// Created on: 1992-05-07
// Created by: Jacques GOUSSARD
// Copyright (c) 1992-1999 Matra Datavision
-// Copyright (c) 1999-2012 OPEN CASCADE SAS
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
-// The content of this file is subject to the Open CASCADE Technology Public
-// License Version 6.5 (the "License"). You may not use the content of this file
-// except in compliance with the License. Please obtain a copy of the License
-// at http://www.opencascade.org and read it completely before using this file.
+// This file is part of Open CASCADE Technology software library.
//
-// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
-// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
+// 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.
//
-// The Original Code and all software distributed under the License is
-// distributed on an "AS IS" basis, without warranty of any kind, and the
-// Initial Developer hereby disclaims all such warranties, including without
-// limitation, any warranties of merchantability, fitness for a particular
-// purpose or non-infringement. Please see the License for the specific terms
-// and conditions governing the rights and limitations under the License.
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
-#include <IntPatch_ImpPrmIntersection.ixx>
-
-#include <Standard_ConstructionError.hxx>
-#include <IntPatch_SequenceOfLine.hxx>
-#include <TColStd_Array1OfInteger.hxx>
-#include <IntSurf_PntOn2S.hxx>
-#include <IntSurf_LineOn2S.hxx>
-#include <IntSurf.hxx>
-
#include <Adaptor2d_HCurve2d.hxx>
-#include <IntSurf_PathPoint.hxx>
-#include <IntSurf_SequenceOfPathPoint.hxx>
+#include <Adaptor3d_HSurface.hxx>
+#include <Adaptor3d_TopolTool.hxx>
+#include <IntPatch_ArcFunction.hxx>
+#include <IntPatch_ImpPrmIntersection.hxx>
+#include <IntPatch_Line.hxx>
+#include <IntPatch_Point.hxx>
+#include <IntPatch_RLine.hxx>
+#include <IntPatch_RstInt.hxx>
+#include <IntPatch_SequenceOfLine.hxx>
#include <IntPatch_TheIWalking.hxx>
#include <IntPatch_TheIWLineOfTheIWalking.hxx>
#include <IntPatch_ThePathPointOfTheSOnBounds.hxx>
#include <IntPatch_TheSegmentOfTheSOnBounds.hxx>
#include <IntPatch_TheSurfFunction.hxx>
-#include <IntPatch_RLine.hxx>
#include <IntPatch_WLine.hxx>
-#include <IntPatch_ArcFunction.hxx>
-#include <IntPatch_RstInt.hxx>
+#include <IntSurf.hxx>
+#include <IntSurf_InteriorPoint.hxx>
+#include <IntSurf_LineOn2S.hxx>
+#include <IntSurf_PathPoint.hxx>
+#include <IntSurf_PntOn2S.hxx>
+#include <IntSurf_SequenceOfPathPoint.hxx>
+#include <Standard_ConstructionError.hxx>
+#include <Standard_DomainError.hxx>
+#include <Standard_NumericError.hxx>
+#include <Standard_OutOfRange.hxx>
+#include <Standard_TypeMismatch.hxx>
+#include <StdFail_NotDone.hxx>
+#include <TColStd_Array1OfInteger.hxx>
+
+#ifndef OCCT_DEBUG
+#define No_Standard_RangeError
+#define No_Standard_OutOfRange
+#endif
+
+#include <math_Vector.hxx>
+#include <math_Matrix.hxx>
+#include <TopTrans_CurveTransition.hxx>
+#include <TopAbs_State.hxx>
+#include <TopAbs_Orientation.hxx>
+#include <TColStd_Array1OfInteger.hxx>
+#include <TColStd_Array1OfReal.hxx>
+
+#include <IntSurf_SequenceOfInteriorPoint.hxx>
+#include <IntSurf_QuadricTool.hxx>
+#include <GeomAbs_SurfaceType.hxx>
+#include <IntAna2d_AnaIntersection.hxx>
+#include <gp_Lin2d.hxx>
+#include <ElCLib.hxx>
+
+#include <Bnd_Box2d.hxx>
+#include <IntPatch_PointLine.hxx>
+
+#include <Extrema_GenLocateExtPS.hxx>
+
+static Standard_Boolean DecomposeResult(const Handle(IntPatch_Line)& theLine,
+ const Standard_Boolean IsReversed,
+ const IntSurf_Quadric& theQuad,
+ const Handle(Adaptor3d_TopolTool)& thePDomain,
+ const Handle(Adaptor3d_HSurface)& theQSurf,
+ const Handle(Adaptor3d_HSurface)& theOtherSurf,
+ const Standard_Real theArcTol,
+ IntPatch_SequenceOfLine& theLines);
+static
+ void ComputeTangency (const IntPatch_TheSOnBounds& solrst,
+ IntSurf_SequenceOfPathPoint& seqpdep,
+ const Handle(Adaptor3d_TopolTool)& Domain,
+ IntPatch_TheSurfFunction& Func,
+ const Handle(Adaptor3d_HSurface)& PSurf,
+ TColStd_Array1OfInteger& Destination);
+static
+ void Recadre(const Standard_Boolean ,
+ GeomAbs_SurfaceType typeS1,
+ GeomAbs_SurfaceType typeS2,
+ IntPatch_Point& pt,
+ const Handle(IntPatch_TheIWLineOfTheIWalking)& iwline,
+ Standard_Integer Param,
+ Standard_Real U1,
+ Standard_Real V1,
+ Standard_Real U2,
+ Standard_Real V2);
+
+static Standard_Boolean IsIn2DBox(const Bnd_Box2d& theBox,
+ const Handle(IntPatch_PointLine)& theLine,
+ const Standard_Real theUPeriod,
+ const Standard_Real theVPeriod,
+ const Standard_Boolean isTheSurface1Using);
//=======================================================================
//function : IntPatch_ImpPrmIntersection
//purpose :
//=======================================================================
-
IntPatch_ImpPrmIntersection::IntPatch_ImpPrmIntersection ()
- : done(Standard_False),
- empt(Standard_False),
- myIsStartPnt(Standard_False),
- myUStart(0.0),
- myVStart(0.0)
+ : done(Standard_False),
+ empt(Standard_False),
+ myIsStartPnt(Standard_False),
+ myUStart(0.0),
+ myVStart(0.0)
{ }
//=======================================================================
IntPatch_ImpPrmIntersection::IntPatch_ImpPrmIntersection
- (const Handle(Adaptor3d_HSurface)& Surf1,
- const Handle(Adaptor3d_TopolTool)& D1,
- const Handle(Adaptor3d_HSurface)& Surf2,
- const Handle(Adaptor3d_TopolTool)& D2,
- const Standard_Real TolArc,
- const Standard_Real TolTang,
- const Standard_Real Fleche,
- const Standard_Real Pas)
- : done(Standard_False),
- empt(Standard_False),
- myIsStartPnt(Standard_False),
- myUStart(0.0),
- myVStart(0.0)
+ (const Handle(Adaptor3d_HSurface)& Surf1,
+ const Handle(Adaptor3d_TopolTool)& D1,
+ const Handle(Adaptor3d_HSurface)& Surf2,
+ const Handle(Adaptor3d_TopolTool)& D2,
+ const Standard_Real TolArc,
+ const Standard_Real TolTang,
+ const Standard_Real Fleche,
+ const Standard_Real Pas)
+ : done(Standard_False),
+ empt(Standard_False),
+ myIsStartPnt(Standard_False),
+ myUStart(0.0),
+ myVStart(0.0)
{
Perform(Surf1,D1,Surf2,D2,TolArc,TolTang,Fleche,Pas);
}
//=======================================================================
void IntPatch_ImpPrmIntersection::SetStartPoint(const Standard_Real U,
- const Standard_Real V)
+ const Standard_Real V)
{
myIsStartPnt = Standard_True;
myUStart = U; myVStart = V;
}
-#ifndef DEB
-#define No_Standard_RangeError
-#define No_Standard_OutOfRange
-#endif
-
-
-#include <math_Vector.hxx>
-#include <math_Matrix.hxx>
-#include <TopTrans_CurveTransition.hxx>
-#include <TopAbs_State.hxx>
-#include <TopAbs_Orientation.hxx>
-#include <TColStd_Array1OfInteger.hxx>
-#include <TColStd_Array1OfReal.hxx>
-
-#include <IntSurf_SequenceOfInteriorPoint.hxx>
-#include <IntSurf_QuadricTool.hxx>
-#include <GeomAbs_SurfaceType.hxx>
-
-
-static void DecomposeResult(Handle(IntPatch_Line)& Line,
- Standard_Boolean IsReversed,
- IntSurf_Quadric& Quad,
- Handle(Adaptor3d_TopolTool)& PDomain,
- Handle(Adaptor3d_HSurface)& QSurf,
- Standard_Real TolArc,
- IntPatch_SequenceOfLine& Lines);
-static
- void ComputeTangency (const IntPatch_TheSOnBounds& solrst,
- IntSurf_SequenceOfPathPoint& seqpdep,
- const Handle(Adaptor3d_TopolTool)& Domain,
- IntPatch_TheSurfFunction& Func,
- const Handle(Adaptor3d_HSurface)& PSurf,
- TColStd_Array1OfInteger& Destination);
-static
- void Recadre(const Standard_Boolean ,
- GeomAbs_SurfaceType typeS1,
- GeomAbs_SurfaceType typeS2,
- IntPatch_Point& pt,
- const Handle(IntPatch_TheIWLineOfTheIWalking)& iwline,
- Standard_Integer Param,
- Standard_Real U1,
- Standard_Real V1,
- Standard_Real U2,
- Standard_Real V2);
-
//=======================================================================
//function : ComputeTangency
//purpose :
//=======================================================================
void ComputeTangency (const IntPatch_TheSOnBounds& solrst,
- IntSurf_SequenceOfPathPoint& seqpdep,
- const Handle(Adaptor3d_TopolTool)& Domain,
- IntPatch_TheSurfFunction& Func,
- const Handle(Adaptor3d_HSurface)& PSurf,
- TColStd_Array1OfInteger& Destination)
+ IntSurf_SequenceOfPathPoint& seqpdep,
+ const Handle(Adaptor3d_TopolTool)& Domain,
+ IntPatch_TheSurfFunction& Func,
+ const Handle(Adaptor3d_HSurface)& PSurf,
+ TColStd_Array1OfInteger& Destination)
{
Standard_Integer i,k, NbPoints, seqlength;
Standard_Real theparam,test;
theparam = PStart.Parameter();
arcorien = Domain->Orientation(thearc);
ispassing = (arcorien == TopAbs_INTERNAL ||
- arcorien == TopAbs_EXTERNAL);
-
+ arcorien == TopAbs_EXTERNAL);
+
thearc->D0(theparam,p2d);
X(1) = p2d.X();
X(2) = p2d.Y();
PPoint.SetValue(PStart.Value(),X(1),X(2));
-
+
Func.Values(X,F,D);
if (Func.IsTangent()) {
- PPoint.SetTangency(Standard_True);
+ PPoint.SetTangency(Standard_True);
Destination(i) = seqlength+1;
- if (!PStart.IsNew()) {
- vtx = PStart.Vertex();
- for (k=i+1; k<=NbPoints; k++) {
- if (Destination(k) ==0) {
- PStart = solrst.Point(k);
- if (!PStart.IsNew()) {
- vtxbis = PStart.Vertex();
- if (Domain->Identical(vtx,vtxbis)) {
- thearc = PStart.Arc();
- theparam = PStart.Parameter();
- arcorien = Domain->Orientation(thearc);
- ispassing = ispassing && (arcorien == TopAbs_INTERNAL ||
- arcorien == TopAbs_EXTERNAL);
-
- thearc->D0(theparam,p2d);
- PPoint.AddUV(p2d.X(),p2d.Y());
- Destination(k) = seqlength+1;
- }
- }
- }
- }
- }
- PPoint.SetPassing(ispassing);
- seqpdep.Append(PPoint);
- seqlength++;
+ if (!PStart.IsNew()) {
+ vtx = PStart.Vertex();
+ for (k=i+1; k<=NbPoints; k++) {
+ if (Destination(k) ==0) {
+ PStart = solrst.Point(k);
+ if (!PStart.IsNew()) {
+ vtxbis = PStart.Vertex();
+ if (Domain->Identical(vtx,vtxbis)) {
+ thearc = PStart.Arc();
+ theparam = PStart.Parameter();
+ arcorien = Domain->Orientation(thearc);
+ ispassing = ispassing && (arcorien == TopAbs_INTERNAL ||
+ arcorien == TopAbs_EXTERNAL);
+
+ thearc->D0(theparam,p2d);
+ PPoint.AddUV(p2d.X(),p2d.Y());
+ Destination(k) = seqlength+1;
+ }
+ }
+ }
+ }
+ }
+ PPoint.SetPassing(ispassing);
+ seqpdep.Append(PPoint);
+ seqlength++;
}
else { // on a un point de depart potentiel
- vectg = Func.Direction3d();
- dirtg = Func.Direction2d();
-
- PSurf->D1(X(1),X(2),ptbid,d1u,d1v);
- thearc->D1(theparam,p2d,d2d);
- v2.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
- v1 = d1u.Crossed(d1v);
-
- test = vectg.Dot(v1.Crossed(v2));
- if (PStart.IsNew()) {
- if ((test < 0. && arcorien == TopAbs_FORWARD) ||
- (test > 0. && arcorien == TopAbs_REVERSED)) {
- vectg.Reverse();
- dirtg.Reverse();
- }
- PPoint.SetDirections(vectg,dirtg);
- PPoint.SetPassing(ispassing);
+ vectg = Func.Direction3d();
+ dirtg = Func.Direction2d();
+
+ PSurf->D1(X(1),X(2),ptbid,d1u,d1v);
+ thearc->D1(theparam,p2d,d2d);
+ v2.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
+ v1 = d1u.Crossed(d1v);
+
+ test = vectg.Dot(v1.Crossed(v2));
+ if (PStart.IsNew()) {
+ if ((test < 0. && arcorien == TopAbs_FORWARD) ||
+ (test > 0. && arcorien == TopAbs_REVERSED)) {
+ vectg.Reverse();
+ dirtg.Reverse();
+ }
+ PPoint.SetDirections(vectg,dirtg);
+ PPoint.SetPassing(ispassing);
Destination(i) = seqlength+1;
- seqpdep.Append(PPoint);
- seqlength++;
- }
- else { // traiter la transition complexe
- gp_Dir bidnorm(1.,1.,1.);
- Standard_Real tole = 1.e-8;
- TopAbs_Orientation LocTrans;
- TopTrans_CurveTransition comptrans;
- comptrans.Reset(vectg,bidnorm,0.);
- if (arcorien == TopAbs_FORWARD ||
- arcorien == TopAbs_REVERSED) {
- // pour essai
-
- vtx = PStart.Vertex();
- vtxorien = Domain->Orientation(vtx);
- if (Abs(test) <= tole) {
- LocTrans = TopAbs_EXTERNAL; // et pourquoi pas INTERNAL
- }
- else {
- if ((test > 0.)&& arcorien == TopAbs_FORWARD ||
- (test < 0.)&& arcorien == TopAbs_REVERSED){
- LocTrans = TopAbs_FORWARD;
- }
- else {
- LocTrans = TopAbs_REVERSED;
- }
- if (arcorien == TopAbs_REVERSED) {v2.Reverse();}
- }
-
- comptrans.Compare(tole,v2,bidnorm,0.,LocTrans,vtxorien);
- }
+ seqpdep.Append(PPoint);
+ seqlength++;
+ }
+ else { // traiter la transition complexe
+ gp_Dir bidnorm(1.,1.,1.);
+ Standard_Real tole = 1.e-8;
+ TopAbs_Orientation LocTrans;
+ TopTrans_CurveTransition comptrans;
+ comptrans.Reset(vectg,bidnorm,0.);
+ if (arcorien == TopAbs_FORWARD ||
+ arcorien == TopAbs_REVERSED) {
+ // pour essai
+
+ vtx = PStart.Vertex();
+ vtxorien = Domain->Orientation(vtx);
+ if (Abs(test) <= tole) {
+ LocTrans = TopAbs_EXTERNAL; // et pourquoi pas INTERNAL
+ }
+ else {
+ if (((test > 0.)&& arcorien == TopAbs_FORWARD) ||
+ ((test < 0.)&& arcorien == TopAbs_REVERSED)){
+ LocTrans = TopAbs_FORWARD;
+ }
+ else {
+ LocTrans = TopAbs_REVERSED;
+ }
+ if (arcorien == TopAbs_REVERSED) {v2.Reverse();}
+ }
+
+ comptrans.Compare(tole,v2,bidnorm,0.,LocTrans,vtxorien);
+ }
Destination(i) = seqlength+1;
- for (k= i+1; k<=NbPoints; k++) {
- if (Destination(k) == 0) {
- PStart = solrst.Point(k);
- if (!PStart.IsNew()) {
- vtxbis = PStart.Vertex();
- if (Domain->Identical(vtx,vtxbis)) {
- thearc = PStart.Arc();
- theparam = PStart.Parameter();
- arcorien = Domain->Orientation(thearc);
-
- PPoint.AddUV(X(1),X(2));
-
- thearc->D1(theparam,p2d,d2d);
- PPoint.AddUV(p2d.X(),p2d.Y());
-
- if (arcorien == TopAbs_FORWARD ||
- arcorien == TopAbs_REVERSED) {
- ispassing = Standard_False;
- v2.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
-
- test = vectg.Dot(v1.Crossed(v2));
- vtxorien = Domain->Orientation(PStart.Vertex());
- if (Abs(test) <= tole) {
- LocTrans = TopAbs_EXTERNAL; // et pourquoi pas INTERNAL
- }
- else {
- if ((test > 0.)&& arcorien == TopAbs_FORWARD ||
- (test < 0.)&& arcorien == TopAbs_REVERSED){
- LocTrans = TopAbs_FORWARD;
- }
- else {
- LocTrans = TopAbs_REVERSED;
- }
- if (arcorien == TopAbs_REVERSED) {v2.Reverse();}
- }
-
- comptrans.Compare(tole,v2,bidnorm,0.,LocTrans,vtxorien);
- }
- Destination(k) = seqlength+1;
- }
- }
- }
- }
+ for (k= i+1; k<=NbPoints; k++) {
+ if (Destination(k) == 0) {
+ PStart = solrst.Point(k);
+ if (!PStart.IsNew()) {
+ vtxbis = PStart.Vertex();
+ if (Domain->Identical(vtx,vtxbis)) {
+ thearc = PStart.Arc();
+ theparam = PStart.Parameter();
+ arcorien = Domain->Orientation(thearc);
+
+ PPoint.AddUV(X(1),X(2));
+
+ thearc->D1(theparam,p2d,d2d);
+ PPoint.AddUV(p2d.X(),p2d.Y());
+
+ if (arcorien == TopAbs_FORWARD ||
+ arcorien == TopAbs_REVERSED) {
+ ispassing = Standard_False;
+ v2.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
+
+ test = vectg.Dot(v1.Crossed(v2));
+ vtxorien = Domain->Orientation(PStart.Vertex());
+ if (Abs(test) <= tole) {
+ LocTrans = TopAbs_EXTERNAL; // et pourquoi pas INTERNAL
+ }
+ else {
+ if (((test > 0.)&& arcorien == TopAbs_FORWARD) ||
+ ((test < 0.)&& arcorien == TopAbs_REVERSED)){
+ LocTrans = TopAbs_FORWARD;
+ }
+ else {
+ LocTrans = TopAbs_REVERSED;
+ }
+ if (arcorien == TopAbs_REVERSED) {v2.Reverse();}
+ }
+
+ comptrans.Compare(tole,v2,bidnorm,0.,LocTrans,vtxorien);
+ }
+ Destination(k) = seqlength+1;
+ }
+ }
+ }
+ }
fairpt = Standard_True;
- if (!ispassing) {
- TopAbs_State Before = comptrans.StateBefore();
- TopAbs_State After = comptrans.StateAfter();
- if ((Before == TopAbs_UNKNOWN)||(After == TopAbs_UNKNOWN)) {
- fairpt = Standard_False;
- }
- else if (Before == TopAbs_IN) {
- if (After == TopAbs_IN) {
- ispassing = Standard_True;
- }
- else {
- vectg.Reverse();
- dirtg.Reverse();
- }
- }
- else {
- if (After !=TopAbs_IN) {
- fairpt = Standard_False;
- }
- }
- }
- if (fairpt) {
- PPoint.SetDirections(vectg,dirtg);
- PPoint.SetPassing(ispassing);
- seqpdep.Append(PPoint);
- seqlength++;
- }
- else { // il faut remettre en "ordre" si on ne garde pas le point.
- for (k=i; k <=NbPoints ; k++) {
- if (Destination(k)==seqlength + 1) {
- Destination(k) = -Destination(k);
- }
- }
- }
- }
+ if (!ispassing) {
+ TopAbs_State Before = comptrans.StateBefore();
+ TopAbs_State After = comptrans.StateAfter();
+ if ((Before == TopAbs_UNKNOWN)||(After == TopAbs_UNKNOWN)) {
+ fairpt = Standard_False;
+ }
+ else if (Before == TopAbs_IN) {
+ if (After == TopAbs_IN) {
+ ispassing = Standard_True;
+ }
+ else {
+ vectg.Reverse();
+ dirtg.Reverse();
+ }
+ }
+ else {
+ if (After !=TopAbs_IN) {
+ fairpt = Standard_False;
+ }
+ }
+ }
+ if (fairpt) {
+ PPoint.SetDirections(vectg,dirtg);
+ PPoint.SetPassing(ispassing);
+ seqpdep.Append(PPoint);
+ seqlength++;
+ }
+ else { // il faut remettre en "ordre" si on ne garde pas le point.
+ for (k=i; k <=NbPoints ; k++) {
+ if (Destination(k)==seqlength + 1) {
+ Destination(k) = -Destination(k);
+ }
+ }
+ }
+ }
}
}
}
//purpose :
//=======================================================================
void Recadre(const Standard_Boolean ,
- GeomAbs_SurfaceType typeS1,
- GeomAbs_SurfaceType typeS2,
- IntPatch_Point& pt,
- const Handle(IntPatch_TheIWLineOfTheIWalking)& iwline,
- Standard_Integer Param,
- Standard_Real U1,
- Standard_Real V1,
- Standard_Real U2,
- Standard_Real V2)
+ GeomAbs_SurfaceType typeS1,
+ GeomAbs_SurfaceType typeS2,
+ IntPatch_Point& pt,
+ const Handle(IntPatch_TheIWLineOfTheIWalking)& iwline,
+ Standard_Integer Param,
+ Standard_Real U1,
+ Standard_Real V1,
+ Standard_Real U2,
+ Standard_Real V2)
{
Standard_Real U1p,V1p,U2p,V2p;
iwline->Line()->Value(Param).Parameters(U1p,V1p,U2p,V2p);
switch(typeS1)
{
- case GeomAbs_Torus:
- while(V1<(V1p-1.5*M_PI)) V1+=M_PI+M_PI;
- while(V1>(V1p+1.5*M_PI)) V1-=M_PI+M_PI;
- case GeomAbs_Cylinder:
- case GeomAbs_Cone:
- case GeomAbs_Sphere:
- while(U1<(U1p-1.5*M_PI)) U1+=M_PI+M_PI;
- while(U1>(U1p+1.5*M_PI)) U1-=M_PI+M_PI;
+ case GeomAbs_Torus:
+ while(V1<(V1p-1.5*M_PI)) V1+=M_PI+M_PI;
+ while(V1>(V1p+1.5*M_PI)) V1-=M_PI+M_PI;
+ case GeomAbs_Cylinder:
+ case GeomAbs_Cone:
+ case GeomAbs_Sphere:
+ while(U1<(U1p-1.5*M_PI)) U1+=M_PI+M_PI;
+ while(U1>(U1p+1.5*M_PI)) U1-=M_PI+M_PI;
+ default:
+ break;
}
switch(typeS2)
{
- case GeomAbs_Torus:
- while(V2<(V2p-1.5*M_PI)) V2+=M_PI+M_PI;
- while(V2>(V2p+1.5*M_PI)) V2-=M_PI+M_PI;
- case GeomAbs_Cylinder:
- case GeomAbs_Cone:
- case GeomAbs_Sphere:
- while(U2<(U2p-1.5*M_PI)) U2+=M_PI+M_PI;
- while(U2>(U2p+1.5*M_PI)) U2-=M_PI+M_PI;
+ case GeomAbs_Torus:
+ while(V2<(V2p-1.5*M_PI)) V2+=M_PI+M_PI;
+ while(V2>(V2p+1.5*M_PI)) V2-=M_PI+M_PI;
+ case GeomAbs_Cylinder:
+ case GeomAbs_Cone:
+ case GeomAbs_Sphere:
+ while(U2<(U2p-1.5*M_PI)) U2+=M_PI+M_PI;
+ while(U2>(U2p+1.5*M_PI)) U2-=M_PI+M_PI;
+ default:
+ break;
}
pt.SetParameters(U1,V1,U2,V2);
}
//purpose :
//=======================================================================
void IntPatch_ImpPrmIntersection::Perform (const Handle(Adaptor3d_HSurface)& Surf1,
- const Handle(Adaptor3d_TopolTool)& D1,
- const Handle(Adaptor3d_HSurface)& Surf2,
- const Handle(Adaptor3d_TopolTool)& D2,
- const Standard_Real TolArc,
- const Standard_Real TolTang,
- const Standard_Real Fleche,
- const Standard_Real Pas)
+ const Handle(Adaptor3d_TopolTool)& D1,
+ const Handle(Adaptor3d_HSurface)& Surf2,
+ const Handle(Adaptor3d_TopolTool)& D2,
+ const Standard_Real TolArc,
+ const Standard_Real TolTang,
+ const Standard_Real Fleche,
+ const Standard_Real Pas)
{
Standard_Boolean reversed, procf, procl, dofirst, dolast;
- Standard_Integer indfirst = 0, indlast = 0, ind2, i,j,k, NbSegm;
+ Standard_Integer indfirst = 0, indlast = 0, ind2, NbSegm;
Standard_Integer NbPointIns, NbPointRst, Nblines, Nbpts, NbPointDep;
Standard_Real U1,V1,U2,V2,paramf,paraml,currentparam;
-
+
IntPatch_TheSegmentOfTheSOnBounds thesegm;
IntSurf_PathPoint PPoint;
Handle(IntPatch_WLine) wline;
IntPatch_ThePathPointOfTheSOnBounds PStart,PStartf,PStartl;
IntPatch_Point ptdeb,ptfin,ptbis;
-
+
IntPatch_IType typ;
IntSurf_Transition TLine,TArc;
IntSurf_TypeTrans trans1,trans2;
gp_Vec tgline,tgrst,norm1,norm2,d1u,d1v;
gp_Dir DirNormale;
gp_Vec VecNormale;
-
+
gp_Pnt2d p2d;
gp_Vec2d d2d;
-
+
Handle(Adaptor2d_HCurve2d) currentarc;
GeomAbs_SurfaceType typeS1, typeS2;
IntSurf_Quadric Quad;
//
typeS1 = Surf1->GetType();
typeS2 = Surf2->GetType();
-
+
paramf =0.;
paraml =0.;
trans1 = IntSurf_Undecided;
spnt.Clear();
//
reversed = Standard_False;
- switch (typeS1) {
- case GeomAbs_Plane:
- Quad.SetValue(Surf1->Plane());
- break;
+ switch (typeS1)
+ {
+ case GeomAbs_Plane:
+ Quad.SetValue(Surf1->Plane());
+ break;
- case GeomAbs_Cylinder:
- Quad.SetValue(Surf1->Cylinder());
- break;
+ case GeomAbs_Cylinder:
+ Quad.SetValue(Surf1->Cylinder());
+ break;
- case GeomAbs_Sphere:
- Quad.SetValue(Surf1->Sphere());
- break;
+ case GeomAbs_Sphere:
+ Quad.SetValue(Surf1->Sphere());
+ break;
- case GeomAbs_Cone:
- Quad.SetValue(Surf1->Cone());
- break;
+ case GeomAbs_Cone:
+ Quad.SetValue(Surf1->Cone());
+ break;
- default: {
+ default:
+ {
reversed = Standard_True;
- switch (typeS2) {
- case GeomAbs_Plane:
- Quad.SetValue(Surf2->Plane());
- break;
-
- case GeomAbs_Cylinder:
- Quad.SetValue(Surf2->Cylinder());
- break;
-
- case GeomAbs_Sphere:
- Quad.SetValue(Surf2->Sphere());
- break;
-
- case GeomAbs_Cone:
- Quad.SetValue(Surf2->Cone());
- break;
- default: {
- Standard_ConstructionError::Raise();
- break;
- }
+ switch (typeS2)
+ {
+ case GeomAbs_Plane:
+ Quad.SetValue(Surf2->Plane());
+ break;
+
+ case GeomAbs_Cylinder:
+ Quad.SetValue(Surf2->Cylinder());
+ break;
+
+ case GeomAbs_Sphere:
+ Quad.SetValue(Surf2->Sphere());
+ break;
+
+ case GeomAbs_Cone:
+ Quad.SetValue(Surf2->Cone());
+ break;
+ default:
+ {
+ Standard_ConstructionError::Raise();
+ break;
+ }
}
}
break;
}
}
//
- // Recherche des points interieurs
- if (!reversed) {
- if (myIsStartPnt)
- solins.Perform(Func,Surf2,myUStart,myVStart);
+ Standard_Boolean SearchIns = Standard_True;
+ if(Quad.TypeQuadric() == GeomAbs_Plane && solrst.NbSegments() > 0)
+ {
+ //For such kind of cases it is possible that whole surface is on one side of plane,
+ //plane only touches surface and does not cross it,
+ //so no inner points exist.
+ SearchIns = Standard_False;
+ Handle(Adaptor3d_TopolTool) T;
+ if(reversed)
+ {
+ T = D1;
+ }
else
- solins.Perform(Func,Surf2,D2,TolTang);
+ {
+ T = D2;
+ }
+ Standard_Integer aNbSamples = 0;
+ aNbSamples = T->NbSamples();
+ gp_Pnt2d s2d;
+ gp_Pnt s3d;
+ Standard_Real aValf[1], aUVap[2];
+ math_Vector Valf(aValf,1,1), UVap(aUVap,1,2);
+ T->SamplePoint(1,s2d, s3d);
+ UVap(1)=s2d.X();
+ UVap(2)=s2d.Y();
+ Func.Value(UVap,Valf);
+ Standard_Real rvalf = Sign(1.,Valf(1));
+ for(Standard_Integer i = 2; i <= aNbSamples; ++i)
+ {
+ T->SamplePoint(i,s2d, s3d);
+ UVap(1)=s2d.X();
+ UVap(2)=s2d.Y();
+ Func.Value(UVap,Valf);
+ if(rvalf * Valf(1) < 0.)
+ {
+ SearchIns = Standard_True;
+ break;
+ }
+ }
}
- else {
- if (myIsStartPnt)
- solins.Perform(Func,Surf1,myUStart,myVStart);
- else
- solins.Perform(Func,Surf1,D1,TolTang);
+ // Recherche des points interieurs
+ NbPointIns = 0;
+ if(SearchIns) {
+ if (!reversed) {
+ if (myIsStartPnt)
+ solins.Perform(Func,Surf2,myUStart,myVStart);
+ else
+ solins.Perform(Func,Surf2,D2,TolTang);
+ }
+ else {
+ if (myIsStartPnt)
+ solins.Perform(Func,Surf1,myUStart,myVStart);
+ else
+ solins.Perform(Func,Surf1,D1,TolTang);
+ }
+ NbPointIns = solins.NbPoints();
+ for (Standard_Integer i=1; i <= NbPointIns; i++) {
+ seqpins.Append(solins.Value(i));
+ }
}
//
- NbPointIns = solins.NbPoints();
- for (i=1; i <= NbPointIns; i++) {
- seqpins.Append(solins.Value(i));
- }
NbPointDep=seqpdep.Length();
//
if (NbPointDep || NbPointIns) {
if(!iwalk.IsDone()) {
return;
}
-
+
Standard_Real Vmin, Vmax, TolV = 1.e-14;
if (!reversed) { //Surf1 is quadric
Vmin = Surf1->FirstVParameter();
}
//
Nblines = iwalk.NbLines();
- for (j=1; j<=Nblines; j++) {
+ for (Standard_Integer j=1; j<=Nblines; j++) {
const Handle(IntPatch_TheIWLineOfTheIWalking)& iwline = iwalk.Value(j);
const Handle(IntSurf_LineOn2S)& thelin = iwline->Line();
-
+
Nbpts = thelin->NbPoints();
if(Nbpts>=2) {
-
- tgline = iwline->TangentVector(k);
- if(k>=1 && k<=Nbpts) { } else { k=Nbpts>>1; }
- valpt = thelin->Value(k).Value();
-
- if (!reversed) {
- thelin->Value(k).ParametersOnS2(U2,V2);
- norm1 = Quad.Normale(valpt);
- Surf2->D1(U2,V2,ptbid,d1u,d1v);
- norm2 = d1u.Crossed(d1v);
- }
- else {
- thelin->Value(k).ParametersOnS1(U2,V2);
- norm2 = Quad.Normale(valpt);
- Surf1->D1(U2,V2,ptbid,d1u,d1v);
- norm1 = d1u.Crossed(d1v);
- }
- if (tgline.DotCross(norm2,norm1) > 0.) {
- trans1 = IntSurf_Out;
- trans2 = IntSurf_In;
- }
- else {
- trans1 = IntSurf_In;
- trans2 = IntSurf_Out;
- }
-
- //
- Standard_Real AnU1,AnU2,AnV2;
-
- GeomAbs_SurfaceType typQuad = Quad.TypeQuadric();
- Standard_Boolean arecadr=Standard_False;
- valpt = thelin->Value(1).Value();
- Quad.Parameters(valpt,AnU1,V1);
-
- if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
- if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
-
- if(reversed) {
- thelin->SetUV(1,Standard_False,AnU1,V1); //-- on va lire u2,v2
- thelin->Value(1).ParametersOnS1(AnU2,AnV2);
- }
- else {
- thelin->SetUV(1,Standard_True,AnU1,V1); //-- on va lire u1,v1
- thelin->Value(1).ParametersOnS2(AnU2,AnV2);
- }
-
- if(typQuad==GeomAbs_Cylinder ||
- typQuad==GeomAbs_Cone ||
- typQuad==GeomAbs_Sphere) {
- arecadr=Standard_True;
- }
- //
- for (k=2; k<=Nbpts; ++k) {
- valpt = thelin->Value(k).Value();
- Quad.Parameters(valpt,U1,V1);
- //
- if((V1 < Vmin) && (Vmin-V1 < TolV)) {
- V1 = Vmin;
- }
- if((V1 > Vmax) && (V1-Vmax < TolV)) {
- V1 = Vmax;
- }
- //
- if(arecadr) {
- //modified by NIZNHY-PKV Fri Mar 28 15:06:01 2008f
- Standard_Real aCf, aTwoPI;
- //
- aCf=0.;
- aTwoPI=M_PI+M_PI;
- if ((U1-AnU1) > 1.5*M_PI) {
- while ((U1-AnU1) > (1.5*M_PI+aCf*aTwoPI)) {
- aCf=aCf+1.;
- }
- U1=U1-aCf*aTwoPI;
- }
- //
- else {
- while ((U1-AnU1) < (-1.5*M_PI-aCf*aTwoPI)) {
- aCf=aCf+1.;
- }
- U1=U1+aCf*aTwoPI;
- }
- // was:
- //if ((U1-AnU1) > 1.5*M_PI) {
- // U1-=M_PI+M_PI;
- //}
- //else if ((U1-AnU1) < -1.5*M_PI) {
- // U1+=M_PI+M_PI;
- //}
- //modified by NIZNHY-PKV Fri Mar 28 15:06:11 2008t
- }
- //
- if(reversed) {
- thelin->SetUV(k,Standard_False,U1,V1);
-
- thelin->Value(k).ParametersOnS1(U2,V2);
- switch(typeS1) {
- case GeomAbs_Cylinder:
- case GeomAbs_Cone:
- case GeomAbs_Sphere:
- case GeomAbs_Torus:
- while(U2<(AnU2-1.5*M_PI)) U2+=M_PI+M_PI;
- while(U2>(AnU2+1.5*M_PI)) U2-=M_PI+M_PI;
- break;
- default:
- break;
- }
- if(typeS2==GeomAbs_Torus) {
- while(V2<(AnV2-1.5*M_PI)) V2+=M_PI+M_PI;
- while(V2>(AnV2+1.5*M_PI)) V2-=M_PI+M_PI;
- }
- thelin->SetUV(k,Standard_True,U2,V2);
- }
- else {
- thelin->SetUV(k,Standard_True,U1,V1);
-
- thelin->Value(k).ParametersOnS2(U2,V2);
- switch(typeS2) {
- case GeomAbs_Cylinder:
- case GeomAbs_Cone:
- case GeomAbs_Sphere:
- case GeomAbs_Torus:
- while(U2<(AnU2-1.5*M_PI)) U2+=M_PI+M_PI;
- while(U2>(AnU2+1.5*M_PI)) U2-=M_PI+M_PI;
- break;
- default:
- break;
- }
- if(typeS2==GeomAbs_Torus) {
- while(V2<(AnV2-1.5*M_PI)) V2+=M_PI+M_PI;
- while(V2>(AnV2+1.5*M_PI)) V2-=M_PI+M_PI;
- }
- thelin->SetUV(k,Standard_False,U2,V2);
-
- }
-
- AnU1=U1;
- AnU2=U2;
- AnV2=V2;
- }
- // <-A
- wline = new IntPatch_WLine(thelin,Standard_False,trans1,trans2);
-
- if ( iwline->HasFirstPoint()
- && iwline->IsTangentAtBegining() == Standard_False) {
- indfirst = iwline->FirstPointIndex();
- PPoint = seqpdep(indfirst);
- tgline = PPoint.Direction3d();
- Standard_Integer themult = PPoint.Multiplicity();
- for (i=NbPointRst; i>=1; i--) {
- if (Destination(i) == indfirst) {
- if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
- Quad.Parameters(PPoint.Value(),U1,V1);
-
- if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
- if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
-
- PPoint.Parameters(themult,U2,V2);
- Surf2->D1(U2,V2,ptbid,d1u,d1v); //-- @@@@
- }
- else { //-- typeS1 != Pln && Cyl && Sph && Cone
- Quad.Parameters(PPoint.Value(),U2,V2);
-
- if((V2 < Vmin) && (Vmin-V2 < TolV)) V2 = Vmin;
- if((V2 > Vmax) && (V2-Vmax < TolV)) V2 = Vmax;
-
- PPoint.Parameters(themult,U1,V1);
- Surf1->D1(U1,V1,ptbid,d1u,d1v); //-- @@@@
- }
-
- VecNormale = d1u.Crossed(d1v);
- //-- Modif du 27 Septembre 94 (Recadrage des pts U,V)
- ptdeb.SetValue(PPoint.Value(),TolArc,Standard_False);
- ptdeb.SetParameters(U1,V1,U2,V2);
- ptdeb.SetParameter(1.);
-
- Recadre(reversed,typeS1,typeS2,ptdeb,iwline,1,U1,V1,U2,V2);
-
- currentarc = solrst.Point(i).Arc();
- currentparam = solrst.Point(i).Parameter();
- currentarc->D1(currentparam,p2d,d2d);
- tgrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
-
- Standard_Real squaremagnitudeVecNormale = VecNormale.SquareMagnitude();
- if(squaremagnitudeVecNormale > 1e-13) {
- DirNormale=VecNormale;
- IntSurf::MakeTransition(tgline,tgrst,DirNormale,TLine,TArc);
- }
- else {
- TLine.SetValue(Standard_True,IntSurf_Undecided);
- TArc.SetValue(Standard_True,IntSurf_Undecided);
- }
-
- ptdeb.SetArc(reversed,currentarc,currentparam,TLine,TArc);
- if (!solrst.Point(i).IsNew()) {
- ptdeb.SetVertex(reversed,solrst.Point(i).Vertex());
- }
- wline->AddVertex(ptdeb);
- if (themult == 0) {
- wline->SetFirstPoint(wline->NbVertex());
- }
-
- themult--;
- }
- }
- }
- else if (iwline->IsTangentAtBegining()) {
- gp_Pnt psol = thelin->Value(1).Value();
- thelin->Value(1).ParametersOnS1(U1,V1);
- thelin->Value(1).ParametersOnS2(U2,V2);
- ptdeb.SetValue(psol,TolArc,Standard_True);
- ptdeb.SetParameters(U1,V1,U2,V2);
- ptdeb.SetParameter(1.);
- wline->AddVertex(ptdeb);
- wline->SetFirstPoint(wline->NbVertex());
- }
- else {
- gp_Pnt psol = thelin->Value(1).Value();
- thelin->Value(1).ParametersOnS1(U1,V1);
- thelin->Value(1).ParametersOnS2(U2,V2);
- ptdeb.SetValue(psol,TolArc,Standard_False);
- ptdeb.SetParameters(U1,V1,U2,V2);
- ptdeb.SetParameter(1.);
- wline->AddVertex(ptdeb);
- wline->SetFirstPoint(wline->NbVertex());
- }
-
-
- if ( iwline->HasLastPoint()
- && iwline->IsTangentAtEnd() == Standard_False) {
- indlast = iwline->LastPointIndex();
- PPoint = seqpdep(indlast);
- tgline = PPoint.Direction3d().Reversed();
- Standard_Integer themult = PPoint.Multiplicity();
- for (i=NbPointRst; i >=1; i--) {
- if (Destination(i) == indlast) {
- if (!reversed) {
- Quad.Parameters(PPoint.Value(),U1,V1);
-
- if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
- if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
-
- PPoint.Parameters(themult,U2,V2);
- Surf2->D1(U2,V2,ptbid,d1u,d1v); //-- @@@@
- VecNormale = d1u.Crossed(d1v); //-- @@@@
- }
- else {
- Quad.Parameters(PPoint.Value(),U2,V2);
-
- if((V2 < Vmin) && (Vmin-V2 < TolV)) V2 = Vmin;
- if((V2 > Vmax) && (V2-Vmax < TolV)) V2 = Vmax;
-
- PPoint.Parameters(themult,U1,V1);
- Surf1->D1(U1,V1,ptbid,d1u,d1v); //-- @@@@
- VecNormale = d1u.Crossed(d1v); //-- @@@@
- }
-
- ptfin.SetValue(PPoint.Value(),TolArc,Standard_False);
- ptfin.SetParameters(U1,V1,U2,V2);
- ptfin.SetParameter(Nbpts);
-
- Recadre(reversed,typeS1,typeS2,ptfin,iwline,Nbpts-1,U1,V1,U2,V2);
-
- currentarc = solrst.Point(i).Arc();
- currentparam = solrst.Point(i).Parameter();
- currentarc->D1(currentparam,p2d,d2d);
- tgrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
-
-
- Standard_Real squaremagnitudeVecNormale = VecNormale.SquareMagnitude();
- if(squaremagnitudeVecNormale > 1e-13) {
- DirNormale=VecNormale;
- IntSurf::MakeTransition(tgline,tgrst,DirNormale,TLine,TArc);
- }
- else {
- TLine.SetValue(Standard_True,IntSurf_Undecided);
- TArc.SetValue(Standard_True,IntSurf_Undecided);
- }
-
-
- ptfin.SetArc(reversed,currentarc,currentparam,TLine,TArc);
- if (!solrst.Point(i).IsNew()) {
- ptfin.SetVertex(reversed,solrst.Point(i).Vertex());
- }
- wline->AddVertex(ptfin);
- if (themult == 0) {
- wline->SetLastPoint(wline->NbVertex());
- }
-
- themult--;
- }
- }
- }
- else if (iwline->IsTangentAtEnd()) {
- gp_Pnt psol = thelin->Value(Nbpts).Value();
- thelin->Value(Nbpts).ParametersOnS1(U1,V1);
- thelin->Value(Nbpts).ParametersOnS2(U2,V2);
- ptfin.SetValue(psol,TolArc,Standard_True);
- ptfin.SetParameters(U1,V1,U2,V2);
- ptfin.SetParameter(Nbpts);
- wline->AddVertex(ptfin);
- wline->SetLastPoint(wline->NbVertex());
- }
- else {
- gp_Pnt psol = thelin->Value(Nbpts).Value();
- thelin->Value(Nbpts).ParametersOnS1(U1,V1);
- thelin->Value(Nbpts).ParametersOnS2(U2,V2);
- ptfin.SetValue(psol,TolArc,Standard_False);
- ptfin.SetParameters(U1,V1,U2,V2);
- ptfin.SetParameter(Nbpts);
- wline->AddVertex(ptfin);
- wline->SetLastPoint(wline->NbVertex());
- }
- //
- // Il faut traiter les points de passage.
- slin.Append(wline);
+ Standard_Integer k = 0;
+ tgline = iwline->TangentVector(k);
+ if(k>=1 && k<=Nbpts) { } else { k=Nbpts>>1; }
+ valpt = thelin->Value(k).Value();
+
+ if (!reversed) {
+ thelin->Value(k).ParametersOnS2(U2,V2);
+ norm1 = Quad.Normale(valpt);
+ Surf2->D1(U2,V2,ptbid,d1u,d1v);
+ norm2 = d1u.Crossed(d1v);
+ }
+ else {
+ thelin->Value(k).ParametersOnS1(U2,V2);
+ norm2 = Quad.Normale(valpt);
+ Surf1->D1(U2,V2,ptbid,d1u,d1v);
+ norm1 = d1u.Crossed(d1v);
+ }
+ if (tgline.DotCross(norm2,norm1) > 0.) {
+ trans1 = IntSurf_Out;
+ trans2 = IntSurf_In;
+ }
+ else {
+ trans1 = IntSurf_In;
+ trans2 = IntSurf_Out;
+ }
+
+ //
+ Standard_Real AnU1,AnU2,AnV2;
+
+ GeomAbs_SurfaceType typQuad = Quad.TypeQuadric();
+ Standard_Boolean arecadr=Standard_False;
+ valpt = thelin->Value(1).Value();
+ Quad.Parameters(valpt,AnU1,V1);
+
+ if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
+ if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
+
+ if(reversed) {
+ thelin->SetUV(1,Standard_False,AnU1,V1); //-- on va lire u2,v2
+ thelin->Value(1).ParametersOnS1(AnU2,AnV2);
+ }
+ else {
+ thelin->SetUV(1,Standard_True,AnU1,V1); //-- on va lire u1,v1
+ thelin->Value(1).ParametersOnS2(AnU2,AnV2);
+ }
+
+ if(typQuad==GeomAbs_Cylinder ||
+ typQuad==GeomAbs_Cone ||
+ typQuad==GeomAbs_Sphere) {
+ arecadr=Standard_True;
+ }
+ //
+ for (k=2; k<=Nbpts; ++k) {
+ valpt = thelin->Value(k).Value();
+ Quad.Parameters(valpt,U1,V1);
+ //
+ if((V1 < Vmin) && (Vmin-V1 < TolV)) {
+ V1 = Vmin;
+ }
+ if((V1 > Vmax) && (V1-Vmax < TolV)) {
+ V1 = Vmax;
+ }
+ //
+ if(arecadr) {
+ //modified by NIZNHY-PKV Fri Mar 28 15:06:01 2008f
+ Standard_Real aCf, aTwoPI;
+ //
+ aCf=0.;
+ aTwoPI=M_PI+M_PI;
+ if ((U1-AnU1) > 1.5*M_PI) {
+ while ((U1-AnU1) > (1.5*M_PI+aCf*aTwoPI)) {
+ aCf=aCf+1.;
+ }
+ U1=U1-aCf*aTwoPI;
+ }
+ //
+ else {
+ while ((U1-AnU1) < (-1.5*M_PI-aCf*aTwoPI)) {
+ aCf=aCf+1.;
+ }
+ U1=U1+aCf*aTwoPI;
+ }
+ // was:
+ //if ((U1-AnU1) > 1.5*M_PI) {
+ // U1-=M_PI+M_PI;
+ //}
+ //else if ((U1-AnU1) < -1.5*M_PI) {
+ // U1+=M_PI+M_PI;
+ //}
+ //modified by NIZNHY-PKV Fri Mar 28 15:06:11 2008t
+ }
+ //
+ if(reversed) {
+ thelin->SetUV(k,Standard_False,U1,V1);
+
+ thelin->Value(k).ParametersOnS1(U2,V2);
+ switch(typeS1) {
+ case GeomAbs_Cylinder:
+ case GeomAbs_Cone:
+ case GeomAbs_Sphere:
+ case GeomAbs_Torus:
+ while(U2<(AnU2-1.5*M_PI)) U2+=M_PI+M_PI;
+ while(U2>(AnU2+1.5*M_PI)) U2-=M_PI+M_PI;
+ break;
+ default:
+ break;
+ }
+ if(typeS2==GeomAbs_Torus) {
+ while(V2<(AnV2-1.5*M_PI)) V2+=M_PI+M_PI;
+ while(V2>(AnV2+1.5*M_PI)) V2-=M_PI+M_PI;
+ }
+ thelin->SetUV(k,Standard_True,U2,V2);
+ }
+ else {
+ thelin->SetUV(k,Standard_True,U1,V1);
+
+ thelin->Value(k).ParametersOnS2(U2,V2);
+ switch(typeS2) {
+ case GeomAbs_Cylinder:
+ case GeomAbs_Cone:
+ case GeomAbs_Sphere:
+ case GeomAbs_Torus:
+ while(U2<(AnU2-1.5*M_PI)) U2+=M_PI+M_PI;
+ while(U2>(AnU2+1.5*M_PI)) U2-=M_PI+M_PI;
+ break;
+ default:
+ break;
+ }
+ if(typeS2==GeomAbs_Torus) {
+ while(V2<(AnV2-1.5*M_PI)) V2+=M_PI+M_PI;
+ while(V2>(AnV2+1.5*M_PI)) V2-=M_PI+M_PI;
+ }
+ thelin->SetUV(k,Standard_False,U2,V2);
+
+ }
+
+ AnU1=U1;
+ AnU2=U2;
+ AnV2=V2;
+ }
+ // <-A
+ wline = new IntPatch_WLine(thelin,Standard_False,trans1,trans2);
+
+#ifdef OCCT_DEBUG
+ //wline->Dump(0);
+#endif
+
+ if ( iwline->HasFirstPoint()
+ && iwline->IsTangentAtBegining() == Standard_False)
+ {
+ indfirst = iwline->FirstPointIndex();
+ PPoint = seqpdep(indfirst);
+ tgline = PPoint.Direction3d();
+ Standard_Integer themult = PPoint.Multiplicity();
+ for (Standard_Integer i=NbPointRst; i>=1; i--) {
+ if (Destination(i) == indfirst) {
+ if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
+ Quad.Parameters(PPoint.Value(),U1,V1);
+
+ if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
+ if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
+
+ PPoint.Parameters(themult,U2,V2);
+ Surf2->D1(U2,V2,ptbid,d1u,d1v); //-- @@@@
+ }
+ else { //-- typeS1 != Pln && Cyl && Sph && Cone
+ Quad.Parameters(PPoint.Value(),U2,V2);
+
+ if((V2 < Vmin) && (Vmin-V2 < TolV)) V2 = Vmin;
+ if((V2 > Vmax) && (V2-Vmax < TolV)) V2 = Vmax;
+
+ PPoint.Parameters(themult,U1,V1);
+ Surf1->D1(U1,V1,ptbid,d1u,d1v); //-- @@@@
+ }
+
+ VecNormale = d1u.Crossed(d1v);
+ //-- Modif du 27 Septembre 94 (Recadrage des pts U,V)
+ ptdeb.SetValue(PPoint.Value(),TolArc,Standard_False);
+ ptdeb.SetParameters(U1,V1,U2,V2);
+ ptdeb.SetParameter(1.);
+
+ Recadre(reversed,typeS1,typeS2,ptdeb,iwline,1,U1,V1,U2,V2);
+
+ currentarc = solrst.Point(i).Arc();
+ currentparam = solrst.Point(i).Parameter();
+ currentarc->D1(currentparam,p2d,d2d);
+ tgrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
+
+ Standard_Real squaremagnitudeVecNormale = VecNormale.SquareMagnitude();
+ if(squaremagnitudeVecNormale > 1e-13) {
+ DirNormale=VecNormale;
+ IntSurf::MakeTransition(tgline,tgrst,DirNormale,TLine,TArc);
+ }
+ else {
+ TLine.SetValue(Standard_True,IntSurf_Undecided);
+ TArc.SetValue(Standard_True,IntSurf_Undecided);
+ }
+
+ ptdeb.SetArc(reversed,currentarc,currentparam,TLine,TArc);
+ if (!solrst.Point(i).IsNew()) {
+ ptdeb.SetVertex(reversed,solrst.Point(i).Vertex());
+ }
+ wline->AddVertex(ptdeb);
+ if (themult == 0) {
+ wline->SetFirstPoint(wline->NbVertex());
+ }
+
+ themult--;
+ }
+ }
+ }
+ else if (iwline->IsTangentAtBegining())
+ {
+ gp_Pnt psol = thelin->Value(1).Value();
+ thelin->Value(1).ParametersOnS1(U1,V1);
+ thelin->Value(1).ParametersOnS2(U2,V2);
+ ptdeb.SetValue(psol,TolArc,Standard_True);
+ ptdeb.SetParameters(U1,V1,U2,V2);
+ ptdeb.SetParameter(1.);
+ wline->AddVertex(ptdeb);
+ wline->SetFirstPoint(wline->NbVertex());
+ }
+ else
+ {
+ gp_Pnt psol = thelin->Value(1).Value();
+ thelin->Value(1).ParametersOnS1(U1,V1);
+ thelin->Value(1).ParametersOnS2(U2,V2);
+ ptdeb.SetValue(psol,TolArc,Standard_False);
+ ptdeb.SetParameters(U1,V1,U2,V2);
+ ptdeb.SetParameter(1.);
+ wline->AddVertex(ptdeb);
+ wline->SetFirstPoint(wline->NbVertex());
+ }
+
+
+ if ( iwline->HasLastPoint()
+ && iwline->IsTangentAtEnd() == Standard_False)
+ {
+ indlast = iwline->LastPointIndex();
+ PPoint = seqpdep(indlast);
+ tgline = PPoint.Direction3d().Reversed();
+ Standard_Integer themult = PPoint.Multiplicity();
+ for (Standard_Integer i=NbPointRst; i >=1; i--) {
+ if (Destination(i) == indlast) {
+ if (!reversed) {
+ Quad.Parameters(PPoint.Value(),U1,V1);
+
+ if((V1 < Vmin) && (Vmin-V1 < TolV)) V1 = Vmin;
+ if((V1 > Vmax) && (V1-Vmax < TolV)) V1 = Vmax;
+
+ PPoint.Parameters(themult,U2,V2);
+ Surf2->D1(U2,V2,ptbid,d1u,d1v); //-- @@@@
+ VecNormale = d1u.Crossed(d1v); //-- @@@@
+ }
+ else {
+ Quad.Parameters(PPoint.Value(),U2,V2);
+
+ if((V2 < Vmin) && (Vmin-V2 < TolV)) V2 = Vmin;
+ if((V2 > Vmax) && (V2-Vmax < TolV)) V2 = Vmax;
+
+ PPoint.Parameters(themult,U1,V1);
+ Surf1->D1(U1,V1,ptbid,d1u,d1v); //-- @@@@
+ VecNormale = d1u.Crossed(d1v); //-- @@@@
+ }
+
+ ptfin.SetValue(PPoint.Value(),TolArc,Standard_False);
+ ptfin.SetParameters(U1,V1,U2,V2);
+ ptfin.SetParameter(Nbpts);
+
+ Recadre(reversed,typeS1,typeS2,ptfin,iwline,Nbpts-1,U1,V1,U2,V2);
+
+ currentarc = solrst.Point(i).Arc();
+ currentparam = solrst.Point(i).Parameter();
+ currentarc->D1(currentparam,p2d,d2d);
+ tgrst.SetLinearForm(d2d.X(),d1u,d2d.Y(),d1v);
+
+
+ Standard_Real squaremagnitudeVecNormale = VecNormale.SquareMagnitude();
+ if(squaremagnitudeVecNormale > 1e-13) {
+ DirNormale=VecNormale;
+ IntSurf::MakeTransition(tgline,tgrst,DirNormale,TLine,TArc);
+ }
+ else {
+ TLine.SetValue(Standard_True,IntSurf_Undecided);
+ TArc.SetValue(Standard_True,IntSurf_Undecided);
+ }
+
+
+ ptfin.SetArc(reversed,currentarc,currentparam,TLine,TArc);
+ if (!solrst.Point(i).IsNew()) {
+ ptfin.SetVertex(reversed,solrst.Point(i).Vertex());
+ }
+ wline->AddVertex(ptfin);
+ if (themult == 0) {
+ wline->SetLastPoint(wline->NbVertex());
+ }
+
+ themult--;
+ }
+ }
+ }
+ else if (iwline->IsTangentAtEnd())
+ {
+ gp_Pnt psol = thelin->Value(Nbpts).Value();
+ thelin->Value(Nbpts).ParametersOnS1(U1,V1);
+ thelin->Value(Nbpts).ParametersOnS2(U2,V2);
+ ptfin.SetValue(psol,TolArc,Standard_True);
+ ptfin.SetParameters(U1,V1,U2,V2);
+ ptfin.SetParameter(Nbpts);
+ wline->AddVertex(ptfin);
+ wline->SetLastPoint(wline->NbVertex());
+ }
+ else
+ {
+ gp_Pnt psol = thelin->Value(Nbpts).Value();
+ thelin->Value(Nbpts).ParametersOnS1(U1,V1);
+ thelin->Value(Nbpts).ParametersOnS2(U2,V2);
+ ptfin.SetValue(psol,TolArc,Standard_False);
+ ptfin.SetParameters(U1,V1,U2,V2);
+ ptfin.SetParameter(Nbpts);
+ wline->AddVertex(ptfin);
+ wline->SetLastPoint(wline->NbVertex());
+ }
+ //
+ // Il faut traiter les points de passage.
+ slin.Append(wline);
}// if(Nbpts>=2) {
}// for (j=1; j<=Nblines; j++) {
Nblines = slin.Length();
- for (j=1; j<=Nblines-1; j++) {
+ for (Standard_Integer j=1; j<=Nblines-1; j++) {
dofirst = dolast = Standard_False;
const Handle(IntPatch_Line)& slinj = slin(j);
- const Handle(IntPatch_WLine)& wlin1 = *((Handle(IntPatch_WLine)*)&slinj);
+ Handle(IntPatch_WLine) wlin1 (Handle(IntPatch_WLine)::DownCast (slinj));
if (wlin1->HasFirstPoint()) {
- ptdeb = wlin1->FirstPoint(indfirst);
- if (ptdeb.IsTangencyPoint()) {
- dofirst = Standard_True;
- }
+ ptdeb = wlin1->FirstPoint(indfirst);
+ if (ptdeb.IsTangencyPoint()) {
+ dofirst = Standard_True;
+ }
}
if (wlin1->HasLastPoint()) {
- ptfin = wlin1->LastPoint(indlast);
- if (ptfin.IsTangencyPoint()) {
- dolast = Standard_True;
- }
+ ptfin = wlin1->LastPoint(indlast);
+ if (ptfin.IsTangencyPoint()) {
+ dolast = Standard_True;
+ }
}
-
+
if (dofirst || dolast) {
- for (k=j+1; k<=Nblines;k++) {
- const Handle(IntPatch_Line)& slink = slin(k);
- const Handle(IntPatch_WLine)& wlin2 = *((Handle(IntPatch_WLine)*)&slink);
- if (wlin2->HasFirstPoint()) {
- ptbis = wlin2->FirstPoint(ind2);
- if (ptbis.IsTangencyPoint()) {
- if (dofirst ) {
- if (ptdeb.Value().Distance(ptbis.Value()) <= TolArc) {
- ptdeb.SetMultiple(Standard_True);
- if (!ptbis.IsMultiple()) {
- ptbis.SetMultiple(Standard_True);
- wlin2->Replace(ind2,ptbis);
- }
- }
- }
- if (dolast ) {
- if (ptfin.Value().Distance(ptbis.Value()) <= TolArc) {
- ptfin.SetMultiple(Standard_True);
- if (!ptbis.IsMultiple()) {
- ptbis.SetMultiple(Standard_True);
- wlin2->Replace(ind2,ptbis);
- }
- }
- }
- }
- }
- if (wlin2->HasLastPoint()) {
- ptbis = wlin2->LastPoint(ind2);
- if (ptbis.IsTangencyPoint()) {
- if (dofirst ) {
- if (ptdeb.Value().Distance(ptbis.Value()) <= TolArc) {
- ptdeb.SetMultiple(Standard_True);
- if (!ptbis.IsMultiple()) {
- ptbis.SetMultiple(Standard_True);
- wlin2->Replace(ind2,ptbis);
- }
- }
- }
- if (dolast ) {
- if (ptfin.Value().Distance(ptbis.Value()) <= TolArc) {
- ptfin.SetMultiple(Standard_True);
- if (!ptbis.IsMultiple()) {
- ptbis.SetMultiple(Standard_True);
- wlin2->Replace(ind2,ptbis);
- }
- }
- }
- }
- }
- }
- if(dofirst)
- wlin1->Replace(indfirst,ptdeb);
- if(dolast)
- wlin1->Replace(indlast,ptfin);
+ for (Standard_Integer k=j+1; k<=Nblines;k++) {
+ const Handle(IntPatch_Line)& slink = slin(k);
+ Handle(IntPatch_WLine) wlin2 (Handle(IntPatch_WLine)::DownCast (slink));
+ if (wlin2->HasFirstPoint()) {
+ ptbis = wlin2->FirstPoint(ind2);
+ if (ptbis.IsTangencyPoint()) {
+ if (dofirst ) {
+ if (ptdeb.Value().Distance(ptbis.Value()) <= TolArc) {
+ ptdeb.SetMultiple(Standard_True);
+ if (!ptbis.IsMultiple()) {
+ ptbis.SetMultiple(Standard_True);
+ wlin2->Replace(ind2,ptbis);
+ }
+ }
+ }
+ if (dolast ) {
+ if (ptfin.Value().Distance(ptbis.Value()) <= TolArc) {
+ ptfin.SetMultiple(Standard_True);
+ if (!ptbis.IsMultiple()) {
+ ptbis.SetMultiple(Standard_True);
+ wlin2->Replace(ind2,ptbis);
+ }
+ }
+ }
+ }
+ }
+ if (wlin2->HasLastPoint()) {
+ ptbis = wlin2->LastPoint(ind2);
+ if (ptbis.IsTangencyPoint()) {
+ if (dofirst ) {
+ if (ptdeb.Value().Distance(ptbis.Value()) <= TolArc) {
+ ptdeb.SetMultiple(Standard_True);
+ if (!ptbis.IsMultiple()) {
+ ptbis.SetMultiple(Standard_True);
+ wlin2->Replace(ind2,ptbis);
+ }
+ }
+ }
+ if (dolast ) {
+ if (ptfin.Value().Distance(ptbis.Value()) <= TolArc) {
+ ptfin.SetMultiple(Standard_True);
+ if (!ptbis.IsMultiple()) {
+ ptbis.SetMultiple(Standard_True);
+ wlin2->Replace(ind2,ptbis);
+ }
+ }
+ }
+ }
+ }
+ }
+ if(dofirst)
+ wlin1->Replace(indfirst,ptdeb);
+ if(dolast)
+ wlin1->Replace(indlast,ptfin);
}
}
}// if (seqpdep.Length() != 0 || seqpins.Length() != 0) {
// Treatment the segments
NbSegm = solrst.NbSegments();
if (NbSegm) {
- for(i=1; i<=NbSegm; i++) {
+ for(Standard_Integer i=1; i<=NbSegm; i++) {
thesegm = solrst.Segment(i);
+ //Check if segment is degenerated
+ if(thesegm.HasFirstPoint() && thesegm.HasLastPoint())
+ {
+ Standard_Real tol2 = Precision::Confusion();
+ tol2 *= tol2;
+ const gp_Pnt& aPf = thesegm.FirstPoint().Value();
+ const gp_Pnt& aPl = thesegm.LastPoint().Value();
+ if(aPf.SquareDistance(aPl) <= tol2)
+ {
+ //segment can be degenerated - check inner point
+ paramf = thesegm.FirstPoint().Parameter();
+ paraml = thesegm.LastPoint().Parameter();
+ gp_Pnt2d _p2d =
+ thesegm.Curve()->Value(.57735 * paramf + 0.42265 * paraml);
+ gp_Pnt aPm;
+ if(reversed)
+ {
+ Surf1->D0(_p2d.X(), _p2d.Y(), aPm);
+ }
+ else
+ {
+ Surf2->D0(_p2d.X(), _p2d.Y(), aPm);
+ }
+ if(aPm.SquareDistance(aPf) <= tol2)
+ {
+ //Degenerated
+ continue;
+ }
+ }
+ }
+
+
//----------------------------------------------------------------------
// on cree une ligne d intersection contenant uniquement le segment.
// VOIR POUR LA TRANSITION DE LA LIGNE
IntPatch_Point _thepointAtBeg;
IntPatch_Point _thepointAtEnd;
-
+
Standard_Boolean TransitionOK=Standard_False;
if(thesegm.HasFirstPoint()) {
- Standard_Real _u1,_v1,_u2,_v2;
-
- dofirst = Standard_True;
- PStartf = thesegm.FirstPoint();
- paramf = PStartf.Parameter();
-
- gp_Pnt2d _p2d = thesegm.Curve()->Value(paramf);
- Handle(Adaptor3d_HVertex) _vtx;
- if(PStartf.IsNew()==Standard_False)
- _vtx= PStartf.Vertex();
- const gp_Pnt& _Pp = PStartf.Value();
- _thepointAtBeg.SetValue(_Pp,PStartf.Tolerance(),Standard_False);
- if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
- Quad.Parameters(_Pp,_u1,_v1);
- _u2=_p2d.X(); _v2=_p2d.Y();
- }
- else { //-- typeS1 != Pln && Cyl && Sph && Cone
- Quad.Parameters(_Pp,_u2,_v2);
- _u1=_p2d.X(); _v1=_p2d.Y();
- }
- _thepointAtBeg.SetParameters(_u1,_v1,_u2,_v2);
- _thepointAtBeg.SetParameter(paramf);
- if(PStartf.IsNew()==Standard_False)
- _thepointAtBeg.SetVertex(reversed,_vtx);
- _thepointAtBeg.SetArc(reversed,thesegm.Curve(),paramf,TLineUnk,TArcUnk);
-
-
- gp_Vec d1u1,d1v1,d1u2,d1v2; gp_Vec2d _d2d;
- Surf1->D1(_u1,_v1,ptbid,d1u1,d1v1);
- norm1 = d1u1.Crossed(d1v1);
- Surf2->D1(_u2,_v2,ptbid,d1u2,d1v2);
- norm2 = d1u2.Crossed(d1v2);
-
- thesegm.Curve()->D1(paramf,_p2d,_d2d);
- if(reversed) {
- tgline.SetLinearForm(_d2d.X(),d1u1,_d2d.Y(),d1v1);
- }
- else {
- tgline.SetLinearForm(_d2d.X(),d1u2,_d2d.Y(),d1v2);
- }
- _u1=tgline.DotCross(norm2,norm1);
- TransitionOK=Standard_True;
- if (_u1 > 0.00000001) {
- trans1 = IntSurf_Out;
- trans2 = IntSurf_In;
- }
- else if(_u1 < -0.00000001) {
- trans1 = IntSurf_In;
- trans2 = IntSurf_Out;
- }
- else {
- TransitionOK=Standard_False;
- }
+ Standard_Real _u1,_v1,_u2,_v2;
+
+ dofirst = Standard_True;
+ PStartf = thesegm.FirstPoint();
+ paramf = PStartf.Parameter();
+
+ gp_Pnt2d _p2d = thesegm.Curve()->Value(paramf);
+ Handle(Adaptor3d_HVertex) _vtx;
+ if(PStartf.IsNew()==Standard_False)
+ _vtx= PStartf.Vertex();
+ const gp_Pnt& _Pp = PStartf.Value();
+ _thepointAtBeg.SetValue(_Pp,PStartf.Tolerance(),Standard_False);
+ if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
+ Quad.Parameters(_Pp,_u1,_v1);
+ _u2=_p2d.X(); _v2=_p2d.Y();
+ }
+ else { //-- typeS1 != Pln && Cyl && Sph && Cone
+ Quad.Parameters(_Pp,_u2,_v2);
+ _u1=_p2d.X(); _v1=_p2d.Y();
+ }
+ _thepointAtBeg.SetParameters(_u1,_v1,_u2,_v2);
+ _thepointAtBeg.SetParameter(paramf);
+ if(PStartf.IsNew()==Standard_False)
+ _thepointAtBeg.SetVertex(reversed,_vtx);
+ _thepointAtBeg.SetArc(reversed,thesegm.Curve(),paramf,TLineUnk,TArcUnk);
+
+
+ gp_Vec d1u1,d1v1,d1u2,d1v2; gp_Vec2d _d2d;
+ Surf1->D1(_u1,_v1,ptbid,d1u1,d1v1);
+ norm1 = d1u1.Crossed(d1v1);
+ Surf2->D1(_u2,_v2,ptbid,d1u2,d1v2);
+ norm2 = d1u2.Crossed(d1v2);
+
+ thesegm.Curve()->D1(paramf,_p2d,_d2d);
+ if(reversed) {
+ tgline.SetLinearForm(_d2d.X(),d1u1,_d2d.Y(),d1v1);
+ }
+ else {
+ tgline.SetLinearForm(_d2d.X(),d1u2,_d2d.Y(),d1v2);
+ }
+ _u1=tgline.DotCross(norm2,norm1);
+ TransitionOK=Standard_True;
+ if (_u1 > 0.00000001) {
+ trans1 = IntSurf_Out;
+ trans2 = IntSurf_In;
+ }
+ else if(_u1 < -0.00000001) {
+ trans1 = IntSurf_In;
+ trans2 = IntSurf_Out;
+ }
+ else {
+ TransitionOK=Standard_False;
+ }
}
if(thesegm.HasLastPoint()) {
- Standard_Real _u1,_v1,_u2,_v2;
-
- dolast = Standard_True;
- PStartl = thesegm.LastPoint();
- paraml = PStartl.Parameter();
-
- gp_Pnt2d _p2d = thesegm.Curve()->Value(paraml);
- Handle(Adaptor3d_HVertex) _vtx;
- if(PStartl.IsNew()==Standard_False)
- _vtx = PStartl.Vertex();
- const gp_Pnt& _Pp = PStartl.Value();
- IntPatch_Point _thepoint;
- _thepointAtEnd.SetValue(_Pp,PStartl.Tolerance(),Standard_False);
- if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
- Quad.Parameters(_Pp,_u1,_v1);
- _u2=_p2d.X(); _v2=_p2d.Y();
- }
- else { //-- typeS1 != Pln && Cyl && Sph && Cone
- Quad.Parameters(_Pp,_u2,_v2);
- _u1=_p2d.X(); _v1=_p2d.Y();
- }
- _thepointAtEnd.SetParameters(_u1,_v1,_u2,_v2);
- _thepointAtEnd.SetParameter(paraml);
- if(PStartl.IsNew()==Standard_False)
- _thepointAtEnd.SetVertex(reversed,_vtx);
- _thepointAtEnd.SetArc(reversed,thesegm.Curve(),paraml,TLineUnk,TArcUnk);
-
-
-
- gp_Vec d1u1,d1v1,d1u2,d1v2; gp_Vec2d _d2d;
- Surf1->D1(_u1,_v1,ptbid,d1u1,d1v1);
- norm1 = d1u1.Crossed(d1v1);
- Surf2->D1(_u2,_v2,ptbid,d1u2,d1v2);
- norm2 = d1u2.Crossed(d1v2);
-
- thesegm.Curve()->D1(paraml,_p2d,_d2d);
- if(reversed) {
- tgline.SetLinearForm(_d2d.X(),d1u1,_d2d.Y(),d1v1);
- }
- else {
- tgline.SetLinearForm(_d2d.X(),d1u2,_d2d.Y(),d1v2);
- }
- _u1=tgline.DotCross(norm2,norm1);
- TransitionOK=Standard_True;
- if (_u1 > 0.00000001) {
- trans1 = IntSurf_Out;
- trans2 = IntSurf_In;
- }
- else if(_u1 < -0.00000001) {
- trans1 = IntSurf_In;
- trans2 = IntSurf_Out;
- }
- else {
- TransitionOK=Standard_False;
- }
+ Standard_Real _u1,_v1,_u2,_v2;
+
+ dolast = Standard_True;
+ PStartl = thesegm.LastPoint();
+ paraml = PStartl.Parameter();
+
+ gp_Pnt2d _p2d = thesegm.Curve()->Value(paraml);
+ Handle(Adaptor3d_HVertex) _vtx;
+ if(PStartl.IsNew()==Standard_False)
+ _vtx = PStartl.Vertex();
+ const gp_Pnt& _Pp = PStartl.Value();
+ IntPatch_Point _thepoint;
+ _thepointAtEnd.SetValue(_Pp,PStartl.Tolerance(),Standard_False);
+ if (!reversed) { //-- typeS1 = Pln || Cyl || Sph || Cone
+ Quad.Parameters(_Pp,_u1,_v1);
+ _u2=_p2d.X(); _v2=_p2d.Y();
+ }
+ else { //-- typeS1 != Pln && Cyl && Sph && Cone
+ Quad.Parameters(_Pp,_u2,_v2);
+ _u1=_p2d.X(); _v1=_p2d.Y();
+ }
+ _thepointAtEnd.SetParameters(_u1,_v1,_u2,_v2);
+ _thepointAtEnd.SetParameter(paraml);
+ if(PStartl.IsNew()==Standard_False)
+ _thepointAtEnd.SetVertex(reversed,_vtx);
+ _thepointAtEnd.SetArc(reversed,thesegm.Curve(),paraml,TLineUnk,TArcUnk);
+
+
+
+ gp_Vec d1u1,d1v1,d1u2,d1v2; gp_Vec2d _d2d;
+ Surf1->D1(_u1,_v1,ptbid,d1u1,d1v1);
+ norm1 = d1u1.Crossed(d1v1);
+ Surf2->D1(_u2,_v2,ptbid,d1u2,d1v2);
+ norm2 = d1u2.Crossed(d1v2);
+
+ thesegm.Curve()->D1(paraml,_p2d,_d2d);
+ if(reversed) {
+ tgline.SetLinearForm(_d2d.X(),d1u1,_d2d.Y(),d1v1);
+ }
+ else {
+ tgline.SetLinearForm(_d2d.X(),d1u2,_d2d.Y(),d1v2);
+ }
+ _u1=tgline.DotCross(norm2,norm1);
+ TransitionOK=Standard_True;
+ if (_u1 > 0.00000001) {
+ trans1 = IntSurf_Out;
+ trans2 = IntSurf_In;
+ }
+ else if(_u1 < -0.00000001) {
+ trans1 = IntSurf_In;
+ trans2 = IntSurf_Out;
+ }
+ else {
+ TransitionOK=Standard_False;
+ }
}
if(TransitionOK==Standard_False) {
- //-- rline = new IntPatch_RLine (thesegm.Curve(),reversed,Standard_False);
- rline = new IntPatch_RLine (Standard_False);
- if(reversed) {
- rline->SetArcOnS1(thesegm.Curve());
- }
- else {
- rline->SetArcOnS2(thesegm.Curve());
- }
+ //-- rline = new IntPatch_RLine (thesegm.Curve(),reversed,Standard_False);
+ rline = new IntPatch_RLine (Standard_False);
+ if(reversed) {
+ rline->SetArcOnS1(thesegm.Curve());
+ }
+ else {
+ rline->SetArcOnS2(thesegm.Curve());
+ }
}
else {
- //-- rline = new IntPatch_RLine (thesegm.Curve(),reversed,Standard_False,trans1,trans2);
- rline = new IntPatch_RLine (Standard_False,trans1,trans2);
- if(reversed) {
- rline->SetArcOnS1(thesegm.Curve());
- }
- else {
- rline->SetArcOnS2(thesegm.Curve());
- }
+ //-- rline = new IntPatch_RLine (thesegm.Curve(),reversed,Standard_False,trans1,trans2);
+ rline = new IntPatch_RLine (Standard_False,trans1,trans2);
+ if(reversed) {
+ rline->SetArcOnS1(thesegm.Curve());
+ }
+ else {
+ rline->SetArcOnS2(thesegm.Curve());
+ }
}
//------------------------------
//-- Ajout des points
//--
if (thesegm.HasFirstPoint()) {
- rline->AddVertex(_thepointAtBeg);
- rline->SetFirstPoint(rline->NbVertex());
+ rline->AddVertex(_thepointAtBeg);
+ rline->SetFirstPoint(rline->NbVertex());
}
-
+
if (thesegm.HasLastPoint()) {
- rline->AddVertex(_thepointAtEnd);
- rline->SetLastPoint(rline->NbVertex());
+ rline->AddVertex(_thepointAtEnd);
+ rline->SetLastPoint(rline->NbVertex());
}
// Polygone sur restriction solution
if (dofirst && dolast) {
- Standard_Real prm;
- gp_Pnt ptpoly;
- IntSurf_PntOn2S p2s;
- Handle(IntSurf_LineOn2S) Thelin = new IntSurf_LineOn2S ();
- Handle(Adaptor2d_HCurve2d) arcsegm = thesegm.Curve();
- Standard_Integer nbsample = 100;
-
- if (!reversed) {
- for (j=1; j<=nbsample; j++) {
- prm = paramf + (j-1)*(paraml-paramf)/(nbsample-1);
- arcsegm->D0(prm,p2d);
- Surf2->D0(p2d.X(),p2d.Y(),ptpoly);
-
- Quad.Parameters(ptpoly,U1,V1);
- p2s.SetValue(ptpoly,U1,V1,p2d.X(),p2d.Y());
- Thelin->Add(p2s);
- }
- }
- else {
- for (j=1; j<=nbsample; j++) {
- prm = paramf + (j-1)*(paraml-paramf)/(nbsample-1);
- arcsegm->D0(prm,p2d);
- Surf1->D0(p2d.X(),p2d.Y(),ptpoly);
-
- Quad.Parameters(ptpoly,U2,V2);
- p2s.SetValue(ptpoly,p2d.X(),p2d.Y(),U2,V2);
- Thelin->Add(p2s);
- }
- }
- rline->Add(Thelin);
+ Standard_Real prm;
+ gp_Pnt ptpoly;
+ IntSurf_PntOn2S p2s;
+ Handle(IntSurf_LineOn2S) Thelin = new IntSurf_LineOn2S ();
+ Handle(Adaptor2d_HCurve2d) arcsegm = thesegm.Curve();
+ Standard_Integer nbsample = 100;
+
+ if (!reversed) {
+ for (Standard_Integer j=1; j<=nbsample; j++) {
+ prm = paramf + (j-1)*(paraml-paramf)/(nbsample-1);
+ arcsegm->D0(prm,p2d);
+ Surf2->D0(p2d.X(),p2d.Y(),ptpoly);
+
+ Quad.Parameters(ptpoly,U1,V1);
+ p2s.SetValue(ptpoly,U1,V1,p2d.X(),p2d.Y());
+ Thelin->Add(p2s);
+ }
+ }
+ else {
+ for (Standard_Integer j=1; j<=nbsample; j++) {
+ prm = paramf + (j-1)*(paraml-paramf)/(nbsample-1);
+ arcsegm->D0(prm,p2d);
+ Surf1->D0(p2d.X(),p2d.Y(),ptpoly);
+
+ Quad.Parameters(ptpoly,U2,V2);
+ p2s.SetValue(ptpoly,p2d.X(),p2d.Y(),U2,V2);
+ Thelin->Add(p2s);
+ }
+ }
+ rline->Add(Thelin);
}
if (dofirst || dolast) {
- Nblines = slin.Length();
- for (j=1; j<=Nblines; j++) {
- const Handle(IntPatch_Line)& slinj = slin(j);
- typ = slinj->ArcType();
- if (typ == IntPatch_Walking) {
- Nbpts = (*((Handle(IntPatch_WLine)*)&slinj))->NbVertex();
- }
- else {
- Nbpts = (*((Handle(IntPatch_RLine)*)&slinj))->NbVertex();
- }
- for (k=1; k<=Nbpts;k++) {
- if (typ == IntPatch_Walking) {
- ptdeb = (*((Handle(IntPatch_WLine)*)&slinj))->Vertex(k);
- }
- else {
- ptdeb = (*((Handle(IntPatch_RLine)*)&slinj))->Vertex(k);
- }
- if (dofirst) {
-
- if (ptdeb.Value().Distance(PStartf.Value()) <=TolArc) {
- ptdeb.SetMultiple(Standard_True);
- if (typ == IntPatch_Walking) {
- (*((Handle(IntPatch_WLine)*)&slinj))->Replace(k,ptdeb);
- }
- else {
- (*((Handle(IntPatch_RLine)*)&slinj))->Replace(k,ptdeb);
- }
- ptdeb.SetParameter(paramf);
- rline->AddVertex(ptdeb);
- if (!procf){
- procf=Standard_True;
- rline->SetFirstPoint(rline->NbVertex());
- }
- }
- }
- if (dolast) {
- if(dofirst) { //-- on recharge le ptdeb
- if (typ == IntPatch_Walking) {
- ptdeb = (*((Handle(IntPatch_WLine)*)&slinj))->Vertex(k);
- }
- else {
- ptdeb = (*((Handle(IntPatch_RLine)*)&slinj))->Vertex(k);
- }
- }
- if (ptdeb.Value().Distance(PStartl.Value()) <=TolArc) {
- ptdeb.SetMultiple(Standard_True);
- if (typ == IntPatch_Walking) {
- (*((Handle(IntPatch_WLine)*)&slinj))->Replace(k,ptdeb);
- }
- else {
- (*((Handle(IntPatch_RLine)*)&slinj))->Replace(k,ptdeb);
- }
- ptdeb.SetParameter(paraml);
- rline->AddVertex(ptdeb);
- if (!procl){
- procl=Standard_True;
- rline->SetLastPoint(rline->NbVertex());
- }
- }
- }
- }
- }
+ Nblines = slin.Length();
+ for (Standard_Integer j=1; j<=Nblines; j++) {
+ const Handle(IntPatch_Line)& slinj = slin(j);
+ typ = slinj->ArcType();
+ if (typ == IntPatch_Walking) {
+ Nbpts = Handle(IntPatch_WLine)::DownCast (slinj)->NbVertex();
+ }
+ else {
+ Nbpts = Handle(IntPatch_RLine)::DownCast (slinj)->NbVertex();
+ }
+ for (Standard_Integer k=1; k<=Nbpts;k++) {
+ if (typ == IntPatch_Walking) {
+ ptdeb = Handle(IntPatch_WLine)::DownCast (slinj)->Vertex(k);
+ }
+ else {
+ ptdeb = Handle(IntPatch_RLine)::DownCast (slinj)->Vertex(k);
+ }
+ if (dofirst) {
+
+ if (ptdeb.Value().Distance(PStartf.Value()) <=TolArc) {
+ ptdeb.SetMultiple(Standard_True);
+ if (typ == IntPatch_Walking) {
+ Handle(IntPatch_WLine)::DownCast (slinj)->Replace(k,ptdeb);
+ }
+ else {
+ Handle(IntPatch_RLine)::DownCast (slinj)->Replace(k,ptdeb);
+ }
+ ptdeb.SetParameter(paramf);
+ rline->AddVertex(ptdeb);
+ if (!procf){
+ procf=Standard_True;
+ rline->SetFirstPoint(rline->NbVertex());
+ }
+ }
+ }
+ if (dolast) {
+ if(dofirst) { //-- on recharge le ptdeb
+ if (typ == IntPatch_Walking) {
+ ptdeb = Handle(IntPatch_WLine)::DownCast (slinj)->Vertex(k);
+ }
+ else {
+ ptdeb = Handle(IntPatch_RLine)::DownCast (slinj)->Vertex(k);
+ }
+ }
+ if (ptdeb.Value().Distance(PStartl.Value()) <=TolArc) {
+ ptdeb.SetMultiple(Standard_True);
+ if (typ == IntPatch_Walking) {
+ Handle(IntPatch_WLine)::DownCast (slinj)->Replace(k,ptdeb);
+ }
+ else {
+ Handle(IntPatch_RLine)::DownCast (slinj)->Replace(k,ptdeb);
+ }
+ ptdeb.SetParameter(paraml);
+ rline->AddVertex(ptdeb);
+ if (!procl){
+ procl=Standard_True;
+ rline->SetLastPoint(rline->NbVertex());
+ }
+ }
+ }
+ }
+ }
}
slin.Append(rline);
}
}// if (NbSegm)
//
// on traite les restrictions de la surface implicite
- for (i=1; i<=slin.Length(); i++)
+
+ for (Standard_Integer i=1, aNbLin = slin.Length(); i<=aNbLin; i++)
{
+ Handle(IntPatch_Line)& aL = slin(i);
+
if (!reversed)
- IntPatch_RstInt::PutVertexOnLine(slin(i),Surf1,D1,Surf2,Standard_True,TolTang);
+ IntPatch_RstInt::PutVertexOnLine(aL,Surf1,D1,Surf2,Standard_True,TolTang);
else
- IntPatch_RstInt::PutVertexOnLine(slin(i),Surf2,D2,Surf1,Standard_False,TolTang);
+ IntPatch_RstInt::PutVertexOnLine(aL,Surf2,D2,Surf1,Standard_False,TolTang);
+
+ if(aL->ArcType() == IntPatch_Walking)
+ {
+ const Handle(IntPatch_WLine) aWL = Handle(IntPatch_WLine)::DownCast(aL);
+ slin.Append(aWL);
+ slin.Remove(i);
+ i--;
+ aNbLin--;
+ }
}
- empt = (slin.Length() == 0 && spnt.Length() == 0);
- done = Standard_True;
- //
- // post processing for cones and spheres
- if((Quad.TypeQuadric() == GeomAbs_Cone ||
- Quad.TypeQuadric() == GeomAbs_Sphere) &&
- slin.Length()) {
- Handle(Adaptor3d_TopolTool) PDomain = (reversed) ? D1 : D2;
- Handle(Adaptor3d_HSurface) QSurf = (reversed) ? Surf2 : Surf1;
+ // Now slin is filled as follows: lower indices correspond to Restriction line,
+ // after (higher indices) - only Walking-line.
- IntPatch_SequenceOfLine dslin;
- for(i = 1; i <= slin.Length(); i++ )
- DecomposeResult(slin(i),reversed,Quad,PDomain,QSurf,TolArc,dslin);
+ const Standard_Real aUPeriodOfSurf1 = Surf1->IsUPeriodic() ? Surf1->UPeriod() : 0.0,
+ aUPeriodOfSurf2 = Surf2->IsUPeriodic() ? Surf2->UPeriod() : 0.0,
+ aVPeriodOfSurf1 = Surf1->IsVPeriodic() ? Surf1->VPeriod() : 0.0,
+ aVPeriodOfSurf2 = Surf2->IsVPeriodic() ? Surf2->VPeriod() : 0.0;
- slin.Clear();
- for(i = 1; i <= dslin.Length(); i++ )
- slin.Append(dslin(i));
- }
-}
+ for (Standard_Integer i = 1; i <= slin.Length(); i++)
+ {
+ //BndBox of the points in Restriction line
+ Bnd_Box2d aBRL;
+ for(Standard_Integer j = i + 1; j <= slin.Length(); j++)
+ {
+ Handle(IntPatch_PointLine) aL1 = Handle(IntPatch_PointLine)::DownCast(slin(i));
+ Handle(IntPatch_PointLine) aL2 = Handle(IntPatch_PointLine)::DownCast(slin(j));
+
+ Handle(IntPatch_RLine) aRL1 = Handle(IntPatch_RLine)::DownCast(aL1);
+ Handle(IntPatch_RLine) aRL2 = Handle(IntPatch_RLine)::DownCast(aL2);
+
+ if(aRL1.IsNull())
+ {//If Walking-Walking
+ continue;
+ }
-//==================================================================
-// Decomposition of WLine goes through seam and/or apex routines
-//==================================================================
+ //Here aL1 (i-th line) is Restriction-line and aL2 (j-th line) is
+ //Restriction or Walking
-// reject all points and vertices not in V range on Quadric
-static Handle(IntSurf_LineOn2S) VSplitLine(Handle(IntSurf_LineOn2S)& Line,
- Standard_Boolean IsReversed,
- Handle(Adaptor3d_HSurface)& QSurf,
- Handle(IntSurf_LineOn2S)& Vertices)
-{
- Handle(IntSurf_LineOn2S) line = new IntSurf_LineOn2S();
+ if(aBRL.IsVoid())
+ {//Fill aBRL
+ for(Standard_Integer aPRID = 1; aPRID <= aRL1->NbPnts(); aPRID++)
+ {
+ Standard_Real u = 0.0, v = 0.0;
+ if(reversed)
+ aRL1->Point(aPRID).ParametersOnS1(u, v);
+ else
+ aRL1->Point(aPRID).ParametersOnS2(u, v);
- Standard_Real VF = QSurf->FirstVParameter();
- Standard_Real VL = QSurf->LastVParameter();
+ aBRL.Add(gp_Pnt2d(u, v));
+ }
- Standard_Integer i = 0;
- Standard_Real U = 0., V = 0.;
+ Standard_Real aXmin = 0.0, aYmin = 0.0, aXMax = 0.0, aYMax = 0.0;
+ aBRL.Get(aXmin, aYmin, aXMax, aYMax);
+ const Standard_Real aDX = aXMax - aXmin,
+ aDY = aYMax - aYmin;
- for(i = 1; i <= Line->NbPoints(); i++) {
+ const Standard_Real aTolU = reversed? Surf1->UResolution(TolArc) : Surf2->UResolution(TolArc);
+ const Standard_Real aTolV = reversed? Surf1->VResolution(TolArc) : Surf2->VResolution(TolArc);
- const IntSurf_PntOn2S& aP = Line->Value(i);
- if(IsReversed)
- aP.ParametersOnS2(U,V); // S2 - quadric
- else
- aP.ParametersOnS1(U,V); // S1 - quadric
+ if((aDX > aTolU) && (aDY > aTolV))
+ {//Delete restriction line because it is not isoline.
+ slin.Remove(i);
+ i--;
+ break;
+ }
+
+ aXmin -= aTolU;
+ aXMax += aTolU;
+ aYmin -= aTolV;
+ aYMax += aTolV;
+ aBRL.SetVoid();
+ aBRL.Update(aXmin, aYmin, aXMax, aYMax);
+ }
- if(VF <= V && V <= VL)
- line->Add(aP);
+ const Standard_Boolean isCoincide = IsIn2DBox(aBRL, aL2,
+ (reversed? aUPeriodOfSurf1 : aUPeriodOfSurf2),
+ (reversed? aVPeriodOfSurf1 : aVPeriodOfSurf2), reversed);
+
+ if(isCoincide)
+ {//Delete Walking-line
+ slin.Remove(j);
+ j--;
+ }
+ }
}
- Standard_Boolean isDeleted = Standard_True;
- Standard_Integer k = 0;
- while(isDeleted) {
-
- isDeleted = Standard_False;
- k = 0;
+ empt = (slin.Length() == 0 && spnt.Length() == 0);
+ done = Standard_True;
- for(i = 1; i <= Vertices->NbPoints(); i++) {
- const IntSurf_PntOn2S& aV = Vertices->Value(i);
- if(IsReversed)
- aV.ParametersOnS2(U,V); // S2 - quadric
- else
- aV.ParametersOnS1(U,V); // S1 - quadric
+ if(slin.Length() == 0)
+ return;
- if(VF <= V && V <= VL)
- continue;
- else {
- k = i;
- break;
- }
- }
+ Standard_Boolean isDecomposeRequired = (Quad.TypeQuadric() == GeomAbs_Cone) ||
+ (Quad.TypeQuadric() == GeomAbs_Sphere);
+
+ if(!isDecomposeRequired)
+ return;
+
+ // post processing for cones and spheres
- if(k != 0) {
- isDeleted = Standard_True;
- Vertices->RemovePoint(k);
+ const Handle(Adaptor3d_TopolTool)& PDomain = (reversed) ? D1 : D2;
+ const Handle(Adaptor3d_HSurface)& aQSurf = (reversed) ? Surf2 : Surf1;
+ const Handle(Adaptor3d_HSurface)& anOtherSurf = (reversed) ? Surf1 : Surf2;
+
+ IntPatch_SequenceOfLine dslin;
+ Standard_Boolean isDecompose = Standard_False;
+ for(Standard_Integer i = 1; i <= slin.Length(); i++ )
+ {
+ if(DecomposeResult(slin(i),reversed,Quad,PDomain,aQSurf, anOtherSurf, TolArc,dslin))
+ {
+ isDecompose = Standard_True;
}
- else
- break;
}
- return line;
+ if(!isDecompose)
+ return;
+
+ slin.Clear();
+ for(Standard_Integer i = 1; i <= dslin.Length(); i++ )
+ slin.Append(dslin(i));
}
// correct U parameter of the start point of line on Quadric
else {
Standard_Real uu = U2;
if( U2 > (2.*M_PI) )
- while( uu > (2.*M_PI) )
- uu -= (2.*M_PI);
+ while( uu > (2.*M_PI) )
+ uu -= (2.*M_PI);
else
- while( uu < 0.)
- uu += (2.*M_PI);
-
+ while( uu < 0.)
+ uu += (2.*M_PI);
+
u = ( uu < ((2.*M_PI)-uu) ) ? 0. : (2.*M_PI);
}
}
else {
Standard_Real uu = U2;
if( U2 > (2.*M_PI) )
- while( uu > (2.*M_PI) )
- uu -= (2.*M_PI);
+ while( uu > (2.*M_PI) )
+ uu -= (2.*M_PI);
else
- while( uu < 0.)
- uu += (2.*M_PI);
-
+ while( uu < 0.)
+ uu += (2.*M_PI);
+
u = ( uu < ((2.*M_PI)-uu) ) ? 0. : (2.*M_PI);
}
}
else {
if(U1 < 0.)
while(u < 0.)
- u += 2.*M_PI;
+ u += 2.*M_PI;
if(U1 > (2.*M_PI))
while(u > (2.*M_PI))
- u -= (2.*M_PI);
+ u -= (2.*M_PI);
}
return u;
// collect vertices, reject equals
static Handle(IntSurf_LineOn2S) GetVertices(const Handle(IntPatch_WLine)& WLine,
- const Standard_Boolean ,//IsReversed,
- const Standard_Real TOL3D,
- const Standard_Real TOL2D)
+ const Standard_Real TOL3D,
+ const Standard_Real TOL2D)
{
-// Standard_Real TOL3D = 1.e-12, TOL2D = 1.e-8;
+ // Standard_Real TOL3D = 1.e-12, TOL2D = 1.e-8;
Handle(IntSurf_LineOn2S) vertices = new IntSurf_LineOn2S();
Standard_Real U1 = 0., U2 = 0., V1 = 0., V2 = 0.;
Standard_Integer i = 0, k = 0;
Standard_Integer NbVrt = WLine->NbVertex();
-
+
TColStd_Array1OfInteger anVrts(1,NbVrt);
anVrts.Init(0);
const IntPatch_Point& Pk = WLine->Vertex(k);
if(Pi.Value().Distance(Pk.Value()) <= TOL3D) {
- // suggest the points are equal;
- // test 2d parameters on surface
- Standard_Boolean sameU1 = Standard_False;
- Standard_Boolean sameV1 = Standard_False;
- Standard_Boolean sameU2 = Standard_False;
- Standard_Boolean sameV2 = Standard_False;
-
- Pi.ParametersOnS1(U1,V1);
- Pk.ParametersOnS1(U2,V2);
- if(fabs(U1-U2) <= TOL2D) sameU1 = Standard_True;
- if(fabs(V1-V2) <= TOL2D) sameV1 = Standard_True;
-
- Pi.ParametersOnS2(U1,V1);
- Pk.ParametersOnS2(U2,V2);
- if(fabs(U1-U2) <= TOL2D) sameU2 = Standard_True;
- if(fabs(V1-V2) <= TOL2D) sameV2 = Standard_True;
-
- if((sameU1 && sameV1) && (sameU2 && sameV2))
- anVrts(k) = -1;
+ // suggest the points are equal;
+ // test 2d parameters on surface
+ Standard_Boolean sameU1 = Standard_False;
+ Standard_Boolean sameV1 = Standard_False;
+ Standard_Boolean sameU2 = Standard_False;
+ Standard_Boolean sameV2 = Standard_False;
+
+ Pi.ParametersOnS1(U1,V1);
+ Pk.ParametersOnS1(U2,V2);
+ if(fabs(U1-U2) <= TOL2D) sameU1 = Standard_True;
+ if(fabs(V1-V2) <= TOL2D) sameV1 = Standard_True;
+
+ Pi.ParametersOnS2(U1,V1);
+ Pk.ParametersOnS2(U2,V2);
+ if(fabs(U1-U2) <= TOL2D) sameU2 = Standard_True;
+ if(fabs(V1-V2) <= TOL2D) sameV2 = Standard_True;
+
+ if((sameU1 && sameV1) && (sameU2 && sameV2))
+ anVrts(k) = -1;
}
}
}
}
static Standard_Boolean AreSamePoints(const IntSurf_PntOn2S& P1,
- const IntSurf_PntOn2S& P2)
+ const IntSurf_PntOn2S& P2)
{
Standard_Boolean result = Standard_False;
Standard_Real T2D = 1.e-9, T3D = 1.e-8;
return result;
}
-static void ForcedPurgePoints(Handle(IntSurf_LineOn2S)& Result,
- Standard_Boolean IsReversed,
- IntSurf_Quadric& Quad)
-{
- if(Result->NbPoints() <= 30) return;
- Standard_Integer Index = 0, IndexLimF = 8, IndexLimL = 8;
-
- Standard_Real U1 = 0., V1 = 0., U2 = 0., V2 = 0.;
- if(IsReversed) {
- Result->Value(1).ParametersOnS2(U1,V1);
- Result->Value(Result->NbPoints()).ParametersOnS2(U2,V2);
- }
- else {
- Result->Value(1).ParametersOnS1(U1,V1);
- Result->Value(Result->NbPoints()).ParametersOnS1(U2,V2);
- }
-
- if(Quad.TypeQuadric() == GeomAbs_Cone) {
- Standard_Real Uapx = 0., Vapx = 0.;
- Quad.Parameters(Quad.Cone().Apex(),Uapx,Vapx);
-
- if(fabs(V1-Vapx) <= 1.e-3)
- IndexLimF = 12;
- if(fabs(V2-Vapx) <= 1.e-3)
- IndexLimL = 12;
- }
-
- if(Quad.TypeQuadric() == GeomAbs_Sphere) {
- Standard_Real Vapx1 = M_PI/2., Vapx2 = -M_PI/2.;
-
- if(fabs(V1-Vapx1) <= 1.e-3 || fabs(V1-Vapx2) <= 1.e-3)
- IndexLimF = 12;
- if(fabs(V2-Vapx1) <= 1.e-3 || fabs(V2-Vapx2) <= 1.e-3)
- IndexLimL = 12;
- }
-
- while(Result->NbPoints() > 2 && Index < IndexLimF) {
- Result->RemovePoint(2);
- Index++;
- }
- Index = 0;
- while(Result->NbPoints() > 2 && Index < IndexLimL) {
- Result->RemovePoint(Result->NbPoints()-1);
- Index++;
- }
-}
-
-// DEBUG FUNCTION !!!
-#if 0
-static void DumpLine(Handle(IntSurf_LineOn2S)& Line,
- Standard_Boolean IsReversed,
- Standard_Integer Number)
-{
- cout << "DUMP LINE" << endl;
- Standard_Integer i;
- Standard_Real U,V;
- for(i = 1; i <= Line->NbPoints(); i++) {
- if(i <= Number || i >= (Line->NbPoints()-Number)) {
- if(IsReversed)
- Line->Value(i).ParametersOnS2(U,V); // S2 - quadric
- else
- Line->Value(i).ParametersOnS1(U,V); // S1 - quadric
- cout << "point p" << i << " " << U << " " << V << endl;
- }
- }
- cout << endl;
-}
-#endif
-// DEBUG FUNCTION !!!
-
static void SearchVertices(const Handle(IntSurf_LineOn2S)& Line,
- const Handle(IntSurf_LineOn2S)& Vertices,
- TColStd_Array1OfInteger& PTypes)
+ const Handle(IntSurf_LineOn2S)& Vertices,
+ TColStd_Array1OfInteger& PTypes)
{
Standard_Integer nbp = Line->NbPoints(), nbv = Vertices->NbPoints();
Standard_Integer ip = 0, iv = 0;
for(iv = 1; iv <= nbv; iv++) {
const IntSurf_PntOn2S& aV = Vertices->Value(iv);
if(AreSamePoints(aP,aV)) {
- type = iv;
- break;
+ type = iv;
+ break;
}
}
PTypes(ip) = type;
}
static inline Standard_Boolean IsSeamParameter(const Standard_Real U,
- const Standard_Real TOL2D)
+ const Standard_Real TOL2D)
{
return (fabs(U) <= TOL2D || fabs(2.*M_PI - U) <= TOL2D);
}
if(u < 0. || u > DBLPI) {
if(u < 0.)
while(u < 0.)
- u += DBLPI;
+ u += DBLPI;
else
while(u > DBLPI)
- u -= DBLPI;
+ u -= DBLPI;
}
return u;
}
static inline void Correct2DBounds(const Standard_Real UF,
- const Standard_Real UL,
- const Standard_Real VF,
- const Standard_Real VL,
- const Standard_Real TOL2D,
- Standard_Real& U,
- Standard_Real& V)
+ const Standard_Real UL,
+ const Standard_Real VF,
+ const Standard_Real VL,
+ const Standard_Real TOL2D,
+ Standard_Real& U,
+ Standard_Real& V)
{
Standard_Real Eps = 1.e-16;
Standard_Real dUF = fabs(U - UF);
}
static void AdjustLine(Handle(IntSurf_LineOn2S)& Line,
- const Standard_Boolean IsReversed,
- const Handle(Adaptor3d_HSurface)& QSurf,
- const Standard_Real TOL2D)
+ const Standard_Boolean IsReversed,
+ const Handle(Adaptor3d_HSurface)& QSurf,
+ const Standard_Real TOL2D)
{
Standard_Real VF = QSurf->FirstVParameter();
Standard_Real VL = QSurf->LastVParameter();
}
static Standard_Boolean InsertSeamVertices(Handle(IntSurf_LineOn2S)& Line,
- const Standard_Boolean IsReversed,
- Handle(IntSurf_LineOn2S)& Vertices,
- const TColStd_Array1OfInteger& PTypes,
- const Standard_Real TOL2D)
+ const Standard_Boolean IsReversed,
+ Handle(IntSurf_LineOn2S)& Vertices,
+ const TColStd_Array1OfInteger& PTypes,
+ const Standard_Real TOL2D)
{
Standard_Boolean result = Standard_False;
Standard_Integer ip = 0, nbp = Line->NbPoints();
if(ipt != 0) {
const IntSurf_PntOn2S& aP = Line->Value(ip);
if(IsReversed)
- aP.ParametersOnS2(U,V); // S2 - quadric
+ aP.ParametersOnS2(U,V); // S2 - quadric
else
- aP.ParametersOnS1(U,V); // S1 - quadric
+ aP.ParametersOnS1(U,V); // S1 - quadric
U = AdjustU(U);
if(IsSeamParameter(U,TOL2D)) {
- if(ip == 1 || ip == nbp) {
- Standard_Real U1 = 0., V1 = 0.;
- Standard_Integer ipp = (ip == 1) ? (ip+1) : (ip-1);
- if(IsReversed)
- Line->Value(ipp).ParametersOnS2(U1,V1); // S2 - quadric
- else
- Line->Value(ipp).ParametersOnS1(U1,V1); // S1 - quadric
- Standard_Real u = AdjustUFirst(U,U1);
- if(fabs(u-U) >= 1.5*M_PI) {
- Standard_Real U2 = 0., V2 = 0.;
- if(IsReversed) {
- Line->Value(ip).ParametersOnS1(U2,V2); // prm
- Line->SetUV(ip,Standard_False,u,V);
- Line->SetUV(ip,Standard_True,U2,V2);
- }
- else {
- Line->Value(ip).ParametersOnS2(U2,V2); // prm
- Line->SetUV(ip,Standard_True,u,V);
- Line->SetUV(ip,Standard_False,U2,V2);
- }
- }
- }
- else {
- Standard_Integer ipp = ip - 1;
- Standard_Integer ipn = ip + 1;
- Standard_Real U1 = 0., V1 = 0., U2 = 0., V2 = 0.;
- if(IsReversed) {
- Line->Value(ipp).ParametersOnS2(U1,V1); // quad
- Line->Value(ipn).ParametersOnS2(U2,V2); // quad
- }
- else {
- Line->Value(ipp).ParametersOnS1(U1,V1); // quad
- Line->Value(ipn).ParametersOnS1(U2,V2); // quad
- }
- U1 = AdjustU(U1);
- U2 = AdjustU(U2);
- Standard_Boolean pnearZero = (fabs(U1) < fabs(2.*M_PI-U1)) ? Standard_True : Standard_False;
- Standard_Boolean cnearZero = (fabs(U) < fabs(2.*M_PI-U)) ? Standard_True : Standard_False;
- if(pnearZero == cnearZero) {
- if(!IsSeamParameter(U2,TOL2D) && !IsSeamParameter(U1,TOL2D)) {
- Standard_Real nU = (cnearZero) ? (2.*M_PI) : 0.;
- IntSurf_PntOn2S nP;
- nP.SetValue(aP.Value());
- Standard_Real U3 = 0., V3 = 0.;
- if(IsReversed) {
- Line->Value(ip).ParametersOnS1(U3,V3); // prm
- nP.SetValue(Standard_False,nU,V);
- nP.SetValue(Standard_True,U3,V3);
- }
- else {
- Line->Value(ip).ParametersOnS2(U3,V3); // prm
- nP.SetValue(Standard_True,nU,V);
- nP.SetValue(Standard_False,U3,V3);
- }
- Line->InsertBefore(ipn,nP);
- Vertices->Add(nP);
- result = Standard_True;
- break;
- }
- }
- else {
- if(!IsSeamParameter(U2,TOL2D) && !IsSeamParameter(U1,TOL2D)) {
- Standard_Real nU = (cnearZero) ? (2.*M_PI) : 0.;
- IntSurf_PntOn2S nP;
- nP.SetValue(aP.Value());
- Standard_Real U3 = 0., V3 = 0.;
- if(IsReversed) {
- Line->Value(ip).ParametersOnS1(U3,V3); // prm
- nP.SetValue(Standard_False,nU,V);
- nP.SetValue(Standard_True,U3,V3);
- }
- else {
- Line->Value(ip).ParametersOnS2(U3,V3); // prm
- nP.SetValue(Standard_True,nU,V);
- nP.SetValue(Standard_False,U3,V3);
- }
- Line->InsertBefore(ip,nP);
- Vertices->Add(nP);
- result = Standard_True;
- break;
- }
- else {
-// Line->InsertBefore(ip,Line->Value(ipn));
-// Line->RemovePoint(ip+2);
-// result = Standard_True;
-// cout << "swap vertex " << endl;
-// break;
- }
- }
- }
+ if(ip == 1 || ip == nbp) {
+ Standard_Real U1 = 0., V1 = 0.;
+ Standard_Integer ipp = (ip == 1) ? (ip+1) : (ip-1);
+ if(IsReversed)
+ Line->Value(ipp).ParametersOnS2(U1,V1); // S2 - quadric
+ else
+ Line->Value(ipp).ParametersOnS1(U1,V1); // S1 - quadric
+ Standard_Real u = AdjustUFirst(U,U1);
+ if(fabs(u-U) >= 1.5*M_PI) {
+ Standard_Real U2 = 0., V2 = 0.;
+ if(IsReversed) {
+ Line->Value(ip).ParametersOnS1(U2,V2); // prm
+ Line->SetUV(ip,Standard_False,u,V);
+ Line->SetUV(ip,Standard_True,U2,V2);
+ }
+ else {
+ Line->Value(ip).ParametersOnS2(U2,V2); // prm
+ Line->SetUV(ip,Standard_True,u,V);
+ Line->SetUV(ip,Standard_False,U2,V2);
+ }
+ }
+ }
+ else {
+ Standard_Integer ipp = ip - 1;
+ Standard_Integer ipn = ip + 1;
+ Standard_Real U1 = 0., V1 = 0., U2 = 0., V2 = 0.;
+ if(IsReversed) {
+ Line->Value(ipp).ParametersOnS2(U1,V1); // quad
+ Line->Value(ipn).ParametersOnS2(U2,V2); // quad
+ }
+ else {
+ Line->Value(ipp).ParametersOnS1(U1,V1); // quad
+ Line->Value(ipn).ParametersOnS1(U2,V2); // quad
+ }
+ U1 = AdjustU(U1);
+ U2 = AdjustU(U2);
+ Standard_Boolean pnearZero = (fabs(U1) < fabs(2.*M_PI-U1)) ? Standard_True : Standard_False;
+ Standard_Boolean cnearZero = (fabs(U) < fabs(2.*M_PI-U)) ? Standard_True : Standard_False;
+ if(pnearZero == cnearZero) {
+ if(!IsSeamParameter(U2,TOL2D) && !IsSeamParameter(U1,TOL2D)) {
+ Standard_Real nU = (cnearZero) ? (2.*M_PI) : 0.;
+ IntSurf_PntOn2S nP;
+ nP.SetValue(aP.Value());
+ Standard_Real U3 = 0., V3 = 0.;
+ if(IsReversed) {
+ Line->Value(ip).ParametersOnS1(U3,V3); // prm
+ nP.SetValue(Standard_False,nU,V);
+ nP.SetValue(Standard_True,U3,V3);
+ }
+ else {
+ Line->Value(ip).ParametersOnS2(U3,V3); // prm
+ nP.SetValue(Standard_True,nU,V);
+ nP.SetValue(Standard_False,U3,V3);
+ }
+ Line->InsertBefore(ipn,nP);
+ Vertices->Add(nP);
+ result = Standard_True;
+ break;
+ }
+ }
+ else {
+ if(!IsSeamParameter(U2,TOL2D) && !IsSeamParameter(U1,TOL2D)) {
+ Standard_Real nU = (cnearZero) ? (2.*M_PI) : 0.;
+ IntSurf_PntOn2S nP;
+ nP.SetValue(aP.Value());
+ Standard_Real U3 = 0., V3 = 0.;
+ if(IsReversed) {
+ Line->Value(ip).ParametersOnS1(U3,V3); // prm
+ nP.SetValue(Standard_False,nU,V);
+ nP.SetValue(Standard_True,U3,V3);
+ }
+ else {
+ Line->Value(ip).ParametersOnS2(U3,V3); // prm
+ nP.SetValue(Standard_True,nU,V);
+ nP.SetValue(Standard_False,U3,V3);
+ }
+ Line->InsertBefore(ip,nP);
+ Vertices->Add(nP);
+ result = Standard_True;
+ break;
+ }
+ else {
+ // Line->InsertBefore(ip,Line->Value(ipn));
+ // Line->RemovePoint(ip+2);
+ // result = Standard_True;
+ // cout << "swap vertex " << endl;
+ // break;
+ }
+ }
+ }
}
}
}
return result;
}
-static void ToSmooth(Handle(IntSurf_LineOn2S)& Line,
- Standard_Boolean IsReversed,
- IntSurf_Quadric& Quad,
- Standard_Boolean IsFirst,
- Standard_Real& D3D)
+static void ToSmooth( const Handle(IntSurf_LineOn2S)& Line,
+ const Standard_Boolean IsReversed,
+ const IntSurf_Quadric& Quad,
+ const Standard_Boolean IsFirst,
+ Standard_Real& D3D)
{
if(Line->NbPoints() <= 10)
return;
-
+
D3D = 0.;
Standard_Integer NbTestPnts = Line->NbPoints() / 5;
if(NbTestPnts < 5) NbTestPnts = 5;
}
DDU += fabs(fabs(Uc)-fabs(Un));
DDV += fabs(fabs(Vc)-fabs(Vn));
-
+
if(ip > startp) {
Standard_Real DP = Line->Value(ip).Value().Distance(Line->Value(ip-1).Value());
D3D += DP;
DDU /= (Standard_Real) NbTestPnts + 1;
DDV /= (Standard_Real) NbTestPnts + 1;
-
+
D3D /= (Standard_Real) NbTestPnts + 1;
Standard_Integer Index3 = (IsFirst) ? 3 : (Line->NbPoints()-2);
Standard_Boolean doU = Standard_False;
- Standard_Boolean doV = Standard_False;
Standard_Real U1 = 0., U2 = 0., V1 = 0., V2 = 0., U3 = 0., V3 = 0.;
if(!doU && Quad.TypeQuadric() == GeomAbs_Sphere) {
if(fabs(fabs(U1)-fabs(U2)) > (M_PI/16.)) doU = Standard_True;
-
+
if(doU && (fabs(U1) <= 1.e-9 || fabs(U1-2.*M_PI) <= 1.e-9)) {
if(fabs(V1-M_PI/2.) <= 1.e-9 || fabs(V1+M_PI/2.) <= 1.e-9) {}
else {
- doU = Standard_False;
+ doU = Standard_False;
}
}
}
-
+
if(Quad.TypeQuadric() == GeomAbs_Cone) {
Standard_Real Uapx = 0., Vapx = 0.;
Quad.Parameters(Quad.Cone().Apex(),Uapx,Vapx);
if(doU && (fabs(U1) <= 1.e-9 || fabs(U1-2.*M_PI) <= 1.e-9)) {
if(fabs(V1-Vapx) <= 1.e-9) {}
else {
- doU = Standard_False;
+ doU = Standard_False;
}
}
}
- if(fabs(fabs(V1)-fabs(V2)) > DDV) doV = Standard_True;
-
if(doU) {
Standard_Real dU = Min((DDU/10.),5.e-8);
Standard_Real U = (U2 > U3) ? (U2 + dU) : (U2 - dU);
const IntSurf_PntOn2S& aV,
const Standard_Boolean IsReversed,
const Standard_Real ArcTol,
- Handle(Adaptor3d_TopolTool)& PDomain)
-
+ const Handle(Adaptor3d_TopolTool)& PDomain)
+
{
Standard_Boolean result = Standard_False;
Standard_Real Up = 0., Vp = 0., Uv = 0., Vv = 0.;
return result;
}
-static void VerifyVertices(Handle(IntSurf_LineOn2S)& Line,
- Standard_Boolean IsReversed,
- Handle(IntSurf_LineOn2S)& Vertices,
- Standard_Real TOL2D,
- const Standard_Real ArcTol,
- Handle(Adaptor3d_TopolTool)& PDomain,
- IntSurf_PntOn2S& VrtF,
- Standard_Boolean& AddFirst,
- IntSurf_PntOn2S& VrtL,
- Standard_Boolean& AddLast)
+static void VerifyVertices( const Handle(IntSurf_LineOn2S)& Line,
+ const Standard_Boolean IsReversed,
+ const Handle(IntSurf_LineOn2S)& Vertices,
+ const Standard_Real TOL2D,
+ const Standard_Real ArcTol,
+ const Handle(Adaptor3d_TopolTool)& PDomain,
+ IntSurf_PntOn2S& VrtF,
+ Standard_Boolean& AddFirst,
+ IntSurf_PntOn2S& VrtL,
+ Standard_Boolean& AddLast)
{
Standard_Integer nbp = Line->NbPoints(), nbv = Vertices->NbPoints();
Standard_Integer FIndexSame = 0, FIndexNear = 0, LIndexSame = 0, LIndexNear = 0;
}
}
}
-
+
if(LIndexSame == 0) {
if(LIndexNear != 0) {
const IntSurf_PntOn2S& aV = Vertices->Value(LIndexNear);
}
static Standard_Boolean AddVertices(Handle(IntSurf_LineOn2S)& Line,
- const IntSurf_PntOn2S& VrtF,
- const Standard_Boolean AddFirst,
- const IntSurf_PntOn2S& VrtL,
- const Standard_Boolean AddLast,
- const Standard_Real D3DF,
- const Standard_Real D3DL)
+ const IntSurf_PntOn2S& VrtF,
+ const Standard_Boolean AddFirst,
+ const IntSurf_PntOn2S& VrtL,
+ const Standard_Boolean AddLast,
+ const Standard_Real D3DF,
+ const Standard_Real D3DL)
{
Standard_Boolean result = Standard_False;
if(AddFirst) {
}
return result;
}
-
-static void PutIntVertices(Handle(IntPatch_Line)& Line,
- Handle(IntSurf_LineOn2S)& Result,
- Standard_Boolean ,//IsReversed,
- Handle(IntSurf_LineOn2S)& Vertices,
- const Standard_Real ArcTol)
+
+static void PutIntVertices(const Handle(IntPatch_Line)& Line,
+ Handle(IntSurf_LineOn2S)& Result,
+ Standard_Boolean ,//IsReversed,
+ Handle(IntSurf_LineOn2S)& Vertices,
+ const Standard_Real ArcTol)
{
Standard_Integer nbp = Result->NbPoints(), nbv = Vertices->NbPoints();
if(nbp < 3)
return;
- Handle(IntPatch_WLine)& WLine = (*((Handle(IntPatch_WLine)*)&Line));
+ Handle(IntPatch_WLine) WLine (Handle(IntPatch_WLine)::DownCast (Line));
Standard_Integer ip = 0, iv = 0;
gp_Pnt aPnt;
IntPatch_Point thePnt;
Standard_Real U1 = 0., V1 = 0., U2 = 0., V2 = 0.;
-
+
for(ip = 2; ip <= (nbp-1); ip++) {
const IntSurf_PntOn2S& aP = Result->Value(ip);
for(iv = 1; iv <= nbv; iv++) {
const IntSurf_PntOn2S& aV = Vertices->Value(iv);
if(AreSamePoints(aP,aV)) {
aPnt = Result->Value(ip).Value();
- Result->Value(ip).ParametersOnS1(U1,V1);
- Result->Value(ip).ParametersOnS2(U2,V2);
- thePnt.SetValue(aPnt,ArcTol,Standard_False);
- thePnt.SetParameters(U1,V1,U2,V2);
- thePnt.SetParameter((Standard_Real)ip);
- WLine->AddVertex(thePnt);
+ Result->Value(ip).ParametersOnS1(U1,V1);
+ Result->Value(ip).ParametersOnS2(U2,V2);
+ thePnt.SetValue(aPnt,ArcTol,Standard_False);
+ thePnt.SetParameters(U1,V1,U2,V2);
+ thePnt.SetParameter((Standard_Real)ip);
+ WLine->AddVertex(thePnt);
}
}
}
}
static Standard_Boolean HasInternals(Handle(IntSurf_LineOn2S)& Line,
- Handle(IntSurf_LineOn2S)& Vertices)
+ Handle(IntSurf_LineOn2S)& Vertices)
{
Standard_Integer nbp = Line->NbPoints(), nbv = Vertices->NbPoints();
Standard_Integer ip = 0, iv = 0;
Standard_Boolean result = Standard_False;
-
+
if(nbp < 3)
return result;
if(result)
break;
}
-
+
return result;
}
static Handle(IntPatch_WLine) MakeSplitWLine (Handle(IntPatch_WLine)& WLine,
- Standard_Boolean Tang,
- IntSurf_TypeTrans Trans1,
- IntSurf_TypeTrans Trans2,
- Standard_Real ArcTol,
- Standard_Integer ParFirst,
- Standard_Integer ParLast)
+ Standard_Boolean Tang,
+ IntSurf_TypeTrans Trans1,
+ IntSurf_TypeTrans Trans2,
+ Standard_Real ArcTol,
+ Standard_Integer ParFirst,
+ Standard_Integer ParLast)
{
Handle(IntSurf_LineOn2S) SLine = WLine->Curve();
Handle(IntSurf_LineOn2S) sline = new IntSurf_LineOn2S();
-
- Standard_Integer ip = 0;
+
+ Standard_Integer ip = 0;
for(ip = ParFirst; ip <= ParLast; ip++)
sline->Add(SLine->Value(ip));
TPntF.SetParameter(1.);
wline->AddVertex(TPntF);
wline->SetFirstPoint(1);
-
+
aSPnt = sline->Value(sline->NbPoints()).Value();
sline->Value(sline->NbPoints()).ParametersOnS1(uu1,vv1);
sline->Value(sline->NbPoints()).ParametersOnS2(uu2,vv2);
}
static Standard_Boolean SplitOnSegments(Handle(IntPatch_WLine)& WLine,
- Standard_Boolean Tang,
- IntSurf_TypeTrans Trans1,
- IntSurf_TypeTrans Trans2,
- Standard_Real ArcTol,
- IntPatch_SequenceOfLine& Segments)
+ Standard_Boolean Tang,
+ IntSurf_TypeTrans Trans1,
+ IntSurf_TypeTrans Trans2,
+ Standard_Real ArcTol,
+ IntPatch_SequenceOfLine& Segments)
{
Standard_Boolean result = Standard_False;
Segments.Clear();
if(nbv > 3) {
Standard_Integer iv = 0;
for(iv = 1; iv < nbv; iv++) {
- Standard_Integer firstPar = (Standard_Integer) WLine->Vertex(iv).ParameterOnLine();
- Standard_Integer lastPar = (Standard_Integer) WLine->Vertex(iv+1).ParameterOnLine();
+ Standard_Integer firstPar =
+ (Standard_Integer) WLine->Vertex(iv).ParameterOnLine();
+ Standard_Integer lastPar =
+ (Standard_Integer) WLine->Vertex(iv+1).ParameterOnLine();
if((lastPar - firstPar) <= 1)
continue;
else {
- Handle(IntPatch_WLine) splitwline = MakeSplitWLine(WLine,Tang,Trans1,Trans2,ArcTol,firstPar,lastPar);
+ Handle(IntPatch_WLine) splitwline = MakeSplitWLine(WLine,Tang,Trans1,Trans2,
+ ArcTol,firstPar,lastPar);
Segments.Append(splitwline);
if(!result)
result = Standard_True;
return result;
}
-void DecomposeResult(Handle(IntPatch_Line)& Line,
- Standard_Boolean IsReversed,
- IntSurf_Quadric& Quad,
- Handle(Adaptor3d_TopolTool)& PDomain,
- Handle(Adaptor3d_HSurface)& QSurf,
- Standard_Real ArcTol,
- IntPatch_SequenceOfLine& Lines)
+//=======================================================================
+//function : DecomposeResult
+//purpose : Split <theLine> in the places where it passes through seam edge
+// or singularity (apex of cone or pole of sphere).
+// This passage is detected by jump of U-parameter
+// from point to point.
+//=======================================================================
+static Standard_Boolean DecomposeResult(const Handle(IntPatch_Line)& theLine,
+ const Standard_Boolean IsReversed,
+ const IntSurf_Quadric& theQuad,
+ const Handle(Adaptor3d_TopolTool)& thePDomain,
+ const Handle(Adaptor3d_HSurface)& theQSurf, //quadric
+ const Handle(Adaptor3d_HSurface)& thePSurf, //parametric
+ const Standard_Real theArcTol,
+ IntPatch_SequenceOfLine& theLines)
{
- if( Line->ArcType() != IntPatch_Walking ) {
- Lines.Append(Line);
- return;
+ const Standard_Real aDeltaUmax = M_PI_2;
+ const Standard_Real aTOL3D = 1.e-10,
+ aTOL2D = Precision::PConfusion(),
+ aTOL2DS = Precision::PConfusion();
+
+ if( theLine->ArcType() != IntPatch_Walking )
+ {
+ return Standard_False;
}
- Handle(IntPatch_WLine)& WLine = (*((Handle(IntPatch_WLine)*)&Line));
- Handle(IntSurf_LineOn2S) SLine = WLine->Curve();
+ Handle(IntPatch_WLine) aWLine (Handle(IntPatch_WLine)::DownCast (theLine));
+ const Handle(IntSurf_LineOn2S)& aSLine = aWLine->Curve();
- if(SLine->NbPoints() <= 2) {
- Lines.Append(Line);
- return;
+ if(aSLine->NbPoints() <= 2)
+ {
+ return Standard_False;
}
+
+ //Deletes repeated vertices
+ Handle(IntSurf_LineOn2S) aVLine = GetVertices(aWLine,aTOL3D,aTOL2D);
+
+ Handle(IntSurf_LineOn2S) aSSLine(aSLine);
- Standard_Real TOL3D = 1.e-10, TOL2D = 1.e-8, TOL2DS = 1.e-5;
+ if(aSSLine->NbPoints() <= 1)
+ return Standard_False;
- Handle(IntSurf_LineOn2S) vline = GetVertices(WLine,IsReversed,TOL3D,TOL2D);
- Handle(IntSurf_LineOn2S) SSLine = VSplitLine(SLine,IsReversed,QSurf,vline);
+ AdjustLine(aSSLine,IsReversed,theQSurf,aTOL2D);
- if(SSLine->NbPoints() <= 1)
- return;
+ {
+ Standard_Boolean isInserted = Standard_True;
+ while(isInserted)
+ {
+ const Standard_Integer aNbPnts = aSSLine->NbPoints();
+ TColStd_Array1OfInteger aPTypes(1,aNbPnts);
+ SearchVertices(aSSLine,aVLine,aPTypes);
+ isInserted = InsertSeamVertices(aSSLine,IsReversed,aVLine,aPTypes,aTOL2D);
+ }
+ }
- AdjustLine(SSLine,IsReversed,QSurf,TOL2D);
+ const Standard_Integer aLindex = aSSLine->NbPoints();
+ Standard_Integer aFindex = 1, aBindex = 0;
- Standard_Boolean isInserted = Standard_True;
- while(isInserted) {
- Standard_Integer NbPnts = SSLine->NbPoints();
- TColStd_Array1OfInteger ptypes(1,NbPnts);
- SearchVertices(SSLine,vline,ptypes);
- isInserted = InsertSeamVertices(SSLine,IsReversed,vline,ptypes,TOL2D);
- }
+ IntPatch_Point aTPntF, aTPntL;
+
+ // build WLine parts (if any)
+ Standard_Boolean flNextLine = Standard_True;
+ Standard_Boolean hasBeenDecomposed = Standard_False;
+ enum PrePoint_Type
+ {
+ PrePoint_NONE,
+ PrePoint_SEAM,
+ PrePoint_POLE
+ }PrePointExist = PrePoint_NONE;
- if(SSLine->NbPoints() == 2) {
- Standard_Real uu1 = 0., vv1 = 0., uu2 = 0., vv2 = 0.;
- if(IsReversed) {
- SSLine->Value(1).ParametersOnS2(uu1,vv1);
- SSLine->Value(2).ParametersOnS2(uu2,vv2);
+ IntSurf_PntOn2S PrePoint;
+ while(flNextLine)
+ {
+ // reset variables
+ flNextLine = Standard_False;
+ Standard_Boolean isDecomposited = Standard_False;
+ Standard_Real U1 = 0., U2 = 0., V1 = 0., V2 = 0., AnU1 = 0.;
+
+ Handle(IntSurf_LineOn2S) sline = new IntSurf_LineOn2S();
+
+ //if((Lindex-Findex+1) <= 2 )
+ if((aLindex <= aFindex) && (PrePointExist != PrePoint_POLE))
+ {
+ //break of "while(flNextLine)" cycle
+ break;
}
- else {
- SSLine->Value(1).ParametersOnS1(uu1,vv1);
- SSLine->Value(2).ParametersOnS1(uu2,vv2);
+
+ if (PrePointExist == PrePoint_SEAM)
+ {
+ sline->Add(PrePoint);
}
- gp_Pnt2d p1(uu1,vv1);
- gp_Pnt2d p2(uu2,vv2);
- if(p1.Distance(p2) > 2.e-7) {
- Standard_Real Dist3D = SSLine->Value(1).Value().Distance(SSLine->Value(2).Value());
- if(Dist3D > 3.e-7) {
- gp_Pnt aSPnt;
- IntPatch_Point TPntF,TPntL;
- Handle(IntPatch_WLine) wline = new IntPatch_WLine(SSLine,Standard_False,Line->TransitionOnS1(),Line->TransitionOnS2());
- aSPnt = SSLine->Value(1).Value();
- SSLine->Value(1).ParametersOnS1(uu1,vv1);
- SSLine->Value(1).ParametersOnS2(uu2,vv2);
- TPntF.SetValue(aSPnt,ArcTol,Standard_False);
- TPntF.SetParameters(uu1,vv1,uu2,vv2);
- TPntF.SetParameter(1.);
- wline->AddVertex(TPntF);
- wline->SetFirstPoint(1);
- aSPnt = SSLine->Value(SSLine->NbPoints()).Value();
- SSLine->Value(SSLine->NbPoints()).ParametersOnS1(uu1,vv1);
- SSLine->Value(SSLine->NbPoints()).ParametersOnS2(uu2,vv2);
- TPntL.SetValue(aSPnt,ArcTol,Standard_False);
- TPntL.SetParameters(uu1,vv1,uu2,vv2);
- TPntL.SetParameter(SSLine->NbPoints());
- wline->AddVertex(TPntL);
- wline->SetLastPoint(SSLine->NbPoints());
- Lines.Append(wline);
- return;
+ else if(PrePointExist == PrePoint_POLE)
+ {
+ //The last point of the line is the pole of the quadric.
+ //Therefore, Walking-line has been broken in this point.
+ //However, new line must start from this point. Here we must
+ //find its 2D-coordinates.
+
+ //For sphere and cone, some intersection point is satisfied to the system
+ // \cos(U_{q}) = S_{x}(U_{s},V_{s})/F(V_{q})
+ // \sin(U_{q}) = S_{y}(U_{s},V_{s})/F(V_{q})
+
+ //where
+ // @S_{x}@, @S_{y}@ are X and Y-coordinates of thePSurf;
+ // @U_{s}@ and @V_{s}@ are UV-parameters on thePSurf;
+ // @U_{q}@ and @V_{q}@ are UV-parameters on theQSurf;
+ // @F(V_{q}) @ is some function, which value independs on @U_{q}@
+ // (form of this function depends on the type of the quadric).
+
+ //When we go through the pole, the function @F(V_{q}) @ changes sign.
+ //Therefore, some cases are possible, when only @\cos(U_{q}) @ or
+ //only @ \sin(U_{q}) @ change sign.
+
+ //Consequently, when the line goes throug the pole, @U_{q}@ can be
+ //changed on @\pi /2 @ (but not less).
+
+ const Standard_Real aPeriod = M_PI_2, aHalfPeriod = M_PI_4;
+ const IntSurf_PntOn2S& aRefPt = aSSLine->Value(aFindex);
+
+ IntSurf_PntOn2S aFirstPoint = PrePoint;
+
+ if(!aFirstPoint.IsSame(aRefPt, Precision::Confusion()))
+ {
+ Standard_Real aURef = 0.0, aVRef = 0.0;
+ Standard_Real aUquad = 0.0, aVquad = 0.0;
+
+ //Take parameters on quadric
+ if(IsReversed)
+ {
+ aFirstPoint.ParametersOnS2(aUquad, aVquad);
+ aRefPt.ParametersOnS2(aURef, aVRef);
+ }
+ else
+ {
+ aFirstPoint.ParametersOnS1(aUquad, aVquad);
+ aRefPt.ParametersOnS1(aURef, aVRef);
+ }
+
+ {
+ Standard_Real aDeltaPar = aURef-aUquad;
+ const Standard_Real anIncr = aPeriod*Sign(1.0, aDeltaPar);
+ while((aDeltaPar > aHalfPeriod) || (aDeltaPar < -aHalfPeriod))
+ {
+ aUquad += anIncr;
+ aDeltaPar = aURef-aUquad;
+ }
+ }
+
+ aFirstPoint.SetValue(!IsReversed, aUquad, aVquad);
+
+ sline->Add(aFirstPoint);
}
else
- return;
+ {
+ //break of "while(flNextLine)" cycle
+ break;
+ }
}
- else
- return;
- }
- Standard_Integer NbPnts = SSLine->NbPoints();
+ PrePointExist = PrePoint_NONE;
- Standard_Real BSEAM = 1.5*M_PI; // delta U crossing seam
- Standard_Real BAPEX = M_PI/16.; // delta U crossing apex
-
- Standard_Integer k = 0;
- Standard_Real U1 = 0., U2 = 0., V1 = 0., V2 = 0., AnU1 = 0., AnV1 = 0., DU1 = 0., DV1 = 0.;
- Standard_Integer Findex = 1, Lindex = NbPnts, Bindex = 0;
+ // analyze other points
+ for(Standard_Integer k = aFindex; k <= aLindex; k++)
+ {
+ if( k == aFindex )
+ {
+ if(IsReversed)
+ {
+ aSSLine->Value(k).ParametersOnS2(AnU1,V1); // S2 - quadric, set U,V by Pnt3D
+ }
+ else
+ {
+ aSSLine->Value(k).ParametersOnS1(AnU1,V1); // S1 - quadric, set U,V by Pnt3D
+ }
- gp_Pnt aPnt, aSPnt;
- IntPatch_Point TPntF,TPntL,TPntS;
+ sline->Add(aSSLine->Value(k));
+ PrePoint = aSSLine->Value(k);
+ continue;
+ }
- Handle(IntSurf_LineOn2S) sline = new IntSurf_LineOn2S();
- Handle(IntPatch_WLine) wline;
- IntPatch_SequenceOfLine lines;
+ if(IsReversed)
+ {
+ aSSLine->Value(k).ParametersOnS2(U1,V1); // S2 - quadric, set U,V by Pnt3D
+ }
+ else
+ {
+ aSSLine->Value(k).ParametersOnS1(U1,V1); // S1 - quadric, set U,V by Pnt3D
+ }
- // build WLine parts (if any)
- nextline:;
+ if(Abs(U1-AnU1) > aDeltaUmax)
+ {
+ aBindex = k;
+ isDecomposited = Standard_True;
+ ////
+ if (Abs(U1) <= Precision::PConfusion() ||
+ Abs(U1 - 2*M_PI) <= Precision::PConfusion())
+ {
+ IntSurf_PntOn2S NewPoint;
+ IntSurf_PntOn2S CurPoint = aSSLine->Value(k);
+ gp_Pnt thePnt = CurPoint.Value();
+ Standard_Real theU1, theV1, theU2, theV2;
+ theU1 = (Abs(U1) <= Precision::PConfusion())? 2*M_PI : 0.;
+ theV1 = V1;
+ NewPoint.SetValue(thePnt);
+ if (!IsReversed)
+ {
+ CurPoint.ParametersOnS2(theU2, theV2);
+ NewPoint.SetValue(theU1, theV1, theU2, theV2);
+ }
+ else
+ {
+ CurPoint.ParametersOnS1(theU2, theV2);
+ NewPoint.SetValue(theU2, theV2, theU1, theV1);
+ }
+ sline->Add(NewPoint);
+ }
+ else if (Abs(AnU1) <= Precision::PConfusion() ||
+ Abs(AnU1 - 2*M_PI) <= Precision::PConfusion())
+ {
+ //Modify <PrePoint>
+ PrePointExist = PrePoint_SEAM;
+ Standard_Real theU1, theV1;
+ if (!IsReversed)
+ {
+ PrePoint.ParametersOnS1(theU1, theV1);
+ theU1 = (Abs(AnU1) <= Precision::PConfusion())? 2*M_PI : 0.;
+ PrePoint.SetValue(Standard_True, //on first
+ theU1, theV1);
+ }
+ else
+ {
+ PrePoint.ParametersOnS2(theU1, theV1);
+ theU1 = (Abs(AnU1) <= Precision::PConfusion())? 2*M_PI : 0.;
+ PrePoint.SetValue(Standard_False, //on second
+ theU1, theV1);
+ }
+ }
+ else
+ {//Check if WLine goes through pole
+ const Standard_Real aTol = Precision::Confusion();
+ const Standard_Real aPeriod = M_PI+M_PI, aHalfPeriod = M_PI;
+ const IntSurf_PntOn2S& aRefPt = aSSLine->Value(aBindex-1);
+
+ //Not quadric point
+ Standard_Real aU0 = 0.0, aV0 = 0.0;
+ //Quadric point
+ Standard_Real aUQuadRef = 0.0, aVQuadRef = 0.0;
+
+ if(IsReversed)
+ {
+ aRefPt.Parameters(aU0, aV0, aUQuadRef, aVQuadRef);
+ }
+ else
+ {
+ aRefPt.Parameters(aUQuadRef, aVQuadRef, aU0, aV0);
+ }
- //if((Lindex-Findex+1) <= 2 )
- if((Lindex-Findex+1) <= 1 )
- return;
+ //Transforms parametric surface in coordinate-system of the quadric
+ gp_Trsf aTr;
+ aTr.SetTransformation(theQuad.Sphere().Position());
+
+ //aPQuad is Pole
+ gp_Pnt aPQuad;
+ Standard_Real aUquad = 0.0;
+ Standard_Real aVquad = 0.0;
+
+ if(theQuad.TypeQuadric() == GeomAbs_Sphere)
+ {
+ aVquad = Sign(M_PI_2, aVQuadRef);
+ }
+ else if(theQuad.TypeQuadric() == GeomAbs_Cone)
+ {
+ const Standard_Real aRadius = theQuad.Cone().RefRadius();
+ const Standard_Real aSemiAngle = theQuad.Cone().SemiAngle();
+ aVquad = -aRadius/sin(aSemiAngle);
+ }
+ else
+ {
+ Standard_TypeMismatch::Raise( "IntPatch_ImpPrmIntersection.cxx,"
+ " DecomposeResult(...): "
+ "Unsupported quadric with Pole");
+ }
+
+ theQSurf->D0(aUquad, aVquad, aPQuad);
+
+ Extrema_GenLocateExtPS anExtr(aPQuad, thePSurf->Surface(), aU0, aV0,
+ Precision::PConfusion(),
+ Precision::PConfusion());
+
+ if(!anExtr.IsDone())
+ break;
+
+ if(anExtr.SquareDistance() < aTol*aTol)
+ { //Pole is an intersection point
+ //(lies in the quadric and the parametric surface)
+
+ anExtr.Point().Parameter(aU0, aV0);
+ gp_Pnt aP0(anExtr.Point().Value());
+
+ IntSurf_PntOn2S aNewPoint;
+ aNewPoint.SetValue(0.5*(aP0.XYZ() + aPQuad.XYZ()), IsReversed, aU0, aV0);
+
+ if(!aNewPoint.IsSame(aRefPt, Precision::Confusion()))
+ { //Found pole does not exist in the Walking-line
+ //It must be added there (with correct 2D-parameters)
+
+ //2D-parameters of theparametric surface have already been found (aU0, aV0).
+ //Let find 2D-parameters on the quadric.
+
+ //The algorithm depends on the type of the quadric. Here we consider a Sphere only.
+ //Analogical result can be made for another types (e.g. cone, but formulas will
+ //be different) in case of need.
+
+ //First of all, we need in adjusting thePSurf in the coordinate system of the Sphere
+ //(in order to make the equation of the sphere maximal simple). However, as it will be
+ //shown later, thePSurf is used in algorithm in order to get its derivatives. Therefore,
+ //for improving performance, transformation of these vectors is enough (there is no point
+ //in transformation of full surface).
+
+ gp_Pnt aPtemp;
+ gp_Vec aVecDu, aVecDv;
+ thePSurf->D1(aU0, aV0, aPtemp, aVecDu, aVecDv);
+
+ //Derivatives of transformed thePSurf
+ aVecDu.Transform(aTr);
+ aVecDv.Transform(aTr);
+
+ if(theQuad.TypeQuadric() == GeomAbs_Sphere)
+ {
+ //The intersection point (including the pole)
+ //must be satisfied to the following system:
+
+ // \left\{\begin{matrix}
+ // R*\cos (U_{q})*\cos (V_{q})=S_{x}(U_{s},V_{s})
+ // R*\sin (U_{q})*\cos (V_{q})=S_{y}(U_{s},V_{s})
+ // R*\sin (V_{q})=S_{z}(U_{s},V_{s})
+ // \end{matrix}\right,
+ //where
+ // R is the radius of the sphere;
+ // @S_{x}@, @S_{y}@ and @S_{z}@ are X, Y and Z-coordinates of thePSurf;
+ // @U_{s}@ and @V_{s}@ are equal to aU0 and aV0 corespondingly;
+ // @U_{q}@ and @V_{q}@ are equal to aUquad and aVquad corespondingly.
+
+ //Consequently (from first two equations),
+ // \left\{\begin{matrix}
+ // \cos (U_{q}) = \frac{S_{x}(U_{s},V_{s})}{R*\cos (V_{q})}
+ // \sin (U_{q}) = \frac{S_{y}(U_{s},V_{s})}{R*\cos (V_{q})}
+ // \end{matrix}\right.
+
+ //For pole,
+ // V_{q}=\pm \pi /2 \Rightarrow \cos (V_{q}) = 0 (denominator is equal to 0).
+
+ //Therefore, computation U_{q} directly is impossibly.
+ //
+ //Let @V_{q}@ tends to @\pm \pi /2@.
+ //Then (indeterminate form is evaluated in accordance of L'Hospital rule),
+ // \cos (U_{q}) = \lim_{V_{q} \to (\pi /2-0)}
+ // \frac{S_{x}(U_{s},V_{s})}{R*\cos (V_{q})}=
+ // -\lim_{V_{q} \to (\pi /2-0)}
+ // \frac{\frac{\partial S_{x}}
+ // {\partial U_{s}}*\frac{\mathrm{d} U_{s}}
+ // {\mathrm{d} V_{q}}+\frac{\partial S_{x}}
+ // {\partial V_{s}}*\frac{\mathrm{d} V_{s}}
+ // {\mathrm{d} V_{q}}}{R*\sin (V_{q})} =
+ // -\frac{1}{R}*\frac{\mathrm{d} U_{s}}
+ // {\mathrm{d} V_{q}}*(\frac{\partial S_{x}}
+ // {\partial U_{s}}+\frac{\partial S_{x}}
+ // {\partial V_{s}}*\frac{\mathrm{d} V_{s}}
+ // {\mathrm{d} U_{s}}) =
+ // -\frac{1}{R}*\frac{\mathrm{d} V_{s}}
+ // {\mathrm{d} V_{q}}*(\frac{\partial S_{x}}
+ // {\partial U_{s}}*\frac{\mathrm{d} U_{s}}
+ // {\mathrm{d} V_{s}}+\frac{\partial S_{x}}
+ // {\partial V_{s}}).
+
+ //Analogicaly for @\sin (U_{q})@ (@S_{x}@ is substituted to @S_{y}@).
+
+ //Let mean, that
+ // \cos (U_{q}) \left | _{V_{q} \to (-\pi /2+0)} = \cos (U_{q}) \left | _{V_{q} \to (\pi /2-0)}
+ // \sin (U_{q}) \left | _{V_{q} \to (-\pi /2+0)} = \sin (U_{q}) \left | _{V_{q} \to (\pi /2-0)}
+
+ //From the 3rd equation of the system, we obtain
+ // \frac{\mathrm{d} (R*\sin (V_{q}))}{\mathrm{d} V_{q}} =
+ // \frac{\mathrm{d} S_{z}(U_{s},V_{s})}{\mathrm{d} V_{q}}
+ //or
+ // R*\cos (V_{q}) = \frac{\partial S_{z}}{\partial U_{s}}*
+ // \frac{\mathrm{d} U_{s}} {\mathrm{d} V_{q}}+\frac{\partial S_{z}}
+ // {\partial V_{s}}*\frac{\mathrm{d} V_{s}}{\mathrm{d} V_{q}}.
+
+ //If @V_{q}=\pm \pi /2@, then
+ // \frac{\partial S_{z}}{\partial U_{s}}*
+ // \frac{\mathrm{d} U_{s}} {\mathrm{d} V_{q}}+\frac{\partial S_{z}}
+ // {\partial V_{s}}*\frac{\mathrm{d} V_{s}}{\mathrm{d} V_{q}} = 0.
+
+ //Consequently, if @\frac{\partial S_{z}}{\partial U_{s}} \neq 0 @ then
+ // \frac{\mathrm{d} U_{s}}{\mathrm{d} V_{s}} =
+ // -\frac{\frac{\partial S_{z}}{\partial V_{s}}}
+ // {\frac{\partial S_{z}}{\partial U_{s}}}.
+
+ //If @ \frac{\partial S_{z}}{\partial V_{s}} \neq 0 @ then
+ // \frac{\mathrm{d} V_{s}}{\mathrm{d} U_{s}} =
+ // -\frac{\frac{\partial S_{z}}{\partial U_{s}}}
+ // {\frac{\partial S_{z}}{\partial V_{s}}}
+
+ //Cases, when @ \frac{\partial S_{z}}{\partial U_{s}} =
+ //\frac{\partial S_{z}}{\partial V_{s}} = 0 @ are not consider here.
+ //The reason is written below.
+
+ //Vector with {@ \cos (U_{q}) @, @ \sin (U_{q}) @} coordinates.
+ //Ask to pay attention to the fact that this vector is always normalyzed.
+ gp_Vec2d aV1;
+
+ if(Abs(aVecDu.Z()) > Abs(aVecDv.Z()))
+ {
+ //Example of this exception is intersection a plane with a sphere
+ //when the plane tangents the sphere in some pole (i.e. only one
+ //intersection point, not line). In this case, U-coordinate of the
+ //sphere is undefined (can be realy anything). On the other hand,
+ //in this case there are not any Walking-line to be decomposited.
+ Standard_NumericError_Raise_if(Abs(aVecDu.Z()) < Precision::PConfusion(),
+ "IntPatch_ImpPrmIntersection.cxx, DecomposeResult(...): "
+ "Cannot find UV-coordinate for quadric in the pole");
+ const Standard_Real aDusDvs = aVecDv.Z()/aVecDu.Z();
+
+ aV1.SetCoord( aVecDu.X()*aDusDvs - aVecDv.X(),
+ aVecDu.Y()*aDusDvs - aVecDv.Y());
+ }
+ else
+ {
+ //Example of this exception is intersection a plane with a sphere
+ //when the plane tangents the sphere in some pole (i.e. only one
+ //intersection point, not line). In this case, U-coordinate of the
+ //sphere is undefined (can be realy anything). On the other hand,
+ //in this case there are not any Walking-line to be decomposited.
+ Standard_NumericError_Raise_if(Abs(aVecDv.Z()) < Precision::PConfusion(),
+ "IntPatch_ImpPrmIntersection.cxx, DecomposeResult(...): "
+ "Cannot find UV-coordinate for quadric in the pole");
+
+ const Standard_Real aDvsDus = aVecDu.Z()/aVecDv.Z();
+ aV1.SetCoord( aVecDv.X()*aDvsDus - aVecDu.X(),
+ aVecDv.Y()*aDvsDus - aVecDu.Y());
+ }
+
+ aV1.Normalize();
+
+ if(Abs(aV1.X()) > Abs(aV1.Y()))
+ aUquad = Sign(asin(aV1.Y()), aVquad);
+ else
+ aUquad = Sign(acos(aV1.X()), aVquad);
+ }
+
+ {
+ //Adjust found U-paramter to previous point of the Walking-line
+ Standard_Real aDeltaPar = aUQuadRef-aUquad;
+ const Standard_Real anIncr = aPeriod*Sign(1.0, aDeltaPar);
+ while((aDeltaPar > aHalfPeriod) || (aDeltaPar < -aHalfPeriod))
+ {
+ aUquad += anIncr;
+ aDeltaPar = aUQuadRef-aUquad;
+ }
+ }
+
+ aNewPoint.SetValue(!IsReversed, aUquad, aVquad);
+
+ sline->Add(aNewPoint);
+ PrePointExist = PrePoint_POLE;
+ PrePoint = aNewPoint;
+ }
+ }
+ }
- // reset variables
- Standard_Boolean isDecomposited = Standard_False;
- Standard_Boolean is2PIDecomposed = Standard_False;
- U1 = 0.; V1 = 0.; U2 = 0.; V2 = 0.; AnU1 = 0.; AnV1 = 0.; DU1 = 0.; DV1 = 0.;
+ ////
+ break;
+ }
- // analyze other points
- for(k = Findex; k <= Lindex; k++) {
+ sline->Add(aSSLine->Value(k));
+ PrePoint = aSSLine->Value(k);
+ AnU1=U1;
+ }
- if( k == Findex ) {
-
- if(IsReversed) {
- SSLine->Value(k).ParametersOnS2(AnU1,V1); // S2 - quadric, set U,V by Pnt3D
- }
- else {
- SSLine->Value(k).ParametersOnS1(AnU1,V1); // S1 - quadric, set U,V by Pnt3D
+ IntSurf_PntOn2S aVF, aVL;
+ Standard_Boolean addVF = Standard_False, addVL = Standard_False;
+ VerifyVertices(sline,IsReversed,aVLine,aTOL2DS,theArcTol,
+ thePDomain,aVF,addVF,aVL,addVL);
+
+ Standard_Boolean hasInternals = HasInternals(sline,aVLine);
+
+ Standard_Real D3F = 0., D3L = 0.;
+ ToSmooth(sline,IsReversed,theQuad,Standard_True,D3F);
+ ToSmooth(sline,IsReversed,theQuad,Standard_False,D3L);
+
+ //if(D3F <= 1.5e-7 && sline->NbPoints() >=3) {
+ // D3F = sline->Value(2).Value().Distance(sline->Value(3).Value());
+ //}
+ //if(D3L <= 1.5e-7 && sline->NbPoints() >=3) {
+ // D3L = sline->Value(sline->NbPoints()-1).Value().Distance(sline->
+ // Value(sline->NbPoints()-2).Value());
+ //}
+
+ if(addVF || addVL)
+ {
+ Standard_Boolean isAdded = AddVertices(sline,aVF,addVF,aVL,addVL,D3F,D3L);
+ if(isAdded)
+ {
+ ToSmooth(sline,IsReversed,theQuad,Standard_True,D3F);
+ ToSmooth(sline,IsReversed,theQuad,Standard_False,D3L);
}
- sline->Add(SSLine->Value(k));
- AnV1 = V1;
- continue;
}
- if(IsReversed) {
- SSLine->Value(k).ParametersOnS2(U1,V1); // S2 - quadric, set U,V by Pnt3D
- }
- else {
- SSLine->Value(k).ParametersOnS1(U1,V1); // S1 - quadric, set U,V by Pnt3D
+ Handle(IntPatch_WLine) wline =
+ new IntPatch_WLine(sline,Standard_False,
+ theLine->TransitionOnS1(),theLine->TransitionOnS2());
+
+ gp_Pnt aSPnt(sline->Value(1).Value());
+ sline->Value(1).ParametersOnS1(U1,V1);
+ sline->Value(1).ParametersOnS2(U2,V2);
+ aTPntF.SetValue(aSPnt,theArcTol,Standard_False);
+ aTPntF.SetParameters(U1,V1,U2,V2);
+ aTPntF.SetParameter(1.);
+ wline->AddVertex(aTPntF);
+ wline->SetFirstPoint(1);
+
+ if(hasInternals)
+ {
+ PutIntVertices(wline,sline,IsReversed,aVLine,theArcTol);
}
- Standard_Real DeltaU = fabs(U1-AnU1);
- if(DeltaU > BSEAM) {
- Bindex = k;
- isDecomposited = Standard_True;
- is2PIDecomposed = Standard_True;
- break;
+ aSPnt = sline->Value(sline->NbPoints()).Value();
+ sline->Value(sline->NbPoints()).ParametersOnS1(U1,V1);
+ sline->Value(sline->NbPoints()).ParametersOnS2(U2,V2);
+ aTPntL.SetValue(aSPnt,theArcTol,Standard_False);
+ aTPntL.SetParameters(U1,V1,U2,V2);
+ aTPntL.SetParameter(sline->NbPoints());
+ wline->AddVertex(aTPntL);
+ wline->SetLastPoint(sline->NbPoints());
+
+ IntPatch_SequenceOfLine segm;
+ Standard_Boolean isSplited = SplitOnSegments(wline,Standard_False,
+ theLine->TransitionOnS1(),theLine->TransitionOnS2(),theArcTol,segm);
+
+ if(!isSplited)
+ {
+ theLines.Append(wline);
}
- else if((DeltaU > BAPEX) && (k >= (Findex+10) && k <= (Lindex-10))) {
- Bindex = k;
- isDecomposited = Standard_True;
- break;
+ else
+ {
+ Standard_Integer nbsegms = segm.Length();
+ Standard_Integer iseg = 0;
+ for(iseg = 1; iseg <= nbsegms; iseg++)
+ theLines.Append(segm(iseg));
}
- else {}
- sline->Add(SSLine->Value(k));
- AnU1=U1;
- AnV1=V1;
+ if(isDecomposited)
+ {
+ aFindex = aBindex;
+ flNextLine = hasBeenDecomposed = Standard_True;
+ }
}
-
- IntSurf_PntOn2S aVF,aVL;
- Standard_Boolean addVF = Standard_False, addVL = Standard_False;
- VerifyVertices(sline,IsReversed,vline,TOL2DS,ArcTol,PDomain,aVF,addVF,aVL,addVL);
- Standard_Boolean hasInternals = HasInternals(sline,vline);
+ return hasBeenDecomposed;
+}
- Standard_Real D3F = 0., D3L = 0.;
- ToSmooth(sline,IsReversed,Quad,Standard_True,D3F);
- ToSmooth(sline,IsReversed,Quad,Standard_False,D3L);
+static Standard_Boolean IsIn2DBox(const Bnd_Box2d& theBox,
+ const Handle(IntPatch_PointLine)& theLine,
+ const Standard_Real theUPeriod,
+ const Standard_Real theVPeriod,
+ const Standard_Boolean isTheSurface1Using)
+{
+ const Standard_Integer aNbPnts = theLine->NbPnts();
- if(D3F <= 1.5e-7 && sline->NbPoints() >=3) {
- D3F = sline->Value(2).Value().Distance(sline->Value(3).Value());
- }
- if(D3L <= 1.5e-7 && sline->NbPoints() >=3) {
- D3L = sline->Value(sline->NbPoints()-1).Value().Distance(sline->Value(sline->NbPoints()-2).Value());
- }
+ const Standard_Real aDeltaUPeriod[] = {0.0, -theUPeriod, 2.0*theUPeriod};
+ const Standard_Real aDeltaVPeriod[] = {0.0, -theVPeriod, 2.0*theVPeriod};
- if(addVF || addVL) {
- Standard_Boolean isAdded = AddVertices(sline,aVF,addVF,aVL,addVL,D3F,D3L);
- if(isAdded) {
- ToSmooth(sline,IsReversed,Quad,Standard_True,D3F);
- ToSmooth(sline,IsReversed,Quad,Standard_False,D3L);
- }
- }
+ const Standard_Integer aSzOfUPArr = sizeof(aDeltaUPeriod)/sizeof(aDeltaUPeriod[0]);
+ const Standard_Integer aSzOfVPArr = sizeof(aDeltaVPeriod)/sizeof(aDeltaVPeriod[0]);
- if(!hasInternals) {
- ForcedPurgePoints(sline,IsReversed,Quad);
- }
+ for(Standard_Integer aPtID = 1; aPtID <= aNbPnts; aPtID++)
+ {
+ Standard_Real aU = 0.0, aV = 0.0;
+ if(isTheSurface1Using)
+ theLine->Point(aPtID).ParametersOnS1(aU, aV);
+ else
+ theLine->Point(aPtID).ParametersOnS2(aU, aV);
- wline = new IntPatch_WLine(sline,Standard_False,Line->TransitionOnS1(),Line->TransitionOnS2());
+ if(!theBox.IsOut(gp_Pnt2d(aU, aV)))
+ continue;
- aSPnt = sline->Value(1).Value();
- sline->Value(1).ParametersOnS1(U1,V1);
- sline->Value(1).ParametersOnS2(U2,V2);
- TPntF.SetValue(aSPnt,ArcTol,Standard_False);
- TPntF.SetParameters(U1,V1,U2,V2);
- TPntF.SetParameter(1.);
- wline->AddVertex(TPntF);
- wline->SetFirstPoint(1);
+ Standard_Boolean isInscribe = Standard_False;
- if(hasInternals) {
- PutIntVertices(wline,sline,IsReversed,vline,ArcTol);
- }
-
- aSPnt = sline->Value(sline->NbPoints()).Value();
- sline->Value(sline->NbPoints()).ParametersOnS1(U1,V1);
- sline->Value(sline->NbPoints()).ParametersOnS2(U2,V2);
- TPntL.SetValue(aSPnt,ArcTol,Standard_False);
- TPntL.SetParameters(U1,V1,U2,V2);
- TPntL.SetParameter(sline->NbPoints());
- wline->AddVertex(TPntL);
- wline->SetLastPoint(sline->NbPoints());
+ for(Standard_Integer aUind = 0; !isInscribe && (aUind < aSzOfUPArr); aUind++)
+ {
+ if((aUind > 0) && (aDeltaUPeriod[aUind] == 0.0))
+ {
+ break;
+ }
- IntPatch_SequenceOfLine segm;
- Standard_Boolean isSplited = SplitOnSegments(wline,Standard_False,Line->TransitionOnS1(),Line->TransitionOnS2(),ArcTol,segm);
+ aU += aDeltaUPeriod[aUind];
- if(!isSplited)
- Lines.Append(wline);
- else {
- Standard_Integer nbsegms = segm.Length();
- Standard_Integer iseg = 0;
- for(iseg = 1; iseg <= nbsegms; iseg++)
- Lines.Append(segm(iseg));
- }
+ for(Standard_Integer aVind = 0; !isInscribe && (aVind < aSzOfVPArr); aVind++)
+ {
+ if((aVind > 0) && (aDeltaVPeriod[aVind] == 0.0))
+ {
+ break;
+ }
+
+ aV += aDeltaVPeriod[aVind];
+
+ isInscribe = !theBox.IsOut(gp_Pnt2d(aU, aV));
+ }
+ }
- if(isDecomposited) {
- Findex = Bindex;
- sline = new IntSurf_LineOn2S();
- goto nextline;
+ if(!isInscribe)
+ return Standard_False;
}
+ return Standard_True;
}
-/*
-// <-A
- {
- Standard_Integer aNbPnts;
- Standard_Real aU1,aV1,aU2,aV2;
- gp_Pnt aPx;
- //
- aNbPnts=thelin->NbPoints();
- printf(" WLine: aNbPnts=%d\n", aNbPnts);
- for(i=1; i <= aNbPnts; ++i) {
- const IntSurf_PntOn2S& aPoint = thelin->Value(i);
- aPx=aPoint.Value();
- aPoint.Parameters(aU1, aV1, aU2, aV2);
- printf(" point %d %lf %lf %lf %lf %lf %lf %lf\n",
- i, aPx.X(), aPx.Y(), aPx.Z(), aU1, aV1, aU2, aV2);
- }
- }
-*/
projects / occt.git / blobdiff