// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
-#include <IntTools_FaceFace.ixx>
+#include <IntTools_FaceFace.hxx>
#include <Precision.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 <ElSLib.hxx>
#include <ElCLib.hxx>
-#include <Extrema_ExtCC.hxx>
-#include <Extrema_POnCurv.hxx>
#include <BndLib_AddSurface.hxx>
#include <Adaptor3d_SurfacePtr.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 <Geom2dAdaptor.hxx>
-#include <GeomAdaptor_Curve.hxx>
#include <GeomAdaptor_HSurface.hxx>
#include <GeomAdaptor_Surface.hxx>
#include <GeomLib_CheckBSplineCurve.hxx>
#include <IntTools_PntOn2Faces.hxx>
#include <IntTools_Context.hxx>
#include <IntSurf_ListIteratorOfListOfPntOn2S.hxx>
-#include <GeomInt.hxx>
#include <Approx_CurveOnSurface.hxx>
#include <GeomAdaptor.hxx>
#include <GeomInt_IntSS.hxx>
-
-static
- void RefineVector(gp_Vec2d& aV2D);
-#ifdef OCCT_DEBUG_DUMPWLINE
-static
- void DumpWLine(const Handle(IntPatch_WLine)& aWLine);
-#endif
-//
+#include <IntTools_WLineTool.hxx>
+#include <IntPatch_WLineTool.hxx>
+
+//#ifdef OCCT_DEBUG_DUMPWLINE
+//static
+// void DumpWLine(const Handle(IntPatch_WLine)& aWLine);
+//#endif
+////
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);
static
void Parameters(const Handle(GeomAdaptor_HSurface)&,
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
- 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 GeomInt_LineConstructor& theLConstructor,
- const Standard_Boolean theAvoidLConstructor,
- IntPatch_SequenceOfLine& theNewLines,
- Standard_Real& theReachedTol3d,
- const Handle(IntTools_Context)& );
-
static
Standard_Boolean ParameterOutOfBoundary(const Standard_Real theParameter,
const Handle(Geom_Curve)& theCurve,
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);
-
-
-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,
- const Handle(IntTools_Context)& );
-
-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);
-
-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 CheckPCurve(const Handle(Geom2d_Curve)& aPC,
const TopoDS_Face& aFace);
-//
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 UVMaxStep = 0.001;
const Standard_Real Deflection = (hasCone) ? 0.085 : 0.1;
- myIntersector.SetTolerances(TolArc, TolTang, UVMaxStep, Deflection);
+ myIntersector.SetTolerances(TolArc, TolTang, UVMaxStep, Deflection);
}
if((myHS1->IsUClosed() && !myHS1->IsUPeriodic()) ||
myListOfPnts.Clear(); // to use LineConstructor
}
//
- const Standard_Integer aNbLin = myIntersector.NbLines();
- for (Standard_Integer 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;
//
- const Standard_Integer aNbLin=mySeqOfCurve.Length();
- for (Standard_Integer i=1; i<=aNbLin; ++i)
+ const Standard_Integer aNbLinSeqOfCurve =mySeqOfCurve.Length();
+ for (Standard_Integer i=1; i<=aNbLinSeqOfCurve; ++i)
{
IntTools_Curve& aIC=mySeqOfCurve(i);
aC2D1=aIC.FirstCurve2d();
}
// Points
+ Standard_Boolean bValid2D1, bValid2D2;
Standard_Real U1,V1,U2,V2;
IntTools_PntOnFace aPntOnF1, aPntOnF2;
IntTools_PntOn2Faces aPntOn2Faces;
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);
//
aS1 = myHS1->ChangeSurface().Surface();
aS2 = myHS2->ChangeSurface().Surface();
//
- for (i = 1; i <= aNbLin; ++i) {
+ for (i = 1; i <= aNbLin; ++i)
+ {
const IntTools_Curve& aIC = mySeqOfCurve(i);
const Handle(Geom_Curve)& aC3D = aIC.Curve();
- if (aC3D.IsNull()) {
+ if (aC3D.IsNull())
+ {
continue;
}
//
const Handle(Geom2d_Curve)& aC2D1 = aIC.FirstCurve2d();
const Handle(Geom2d_Curve)& aC2D2 = aIC.SecondCurve2d();
//
- for (j = 0; j < 2; ++j) {
+ for (j = 0; j < 2; ++j)
+ {
const Handle(Geom2d_Curve)& aC2D = !j ? aC2D1 : aC2D2;
const Handle(Geom_Surface)& aS = !j ? aS1 : aS2;
//
- if (!aC2D.IsNull()) {
+ if (!aC2D.IsNull())
+ {
if (IntTools_Tools::ComputeTolerance
- (aC3D, aC2D, aS, aFirst, aLast, aD, aT)) {
- if (aD > aDMax) {
+ (aC3D, aC2D, aS, aFirst, aLast, aD, aT))
+ {
+ if (aD > aDMax)
+ {
aDMax = aD;
}
}
}
- //
- const TopoDS_Face& aF = !i ? myFace1 : myFace2;
- aD = FindMaxDistance(aC3D, aFirst, aLast, aF, myContext);
- if (aD > aDMax) {
- aDMax = aD;
+ else
+ {
+ const TopoDS_Face& aF = !j ? myFace1 : myFace2;
+ aD = FindMaxDistance(aC3D, aFirst, aLast, aF, myContext);
+ if (aD > aDMax)
+ {
+ aDMax = aD;
+ }
}
}
}
//=======================================================================
void IntTools_FaceFace::ComputeTolReached3d()
{
- Standard_Integer aNbLin, i;
+ Standard_Integer aNbLin;
GeomAbs_SurfaceType aType1, aType2;
//
aNbLin=myIntersector.NbLines();
aType1=myHS1->Surface().GetType();
aType2=myHS2->Surface().GetType();
//
- if (aType1==GeomAbs_Cylinder && aType2==GeomAbs_Cylinder) {
- if (aNbLin==2){
+ if (aType1==GeomAbs_Cylinder && aType2==GeomAbs_Cylinder)
+ {
+ if (aNbLin==2)
+ {
Handle(IntPatch_Line) aIL1, aIL2;
IntPatch_IType aTL1, aTL2;
//
aL2=Handle(IntPatch_GLine)::DownCast(aIL2)->Line();
aD=aL1.Distance(aL2);
aD=0.5*aD;
- if (aD<aDTresh) {
+ if (aD<aDTresh)
+ {//In order to avoid creation too thin face
myTolReached3d=aD+dTol;
}
- return;
}
}
- //ZZ
- if (aNbLin) {// Check the distances
- Standard_Real aDMax;
- //
- aDMax = ComputeTolerance();
- if (aDMax > 0.) {
- myTolReached3d = aDMax;
- }
- }// if (aNbLin)
}// if (aType1==GeomAbs_Cylinder && aType2==GeomAbs_Cylinder) {
//
- //904/G3 f
- else 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;
- }
- }//if (aType1==GeomAbs_Plane && aType2==GeomAbs_Plane) {
- //t
- //IFV Bug OCC20297
- else 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
- //
- else if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Torus) ||
- (aType2==GeomAbs_Plane && aType1==GeomAbs_Torus)) {
- aNbLin=mySeqOfCurve.Length();
- if (aNbLin!=1) {
- return;
- }
- //
- Standard_Integer 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;
- }
- //
- aT1=aBS->FirstParameter();
- aT2=aBS->LastParameter();
- //
- aPln =(aType1==GeomAbs_Plane) ? myHS1->Plane() : myHS2->Plane();
- aTorus=(aType1==GeomAbs_Plane) ? myHS2->Torus() : myHS1->Torus();
- //
- 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);
- //
- ElSLib::Parameters(aPln, aP, aUP, aVP);
- aPP=ElSLib::Value(aUP, aVP, aPln);
- aDP=aP.SquareDistance(aPP);
- if (aDP>aDmax) {
- aDmax=aDP;
- }
- //
- ElSLib::Parameters(aTorus, aP, aUT, aVT);
- aPT=ElSLib::Value(aUT, aVT, aTorus);
- aDT=aP.SquareDistance(aPT);
- if (aDT>aDmax) {
- aDmax=aDT;
- }
- }
- //
- if (aDmax > myTolReached3d*myTolReached3d) {
- myTolReached3d=sqrt(aDmax);
- myTolReached3d=1.1*myTolReached3d;
- }
- }// if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Torus) ||
- //
- else if ((aType1==GeomAbs_SurfaceOfRevolution && aType2==GeomAbs_Cylinder) ||
- (aType2==GeomAbs_SurfaceOfRevolution && aType1==GeomAbs_Cylinder) ||
- (aType1==GeomAbs_Plane && aType2==GeomAbs_Sphere) ||
- (aType2==GeomAbs_Plane && aType1==GeomAbs_Sphere) ||
- (aType1==GeomAbs_Plane && aType2==GeomAbs_SurfaceOfExtrusion) ||
- (aType2==GeomAbs_Plane && aType1==GeomAbs_SurfaceOfExtrusion) ||
- (aType1==GeomAbs_Plane && aType2==GeomAbs_BSplineSurface) ||
- (aType2==GeomAbs_Plane && aType1==GeomAbs_BSplineSurface) ||
- !myApprox) {
- //
- Standard_Real aDMax;
- //
- aDMax = ComputeTolerance();
- if (aDMax > myTolReached3d) {
+
+ Standard_Real aDMax = ComputeTolerance();
+ if (aDMax > myTolReached3d)
+ {
myTolReached3d = aDMax;
}
}
-}
//=======================================================================
//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, bPCurvesOk;
typl = L->ArcType();
//
if(typl==IntPatch_Walking) {
- Handle(IntPatch_Line) anewL;
- //
- const Handle(IntPatch_WLine)& aWLine=
- Handle(IntPatch_WLine)::DownCast(L);
- //DumpWLine(aWLine);
-
- anewL = ComputePurgedWLine(aWLine);
- if(anewL.IsNull()) {
+ Handle(IntPatch_WLine) aWLine (Handle(IntPatch_WLine)::DownCast(L));
+ if(aWLine.IsNull()) {
return;
}
- L = anewL;
-
- //const Handle(IntPatch_WLine)& aWLineX = Handle(IntPatch_WLine)::DownCast(L);
- //DumpWLine(aWLineX);
+ L = aWLine;
//
if(!myListOfPnts.IsEmpty()) {
Handle(Geom2d_BSplineCurve) H2;
if(myApprox1) {
- H1 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True);
+ H1 = GeomInt_IntSS::MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True);
}
if(myApprox2) {
- H2 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False);
+ H2 = GeomInt_IntSS::MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False);
}
//
- mySeqOfCurve.Append(IntTools_Curve(MakeBSpline(WL,1,WL->NbPnts()), H1, H2));
+ mySeqOfCurve.Append(IntTools_Curve(GeomInt_IntSS::MakeBSpline(WL,1,WL->NbPnts()), H1, H2));
}
} // if (!myApprox)
//
Standard_Real tol2d = myTolApprox;
//
- theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_True);
+ theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, 30, Standard_True);
aNbParts=myLConstruct.NbParts();
for (i=1; i<=aNbParts; i++) {
Handle(Geom2d_BSplineCurve) H2;
if(myApprox1) {
- H1 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True);
+ H1 = GeomInt_IntSS::MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True);
}
if(myApprox2) {
- H2 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False);
+ H2 = GeomInt_IntSS::MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False);
}
//
- mySeqOfCurve.Append(IntTools_Curve(MakeBSpline(WL,1,WL->NbPnts()), H1, H2));
+ mySeqOfCurve.Append(IntTools_Curve(GeomInt_IntSS::MakeBSpline(WL,1,WL->NbPnts()), H1, H2));
}
else {
case IntPatch_Walking:{
Handle(IntPatch_WLine) WL =
Handle(IntPatch_WLine)::DownCast(L);
+
+#ifdef OCCT_DEBUG
+ //WL->Dump(0);
+#endif
+
//
Standard_Integer ifprm, ilprm;
//
}
//
if(myApprox1) {
- H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
+ H1 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
}
//
if(myApprox2) {
- H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
+ H2 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
}
//
- aBSp=MakeBSpline(WL, ifprm, ilprm);
+ aBSp=GeomInt_IntSS::MakeBSpline(WL, ifprm, ilprm);
IntTools_Curve aIC(aBSp, H1, H2);
mySeqOfCurve.Append(aIC);
}// for (i=1; i<=aNbParts; ++i) {
}
if(myHS1 == myHS2) {
- theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType);
+ 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);
+ 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, Standard_True, aParType);
+ 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,
- myContext);
+ bIsDecomposited = IntTools_WLineTool::
+ DecompositionOfWLine(WL,
+ myHS1,
+ myHS2,
+ myFace1,
+ myFace2,
+ myLConstruct,
+ bAvoidLineConstructor,
+ aSeqOfL,
+ aReachedTol,
+ myContext);
if ( bIsDecomposited && ( myTolReached3d < aReachedTol ) ) {
myTolReached3d = aReachedTol;
}
if ((typs1==GeomAbs_BezierSurface || typs1==GeomAbs_BSplineSurface) &&
(typs2==GeomAbs_BezierSurface || typs2==GeomAbs_BSplineSurface)) {
- theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_True, aParType);
+ theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, 30,
+ Standard_True, aParType);
Standard_Boolean bUseSurfaces;
- bUseSurfaces=NotUseSurfacesForApprox(myFace1, myFace2, WL, ifprm, ilprm);
+ bUseSurfaces = IntTools_WLineTool::NotUseSurfacesForApprox(myFace1, myFace2, WL, ifprm, ilprm);
if (bUseSurfaces) {
// ######
rejectSurface = Standard_True;
// ######
- theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType);
+ theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, 30,
+ Standard_False, aParType);
}
}
}
Handle(Geom2d_BSplineCurve) H1;
Handle(Geom2d_BSplineCurve) H2;
//
- Handle(Geom_Curve) aBSp=MakeBSpline(WL,ifprm, ilprm);
+ Handle(Geom_Curve) aBSp=GeomInt_IntSS::MakeBSpline(WL,ifprm, ilprm);
//
if(myApprox1) {
- H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
+ H1 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
}
//
if(myApprox2) {
- H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
+ H2 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
}
//
IntTools_Curve aIC(aBSp, H1, H2);
}
//
mySeqOfCurve.Append(aCurve);
+
}//if(typs1 == GeomAbs_Plane) {
- else if(typs2 == GeomAbs_Plane) {
+ else if(typs2 == GeomAbs_Plane)
+ {
const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j);
nbpoles = mbspc.NbPoles();
Handle(Geom2d_BSplineCurve) H1, H2;
bPCurvesOk = Standard_True;
//
- Handle(Geom_Curve) aBSp=MakeBSpline(WL,ifprm, ilprm);
+ Handle(Geom_Curve) aBSp=GeomInt_IntSS::MakeBSpline(WL,ifprm, ilprm);
if(myApprox1) {
- H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
+ H1 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_True);
bPCurvesOk = CheckPCurve(H1, myFace1);
}
if(myApprox2) {
- H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
+ H2 = GeomInt_IntSS::MakeBSpline2d(WL, ifprm, ilprm, Standard_False);
bPCurvesOk = bPCurvesOk && CheckPCurve(H2, myFace2);
}
//
} else {
mySeqOfCurve.Append(aCurve);
}
+
}// else if(typs2 == GeomAbs_Plane)
//
else { //typs2 != GeomAbs_Plane && typs1 != GeomAbs_Plane
case IntPatch_Restriction:
{
- GeomAbs_SurfaceType typS1 = myHS1->Surface().GetType();
- GeomAbs_SurfaceType typS2 = myHS2->Surface().GetType();
- Standard_Boolean isAnalS1 = Standard_False;
- switch (typS1)
- {
- case GeomAbs_Plane:
- case GeomAbs_Cylinder:
- case GeomAbs_Sphere:
- case GeomAbs_Cone:
- case GeomAbs_Torus: isAnalS1 = Standard_True; break;
- default: break;
- }
-
- Standard_Integer isAnalS2 = Standard_False;
- switch (typS2)
- {
- case GeomAbs_Plane:
- case GeomAbs_Cylinder:
- case GeomAbs_Sphere:
- case GeomAbs_Cone:
- case GeomAbs_Torus: isAnalS2 = Standard_True; break;
- default: break;
- }
-
Handle(IntPatch_RLine) RL =
Handle(IntPatch_RLine)::DownCast(L);
Handle(Geom_Curve) aC3d;
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++)
{
- const Standard_Real aParF = anArrayOfParameters(anInd),
- aParL = anArrayOfParameters(anInd+1);
+ 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;
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 :
}
}
}
-//
-//
-// 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. algo.
-// uses wrong values of normal, etc., and resulting curve will have
-// oscillations that we would not like to have.
-
-
-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
+//function : TolR3d
//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)
+void TolR3d(const TopoDS_Face& aF1,
+ const TopoDS_Face& aF2,
+ Standard_Real& myTolReached3d)
{
- Standard_Boolean bPInDZ;
-
- Handle(IntSurf_LineOn2S) aLineOn2S=WL->Curve();
+ Standard_Real aTolF1, aTolF2, aTolFMax, aTolTresh;
+
+ aTolTresh=2.999999e-3;
+ aTolF1 = BRep_Tool::Tolerance(aF1);
+ aTolF2 = BRep_Tool::Tolerance(aF2);
+ aTolFMax=Max(aTolF1, aTolF2);
- const IntSurf_PntOn2S& aP2Sfprm=aLineOn2S->Value(ifprm);
- bPInDZ=IsPointInDegeneratedZone(aP2Sfprm, aF1, aF2);
- if (bPInDZ) {
- return bPInDZ;
+ if (aTolFMax>aTolTresh) {
+ myTolReached3d=aTolFMax;
}
-
- 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)
-
+
+// ------------------------------------------------------------------------------------------------
+// static function: ParameterOutOfBoundary
+// purpose: Computes a new parameter for given curve. The corresponding 2d points
+// 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(IntTools_Context)& aContext)
{
- 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;
+ Standard_Boolean bIsComputed = Standard_False;
+ theNewParameter = theParameter;
+
+ 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 adelta = asumtol * 0.1;
+ adelta = (adelta < Precision::Confusion()) ? Precision::Confusion() : adelta;
+ Handle(Geom_Surface) aSurf1 = BRep_Tool::Surface(theFace1);
+ Handle(Geom_Surface) aSurf2 = BRep_Tool::Surface(theFace2);
+
+ Standard_Real u1, u2, v1, v2;
+
+ GeomAPI_ProjectPointOnSurf aPrj1;
+ aSurf1->Bounds(u1, u2, v1, v2);
+ aPrj1.Init(aSurf1, u1, u2, v1, v2);
+
+ GeomAPI_ProjectPointOnSurf aPrj2;
+ aSurf2->Bounds(u1, u2, v1, v2);
+ aPrj2.Init(aSurf2, u1, u2, v1, v2);
+
+ while(aState == TopAbs_ON) {
+ if(bIncreasePar)
+ acurpar += adelta;
+ else
+ acurpar -= adelta;
+ gp_Pnt aPCurrent = theCurve->Value(acurpar);
+ aPrj1.Perform(aPCurrent);
+ Standard_Real U=0., V=0.;
+
+ if(aPrj1.IsDone()) {
+ aPrj1.LowerDistanceParameters(U, V);
+ aState = aContext->StatePointFace(theFace1, gp_Pnt2d(U, V));
}
- }
- // 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(aState != TopAbs_ON) {
+ aPrj2.Perform(aPCurrent);
+
+ if(aPrj2.IsDone()) {
+ aPrj2.LowerDistanceParameters(U, V);
+ aState = aContext->StatePointFace(theFace2, gp_Pnt2d(U, V));
+ }
}
- }
- if (fabs(U2-US22) < aDelta) {
- bFlag=IsDegeneratedZone(aP2d, aS2, 1);
- if (bFlag) {
- return bFlag;
+
+ if(iter > 11) {
+ break;
}
+ iter++;
}
- aD=aGAS2.VResolution(aDelta);
- if (fabs(V2-VS21) < aDelta) {
- bFlag=IsDegeneratedZone(aP2d, aS2, 2);
- if (bFlag) {
- return bFlag;
+
+ if(iter <= 11) {
+ theNewParameter = acurpar;
+ bIsComputed = Standard_True;
+
+ if(bIncreasePar) {
+ if(acurpar >= theOtherParameter)
+ theNewParameter = theOtherParameter;
}
- }
- if (fabs(V2-VS22) < aDelta) {
- bFlag=IsDegeneratedZone(aP2d, aS2, 2);
- if (bFlag) {
- return bFlag;
+ else {
+ if(acurpar <= theOtherParameter)
+ theNewParameter = theOtherParameter;
}
}
- return !bFlag;
+ return bIsComputed;
}
//=======================================================================
-//function : IsDegeneratedZone
+//function : IsCurveValid
//purpose :
//=======================================================================
-Standard_Boolean IsDegeneratedZone(const gp_Pnt2d& aP2d,
- const Handle(Geom_Surface)& aS,
- const Standard_Integer iDir)
+Standard_Boolean IsCurveValid(Handle(Geom2d_Curve)& thePCurve)
{
- 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);
+ if(thePCurve.IsNull())
+ return Standard_False;
- 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 : 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();
- RefineVector(anormvec);
- 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;
-
- 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,
- const Handle(IntTools_Context)& aContext)
-{
- Standard_Integer aResult = 0;
- if ( !CheckTangentZonesExist( theSurface1, theSurface2 ) )
- return aResult;
-
-
- 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 );
- }
- }
- } //
- }
- }
- }
- }
- 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;
- }
- }
- }
- 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;
- }
- }
- }
- 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 GeomInt_LineConstructor& theLConstructor,
- const Standard_Boolean theAvoidLConstructor,
- IntPatch_SequenceOfLine& theNewLines,
- Standard_Real& theReachedTol3d,
- const Handle(IntTools_Context)& aContext)
-{
-
- Standard_Boolean bRet, bAvoidLineConstructor;
- Standard_Integer aNbPnts, aNbParts;
- //
- bRet=Standard_False;
- aNbPnts=theWLine->NbPnts();
- bAvoidLineConstructor=theAvoidLConstructor;
- //
- if(!aNbPnts){
- return bRet;
- }
- if (!bAvoidLineConstructor) {
- aNbParts=theLConstructor.NbParts();
- if (!aNbParts) {
- return bRet;
- }
- }
- //
- 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;
-
- Handle(TColgp_HArray1OfPnt2d) aTanZoneS1;
- Handle(TColgp_HArray1OfPnt2d) aTanZoneS2;
- Handle(TColStd_HArray1OfReal) aTanZoneRadius;
- Standard_Integer aNbZone = ComputeTangentZones( theSurface1, theSurface2, theFace1, theFace2,
- aTanZoneS1, aTanZoneS2, aTanZoneRadius, aContext);
-
- //
- nblines=0;
- aTol=Precision::Confusion();
- aTol=0.5*aTol;
- bIsPrevPointOnBoundary=Standard_False;
- bIsPointOnBoundary=Standard_False;
- //
- // 1. ...
- //
- // 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;
- }
-
- GeomInt::AdjustPeriodic(aParameter,
- alowerboundary,
- aupperboundary,
- aPeriod,
- anAdjustPar,
- 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;
- }
- 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;
- }
- //
- //
- // 2. Correct wlines.begin
- TColStd_Array1OfListOfInteger anArrayOfLineEnds(1, nblines);
- Handle(IntSurf_LineOn2S) aSeqOfPntOn2S = new IntSurf_LineOn2S();
- //
- for(i = 1; i <= nblines; i++) {
- if(anArrayOfLineType.Value(i) != 0) {
- continue;
- }
- const TColStd_ListOfInteger& aListOfIndex = anArrayOfLines.Value(i);
- 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);
-
- IntSurf_PntOn2S aNewP = aPoint;
- if(aListOfIndex.Extent() < 2) {
- aSeqOfPntOn2S->Add(aNewP);
- aListOfFLIndex.Append(aSeqOfPntOn2S->NbPoints());
- continue;
- }
- //
- Standard_Integer iFirst = aListOfIndex.First();
- Standard_Integer iLast = aListOfIndex.Last();
- //
- 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, anAdjustPar;
- GeomInt::AdjustPeriodic(aParameter, alowerboundary, aupperboundary,
- aPeriod, anAdjustPar, 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) ? iFirst : iLast;
- 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, anAdjustPar;
- GeomInt::AdjustPeriodic(aParameter, alowerboundary, aupperboundary,
- aPeriod, anAdjustPar, 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()) {
- 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()) {
- bCheckAngle2 = Standard_False;
- }
- }
-
- if(bCheckAngle1 || bCheckAngle2) {
- // assume there are at least two points in line (see "if" above)
- Standard_Integer anindexother = aneighbourpointindex;
-
- while((anindexother <= iLast) && (anindexother >= iFirst)) {
- 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()) {
- 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) ? iFirst : iLast;
- 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) ? iFirst : iLast;
- 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 <= iLast) && (aneighbourpointindex2 >= iFirst)) {
- 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()) {
- 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) ? iFirst : iLast;
- 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());
- }
- anArrayOfLineEnds.SetValue(i, aListOfFLIndex);
- }
- // Correct wlines.end
-
- // Split wlines.begin
- Standard_Integer nbiter;
- //
- nbiter=1;
- if (!bAvoidLineConstructor) {
- nbiter=theLConstructor.NbParts();
- }
- //
- for(j = 1; j <= nbiter; ++j) {
- Standard_Real fprm, lprm;
- Standard_Integer ifprm, ilprm;
- //
- if(bAvoidLineConstructor) {
- ifprm = 1;
- ilprm = theWLine->NbPnts();
- }
- else {
- theLConstructor.Part(j, fprm, lprm);
- ifprm = (Standard_Integer)fprm;
- ilprm = (Standard_Integer)lprm;
- }
-
- 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);
- 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(!bhaslastpoint && !aListOfFLIndex.IsEmpty()) {
- bhaslastpoint = (i != nblines);
- }
-
- Standard_Integer iFirst = aListOfIndex.First();
- Standard_Integer iLast = aListOfIndex.Last();
- Standard_Boolean bIsFirstInside = ((ifprm >= iFirst) && (ifprm <= iLast));
- Standard_Boolean bIsLastInside = ((ilprm >= iFirst) && (ilprm <= iLast));
-
- if(!bIsFirstInside && !bIsLastInside) {
- if((ifprm < iFirst) && (ilprm > iLast)) {
- // append whole line, and boundaries if neccesary
- if(bhasfirstpoint) {
- pit = aListOfFLIndex.First();
- const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(pit);
- aLineOn2S->Add(aP);
- }
- TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex);
-
- for(; anIt.More(); anIt.Next()) {
- pit = anIt.Value();
- const IntSurf_PntOn2S& aP = theWLine->Point(pit);
- aLineOn2S->Add(aP);
- }
-
- if(bhaslastpoint) {
- pit = aListOfFLIndex.Last();
- const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(pit);
- 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()) {
- pit = anIt.Value();
- if((pit < ifprm) || (pit > ilprm))
- continue;
- const IntSurf_PntOn2S& aP = theWLine->Point(pit);
- aLineOn2S->Add(aP);
- }
- }
- else {
-
- if(bIsFirstInside) {
- // append points from ifprm to last point + boundary point
- TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex);
-
- for(; anIt.More(); anIt.Next()) {
- pit = anIt.Value();
- if(pit < ifprm)
- continue;
- const IntSurf_PntOn2S& aP = theWLine->Point(pit);
- aLineOn2S->Add(aP);
- }
-
- if(bhaslastpoint) {
- pit = aListOfFLIndex.Last();
- const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(pit);
- 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) {
- pit = aListOfFLIndex.First();
- const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(pit);
- aLineOn2S->Add(aP);
- }
- TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex);
-
- for(; anIt.More(); anIt.Next()) {
- pit = anIt.Value();
- if(pit > ilprm)
- continue;
- const IntSurf_PntOn2S& aP = theWLine->Point(pit);
- aLineOn2S->Add(aP);
- }
- }
- //end if(bIsLastInside)
- }
- }
-
- if(aLineOn2S->NbPoints() > 1) {
- Handle(IntPatch_WLine) aNewWLine =
- new IntPatch_WLine(aLineOn2S, Standard_False);
- theNewLines.Append(aNewWLine);
- }
- }
- // Split wlines.end
-
- return Standard_True;
-}
-
-// ------------------------------------------------------------------------------------------------
-// static function: ParameterOutOfBoundary
-// purpose: Computes a new parameter for given curve. The corresponding 2d points
-// 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(IntTools_Context)& aContext)
-{
- Standard_Boolean bIsComputed = Standard_False;
- theNewParameter = theParameter;
-
- 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 adelta = asumtol * 0.1;
- adelta = (adelta < Precision::Confusion()) ? Precision::Confusion() : adelta;
- Handle(Geom_Surface) aSurf1 = BRep_Tool::Surface(theFace1);
- Handle(Geom_Surface) aSurf2 = BRep_Tool::Surface(theFace2);
-
- Standard_Real u1, u2, v1, v2;
-
- GeomAPI_ProjectPointOnSurf aPrj1;
- aSurf1->Bounds(u1, u2, v1, v2);
- aPrj1.Init(aSurf1, u1, u2, v1, v2);
-
- GeomAPI_ProjectPointOnSurf aPrj2;
- aSurf2->Bounds(u1, u2, v1, v2);
- aPrj2.Init(aSurf2, u1, u2, v1, v2);
-
- while(aState == TopAbs_ON) {
- if(bIncreasePar)
- acurpar += adelta;
- else
- acurpar -= adelta;
- gp_Pnt aPCurrent = theCurve->Value(acurpar);
- aPrj1.Perform(aPCurrent);
- Standard_Real U=0., V=0.;
-
- if(aPrj1.IsDone()) {
- aPrj1.LowerDistanceParameters(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));
- }
- }
-
- if(iter > 11) {
- break;
- }
- iter++;
- }
-
- if(iter <= 11) {
- theNewParameter = acurpar;
- bIsComputed = Standard_True;
-
- if(bIncreasePar) {
- if(acurpar >= theOtherParameter)
- theNewParameter = theOtherParameter;
- }
- else {
- if(acurpar <= theOtherParameter)
- theNewParameter = theOtherParameter;
- }
- }
- return bIsComputed;
-}
-
-//=======================================================================
-//function : IsCurveValid
-//purpose :
-//=======================================================================
-Standard_Boolean IsCurveValid(Handle(Geom2d_Curve)& thePCurve)
-{
- if(thePCurve.IsNull())
- return Standard_False;
-
- Standard_Real tolint = 1.e-10;
- Geom2dAdaptor_Curve PCA;
- IntRes2d_Domain PCD;
- Geom2dInt_GInter PCI;
+ Standard_Real tolint = 1.e-10;
+ Geom2dAdaptor_Curve PCA;
+ IntRes2d_Domain PCD;
+ Geom2dInt_GInter PCI;
Standard_Real pf = 0., pl = 0.;
gp_Pnt2d pntf, pntl;
}
}
#endif
-//=======================================================================
-//function : RefineVector
-//purpose :
-//=======================================================================
-void RefineVector(gp_Vec2d& aV2D)
-{
- Standard_Integer k,m;
- Standard_Real aC[2], aEps, aR1, aR2, aNum;
- //
- aEps=RealEpsilon();
- aR1=1.-aEps;
- aR2=1.+aEps;
- //
- 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;
- }
- }
- aV2D.SetCoord(aC[0], aC[1]);
-}
+
//=======================================================================
// Function : FindMaxDistance
// purpose :
//
return aDMax;
}
+
//=======================================================================
// Function : FindMaxDistance
// purpose :
//
return aF;
}
+
//=======================================================================
// Function : MaxDistance
// purpose :
projects / occt.git / blobdiff