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occt/src/ShapeBuild/ShapeBuild_Edge.cxx
tiv 0423218095 0030895: Coding Rules - specify std namespace explicitly for std::cout and streams
"endl" manipulator for Message_Messenger is renamed to "Message_EndLine".

The following entities from std namespace are now used
with std:: explicitly specified (from Standard_Stream.hxx):
std::istream,std::ostream,std::ofstream,std::ifstream,std::fstream,
std::filebuf,std::streambuf,std::streampos,std::ios,std::cout,std::cerr,
std::cin,std::endl,std::ends,std::flush,std::setw,std::setprecision,
std::hex,std::dec.
2019-08-16 12:16:38 +03:00

757 lines
27 KiB
C++

// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
//#4 szv S4163: optimizing
// pdn 20.04.99 S4181 Moving algorithm for transforming pcurves from IGES processor
// abv 05.05.99 S4137: adding methods for copying ranges, reassigning pcurves etc.
#include <BRep_Builder.hxx>
#include <BRep_Curve3D.hxx>
#include <BRep_CurveOnSurface.hxx>
#include <BRep_GCurve.hxx>
#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
#include <BRep_TEdge.hxx>
#include <BRep_Tool.hxx>
#include <BRepBuilderAPI_MakeEdge.hxx>
#include <BRepLib.hxx>
#include <ElCLib.hxx>
#include <Geom2d_BezierCurve.hxx>
#include <Geom2d_BSplineCurve.hxx>
#include <Geom2d_Conic.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom2d_Line.hxx>
#include <Geom2d_OffsetCurve.hxx>
#include <Geom2d_TrimmedCurve.hxx>
#include <Geom2dConvert.hxx>
#include <Geom2dConvert_ApproxCurve.hxx>
#include <Geom_Curve.hxx>
#include <Geom_OffsetCurve.hxx>
#include <Geom_Surface.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <GeomAPI.hxx>
#include <gp_GTrsf2d.hxx>
#include <gp_Lin2d.hxx>
#include <gp_Pln.hxx>
#include <gp_Pnt.hxx>
#include <gp_Trsf2d.hxx>
#include <Precision.hxx>
#include <ShapeBuild_Edge.hxx>
#include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.hxx>
#include <TopExp.hxx>
#include <TopLoc_Location.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Iterator.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopTools_SequenceOfShape.hxx>
//=======================================================================
//function : CopyReplaceVertices
//purpose :
//=======================================================================
TopoDS_Edge ShapeBuild_Edge::CopyReplaceVertices (const TopoDS_Edge& edge,
const TopoDS_Vertex& V1,
const TopoDS_Vertex& V2) const
{
TopTools_SequenceOfShape aNMVertices;
TopoDS_Vertex newV1 = V1, newV2 = V2;
if ( newV1.IsNull() || newV2.IsNull() ) {
TopoDS_Iterator it;
if(edge.Orientation() == TopAbs_FORWARD ||
edge.Orientation() == TopAbs_REVERSED)
{
it.Initialize(edge, Standard_True, Standard_True);
}
else
{
it.Initialize(edge, Standard_False, Standard_True);
}
for ( ; it.More(); it.Next() ) {
TopoDS_Vertex V = TopoDS::Vertex ( it.Value() );
if ( V.Orientation() == TopAbs_FORWARD ) {
if ( newV1.IsNull() ) newV1 = V;
}
else if ( V.Orientation() == TopAbs_REVERSED ) {
if ( newV2.IsNull() ) newV2 = V;
}
else if(V1.IsNull() && V2.IsNull())
aNMVertices.Append(V);
}
}
newV1.Orientation ( TopAbs_FORWARD );
newV2.Orientation ( TopAbs_REVERSED );
//szv#4:S4163:12Mar99 SGI warns
TopoDS_Shape sh = edge.EmptyCopied();
TopoDS_Edge E = TopoDS::Edge( sh );
BRep_Builder B;
if ( ! newV1.IsNull() ) B.Add ( E, newV1 );
if ( ! newV2.IsNull() ) B.Add ( E, newV2 );
//addition of the internal or external vertices to edge
Standard_Integer i =1;
for( ; i <= aNMVertices.Length(); i++)
B.Add ( E,TopoDS::Vertex(aNMVertices.Value(i)));
//S4054, rln 17.11.98 annie_surf.igs entity D77, 3D and pcurve have different
//ranges, after B.Range all the ranges become as 3D
CopyRanges ( E, edge );
/*
for (BRep_ListIteratorOfListOfCurveRepresentation itcr
((*((Handle(BRep_TEdge)*)&edge.TShape()))->ChangeCurves()); itcr.More(); itcr.Next()) {
Handle(BRep_GCurve) GC = Handle(BRep_GCurve)::DownCast(itcr.Value());
if ( GC.IsNull() ) continue;
Standard_Real first, last;
GC->Range ( first, last );
if ( GC->IsCurve3D() )
B.Range ( E, first, last );
else if ( GC->IsCurveOnSurface() )
B.Range (E, GC->Surface(), edge.Location().Multiplied (GC->Location()), first, last);//BUC50003 entity 132 edge 1
}
*/
return E;
}
//=======================================================================
//function : CopyRanges
//purpose :
//=======================================================================
// Added, cause invoke ShapeAnalysis leads to cyclic dependancy.
static Standard_Real AdjustByPeriod(const Standard_Real Val,
const Standard_Real ToVal,
const Standard_Real Period)
{
Standard_Real diff = Val - ToVal;
Standard_Real D = Abs ( diff );
Standard_Real P = Abs ( Period );
if ( D <= 0.5 * P ) return 0.;
if ( P < 1e-100 ) return diff;
return ( diff >0 ? -P : P ) * (Standard_Integer)( D / P + 0.5 );
}
static Standard_Boolean IsPeriodic(const Handle(Geom_Curve)& theCurve)
{
// 15.11.2002 PTV OCC966
// remove regressions in DE tests (diva, divb, divc, toe3) in KAS:dev
// ask IsPeriodic on BasisCurve
Handle(Geom_Curve) aTmpCurve = theCurve;
while ( (aTmpCurve->IsKind(STANDARD_TYPE(Geom_OffsetCurve))) ||
(aTmpCurve->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) ) {
if (aTmpCurve->IsKind(STANDARD_TYPE(Geom_OffsetCurve)))
aTmpCurve = Handle(Geom_OffsetCurve)::DownCast(aTmpCurve)->BasisCurve();
if (aTmpCurve->IsKind(STANDARD_TYPE(Geom_TrimmedCurve)))
aTmpCurve = Handle(Geom_TrimmedCurve)::DownCast(aTmpCurve)->BasisCurve();
}
return aTmpCurve->IsPeriodic();
}
Standard_Boolean IsPeriodic(const Handle(Geom2d_Curve)& theCurve)
{
// 15.11.2002 PTV OCC966
// remove regressions in DE tests (diva, divb, divc, toe3) in KAS:dev
// ask IsPeriodic on BasisCurve
Handle(Geom2d_Curve) aTmpCurve = theCurve;
while ( (aTmpCurve->IsKind(STANDARD_TYPE(Geom2d_OffsetCurve))) ||
(aTmpCurve->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve))) ) {
if (aTmpCurve->IsKind(STANDARD_TYPE(Geom2d_OffsetCurve)))
aTmpCurve = Handle(Geom2d_OffsetCurve)::DownCast(aTmpCurve)->BasisCurve();
if (aTmpCurve->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve)))
aTmpCurve = Handle(Geom2d_TrimmedCurve)::DownCast(aTmpCurve)->BasisCurve();
}
return aTmpCurve->IsPeriodic();
}
void ShapeBuild_Edge::CopyRanges (const TopoDS_Edge& toedge,
const TopoDS_Edge& fromedge,
const Standard_Real alpha,
const Standard_Real beta) const
{
/* BRep_Builder B;
for (BRep_ListIteratorOfListOfCurveRepresentation itcr
((*((Handle(BRep_TEdge)*)&fromedge.TShape()))->ChangeCurves()); itcr.More(); itcr.Next()) {
Handle(BRep_GCurve) GC = Handle(BRep_GCurve)::DownCast(itcr.Value());
if ( GC.IsNull() ) continue;
Standard_Real first, last;
GC->Range ( first, last );
if ( GC->IsCurve3D() )
B.Range ( toedge, first, last );
else if ( GC->IsCurveOnSurface() )
B.Range ( toedge, GC->Surface(), fromedge.Location().Multiplied (GC->Location()), first, last);
}
*/
for (BRep_ListIteratorOfListOfCurveRepresentation fromitcr
((*((Handle(BRep_TEdge)*)&fromedge.TShape()))->ChangeCurves()); fromitcr.More(); fromitcr.Next()) {
Handle(BRep_GCurve) fromGC = Handle(BRep_GCurve)::DownCast(fromitcr.Value());
if ( fromGC.IsNull() ) continue;
Standard_Boolean isC3d = fromGC->IsCurve3D();
if(isC3d) {
if(fromGC->Curve3D().IsNull()) continue; }
else {
if(fromGC->PCurve().IsNull()) continue; }
if ( ! isC3d && ! fromGC->IsCurveOnSurface()) continue; // only 3d curves and pcurves are treated
Handle(Geom_Surface) surface;
TopLoc_Location L;
if ( ! isC3d ) {
surface = fromGC->Surface();
L = fromGC->Location();
}
BRep_ListOfCurveRepresentation& tolist = (*((Handle(BRep_TEdge)*)&toedge.TShape()))->ChangeCurves();
Handle(BRep_GCurve) toGC;
for (BRep_ListIteratorOfListOfCurveRepresentation toitcr (tolist); toitcr.More(); toitcr.Next()) {
toGC = Handle(BRep_GCurve)::DownCast(toitcr.Value());
if ( toGC.IsNull() ) continue;
if ( isC3d ) {
if ( ! toGC->IsCurve3D() ) continue;
}
else if ( ! toGC->IsCurveOnSurface() ||
surface != toGC->Surface() || L != toGC->Location() ) continue;
Standard_Real first = fromGC->First();
Standard_Real last = fromGC->Last();
Standard_Real len = last - first;
Standard_Real newF = first+alpha*len;
Standard_Real newL = first+beta*len;
// PTV: 22.03.2002 fix for edge range.
// file test-m020306-v2.step Shell #665 (Faces #40110. #40239).
Standard_Real aPeriod=1., aCrvF=0., aCrvL=1.;
Standard_Boolean doCheck = Standard_False;
if (toGC->IsKind(STANDARD_TYPE(BRep_Curve3D))) {
Handle(Geom_Curve) aCrv3d = Handle(BRep_Curve3D)::DownCast(toGC)->Curve3D();
// 15.11.2002 PTV OCC966
if ( ! aCrv3d.IsNull() && IsPeriodic(aCrv3d) ) {
aPeriod = aCrv3d->Period();
aCrvF = aCrv3d->FirstParameter();
aCrvL = aCrv3d->LastParameter();
doCheck = Standard_True;
}
}
else if (toGC->IsKind(STANDARD_TYPE(BRep_CurveOnSurface))) {
Handle(Geom2d_Curve) aCrv2d = Handle(BRep_CurveOnSurface)::DownCast(toGC)->PCurve();
// 15.11.2002 PTV OCC966
if (!aCrv2d.IsNull() && IsPeriodic(aCrv2d)) {
aPeriod = aCrv2d->Period();
aCrvF = aCrv2d->FirstParameter();
aCrvL = aCrv2d->LastParameter();
doCheck = Standard_True;
}
}
if ( doCheck && ( (fabs(newF -aCrvF ) > Precision::PConfusion() && newF < aCrvF) || newF >= aCrvL ) ) {
Standard_Real aShift = AdjustByPeriod(newF, 0.5*(aCrvF+aCrvL), aPeriod);
newF += aShift;
newL += aShift;
BRep_Builder().SameRange(toedge,Standard_False);
BRep_Builder().SameParameter(toedge,Standard_False);
}
toGC->SetRange ( newF, newL );
break;
}
}
}
//=======================================================================
//function : SetRange3d
//purpose :
//=======================================================================
void ShapeBuild_Edge::SetRange3d (const TopoDS_Edge& edge,
const Standard_Real first,
const Standard_Real last) const
{
for (BRep_ListIteratorOfListOfCurveRepresentation itcr
((*((Handle(BRep_TEdge)*)&edge.TShape()))->ChangeCurves()); itcr.More(); itcr.Next()) {
Handle(BRep_GCurve) GC = Handle(BRep_GCurve)::DownCast(itcr.Value());
if ( GC.IsNull() || !GC->IsCurve3D() ) continue;
GC->SetRange ( first, last );
break;
}
}
//=======================================================================
//function : CopyPCurves
//purpose :
//=======================================================================
void ShapeBuild_Edge::CopyPCurves (const TopoDS_Edge& toedge, const TopoDS_Edge& fromedge) const
{
TopLoc_Location fromLoc = fromedge.Location();
TopLoc_Location toLoc = toedge.Location();
for (BRep_ListIteratorOfListOfCurveRepresentation fromitcr
((*((Handle(BRep_TEdge)*)&fromedge.TShape()))->ChangeCurves()); fromitcr.More(); fromitcr.Next()) {
Handle(BRep_GCurve) fromGC = Handle(BRep_GCurve)::DownCast(fromitcr.Value());
if ( fromGC.IsNull() ) continue;
if ( fromGC->IsCurveOnSurface() ) {
Handle(Geom_Surface) surface = fromGC->Surface();
TopLoc_Location L = fromGC->Location();
Standard_Boolean found = Standard_False;
BRep_ListOfCurveRepresentation& tolist = (*((Handle(BRep_TEdge)*)&toedge.TShape()))->ChangeCurves();
Handle(BRep_GCurve) toGC;
for (BRep_ListIteratorOfListOfCurveRepresentation toitcr (tolist); toitcr.More() && !found; toitcr.Next()) {
toGC = Handle(BRep_GCurve)::DownCast(toitcr.Value());
if ( toGC.IsNull() || !toGC->IsCurveOnSurface() ||
surface != toGC->Surface() || L != toGC->Location() ) continue;
found = Standard_True;
break;
}
if (!found) {
toGC = Handle(BRep_GCurve)::DownCast(fromGC->Copy());
tolist.Append (toGC);
}
Handle(Geom2d_Curve) pcurve = fromGC->PCurve();
toGC->PCurve(Handle(Geom2d_Curve)::DownCast(pcurve->Copy()));
//bug OCC209 invalid location of pcurve in the edge after copying
TopLoc_Location newLoc = (fromLoc*L).Predivided(toLoc);//(L * fromLoc).Predivided(toLoc);
toGC->Location(newLoc);
if ( fromGC->IsCurveOnClosedSurface() ) {
pcurve = fromGC->PCurve2();
toGC->PCurve2(Handle(Geom2d_Curve)::DownCast(pcurve->Copy()));
}
}
}
}
//=======================================================================
//function : Copy
//purpose :
//=======================================================================
TopoDS_Edge ShapeBuild_Edge::Copy (const TopoDS_Edge &edge,
const Standard_Boolean sharepcurves) const
{
TopoDS_Vertex dummy1, dummy2;
TopoDS_Edge newedge = CopyReplaceVertices ( edge, dummy1, dummy2 );
if ( ! sharepcurves ) CopyPCurves ( newedge, edge );
return newedge;
}
//=======================================================================
//function : RemovePCurve
//purpose :
//=======================================================================
void ShapeBuild_Edge::RemovePCurve (const TopoDS_Edge& edge,
const TopoDS_Face& face) const
{
BRep_Builder B;
Handle(Geom2d_Curve) c2dNull;
//:S4136 Standard_Real tol = BRep_Tool::Tolerance ( edge );
if ( BRep_Tool::IsClosed ( edge, face ) )
B.UpdateEdge ( edge, c2dNull, c2dNull, face, 0. ); //:S4136: tol
else B.UpdateEdge ( edge, c2dNull, face, 0. ); //:S4136: tol
}
//=======================================================================
//function : RemovePCurve
//purpose :
//=======================================================================
void ShapeBuild_Edge::RemovePCurve (const TopoDS_Edge& edge,
const Handle(Geom_Surface)& surf) const
{
RemovePCurve ( edge, surf, TopLoc_Location() );
}
//=======================================================================
//function : RemovePCurve
//purpose :
//=======================================================================
void ShapeBuild_Edge::RemovePCurve (const TopoDS_Edge& edge,
const Handle(Geom_Surface)& surf,
const TopLoc_Location &loc) const
{
BRep_Builder B;
Handle(Geom2d_Curve) c2dNull;
//:S4136 Standard_Real tol = BRep_Tool::Tolerance ( edge );
if ( BRep_Tool::IsClosed ( edge, surf, loc ) )
B.UpdateEdge ( edge, c2dNull, c2dNull, surf, loc, 0. ); //:S4136: tol
else B.UpdateEdge ( edge, c2dNull, surf, loc, 0. ); //:S4136: tol
}
//=======================================================================
//function : ReplacePCurve
//purpose :
//=======================================================================
void ShapeBuild_Edge::ReplacePCurve (const TopoDS_Edge& edge,
const Handle(Geom2d_Curve)& pcurve,
const TopoDS_Face& face) const
{
BRep_Builder B;
Standard_Real f,l;
TopoDS_Shape dummy = edge.Reversed();
TopoDS_Edge edgerev = TopoDS::Edge(dummy);
// reverse face to take second pcurve for seams like SA_Edge::PCurve() does
TopoDS_Face F = TopoDS::Face(face.Oriented ( TopAbs_FORWARD ) );
Handle(Geom2d_Curve) pcurve0 = BRep_Tool::CurveOnSurface(edge,F,f,l);
Handle(Geom2d_Curve) c2d = BRep_Tool::CurveOnSurface(edgerev,F,f,l);
// Add pcurve to edge (either as single, or as seam)
if ( c2d.IsNull() || c2d == pcurve0 ) { // non-seam
B.UpdateEdge(edge,pcurve,face,0);
}
else { // seam
if(edge.Orientation()==TopAbs_FORWARD)
B.UpdateEdge(edge,pcurve,c2d,face,0);
else
B.UpdateEdge(edge,c2d,pcurve,face,0);
}
B.Range ( edge, face, f, l );
}
//=======================================================================
//function : ReassignPCurve
//purpose :
//=======================================================================
// Count exact number of pcurves STORED in edge for face
// This makes difference for faces based on plane surfaces where pcurves can be
// not stored but returned by BRep_Tools::CurveOnSurface
static Standard_Integer CountPCurves (const TopoDS_Edge &edge,
const TopoDS_Face &face)
{
TopLoc_Location L;
Handle(Geom_Surface) S = BRep_Tool::Surface ( face, L );
TopLoc_Location l = L.Predivided(edge.Location());
for (BRep_ListIteratorOfListOfCurveRepresentation itcr
((*((Handle(BRep_TEdge)*)&edge.TShape()))->ChangeCurves()); itcr.More(); itcr.Next()) {
Handle(BRep_GCurve) GC = Handle(BRep_GCurve)::DownCast(itcr.Value());
if ( ! GC.IsNull() && GC->IsCurveOnSurface ( S, l ) )
return ( GC->IsCurveOnClosedSurface() ? 2 : 1 );
}
return 0;
}
Standard_Boolean ShapeBuild_Edge::ReassignPCurve (const TopoDS_Edge& edge,
const TopoDS_Face& old,
const TopoDS_Face& sub) const
{
Standard_Integer npcurves = CountPCurves ( edge, old );
//if ( npcurves <1 ) return Standard_False; //gka
Standard_Real f, l;
Handle(Geom2d_Curve) pc;
pc = BRep_Tool::CurveOnSurface ( edge, old, f, l );
if ( pc.IsNull() ) return Standard_False;
else if( npcurves == 0) npcurves =1; //gka
BRep_Builder B;
// if the pcurve was only one, remove; else leave second one
if ( npcurves >1 ) {
//smh#8 Porting AIX
TopoDS_Shape tmpshape = edge.Reversed();
TopoDS_Edge erev = TopoDS::Edge (tmpshape);
Handle(Geom2d_Curve) pc2 = BRep_Tool::CurveOnSurface ( erev, old, f, l );
B.UpdateEdge ( edge, pc2, old, 0. );
B.Range ( edge, old, f, l );
}
else RemovePCurve ( edge, old );
// if edge does not have yet pcurves on sub, just add; else add as first
Standard_Integer npcs = CountPCurves ( edge, sub );
if ( npcs <1 ) B.UpdateEdge ( edge, pc, sub, 0. );
else {
//smh#8 Porting AIX
TopoDS_Shape tmpshape = edge.Reversed();
TopoDS_Edge erev = TopoDS::Edge (tmpshape);
Standard_Real cf, cl;
Handle(Geom2d_Curve) pcs = BRep_Tool::CurveOnSurface ( erev, sub, cf, cl );
if ( edge.Orientation() == TopAbs_REVERSED ) // because B.UpdateEdge does not check edge orientation
B.UpdateEdge ( edge, pcs, pc, sub, 0. );
else B.UpdateEdge ( edge, pc, pcs, sub, 0. );
}
B.Range ( edge, sub, f, l );
return Standard_True;
}
//=======================================================================
//function : TransformPCurve
//purpose :
//=======================================================================
Handle(Geom2d_Curve) ShapeBuild_Edge::TransformPCurve(const Handle(Geom2d_Curve)& pcurve,
const gp_Trsf2d& trans,
const Standard_Real uFact,
Standard_Real& aFirst,
Standard_Real& aLast) const
{
Handle(Geom2d_Curve) result = Handle(Geom2d_Curve)::DownCast(pcurve->Copy());
if(trans.Form()!=gp_Identity) {
result->Transform (trans);
aFirst = result->TransformedParameter(aFirst,trans);
aLast = result->TransformedParameter(aLast, trans);
}
if(uFact==1.)
return result;
if (result->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve))) {
Handle(Geom2d_TrimmedCurve) thecurve = Handle(Geom2d_TrimmedCurve)::DownCast(result);
result = thecurve->BasisCurve();
}
gp_GTrsf2d tMatu;
tMatu.SetAffinity(gp::OY2d(), uFact);
gp_XY pXY;
if (result->IsKind(STANDARD_TYPE(Geom2d_Line))) {
Handle(Geom2d_Line) aLine2d = Handle(Geom2d_Line)::DownCast(result);
gp_Pnt2d Pf, Pl;
aLine2d->D0(aFirst,Pf);
pXY = Pf.XY();
tMatu.Transforms(pXY);
Pf.SetXY(pXY);
aLine2d->D0(aLast, Pl);
pXY = Pl.XY();
tMatu.Transforms(pXY);
Pl.SetXY(pXY);
gp_Lin2d line2d(Pf, gp_Dir2d(gp_Vec2d(Pf,Pl)));
aFirst = ElCLib::Parameter(line2d, Pf);
aLast = ElCLib::Parameter(line2d, Pl);
Handle(Geom2d_Line) Gline2d = new Geom2d_Line(line2d);
return Gline2d;
}
else if(result->IsKind(STANDARD_TYPE(Geom2d_BezierCurve))) {
Handle(Geom2d_BezierCurve) bezier = Handle(Geom2d_BezierCurve)::DownCast(result);
// transform the Poles of the BSplineCurve
Standard_Integer nbPol = bezier->NbPoles();
gp_Pnt2d Pt1;
for (Standard_Integer i = 1; i<=nbPol ; i++) {
pXY = bezier->Pole(i).XY();
tMatu.Transforms(pXY);
Pt1.SetXY(pXY);
bezier->SetPole(i, Pt1);
}
return bezier;
} else {
Handle(Geom2d_BSplineCurve) aBSpline2d;
if(result->IsKind(STANDARD_TYPE(Geom2d_Conic))) {
//gp_Pln pln(gp_Pnt(0,0,0),gp_Dir(0,0,1));
//Handle(Geom_Curve) curve = GeomAPI::To3d(result,pln);
Handle(Geom2d_Curve) tcurve = new Geom2d_TrimmedCurve(result,aFirst,aLast); //protection agains parabols ets
Geom2dConvert_ApproxCurve approx (tcurve, Precision::Approximation(),
GeomAbs_C1, 100, 6 );
if ( approx.HasResult() )
aBSpline2d = approx.Curve();
else
aBSpline2d = Geom2dConvert::CurveToBSplineCurve(tcurve,Convert_QuasiAngular);
aFirst = aBSpline2d->FirstParameter();
aLast = aBSpline2d->LastParameter();
}
else if(!result->IsKind(STANDARD_TYPE(Geom2d_BSplineCurve))) {
aBSpline2d = Geom2dConvert::CurveToBSplineCurve(result,Convert_QuasiAngular);
}
else
aBSpline2d = Handle(Geom2d_BSplineCurve)::DownCast(result);
// transform the Poles of the BSplineCurve
Standard_Integer nbPol = aBSpline2d->NbPoles();
gp_Pnt2d Pt1;
for (Standard_Integer i = 1; i<=nbPol ; i++) {
pXY = aBSpline2d->Pole(i).XY();
tMatu.Transforms(pXY);
Pt1.SetXY(pXY);
aBSpline2d->SetPole(i, Pt1);
}
return aBSpline2d;
}
}
//=======================================================================
//function : RemoveCurve3d
//purpose :
//=======================================================================
void ShapeBuild_Edge::RemoveCurve3d (const TopoDS_Edge& edge) const
{
BRep_Builder B;
Handle(Geom_Curve) c3dNull;
//:S4136 Standard_Real tol = BRep_Tool::Tolerance (edge);
B.UpdateEdge (edge, c3dNull, 0. ); //:S4136: tol
}
//=======================================================================
//function : BuildCurve3d
//purpose :
//=======================================================================
Standard_Boolean ShapeBuild_Edge::BuildCurve3d (const TopoDS_Edge& edge) const
{
try {
OCC_CATCH_SIGNALS
//#48 rln 10.12.98 S4054 UKI60107-5 entity 365
//C0 surface (but curve 3d is required as C1) and tolerance is 1e-07
//lets use maximum of tolerance and default parameter 1.e-5
//Another solutions: use quite big Tolerance or require C0 curve on C0 surface
if ( BRepLib::BuildCurve3d (edge, Max (1.e-5, BRep_Tool::Tolerance(edge) ) ) ) {
//#50 S4054 rln 14.12.98 write cylinder in BRep mode into IGES and read back
//with 2DUse_Forced - pcurve and removed 3D curves have different ranges
if (BRep_Tool::SameRange (edge)) {
Standard_Real first, last;
BRep_Tool::Range (edge, first, last);
BRep_Builder().Range (edge, first, last);//explicit setting for all reps
}
Handle(Geom_Curve) c3d;
Standard_Real f,l;
c3d = BRep_Tool::Curve(edge,f,l);
if (c3d.IsNull())
return Standard_False;
// 15.11.2002 PTV OCC966
if(!IsPeriodic(c3d)) {
Standard_Boolean isLess = Standard_False;
if(f < c3d->FirstParameter()) {
isLess = Standard_True;
f = c3d->FirstParameter();
}
if(l > c3d->LastParameter()) {
isLess = Standard_True;
l = c3d->LastParameter();
}
if(isLess) {
SetRange3d(edge,f,l);
BRep_Builder().SameRange(edge,Standard_False);
}
}
return Standard_True;
}
}
catch(Standard_Failure const& anException) {
#ifdef OCCT_DEBUG
std::cout << "\nWarning: ShapeBuild_Edge: Exception in BuildCurve3d: ";
anException.Print(std::cout); std::cout << std::endl;
#endif
(void)anException;
}
return Standard_False;
}
//=======================================================================
//function : MakeEdge
//purpose :
//=======================================================================
void ShapeBuild_Edge::MakeEdge(TopoDS_Edge& edge,const Handle(Geom_Curve)& curve,const TopLoc_Location& L) const
{
MakeEdge (edge,curve, L, curve->FirstParameter(), curve->LastParameter());
}
//=======================================================================
//function : MakeEdge
//purpose :
//=======================================================================
void ShapeBuild_Edge::MakeEdge(TopoDS_Edge& edge,const Handle(Geom_Curve)& curve,const TopLoc_Location& L,const Standard_Real p1,const Standard_Real p2) const
{
BRepBuilderAPI_MakeEdge ME (curve, p1, p2);
if (!ME.IsDone()) {
#ifdef OCCT_DEBUG
std::cout << "\nWarning: ShapeBuild_Edge::MakeEdge BRepAPI_NotDone";
#endif
return;
}
TopoDS_Edge E = ME.Edge();
if (!L.IsIdentity()) {
BRep_Builder B;
B.UpdateEdge (E, curve, L, 0.);
B.Range (E, p1, p2);
TopoDS_Vertex V1, V2;
TopExp::Vertices (E, V1, V2);
gp_Pnt P1 = BRep_Tool::Pnt (V1), P2 = BRep_Tool::Pnt (V2);
B.UpdateVertex (V1, P1.Transformed (L.Transformation()), 0.);
B.UpdateVertex (V2, P2.Transformed (L.Transformation()), 0.);
}
edge = E;
return;
}
//=======================================================================
//function : MakeEdge
//purpose :
//=======================================================================
void ShapeBuild_Edge::MakeEdge(TopoDS_Edge& edge,const Handle(Geom2d_Curve)& pcurve,const TopoDS_Face& face) const
{
MakeEdge (edge, pcurve, face, pcurve->FirstParameter(), pcurve->LastParameter());
}
//=======================================================================
//function : MakeEdge
//purpose :
//=======================================================================
void ShapeBuild_Edge::MakeEdge(TopoDS_Edge& edge,const Handle(Geom2d_Curve)& pcurve,const TopoDS_Face& face,const Standard_Real p1,const Standard_Real p2) const
{
TopLoc_Location L;
const Handle(Geom_Surface)& S = BRep_Tool::Surface(face, L);
MakeEdge (edge, pcurve, S, L, p1, p2);
}
//=======================================================================
//function : MakeEdge
//purpose :
//=======================================================================
void ShapeBuild_Edge::MakeEdge(TopoDS_Edge& edge,const Handle(Geom2d_Curve)& pcurve,
const Handle(Geom_Surface)& S,const TopLoc_Location& L) const
{
MakeEdge(edge, pcurve, S, L, pcurve->FirstParameter(), pcurve->LastParameter());
}
//=======================================================================
//function : MakeEdge
//purpose :
//=======================================================================
void ShapeBuild_Edge::MakeEdge(TopoDS_Edge& edge,const Handle(Geom2d_Curve)& pcurve,
const Handle(Geom_Surface)& S,const TopLoc_Location& L,
const Standard_Real p1,const Standard_Real p2) const
{
BRepBuilderAPI_MakeEdge ME (pcurve, S, p1, p2);
if (!ME.IsDone()) {
#ifdef OCCT_DEBUG
std::cout << "\nWarning: ShapeBuild_Edge::MakeEdge BRepAPI_NotDone";
#endif
return;
}
TopoDS_Edge E = ME.Edge();
if (!L.IsIdentity()) {
RemovePCurve (E, S);
BRep_Builder B;
B.UpdateEdge (E, pcurve, S, L, 0.);
B.Range (E, S, L, p1, p2);
TopoDS_Vertex V1, V2;
TopExp::Vertices (E, V1, V2);
gp_Pnt P1 = BRep_Tool::Pnt (V1), P2 = BRep_Tool::Pnt (V2);
B.UpdateVertex (V1, P1.Transformed (L.Transformation()), 0.);
B.UpdateVertex (V2, P2.Transformed (L.Transformation()), 0.);
}
edge = E;
return;
}