance() < aCriteria) {
- Standard_Real foundU = U, foundV = V;
- aProjector.LowerDistanceParameters(foundU, foundV);
-
- //Correction of projected coordinates. Begin
- //Note, it may be shifted on a period
- Standard_Integer aneindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last();
- const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneindex1);
- Standard_Real nUn, nVn;
-
- if(surfit == 0)
- aNeighbourPoint.ParametersOnS2(nUn, nVn);
- else
- aNeighbourPoint.ParametersOnS1(nUn, nVn);
- gp_Pnt2d aNeighbour2d(nUn, nVn);
- gp_Pnt2d anAdjustedPoint = AdjustByNeighbour( aNeighbour2d, gp_Pnt2d(foundU, foundV), aSurfaceOther );
- foundU = anAdjustedPoint.X();
- foundV = anAdjustedPoint.Y();
-
- if ( ( anAdjustedPoint.X() < umin ) && ( anAdjustedPoint.X() > umax ) &&
- ( anAdjustedPoint.Y() < vmin ) && ( anAdjustedPoint.Y() > vmax ) ) {
- // attempt to roughly re-compute point
- foundU = ( foundU < umin ) ? umin : foundU;
- foundU = ( foundU > umax ) ? umax : foundU;
- foundV = ( foundV < vmin ) ? vmin : foundV;
- foundV = ( foundV > vmax ) ? vmax : foundV;
-
- GeomAPI_ProjectPointOnSurf& aProjector2 = (surfit == 0) ? aContext.ProjPS(theFace1) : aContext.ProjPS(theFace2);
-
- aP3d = aSurfaceOther->Value(foundU, foundV);
- aProjector2.Perform(aP3d);
-
- if(aProjector2.IsDone()) {
- if(aProjector2.LowerDistance() < aCriteria) {
- Standard_Real foundU2 = anewpoint.X(), foundV2 = anewpoint.Y();
- aProjector2.LowerDistanceParameters(foundU2, foundV2);
- anewpoint.SetX(foundU2);
- anewpoint.SetY(foundV2);
- }
- }
- }
- //Correction of projected coordinates. End
-
- if(surfit == 0)
- aNewP.SetValue(aP3d, anewpoint.X(), anewpoint.Y(), foundU, foundV);
- else
- aNewP.SetValue(aP3d, foundU, foundV, anewpoint.X(), anewpoint.Y());
- }
- }
- }
- }
- }
- aSeqOfPntOn2S->Add(aNewP);
- aListOfFLIndex.Append(aSeqOfPntOn2S->NbPoints());
+ if(!Precision::IsInfinite(theumin) &&
+ ((theumin - uinf) > delta))
+ theumin -= delta;
+ else {
+ theumin = uinf;
}
- anArrayOfLineEnds.SetValue(i, aListOfFLIndex);
- }
- // Correct wlines.end
- // Split wlines.begin
- Standard_Integer nbiter;
- //
- nbiter=1;
- if (!bAvoidLineConstructor) {
- nbiter=theLConstructor.NbParts();
+ if(!Precision::IsInfinite(theumax) &&
+ ((usup - theumax) > delta))
+ theumax += delta;
+ else
+ theumax = usup;
}
//
- for(j = 1; j <= nbiter; ++j) {
- Standard_Real fprm, lprm;
- Standard_Integer ifprm, ilprm;
- //
- if(bAvoidLineConstructor) {
- ifprm = 1;
- ilprm = theWLine->NbPnts();
+ if(!isvperiodic && enlarge) {
+ if(!Precision::IsInfinite(thevmin) &&
+ ((thevmin - vinf) > delta)) {
+ thevmin -= delta;
+ }
+ else {
+ thevmin = vinf;
+ }
+ if(!Precision::IsInfinite(thevmax) &&
+ ((vsup - thevmax) > delta)) {
+ thevmax += delta;
}
else {
- theLConstructor.Part(j, fprm, lprm);
- ifprm = (Standard_Integer)fprm;
- ilprm = (Standard_Integer)lprm;
+ thevmax = vsup;
}
+ }
+ //
+ if(isuperiodic || isvperiodic) {
+ Standard_Boolean correct = Standard_False;
+ Standard_Boolean correctU = Standard_False;
+ Standard_Boolean correctV = Standard_False;
+ Bnd_Box2d aBox;
+ TopExp_Explorer anExp;
- Handle(IntSurf_LineOn2S) aLineOn2S = new IntSurf_LineOn2S();
- //
- for(i = 1; i <= nblines; i++) {
- if(anArrayOfLineType.Value(i) != 0) {
- continue;
- }
- const TColStd_ListOfInteger& aListOfIndex = anArrayOfLines.Value(i);
-
- if(aListOfIndex.Extent() < 2) {
- continue;
+ for(anExp.Init(theFace, TopAbs_EDGE); anExp.More(); anExp.Next()) {
+ if(BRep_Tool::IsClosed(TopoDS::Edge(anExp.Current()), theFace)) {
+ correct = Standard_True;
+ Standard_Real f, l;
+ TopoDS_Edge anEdge = TopoDS::Edge(anExp.Current());
+
+ for(Standard_Integer i = 0; i < 2; i++) {
+ if(i==0) {
+ anEdge.Orientation(TopAbs_FORWARD);
+ }
+ else {
+ anEdge.Orientation(TopAbs_REVERSED);
+ }
+ Handle(Geom2d_Curve) aCurve = BRep_Tool::CurveOnSurface(anEdge, theFace, f, l);
+
+ if(aCurve.IsNull()) {
+ correct = Standard_False;
+ break;
+ }
+ Handle(Geom2d_Line) aLine = Handle(Geom2d_Line)::DownCast(aCurve);
+
+ if(aLine.IsNull()) {
+ correct = Standard_False;
+ break;
+ }
+ gp_Dir2d anUDir(1., 0.);
+ gp_Dir2d aVDir(0., 1.);
+ Standard_Real anAngularTolerance = Precision::Angular();
+
+ correctU = correctU || aLine->Position().Direction().IsParallel(aVDir, anAngularTolerance);
+ correctV = correctV || aLine->Position().Direction().IsParallel(anUDir, anAngularTolerance);
+
+ gp_Pnt2d pp1 = aCurve->Value(f);
+ aBox.Add(pp1);
+ gp_Pnt2d pp2 = aCurve->Value(l);
+ aBox.Add(pp2);
+ }
+ if(!correct)
+ break;
}
- const TColStd_ListOfInteger& aListOfFLIndex = anArrayOfLineEnds.Value(i);
- Standard_Boolean bhasfirstpoint = (aListOfFLIndex.Extent() == 2);
- Standard_Boolean bhaslastpoint = (aListOfFLIndex.Extent() == 2);
+ }
- if(!bhasfirstpoint && !aListOfFLIndex.IsEmpty()) {
- bhasfirstpoint = (i != 1);
- }
+ if(correct) {
+ Standard_Real umin, vmin, umax, vmax;
+ aBox.Get(umin, vmin, umax, vmax);
- if(!bhaslastpoint && !aListOfFLIndex.IsEmpty()) {
- bhaslastpoint = (i != nblines);
- }
- Standard_Boolean bIsFirstInside = ((ifprm >= aListOfIndex.First()) && (ifprm <= aListOfIndex.Last()));
- Standard_Boolean bIsLastInside = ((ilprm >= aListOfIndex.First()) && (ilprm <= aListOfIndex.Last()));
-
- if(!bIsFirstInside && !bIsLastInside) {
- if((ifprm < aListOfIndex.First()) && (ilprm > aListOfIndex.Last())) {
- // append whole line, and boundaries if neccesary
- if(bhasfirstpoint) {
- const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.First());
- aLineOn2S->Add(aP);
- }
- TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex);
-
- for(; anIt.More(); anIt.Next()) {
- const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value());
- aLineOn2S->Add(aP);
- }
-
- if(bhaslastpoint) {
- const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.Last());
- aLineOn2S->Add(aP);
- }
-
- // check end of split line (end is almost always)
- Standard_Integer aneighbour = i + 1;
- Standard_Boolean bIsEndOfLine = Standard_True;
-
- if(aneighbour <= nblines) {
- const TColStd_ListOfInteger& aListOfNeighbourIndex = anArrayOfLines.Value(aneighbour);
-
- if((anArrayOfLineType.Value(aneighbour) != 0) &&
- (aListOfNeighbourIndex.IsEmpty())) {
- bIsEndOfLine = Standard_False;
- }
- }
-
- if(bIsEndOfLine) {
- if(aLineOn2S->NbPoints() > 1) {
- Handle(IntPatch_WLine) aNewWLine =
- new IntPatch_WLine(aLineOn2S, Standard_False);
- theNewLines.Append(aNewWLine);
- }
- aLineOn2S = new IntSurf_LineOn2S();
- }
- }
- continue;
- }
- // end if(!bIsFirstInside && !bIsLastInside)
-
- if(bIsFirstInside && bIsLastInside) {
- // append inside points between ifprm and ilprm
- TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex);
-
- for(; anIt.More(); anIt.Next()) {
- if((anIt.Value() < ifprm) || (anIt.Value() > ilprm))
- continue;
- const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value());
- aLineOn2S->Add(aP);
- }
+ if(isuperiodic && correctU) {
+ if(theumin < umin)
+ theumin = umin;
+ if(theumax > umax) {
+ theumax = umax;
+ }
}
- else {
-
- if(bIsFirstInside) {
- // append points from ifprm to last point + boundary point
- TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex);
-
- for(; anIt.More(); anIt.Next()) {
- if(anIt.Value() < ifprm)
- continue;
- const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value());
- aLineOn2S->Add(aP);
- }
-
- if(bhaslastpoint) {
- const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.Last());
- aLineOn2S->Add(aP);
- }
- // check end of split line (end is almost always)
- Standard_Integer aneighbour = i + 1;
- Standard_Boolean bIsEndOfLine = Standard_True;
-
- if(aneighbour <= nblines) {
- const TColStd_ListOfInteger& aListOfNeighbourIndex = anArrayOfLines.Value(aneighbour);
-
- if((anArrayOfLineType.Value(aneighbour) != 0) &&
- (aListOfNeighbourIndex.IsEmpty())) {
- bIsEndOfLine = Standard_False;
- }
- }
-
- if(bIsEndOfLine) {
- if(aLineOn2S->NbPoints() > 1) {
- Handle(IntPatch_WLine) aNewWLine =
- new IntPatch_WLine(aLineOn2S, Standard_False);
- theNewLines.Append(aNewWLine);
- }
- aLineOn2S = new IntSurf_LineOn2S();
- }
- }
- // end if(bIsFirstInside)
-
- if(bIsLastInside) {
- // append points from first boundary point to ilprm
- if(bhasfirstpoint) {
- const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.First());
- aLineOn2S->Add(aP);
- }
- TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex);
-
- for(; anIt.More(); anIt.Next()) {
- if(anIt.Value() > ilprm)
- continue;
- const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value());
- aLineOn2S->Add(aP);
- }
- }
- //end if(bIsLastInside)
+ if(isvperiodic && correctV) {
+ if(thevmin < vmin)
+ thevmin = vmin;
+ if(thevmax > vmax)
+ thevmax = vmax;
}
}
-
- if(aLineOn2S->NbPoints() > 1) {
- Handle(IntPatch_WLine) aNewWLine =
- new IntPatch_WLine(aLineOn2S, Standard_False);
- theNewLines.Append(aNewWLine);
- }
}
- // Split wlines.end
+}
- return Standard_True;
+//=======================================================================
+//function : TolR3d
+//purpose :
+//=======================================================================
+void TolR3d(const Standard_Real aTolF1,
+ const Standard_Real aTolF2,
+ Standard_Real& myTolReached3d)
+{
+ Standard_Real aTolFMax, aTolTresh;
+
+ aTolTresh=2.999999e-3;
+ aTolFMax=Max(aTolF1, aTolF2);
+
+ if (aTolFMax>aTolTresh) {
+ myTolReached3d=aTolFMax;
+ }
}
// ------------------------------------------------------------------------------------------------
// does not lay on any boundary of given faces
// ------------------------------------------------------------------------------------------------
Standard_Boolean ParameterOutOfBoundary(const Standard_Real theParameter,
- const Handle(Geom_Curve)& theCurve,
- const TopoDS_Face& theFace1,
- const TopoDS_Face& theFace2,
- const Standard_Real theOtherParameter,
- const Standard_Boolean bIncreasePar,
- Standard_Real& theNewParameter) {
+ const Handle(Geom_Curve)& theCurve,
+ const TopoDS_Face& theFace1,
+ const TopoDS_Face& theFace2,
+ const Standard_Real theOtherParameter,
+ const Standard_Boolean bIncreasePar,
+ const Standard_Real theTol,
+ Standard_Real& theNewParameter,
+ const Handle(IntTools_Context)& aContext)
+{
Standard_Boolean bIsComputed = Standard_False;
theNewParameter = theParameter;
- IntTools_Context aContext;
Standard_Real acurpar = theParameter;
TopAbs_State aState = TopAbs_ON;
Standard_Integer iter = 0;
- Standard_Real asumtol = BRep_Tool::Tolerance(theFace1) + BRep_Tool::Tolerance(theFace2);
+ Standard_Real asumtol = theTol;
Standard_Real adelta = asumtol * 0.1;
adelta = (adelta < Precision::Confusion()) ? Precision::Confusion() : adelta;
Handle(Geom_Surface) aSurf1 = BRep_Tool::Surface(theFace1);
if(aPrj1.IsDone()) {
aPrj1.LowerDistanceParameters(U, V);
- aState = aContext.StatePointFace(theFace1, gp_Pnt2d(U, V));
+ aState = aContext->StatePointFace(theFace1, gp_Pnt2d(U, V));
}
if(aState != TopAbs_ON) {
aPrj2.Perform(aPCurrent);
-
+
if(aPrj2.IsDone()) {
- aPrj2.LowerDistanceParameters(U, V);
- aState = aContext.StatePointFace(theFace2, gp_Pnt2d(U, V));
+ aPrj2.LowerDistanceParameters(U, V);
+ aState = aContext->StatePointFace(theFace2, gp_Pnt2d(U, V));
}
}
if(bIncreasePar) {
if(acurpar >= theOtherParameter)
- theNewParameter = theOtherParameter;
+ theNewParameter = theOtherParameter;
}
else {
if(acurpar <= theOtherParameter)
- theNewParameter = theOtherParameter;
+ theNewParameter = theOtherParameter;
}
}
return bIsComputed;
//function : IsCurveValid
//purpose :
//=======================================================================
-Standard_Boolean IsCurveValid(Handle(Geom2d_Curve)& thePCurve)
+Standard_Boolean IsCurveValid (const Handle(Geom2d_Curve)& thePCurve)
{
if(thePCurve.IsNull())
return Standard_False;
//purpose : for bug 20964 only
//=======================================================================
Standard_Boolean ApproxWithPCurves(const gp_Cylinder& theCyl,
- const gp_Sphere& theSph)
+ const gp_Sphere& theSph)
{
Standard_Boolean bRes = Standard_True;
Standard_Real R1 = theCyl.Radius(), R2 = theSph.Radius();
-
- if(R1 < 2.*R2) return bRes;
-
+ //
+ {
+ Standard_Real aD2, aRc2, aEps;
+ gp_Pnt aApexSph;
+ //
+ aEps=1.E-7;
+ aRc2=R1*R1;
+ //
+ const gp_Ax3& aAx3Sph=theSph.Position();
+ const gp_Pnt& aLocSph=aAx3Sph.Location();
+ const gp_Dir& aDirSph=aAx3Sph.Direction();
+ //
+ const gp_Ax1& aAx1Cyl=theCyl.Axis();
+ gp_Lin aLinCyl(aAx1Cyl);
+ //
+ aApexSph.SetXYZ(aLocSph.XYZ()+R2*aDirSph.XYZ());
+ aD2=aLinCyl.SquareDistance(aApexSph);
+ if (fabs(aD2-aRc2)<aEps) {
+ return !bRes;
+ }
+ //
+ aApexSph.SetXYZ(aLocSph.XYZ()-R2*aDirSph.XYZ());
+ aD2=aLinCyl.SquareDistance(aApexSph);
+ if (fabs(aD2-aRc2)<aEps) {
+ return !bRes;
+ }
+ }
+ //
+
+ if(R1 < 2.*R2) {
+ return bRes;
+ }
gp_Lin anCylAx(theCyl.Axis());
Standard_Real aDist = anCylAx.Distance(theSph.Location());
//purpose :
//=======================================================================
void PerformPlanes(const Handle(GeomAdaptor_HSurface)& theS1,
- const Handle(GeomAdaptor_HSurface)& theS2,
- const Standard_Real TolAng,
- const Standard_Real TolTang,
- const Standard_Boolean theApprox1,
- const Standard_Boolean theApprox2,
- IntTools_SequenceOfCurves& theSeqOfCurve,
- Standard_Boolean& theTangentFaces)
+ const Handle(GeomAdaptor_HSurface)& theS2,
+ const Standard_Real TolF1,
+ const Standard_Real TolF2,
+ const Standard_Real TolAng,
+ const Standard_Real TolTang,
+ const Standard_Boolean theApprox1,
+ const Standard_Boolean theApprox2,
+ IntTools_SequenceOfCurves& theSeqOfCurve,
+ Standard_Boolean& theTangentFaces,
+ Standard_Real& TolReached3d)
{
gp_Pln aPln1 = theS1->Surface().Plane();
}
theSeqOfCurve.Append(aCurve);
-
+ //
+ // computation of the tolerance reached
+ Standard_Real anAngle, aDt;
+ gp_Dir aD1, aD2;
+ //
+ aD1 = aPln1.Position().Direction();
+ aD2 = aPln2.Position().Direction();
+ anAngle = aD1.Angle(aD2);
+ //
+ aDt = IntTools_Tools::ComputeIntRange(TolF1, TolF2, anAngle);
+ TolReached3d = sqrt(aDt*aDt + TolF1*TolF1);
}
//=======================================================================
//purpose :
//=======================================================================
static inline Standard_Boolean INTER(const Standard_Real d1,
- const Standard_Real d2,
- const Standard_Real tol)
+ const Standard_Real d2,
+ const Standard_Real tol)
{
return (d1 > tol && d2 < -tol) ||
(d1 < -tol && d2 > tol) ||
((d2 <= tol && d2 >= -tol) && (d1 > tol || d1 < -tol));
}
static inline Standard_Boolean COINC(const Standard_Real d1,
- const Standard_Real d2,
- const Standard_Real tol)
+ const Standard_Real d2,
+ const Standard_Real tol)
{
return (d1 <= tol && d1 >= -tol) && (d2 <= tol && d2 >= -tol);
}
Standard_Boolean ClassifyLin2d(const Handle(GeomAdaptor_HSurface)& theS,
- const gp_Lin2d& theLin2d,
- const Standard_Real theTol,
- Standard_Real& theP1,
- Standard_Real& theP2)
+ const gp_Lin2d& theLin2d,
+ const Standard_Real theTol,
+ Standard_Real& theP1,
+ Standard_Real& theP2)
{
Standard_Real xmin, xmax, ymin, ymax, d1, d2, A, B, C;
//purpose :
//=======================================================================
void ApproxParameters(const Handle(GeomAdaptor_HSurface)& aHS1,
- const Handle(GeomAdaptor_HSurface)& aHS2,
- Standard_Integer& iDegMin,
- Standard_Integer& iDegMax)
+ const Handle(GeomAdaptor_HSurface)& aHS2,
+ Standard_Integer& iDegMin,
+ Standard_Integer& iDegMax,
+ Standard_Integer& iNbIter)
+
{
GeomAbs_SurfaceType aTS1, aTS2;
//
+ iNbIter=0;
iDegMin=4;
iDegMax=8;
//
iDegMax=6;
}
}
+ if (aTS1==GeomAbs_Cylinder && aTS2==GeomAbs_Cylinder) {
+ iNbIter=1;
+ }
}
//=======================================================================
//function : Tolerances
//purpose :
//=======================================================================
void Tolerances(const Handle(GeomAdaptor_HSurface)& aHS1,
- const Handle(GeomAdaptor_HSurface)& aHS2,
- Standard_Real& ,//aTolArc,
- Standard_Real& aTolTang,
- Standard_Real& ,//aUVMaxStep,
- Standard_Real& )//aDeflection)
+ const Handle(GeomAdaptor_HSurface)& aHS2,
+ Standard_Real& aTolTang)
{
GeomAbs_SurfaceType aTS1, aTS2;
//
//purpose :
//=======================================================================
Standard_Boolean SortTypes(const GeomAbs_SurfaceType aType1,
- const GeomAbs_SurfaceType aType2)
+ const GeomAbs_SurfaceType aType2)
{
Standard_Boolean bRet;
Standard_Integer aI1, aI2;
}
return aIndex;
}
+
//=======================================================================
-//function : DumpWLine
-//purpose :
+// Function : FindMaxDistance
+// purpose :
//=======================================================================
-void DumpWLine(const Handle(IntPatch_WLine)& aWLine)
+Standard_Real FindMaxDistance(const Handle(Geom_Curve)& theCurve,
+ const Standard_Real theFirst,
+ const Standard_Real theLast,
+ const TopoDS_Face& theFace,
+ const Handle(IntTools_Context)& theContext)
{
- Standard_Integer i, aNbPnts;
- Standard_Real aX, aY, aZ, aU1, aV1, aU2, aV2;
- //
- aNbPnts=aWLine->NbPnts();
- for (i=1; i<=aNbPnts; ++i) {
- const IntSurf_PntOn2S aPntOn2S=aWLine->Point(i);
- const gp_Pnt& aP3D=aPntOn2S.Value();
- aP3D.Coord(aX, aY, aZ);
- aPntOn2S.Parameters(aU1, aV1, aU2, aV2);
+ Standard_Integer aNbS;
+ Standard_Real aT1, aT2, aDt, aD, aDMax, anEps;
+ //
+ aNbS = 11;
+ aDt = (theLast - theFirst) / aNbS;
+ aDMax = 0.;
+ anEps = 1.e-4 * aDt;
+ //
+ GeomAPI_ProjectPointOnSurf& aProjPS = theContext->ProjPS(theFace);
+ aT2 = theFirst;
+ for (;;) {
+ aT1 = aT2;
+ aT2 += aDt;
+ //
+ if (aT2 > theLast) {
+ break;
+ }
//
- //printf("point p_%d %lf %lf %lf\n", i, aX, aY, aZ);
- printf("point p_%d %20.15lf %20.15lf %20.15lf %20.15lf %20.15lf %20.15lf %20.15lf\n",
- i, aX, aY, aZ, aU1, aV1, aU2, aV2);
+ aD = FindMaxDistance(theCurve, aT1, aT2, aProjPS, anEps);
+ if (aD > aDMax) {
+ aDMax = aD;
+ }
}
+ //
+ return aDMax;
}
-//modified by NIZNHY-PKV Wed Dec 14 12:22:48 2011f
+
//=======================================================================
-//function : RefineVector
-//purpose :
+// Function : FindMaxDistance
+// purpose :
//=======================================================================
-void RefineVector(gp_Vec2d& aV2D)
+Standard_Real FindMaxDistance(const Handle(Geom_Curve)& theC,
+ const Standard_Real theFirst,
+ const Standard_Real theLast,
+ GeomAPI_ProjectPointOnSurf& theProjPS,
+ const Standard_Real theEps)
{
- Standard_Integer k,m;
- Standard_Real aC[2], aEps, aR1, aR2, aNum;
+ Standard_Real aA, aB, aCf, aX, aX1, aX2, aF1, aF2, aF;
//
- aEps=RealEpsilon();
- aR1=1.-aEps;
- aR2=1.+aEps;
+ aCf = 0.61803398874989484820458683436564;//(sqrt(5.)-1)/2.;
+ aA = theFirst;
+ aB = theLast;
//
- aV2D.Coord(aC[0], aC[1]);
- //
- for (k=0; k<2; ++k) {
- m=(k+1)%2;
- aNum=fabs(aC[k]);
- if (aNum>aR1 && aNum<aR2) {
- if (aC[k]<0.) {
- aC[k]=-1.;
- }
- else {
- aC[k]=1.;
- }
- aC[m]=0.;
- break;
+ aX1=aB - aCf*(aB-aA);
+ aF1 = MaxDistance(theC, aX1, theProjPS);
+ aX2 = aA + aCf * (aB - aA);
+ aF2 = MaxDistance(theC, aX2, theProjPS);
+
+ while (Abs(aX1-aX2) > theEps)
+ {
+ if (aF1 > aF2) {
+ aB = aX2;
+ aX2 = aX1;
+ aF2 = aF1;
+ aX1 = aB-aCf*(aB-aA);
+ aF1 = MaxDistance(theC, aX1, theProjPS);
+ }
+ else {
+ aA = aX1;
+ aX1 = aX2;
+ aF1 = aF2;
+ aX2=aA+aCf*(aB-aA);
+ aF2 = MaxDistance(theC, aX2, theProjPS);
}
}
- aV2D.SetCoord(aC[0], aC[1]);
-}
-//modified by NIZNHY-PKV Wed Dec 14 12:22:50 2011t
+ //
+ aX = 0.5 * (aA + aB);
+ aF = MaxDistance(theC, aX, theProjPS);
+ //
+ if (aF1 > aF) {
+ aF = aF1;
+ }
+ //
+ if (aF2 > aF) {
+ aF = aF2;
+ }
+ //
+ return aF;
+}
+
+//=======================================================================
+// Function : MaxDistance
+// purpose :
+//=======================================================================
+Standard_Real MaxDistance(const Handle(Geom_Curve)& theC,
+ const Standard_Real aT,
+ GeomAPI_ProjectPointOnSurf& theProjPS)
+{
+ Standard_Real aD;
+ gp_Pnt aP;
+ //
+ theC->D0(aT, aP);
+ theProjPS.Perform(aP);
+ aD = theProjPS.NbPoints() ? theProjPS.LowerDistance() : 0.;
+ //
+ return aD;
+}
+
+//=======================================================================
+//function : CheckPCurve
+//purpose : Checks if points of the pcurve are out of the face bounds.
+//=======================================================================
+ Standard_Boolean CheckPCurve(const Handle(Geom2d_Curve)& aPC,
+ const TopoDS_Face& aFace,
+ const Handle(IntTools_Context)& theCtx)
+{
+ const Standard_Integer NPoints = 23;
+ Standard_Integer i;
+ Standard_Real umin,umax,vmin,vmax;
+
+ theCtx->UVBounds(aFace, umin, umax, vmin, vmax);
+ Standard_Real tolU = Max ((umax-umin)*0.01, Precision::Confusion());
+ Standard_Real tolV = Max ((vmax-vmin)*0.01, Precision::Confusion());
+ Standard_Real fp = aPC->FirstParameter();
+ Standard_Real lp = aPC->LastParameter();
+
+
+ // adjust domain for periodic surfaces
+ TopLoc_Location aLoc;
+ Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace, aLoc);
+ if (aSurf->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) {
+ aSurf = (Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurf))->BasisSurface();
+ }
+ gp_Pnt2d pnt = aPC->Value((fp+lp)/2);
+ Standard_Real u,v;
+ pnt.Coord(u,v);
+ //
+ if (aSurf->IsUPeriodic()) {
+ Standard_Real aPer = aSurf->UPeriod();
+ Standard_Integer nshift = (Standard_Integer) ((u-umin)/aPer);
+ if (u < umin+aPer*nshift) nshift--;
+ umin += aPer*nshift;
+ umax += aPer*nshift;
+ }
+ if (aSurf->IsVPeriodic()) {
+ Standard_Real aPer = aSurf->VPeriod();
+ Standard_Integer nshift = (Standard_Integer) ((v-vmin)/aPer);
+ if (v < vmin+aPer*nshift) nshift--;
+ vmin += aPer*nshift;
+ vmax += aPer*nshift;
+ }
+ //
+ //--------------------------------------------------------
+ Standard_Boolean bRet;
+ Standard_Integer j, aNbIntervals;
+ Standard_Real aT, dT;
+ gp_Pnt2d aP2D;
+ //
+ Geom2dAdaptor_Curve aGAC(aPC);
+ aNbIntervals=aGAC.NbIntervals(GeomAbs_CN);
+ //
+ TColStd_Array1OfReal aTI(1, aNbIntervals+1);
+ aGAC.Intervals(aTI,GeomAbs_CN);
+ //
+ bRet=Standard_False;
+ //
+ aT=aGAC.FirstParameter();
+ for (j=1; j<=aNbIntervals; ++j) {
+ dT=(aTI(j+1)-aTI(j))/NPoints;
+ //
+ for (i=1; i<NPoints; i++) {
+ aT=aT+dT;
+ aGAC.D0(aT, aP2D);
+ aP2D.Coord(u,v);
+ if (umin-u > tolU || u-umax > tolU ||
+ vmin-v > tolV || v-vmax > tolV) {
+ return bRet;
+ }
+}
+ }
+ return !bRet;
+}
+//=======================================================================
+//function : CorrectPlaneBoundaries
+//purpose :
+//=======================================================================
+ void CorrectPlaneBoundaries(Standard_Real& aUmin,
+ Standard_Real& aUmax,
+ Standard_Real& aVmin,
+ Standard_Real& aVmax)
+{
+ if (!(Precision::IsInfinite(aUmin) ||
+ Precision::IsInfinite(aUmax))) {
+ Standard_Real dU;
+ //
+ dU=0.1*(aUmax-aUmin);
+ aUmin=aUmin-dU;
+ aUmax=aUmax+dU;
+ }
+ if (!(Precision::IsInfinite(aVmin) ||
+ Precision::IsInfinite(aVmax))) {
+ Standard_Real dV;
+ //
+ dV=0.1*(aVmax-aVmin);
+ aVmin=aVmin-dV;
+ aVmax=aVmax+dV;
+ }
+}
projects / occt.git / blobdiff