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OCCT/src/BRepFill/BRepFill_Pipe.cxx
jgv 8e81749770 0024880: Invalid result of pipe creation 
Modified test case bugs/modalg_5/bug24840 according to new behavior. Added checkshape.
2014-05-22 17:04:11 +04:00

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// Created on: 1994-06-07
// Created by: Bruno DUMORTIER
// Copyright (c) 1994-1999 Matra Datavision
// 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.
#include <BRepFill_Pipe.ixx>
#include <Standard_ErrorHandler.hxx>
#include <BRep_Tool.hxx>
#include <BRep_Builder.hxx>
#include <BRepClass3d_SolidClassifier.hxx>
#include <BRepLib_MakeVertex.hxx>
#include <BRepTools_Substitution.hxx>
#include <GeomFill_CorrectedFrenet.hxx>
#include <GeomFill_Frenet.hxx>
#include <GeomFill_DiscreteTrihedron.hxx>
#include <GeomFill_CurveAndTrihedron.hxx>
#include <BRepFill_SectionPlacement.hxx>
#include <BRepFill_ShapeLaw.hxx>
#include <BRepFill_Edge3DLaw.hxx>
#include <BRepFill_Sweep.hxx>
#include <GeomAbs_Shape.hxx>
#include <TopExp.hxx>
#include <TopAbs_ShapeEnum.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shell.hxx>
#include <TopoDS_Solid.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Iterator.hxx>
#include <TopTools_DataMapOfShapeInteger.hxx>
#include <TColStd_DataMapOfIntegerInteger.hxx>
#include <TColStd_DataMapIteratorOfDataMapOfIntegerInteger.hxx>
#include <Precision.hxx>
#include <Standard_NotImplemented.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <Geom_OffsetCurve.hxx>
#include <Geom_BSplineCurve.hxx>
#include <BRepBuilderAPI_Transform.hxx>
#include <BRepBuilderAPI_Copy.hxx>
#include <TopTools_SequenceOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <BRepLib.hxx>
#include <Geom2dAdaptor_HCurve.hxx>
#include <GeomAdaptor_HSurface.hxx>
#include <Adaptor3d_CurveOnSurface.hxx>
#include <ShapeUpgrade_RemoveLocations.hxx>
#ifdef DRAW
#include <DBRep.hxx>
static Standard_Boolean Affich = 0;
#endif
static void ReverseModifiedEdges(TopoDS_Shape& aShape,
TopTools_MapOfShape& Emap)
{
TopExp_Explorer Explo(aShape, TopAbs_FACE);
BRep_Builder BB;
for (; Explo.More(); Explo.Next())
{
TopoDS_Shape aFace = Explo.Current();
TopoDS_Iterator itf(aFace);
for (; itf.More(); itf.Next())
{
TopoDS_Shape aWire = itf.Value();
TopTools_ListOfShape Ledges;
TopoDS_Iterator itw(aWire);
for (; itw.More(); itw.Next())
Ledges.Append(itw.Value());
aWire.Free(Standard_True);
TopTools_ListIteratorOfListOfShape itl(Ledges);
for (; itl.More(); itl.Next())
BB.Remove(aWire, itl.Value());
for (itl.Initialize(Ledges); itl.More(); itl.Next())
{
TopoDS_Shape anEdge = itl.Value();
if (Emap.Contains(anEdge))
anEdge.Reverse();
BB.Add(aWire, anEdge);
}
}
}
}
static void UpdateTolFromTopOrBottomPCurve(const TopoDS_Face& aFace,
TopoDS_Edge& anEdge)
{
Standard_Real fpar, lpar;
Handle(Geom2d_Curve) aPCurve = BRep_Tool::CurveOnSurface(anEdge, aFace, fpar, lpar);
if (aPCurve.IsNull())
return;
Handle(Geom_Curve) aCurve = BRep_Tool::Curve(anEdge, fpar, lpar);
if (aCurve.IsNull())
return;
Handle(Geom2dAdaptor_HCurve) GAHC2d = new Geom2dAdaptor_HCurve(aPCurve, fpar, lpar);
Handle(Geom_Surface) aSurf = BRep_Tool::Surface(aFace);
Handle(GeomAdaptor_HSurface) GAHS = new GeomAdaptor_HSurface(aSurf);
Adaptor3d_CurveOnSurface ConS(GAHC2d, GAHS);
Standard_Real Tol = BRep_Tool::Tolerance(anEdge);
Standard_Real InitTol = Tol;
Standard_Real TolTol = Tol*Tol;
const Standard_Integer NCONTROL = 22;
Standard_Real delta = (lpar - fpar)/NCONTROL;
for (Standard_Integer i = 0; i <= NCONTROL; i++)
{
Standard_Real par = fpar + i*delta;
gp_Pnt pnt = aCurve->Value(par);
gp_Pnt prj = ConS.Value(par);
Standard_Real sqdist = pnt.SquareDistance(prj);
if (sqdist > TolTol)
TolTol = sqdist;
}
Tol = 1.00005 * Sqrt(TolTol);
if (Tol >= InitTol)
{
BRep_Builder BB;
BB.UpdateEdge(anEdge, Tol);
TopoDS_Iterator itv(anEdge);
for (; itv.More(); itv.Next())
{
TopoDS_Vertex aVertex = TopoDS::Vertex(itv.Value());
BB.UpdateVertex(aVertex, Tol);
}
}
}
//=======================================================================
//function : BRepFill_Pipe
//purpose :
//=======================================================================
BRepFill_Pipe::BRepFill_Pipe()
{
myDegmax = 11;
mySegmax = 100;
myContinuity = GeomAbs_C2;
myMode = GeomFill_IsCorrectedFrenet;
myForceApproxC1 = Standard_False;
myCurIndexOfSectionEdge = 1;
}
//=======================================================================
//function : BRepFill_Pipe
//purpose :
//=======================================================================
BRepFill_Pipe::BRepFill_Pipe(const TopoDS_Wire& Spine,
const TopoDS_Shape& Profile,
const GeomFill_Trihedron aMode,
const Standard_Boolean ForceApproxC1,
const Standard_Boolean KPart)
{
myDegmax = 11;
mySegmax = 100;
myMode = GeomFill_IsCorrectedFrenet;
if (aMode == GeomFill_IsFrenet ||
aMode == GeomFill_IsCorrectedFrenet ||
aMode == GeomFill_IsDiscreteTrihedron)
myMode = aMode;
myContinuity = GeomAbs_C2;
if (myMode == GeomFill_IsDiscreteTrihedron)
myContinuity = GeomAbs_C0;
myForceApproxC1 = ForceApproxC1;
myCurIndexOfSectionEdge = 1;
Perform(Spine, Profile, KPart);
}
//=======================================================================
//function : Perform
//purpose :
//=======================================================================
void BRepFill_Pipe::Perform(const TopoDS_Wire& Spine,
const TopoDS_Shape& Profile,
const Standard_Boolean /*KPart*/)
{
mySections.Nullify();
myFaces.Nullify();
myEdges.Nullify();
mySpine = Spine;
myProfile = Profile;
DefineRealSegmax();
BRepTools_WireExplorer wexp;
TopoDS_Shape TheProf;
Handle(GeomFill_TrihedronLaw) TLaw;
switch (myMode)
{
case GeomFill_IsFrenet:
TLaw = new GeomFill_Frenet();
break;
case GeomFill_IsCorrectedFrenet:
TLaw = new GeomFill_CorrectedFrenet();
break;
case GeomFill_IsDiscreteTrihedron:
TLaw = new GeomFill_DiscreteTrihedron();
break;
default:
break;
}
Handle(GeomFill_CurveAndTrihedron) Loc =
new (GeomFill_CurveAndTrihedron) (TLaw);
myLoc = new (BRepFill_Edge3DLaw) (mySpine, Loc);
if (myLoc->NbLaw() == 0) {
return; // Degenerated case
}
myLoc->TransformInG0Law(); // Set into continuity
BRepFill_SectionPlacement Place(myLoc, Profile);
myTrsf = Place.Transformation();
TopLoc_Location Loc2(myTrsf), Loc1;
Loc1 = Profile.Location();
TopoDS_Shape aux;
TheProf = myProfile;
TheProf.Location(Loc2.Multiplied(Loc1));
// Construct First && Last Shape
Handle(GeomFill_LocationLaw) law;
gp_Mat M;
gp_Vec V;
gp_Trsf fila;
Standard_Real first, last;
myLoc->Law(1)->GetDomain(first, last);
myLoc->Law(1)->D0(first, M, V);
fila.SetValues(M(1,1), M(1,2), M(1,3), V.X(),
M(2,1), M(2,2), M(2,3), V.Y(),
M(3,1), M(3,2), M(3,3), V.Z(),
1.e-12, 1.e-14);
fila.Multiply(myTrsf);
TopLoc_Location LocFirst(fila);
myFirst = myProfile;
if ( ! LocFirst.IsIdentity()) {
//myFirst.Location( LocFirst.Multiplied(myProfile.Location()) );
myFirst = BRepBuilderAPI_Transform(myProfile, fila, Standard_True); //copy
}
ShapeUpgrade_RemoveLocations RemLoc;
RemLoc.Remove(myFirst);
myFirst = RemLoc.GetResult();
TopLoc_Location theLoc = myFirst.Location();
if (!theLoc.IsIdentity())
{
TopoDS_Shape NewMyFirst = BRepBuilderAPI_Copy(myFirst);
RemLoc.Remove(NewMyFirst);
NewMyFirst = RemLoc.GetResult();
TopLoc_Location theIdentity;
NewMyFirst.Location(theIdentity);
myFirst = BRepBuilderAPI_Transform(NewMyFirst, theLoc.Transformation(), Standard_True);
}
myLoc->Law(myLoc->NbLaw())->GetDomain(first, last);
myLoc->Law(myLoc->NbLaw())->D0(last,M, V);
// try { // Not good, but there are no other means to test SetValues
fila.SetValues(M(1,1), M(1,2), M(1,3), V.X(),
M(2,1), M(2,2), M(2,3), V.Y(),
M(3,1), M(3,2), M(3,3), V.Z(),
1.e-12, 1.e-14);
fila.Multiply(myTrsf);
TopLoc_Location LocLast(fila);
if (! myLoc->IsClosed() || LocFirst != LocLast) {
myLast = myProfile;
if ( ! LocLast.IsIdentity()) {
//myLast.Location(LocLast.Multiplied(myProfile.Location()) );
myLast = BRepBuilderAPI_Transform(myProfile, fila, Standard_True); //copy
}
}
else {
myLast = myFirst;
}
RemLoc.Remove(myLast);
myLast = RemLoc.GetResult();
theLoc = myLast.Location();
if (!theLoc.IsIdentity())
{
TopoDS_Shape NewMyLast = BRepBuilderAPI_Copy(myLast);
RemLoc.Remove(NewMyLast);
NewMyLast = RemLoc.GetResult();
TopLoc_Location theIdentity;
NewMyLast.Location(theIdentity);
myLast = BRepBuilderAPI_Transform(NewMyLast, theLoc.Transformation(), Standard_True);
}
#if DRAW
if (Affich) {
DBRep::Set("theprof", TheProf);
DBRep::Set("thefirst", myFirst);
DBRep::Set("thelast" , myLast);
}
#endif
myShape = MakeShape(TheProf, myFirst, myLast);
}
//=======================================================================
//function : Spine
//purpose :
//=======================================================================
const TopoDS_Shape& BRepFill_Pipe::Spine() const
{
return mySpine;
}
//=======================================================================
//function : Profile
//purpose :
//=======================================================================
const TopoDS_Shape& BRepFill_Pipe::Profile() const
{
return myProfile;
}
//=======================================================================
//function : Shape
//purpose :
//=======================================================================
const TopoDS_Shape& BRepFill_Pipe::Shape() const
{
return myShape;
}
//=======================================================================
//function : FirstShape
//purpose :
//=======================================================================
const TopoDS_Shape& BRepFill_Pipe::FirstShape() const
{
return myFirst;
}
//=======================================================================
//function : LastShape
//purpose :
//=======================================================================
const TopoDS_Shape& BRepFill_Pipe::LastShape() const
{
return myLast;
}
//=======================================================================
//function : Face
//purpose :
//=======================================================================
TopoDS_Face BRepFill_Pipe::Face(const TopoDS_Edge& ESpine,
const TopoDS_Edge& EProfile)
{
TopoDS_Face theFace;
if ( BRep_Tool::Degenerated(EProfile))
return theFace;
Standard_Integer ii, ispin = 0, iprof = 0, count = 0;
// *************************************************
// Search if EProfile is an edge of myProfile
// *************************************************
iprof = FindEdge(myProfile, EProfile, count);
if (!iprof) Standard_DomainError::Raise(
"BRepFill_Pipe::Face : Edge not in the Profile");
// *************************************************
// Search if ESpine is an edge of mySpine and find
// the index of the corresponding Filler
// *************************************************
for (ii=1; ii<=myLoc->NbLaw() && (!ispin); ii++)
if (ESpine.IsSame(myLoc->Edge(ii))) ispin = ii;
if (!ispin) Standard_DomainError::Raise(
"BRepFill_Pipe::Edge : Edge not in the Spine");
theFace = TopoDS::Face(myFaces->Value(iprof, ispin));
return theFace;
}
//=======================================================================
//function : Edge
//purpose :
//=======================================================================
TopoDS_Edge BRepFill_Pipe::Edge(const TopoDS_Edge& ESpine,
const TopoDS_Vertex& VProfile)
{
Standard_Integer ii, ispin = 0, iprof = 0, count = 0;;
// *************************************************
// Search if VProfile is a Vertex of myProfile
// *************************************************
iprof = FindVertex(myProfile, VProfile, count);
if (!iprof) Standard_DomainError::Raise(
"BRepFill_Pipe::Edge : Vertex not in the Profile");
// *************************************************
// Search if ESpine is an edge of mySpine and find
// the index of the corresponding Filler
// *************************************************
for (ii=1; ii<=myLoc->NbLaw() && (!ispin); ii++)
if (ESpine.IsSame(myLoc->Edge(ii))) ispin = ii;
if (!ispin) Standard_DomainError::Raise(
"BRepFill_Pipe::Edge : Edge not in the Spine");
// *************************************************
// Generate the corresponding Shape
// *************************************************
TopoDS_Edge theEdge;
theEdge = TopoDS::Edge(myEdges->Value(iprof, ispin));
return theEdge;
}
//=======================================================================
//function : Section
//purpose :
//=======================================================================
TopoDS_Shape BRepFill_Pipe::Section(const TopoDS_Vertex& VSpine) const
{
TopoDS_Iterator it, itv;
Standard_Integer ii, ispin = 0;
TopoDS_Shape curSect = myProfile;
// *************************************************
// Search if ESpine is an edge of mySpine and find
// the index of the corresponding Filler
// *************************************************
// iterate on all the edges of mySpine
for (ii=1; ii<=myLoc->NbLaw()+1 && (!ispin); ii++)
if (VSpine.IsSame(myLoc->Vertex(ii))) ispin = ii;
if (!ispin) Standard_DomainError::Raise(
"BRepFill_Pipe::Section : Vertex not in the Spine");
BRep_Builder B;
TopoDS_Compound Comp;
B.MakeCompound(Comp);
for (ii=1; ii<=mySections->ColLength(); ii++)
B.Add(Comp, mySections->Value(ii, ispin));
return Comp;
}
//=======================================================================
//function : PipeLine
//purpose : Construct a wire by sweeping of a point
//=======================================================================
TopoDS_Wire BRepFill_Pipe::PipeLine(const gp_Pnt& Point)
{
// Postioning
gp_Pnt P;
P = Point;
P.Transform(myTrsf);
BRepLib_MakeVertex MkV(P);
Handle(BRepFill_ShapeLaw) Section =
new (BRepFill_ShapeLaw) (MkV.Vertex());
// Sweeping
BRepFill_Sweep MkSw(Section, myLoc, Standard_True);
MkSw.SetForceApproxC1(myForceApproxC1);
MkSw.Build( myReversedEdges, myTapes, myRails,
BRepFill_Modified, myContinuity, GeomFill_Location, myDegmax, mySegmax );
TopoDS_Shape aLocalShape = MkSw.Shape();
return TopoDS::Wire(aLocalShape);
// return TopoDS::Wire(MkSw.Shape());
}
//=======================================================================
//function : MakeShape
//purpose :
//=======================================================================
TopoDS_Shape BRepFill_Pipe::MakeShape(const TopoDS_Shape& S,
const TopoDS_Shape& FirstShape,
const TopoDS_Shape& LastShape)
{
TopoDS_Shape result;
BRep_Builder B;
Standard_Boolean explode = Standard_False;
TopoDS_Shape TheS, TheFirst, TheLast;
Standard_Integer InitialLength = 0;
TheS = S;
TheFirst = FirstShape;
TheLast = LastShape;
if (! myFaces.IsNull()) InitialLength = myFaces->ColLength();
// there are two kinds of generation
// 1. generate with S from each Filler (Vertex, Edge)
// 2. call MakeShape recursively on the subshapes of S
//
// explode is True in the second case
// create the result empty
switch (S.ShapeType()) {
case TopAbs_VERTEX :
{
B.MakeWire(TopoDS::Wire(result));
break;
}
case TopAbs_EDGE :
{
TopoDS_Wire W;
B.MakeShell(TopoDS::Shell(result));
B.MakeWire(W);
B.Add(W, S);
W.Closed(S.Closed());
TheS = W;
if (!FirstShape.IsNull()) {
B.MakeWire(W);
B.Add(W, FirstShape);
W.Closed(FirstShape.Closed());
TheFirst = W;
}
if (!LastShape.IsNull()) {
B.MakeWire(W);
B.Add(W, LastShape);
W.Closed(LastShape.Closed());
TheLast = W;
}
break;
}
case TopAbs_WIRE :
B.MakeShell(TopoDS::Shell(result));
break;
case TopAbs_FACE :
{
B.MakeShell(TopoDS::Shell(result));
explode = Standard_True;
if ( !mySpine.Closed() && !TheFirst.IsNull()) {
B.Add(result, TheFirst.Reversed());
}
break;
}
case TopAbs_SHELL :
{
B.MakeCompSolid(TopoDS::CompSolid(result));
explode = Standard_True;
break;
}
case TopAbs_SOLID :
case TopAbs_COMPSOLID :
Standard_DomainError::Raise("BRepFill_Pipe::profile contains solids");
break;
case TopAbs_COMPOUND :
{
B.MakeCompound(TopoDS::Compound(result));
explode = Standard_True;
break;
}
default:
break;
}
if (explode) {
// add the subshapes
TopoDS_Iterator itFirst, itLast;
TopoDS_Shape first, last;
if (!TheFirst.IsNull()) itFirst.Initialize(TheFirst);
if (!TheLast.IsNull()) itLast.Initialize(TheLast);
for (TopoDS_Iterator it(S); it.More(); it.Next()) {
if (!TheFirst.IsNull()) first = itFirst.Value();
if (!TheLast.IsNull()) last = itLast.Value();
if (TheS.ShapeType() == TopAbs_FACE )
MakeShape(it.Value(), first, last);
else
B.Add(result,MakeShape(it.Value(), first, last));
if (!TheFirst.IsNull()) itFirst.Next();
if (!TheLast.IsNull()) itLast.Next();
}
}
else {
if (TheS.ShapeType() == TopAbs_VERTEX ) {
Handle(BRepFill_ShapeLaw) Section =
new (BRepFill_ShapeLaw) (TopoDS::Vertex(TheS));
BRepFill_Sweep MkSw(Section, myLoc, Standard_True);
MkSw.SetForceApproxC1(myForceApproxC1);
MkSw.Build( myReversedEdges, myTapes, myRails,
BRepFill_Modified, myContinuity, GeomFill_Location, myDegmax, mySegmax );
result = MkSw.Shape();
Handle(TopTools_HArray2OfShape) aSections = MkSw.Sections();
if (aSections.IsNull() == Standard_False) {
const Standard_Integer aVLast = aSections->UpperCol();
myFirst = aSections->Value(1, 1);
myLast = aSections->Value(1, aVLast);
}
}
if (TheS.ShapeType() == TopAbs_WIRE ) {
Handle(BRepFill_ShapeLaw) Section =
new (BRepFill_ShapeLaw) (TopoDS::Wire(TheS));
BRepFill_Sweep MkSw(Section, myLoc, Standard_True);
MkSw.SetBounds(TopoDS::Wire(TheFirst),
TopoDS::Wire(TheLast));
MkSw.SetForceApproxC1(myForceApproxC1);
MkSw.Build( myReversedEdges, myTapes, myRails,
BRepFill_Modified, myContinuity, GeomFill_Location, myDegmax, mySegmax );
result = MkSw.Shape();
//Correct <myFirst> and <myLast>
ReverseModifiedEdges(myFirst, myReversedEdges);
ReverseModifiedEdges(myLast, myReversedEdges);
// Labeling of elements
if (mySections.IsNull()) {
myFaces = MkSw.SubShape();
mySections = MkSw.Sections();
myEdges = MkSw.InterFaces();
}
else {
Handle(TopTools_HArray2OfShape) Aux, Somme;
Standard_Integer length;
Standard_Integer ii, jj, kk;
Aux = MkSw.SubShape();
length = Aux->ColLength() + myFaces->ColLength();
Somme = new (TopTools_HArray2OfShape) (1, length, 1,
Aux->RowLength());
for (jj=1; jj<=myFaces->RowLength(); jj++) {
for (ii=1; ii<=myFaces->ColLength(); ii++)
Somme->SetValue(ii, jj, myFaces->Value(ii, jj));
for (kk=1, ii=myFaces->ColLength()+1;
kk <=Aux->ColLength(); kk++, ii++)
Somme->SetValue(ii, jj, Aux->Value(kk, jj));
}
myFaces = Somme;
Aux = MkSw.Sections();
length = Aux->ColLength() + mySections->ColLength();
Somme = new (TopTools_HArray2OfShape) (1, length, 1,
Aux->RowLength());
for (jj=1; jj<=mySections->RowLength(); jj++) {
for (ii=1; ii<=mySections->ColLength(); ii++)
Somme->SetValue(ii, jj, mySections->Value(ii, jj));
myCurIndexOfSectionEdge = mySections->ColLength()+1;
for (kk=1, ii=mySections->ColLength()+1;
kk <=Aux->ColLength(); kk++, ii++)
Somme->SetValue(ii, jj, Aux->Value(kk, jj));
}
mySections = Somme;
Aux = MkSw.InterFaces();
length = Aux->ColLength() + myEdges->ColLength();
Somme = new (TopTools_HArray2OfShape) (1, length, 1,
Aux->RowLength());
for (jj=1; jj<=myEdges->RowLength(); jj++) {
for (ii=1; ii<=myEdges->ColLength(); ii++)
Somme->SetValue(ii, jj, myEdges->Value(ii, jj));
for (kk=1, ii=myEdges->ColLength()+1;
kk <=Aux->ColLength(); kk++, ii++)
Somme->SetValue(ii, jj, Aux->Value(kk, jj));
}
myEdges = Somme;
}
}
}
if ( TheS.ShapeType() == TopAbs_FACE ) {
Standard_Integer ii, jj;
//jgv
TopExp_Explorer Explo(result, TopAbs_FACE);
for (; Explo.More(); Explo.Next())
{
TopoDS_Shape aFace = Explo.Current();
RebuildTopOrBottomFace(aFace.Reversed(), Standard_True); //top face was reversed
}
/////
TopoDS_Face F;
for (ii=InitialLength+1; ii<=myFaces->ColLength(); ii++) {
for (jj=1; jj<=myFaces->RowLength(); jj++) {
F = TopoDS::Face(myFaces->Value(ii, jj));
if (!F.IsNull()) B.Add(result, F);
}
}
if ( !mySpine.Closed()) {
// if Spine is not closed
// add the last face of the solid
//jgv
RebuildTopOrBottomFace(TheLast, Standard_False); //bottom face
/////
B.Add(result, TopoDS::Face(TheLast));
}
TopoDS_Solid solid;
BRep_Builder BS;
BS.MakeSolid(solid);
result.Closed(Standard_True);
BS.Add(solid,TopoDS::Shell(result));
BRepClass3d_SolidClassifier SC(solid);
SC.PerformInfinitePoint(Precision::Confusion());
if ( SC.State() == TopAbs_IN) {
BS.MakeSolid(solid);
TopoDS_Shape aLocalShape = result.Reversed();
BS.Add(solid,TopoDS::Shell(aLocalShape));
// BS.Add(solid,TopoDS::Shell(result.Reversed()));
}
return solid;
}
else {
return result;
}
}
//============================================================================
//function : FindEdge
//purpose : Find the number of edge corresponding to the edge of the profile.
//============================================================================
Standard_Integer BRepFill_Pipe::FindEdge(const TopoDS_Shape& S,
const TopoDS_Edge& E,
Standard_Integer& InitialLength) const
{
Standard_Integer result = 0;
switch (S.ShapeType()) {
case TopAbs_EDGE :
{
InitialLength++;
if (S.IsSame(E)) result = InitialLength;
break;
}
case TopAbs_WIRE :
{
Standard_Integer ii = InitialLength+1;
Handle(BRepFill_ShapeLaw) Section =
new (BRepFill_ShapeLaw) (TopoDS::Wire(S), Standard_False);
InitialLength += Section->NbLaw();
for (; (ii<=InitialLength) && (!result); ii++) {
if (E.IsSame(Section->Edge(ii)) ) result = ii;
}
break;
}
case TopAbs_FACE :
case TopAbs_SHELL :
case TopAbs_COMPOUND :
{
for (TopoDS_Iterator it(S); it.More() && (!result); it.Next())
result = FindEdge(it.Value(), E, InitialLength );
break;
}
case TopAbs_SOLID :
case TopAbs_COMPSOLID :
Standard_DomainError::Raise("BRepFill_Pipe::SOLID or COMPSOLID");
break;
default:
break;
}
return result;
}
//=======================================================================
//function : FindVertex
//purpose : Find the number of edge corresponding to an edge of the profile.
//=======================================================================
Standard_Integer BRepFill_Pipe::FindVertex(const TopoDS_Shape& S,
const TopoDS_Vertex& V,
Standard_Integer& InitialLength) const
{
Standard_Integer result = 0;
switch (S.ShapeType()) {
case TopAbs_VERTEX :
{
InitialLength++;
if (S.IsSame(V)) result = InitialLength;
break;
}
case TopAbs_EDGE :
{
TopoDS_Vertex VF, VL;
TopExp::Vertices(TopoDS::Edge(S), VF, VL);
if (S.Orientation() == TopAbs_REVERSED) {
TopoDS_Vertex aux;
aux = VF; VF = VL; VL = aux;
}
if (VF.IsSame(V)) result = InitialLength+1;
else if (VL.IsSame(V)) result = InitialLength+2;
InitialLength += 2;
break;
}
case TopAbs_WIRE :
{
Standard_Integer ii = InitialLength+1;
Handle(BRepFill_ShapeLaw) Section =
new (BRepFill_ShapeLaw) (TopoDS::Wire(S), Standard_False);
InitialLength += Section->NbLaw()+1;
for (; (ii<=InitialLength) && (!result); ii++) {
if (V.IsSame(Section->Vertex(ii, 0.)) ) result = ii;
}
break;
}
case TopAbs_FACE :
case TopAbs_SHELL :
case TopAbs_COMPOUND :
{
for (TopoDS_Iterator it(S); it.More() && (!result); it.Next())
result = FindVertex(it.Value(), V, InitialLength);
break;
}
case TopAbs_SOLID :
case TopAbs_COMPSOLID :
Standard_DomainError::Raise("BRepFill_Pipe::SOLID or COMPSOLID");
break;
default:
break;
}
return result;
}
//=======================================================================
//function : DefineRealSegmax
//purpose : Defines the real number of segments
// required in the case of bspline spine
//=======================================================================
void BRepFill_Pipe::DefineRealSegmax()
{
Standard_Integer RealSegmax = 0;
TopoDS_Iterator iter(mySpine);
for (; iter.More(); iter.Next())
{
TopoDS_Edge E = TopoDS::Edge(iter.Value());
Standard_Real first, last;
Handle(Geom_Curve) C = BRep_Tool::Curve( E, first, last );
if (C.IsNull())
continue;
while (C->DynamicType() == STANDARD_TYPE(Geom_TrimmedCurve) ||
C->DynamicType() == STANDARD_TYPE(Geom_OffsetCurve))
{
if (C->DynamicType() == STANDARD_TYPE(Geom_TrimmedCurve))
C = (*((Handle(Geom_TrimmedCurve)*)&C))->BasisCurve();
if (C->DynamicType() == STANDARD_TYPE(Geom_OffsetCurve))
C = (*((Handle(Geom_OffsetCurve)*)&C))->BasisCurve();
}
if (C->DynamicType() == STANDARD_TYPE(Geom_BSplineCurve))
{
const Handle(Geom_BSplineCurve)& BC = *((Handle(Geom_BSplineCurve)*)&C);
Standard_Integer NbKnots = BC->NbKnots();
Standard_Integer RealNbKnots = NbKnots;
if (first > BC->FirstParameter())
{
Standard_Integer I1, I2;
BC->LocateU( first, Precision::PConfusion(), I1, I2 );
RealNbKnots -= I1-1;
}
if (last < BC->LastParameter())
{
Standard_Integer I1, I2;
BC->LocateU( last, Precision::PConfusion(), I1, I2 );
RealNbKnots -= NbKnots-I2;
}
RealSegmax += RealNbKnots-1;
}
}
if (mySegmax < RealSegmax)
mySegmax = RealSegmax;
}
//=======================================================================
//function : RebuildTopOrBottomFace
//purpose : Correct orientation of v-iso edges
// according to new 3d and 2d curves taken from swept surfaces
//=======================================================================
void BRepFill_Pipe::RebuildTopOrBottomFace(const TopoDS_Shape& aFace,
const Standard_Boolean IsTop) const
{
Standard_Integer IndexOfSection =
(IsTop)? 1 : mySections->RowLength();
Standard_Integer ii;
BRep_Builder BB;
TopoDS_Iterator itf(aFace);
for (; itf.More(); itf.Next())
{
TopoDS_Shape aWire = itf.Value();
TopTools_SequenceOfShape InitEdges;
TopTools_SequenceOfShape ResEdges;
TopoDS_Iterator itw(aWire);
for (; itw.More(); itw.Next())
{
TopoDS_Shape anEdge = itw.Value();
for (ii = myCurIndexOfSectionEdge; ii <= mySections->ColLength(); ii++)
{
TopoDS_Shape aVisoEdge = mySections->Value(ii, IndexOfSection);
if (anEdge.IsSame(aVisoEdge))
{
InitEdges.Append(anEdge);
ResEdges.Append(aVisoEdge);
break;
}
}
}
aWire.Free(Standard_True);
for (ii = 1; ii <= InitEdges.Length(); ii++)
{
BB.Remove(aWire, InitEdges(ii));
UpdateTolFromTopOrBottomPCurve(TopoDS::Face(aFace), TopoDS::Edge(ResEdges(ii)));
BB.Add(aWire, ResEdges(ii));
}
}
}
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