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occt/src/IGESToBRep/IGESToBRep_IGESBoundary.cxx
abv 42cf5bc1ca 0024002: Overall code and build procedure refactoring -- automatic 
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl":
- WOK-generated header files from inc and sources from drv are moved to src
- CDL files removed
- All packages are converted to nocdlpack
2015-07-12 07:42:38 +03:00

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// Created on: 1998-12-16
// Created by: Roman LYGIN
// Copyright (c) 1998-1999 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 <BRep_Builder.hxx>
#include <BRep_Tool.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Plane.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <gp_Trsf2d.hxx>
#include <IGESData_IGESEntity.hxx>
#include <IGESToBRep.hxx>
#include <IGESToBRep_CurveAndSurface.hxx>
#include <IGESToBRep_IGESBoundary.hxx>
#include <IGESToBRep_TopoCurve.hxx>
#include <Precision.hxx>
#include <ShapeBuild_Edge.hxx>
#include <ShapeExtend_WireData.hxx>
#include <ShapeFix_Wire.hxx>
#include <Standard_Type.hxx>
#include <TColStd_HSequenceOfTransient.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Wire.hxx>
//=======================================================================
//function : IGESToBRep_IGESBoundary
//purpose :
//=======================================================================
IGESToBRep_IGESBoundary::IGESToBRep_IGESBoundary()
{
}
//=======================================================================
//function : IGESToBRep_IGESBoundary
//purpose :
//=======================================================================
IGESToBRep_IGESBoundary::IGESToBRep_IGESBoundary(const IGESToBRep_CurveAndSurface& CS)
: myCS (CS)
{
}
//=======================================================================
//function : Init
//purpose :
//=======================================================================
void IGESToBRep_IGESBoundary::Init(const IGESToBRep_CurveAndSurface& CS,
const Handle(IGESData_IGESEntity)& entity,
const TopoDS_Face& face,
const gp_Trsf2d& trans,
const Standard_Real uFact,
const Standard_Integer filepreference)
{
myCS = CS;
myentity = entity;
myface = face;
mytrsf = trans;
myuFact = uFact;
myfilepreference = filepreference;
}
//=======================================================================
//function : Transfer
//purpose :
//=======================================================================
Standard_Boolean IGESToBRep_IGESBoundary::Transfer(Standard_Boolean& okCurve,
Standard_Boolean& okCurve3d,
Standard_Boolean& okCurve2d,
const Handle(IGESData_IGESEntity)& curve3d,
const Standard_Boolean toreverse3d,
const Handle(IGESData_HArray1OfIGESEntity)& curves2d,
const Standard_Integer number)
{
Handle(ShapeExtend_WireData) scurve3d, lsewd; //temporary objects
return Transfer (okCurve, okCurve3d, okCurve2d,
curve3d, scurve3d, Standard_False, toreverse3d,
curves2d, Standard_False,
number, lsewd);
}
//=======================================================================
//function : Transfer
//purpose :
//=======================================================================
Standard_Boolean IGESToBRep_IGESBoundary::Transfer(Standard_Boolean& okCurve,
Standard_Boolean& okCurve3d,
Standard_Boolean& okCurve2d,
const Handle(ShapeExtend_WireData)& curve3d,
const Handle(IGESData_HArray1OfIGESEntity)& curves2d,
const Standard_Boolean toreverse2d,
const Standard_Integer number,
Handle(ShapeExtend_WireData)& lsewd)
{
Handle(IGESData_IGESEntity) icurve3d; //temporary object
return Transfer (okCurve, okCurve3d, okCurve2d,
icurve3d, curve3d, Standard_True, Standard_False,
curves2d, toreverse2d,
number, lsewd);
}
//=======================================================================
//function : Check
//purpose :
//=======================================================================
void IGESToBRep_IGESBoundary::Check(const Standard_Boolean,const Standard_Boolean,const Standard_Boolean,const Standard_Boolean)
{
// Implemented in Advanced Data Exchange
}
//=======================================================================
//function : Transfer
//purpose :
//=======================================================================
Standard_Boolean IGESToBRep_IGESBoundary::Transfer(Standard_Boolean&,
Standard_Boolean&,
Standard_Boolean&,
const Handle(IGESData_IGESEntity)& icurve3d,
const Handle(ShapeExtend_WireData)& scurve3d,
const Standard_Boolean usescurve,
const Standard_Boolean toreverse3d,
const Handle(IGESData_HArray1OfIGESEntity)& curves2d,
const Standard_Boolean toreverse2d,
const Standard_Integer number,
Handle(ShapeExtend_WireData)& Gsewd)
{
Gsewd = new ShapeExtend_WireData;//local translation (for mysewd)
Handle(ShapeExtend_WireData) Gsewd3d = new ShapeExtend_WireData;//local translation (for mysewd3d)
Handle(ShapeExtend_WireData) Gsewd2d = new ShapeExtend_WireData;//local translation (for mysewd2d)
Standard_Boolean GTranslate3d = Standard_True, GTranslate2d = Standard_True,
Preferred3d = Standard_True, Preferred2d = Standard_True;
Standard_Integer len3d = 0, len2d = 0;
Handle(TColStd_HSequenceOfTransient) seq3d, seq2d;
if (usescurve)
len3d = scurve3d->NbEdges();
else {
IGESToBRep::IGESCurveToSequenceOfIGESCurve (icurve3d, seq3d);
len3d = seq3d->Length();
}
if (!curves2d.IsNull()) {
for (Standard_Integer i = 1; i <= curves2d->Length(); i++)
IGESToBRep::IGESCurveToSequenceOfIGESCurve (curves2d->Value (i), seq2d);
len2d = seq2d->Length();
}
if (len3d == 0)
GTranslate3d = Standard_False;
else if (len2d == 0)
GTranslate2d = Standard_False;
if (GTranslate3d && GTranslate2d) {
//Setting preference in the case of inconsitency between 3D and 2D
if (myfilepreference == 2) Preferred3d = Standard_False;
else if (myfilepreference == 3) Preferred2d = Standard_False;
else Preferred3d = Standard_False;
}
if (GTranslate3d && GTranslate2d && len3d != len2d) {
GTranslate3d = Preferred3d;
GTranslate2d = Preferred2d;
}
IGESToBRep_TopoCurve TC (myCS);
if (GTranslate3d && !GTranslate2d) {
if (usescurve)
Gsewd->Add (scurve3d->Wire());
else {
TopoDS_Shape Sh = TC.TransferTopoCurve (icurve3d);
if (!Sh.IsNull()) {
Gsewd3d->Add (Sh);
if (toreverse3d) {
ReverseCurves3d (Gsewd3d);
Gsewd->Add (Gsewd3d->Wire());
}
else Gsewd->Add (Sh);//Gsewd = Gsewd3d is impossible to avoid sharing of sewd (UK1.igs entity 7)
}
}
}
else if (!GTranslate3d && GTranslate2d) {
for (Standard_Integer i = curves2d->Lower(); i <= curves2d->Upper(); i++) {
TopoDS_Shape Sh = TC.Transfer2dTopoCurve (Handle(IGESData_IGESEntity)::DownCast (curves2d->Value (i)),
myface, mytrsf, myuFact);
if (!Sh.IsNull()) Gsewd2d->Add (Sh);
}
if (toreverse2d)
ReverseCurves2d (Gsewd2d, myface);
Gsewd->Add (Gsewd2d->Wire());
}
else if (GTranslate3d && GTranslate2d) {
//Translate both curves 3D and 2D
//Suppose that i-th segment in 2D curve corresponds to i-th segment in 3D curve
for (Standard_Integer i = 1; i <= len3d; i++) {
Standard_Boolean LTranslate3d = Standard_True, LTranslate2d = Standard_True;
Handle(ShapeExtend_WireData) Lsewd3d = new ShapeExtend_WireData;
TC.SetBadCase (Standard_False); //:27
if (usescurve)
Lsewd3d->Add (scurve3d->Edge (i));
else {
TopoDS_Shape shape3d = TC.TransferTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq3d->Value (i)));
if (!shape3d.IsNull()) {
Lsewd3d->Add (shape3d);
if (toreverse3d)
ReverseCurves3d (Lsewd3d);
}
else LTranslate3d = Standard_False;
}
Gsewd3d->Add (Lsewd3d->Wire());
Handle(ShapeExtend_WireData) Lsewd2d = new ShapeExtend_WireData;
TopoDS_Shape shape2d = TC.Transfer2dTopoCurve (Handle(IGESData_IGESEntity)::DownCast (seq2d->Value (i)),
myface, mytrsf, myuFact);
if (!shape2d.IsNull()) {
Lsewd2d->Add (shape2d);
if (toreverse2d)
ReverseCurves2d (Lsewd2d, myface);
Gsewd2d->Add (Lsewd2d->Wire());
}
else LTranslate2d = Standard_False;
if (LTranslate3d && LTranslate2d && Lsewd3d->NbEdges() != Lsewd2d->NbEdges()) {
LTranslate3d = Preferred3d;
LTranslate2d = Preferred2d;
}
Handle(ShapeExtend_WireData) Lsewd;//Lsewd3d or Lsewd2d or Lsewd3d+pcurve
if ( LTranslate3d && !LTranslate2d) Lsewd = Lsewd3d;
else if (!LTranslate3d && LTranslate2d) Lsewd = Lsewd2d;
else {
Lsewd = Lsewd3d;
//copying pcurve to edge with 3D curve
for (Standard_Integer iedge = 1; iedge <= Lsewd3d->NbEdges(); iedge++) {
TopoDS_Edge edge3d = Lsewd3d->Edge (iedge), edge2d = Lsewd2d->Edge (iedge);
if (!IGESToBRep::TransferPCurve (edge2d, edge3d, myface)) continue;
}
}
Gsewd->Add (Lsewd->Wire());
}
}
if (number > 1) {
mysewd ->Add (Gsewd ->Wire());
mysewd3d->Add (Gsewd3d->Wire());
mysewd2d->Add (Gsewd2d->Wire());
}
else {
mysewd = Gsewd;
mysewd3d = Gsewd3d;
mysewd2d = Gsewd2d;
}
return Standard_True;
}
//=======================================================================
//function : ReverseCurves3d
//purpose : Reverses 3D curves of the edges in the wire and reverses
// the order of edges in the wire.
// Orientation of each edge is not changed
//=======================================================================
void IGESToBRep_IGESBoundary::ReverseCurves3d (const Handle(ShapeExtend_WireData)& sewd)
{
sewd->Reverse();
BRep_Builder B;
TopoDS_Wire W;
B.MakeWire(W);
for (Standard_Integer i = 1; i <= sewd->NbEdges(); i++) {
TopoDS_Edge oldedge = sewd->Edge (i), newedge;
TopLoc_Location L;
Standard_Real p1, p2;
Handle(Geom_Curve) curve = BRep_Tool::Curve (oldedge, L, p1, p2);
if (curve->IsPeriodic()) //#21
ShapeBuild_Edge().MakeEdge (newedge, curve->Reversed(), L,
curve->ReversedParameter (p2),
curve->ReversedParameter (p1));
else ShapeBuild_Edge().MakeEdge (newedge, curve->Reversed(), L,
Max (curve->ReversedParameter(curve->LastParameter()), curve->ReversedParameter (p2)),
Min (curve->ReversedParameter(curve->FirstParameter()), curve->ReversedParameter (p1)));
newedge.Orientation(TopAbs::Reverse (oldedge.Orientation()));
//sewd->Set (newedge, i);
B.Add(W,newedge);
}
Handle(ShapeFix_Wire) sfw = new ShapeFix_Wire();
sfw->Load(W);
sfw->FixConnected();
sewd->Init(sfw->Wire());
}
//=======================================================================
//function : ReverseCurves2d
//purpose : Reverses pcurves of the edges in the wire and reverses
// the order of edges in the wire.
// Orientation of each edge is also changed
//=======================================================================
void IGESToBRep_IGESBoundary::ReverseCurves2d (const Handle(ShapeExtend_WireData)& sewd, const TopoDS_Face& face)
{
sewd->Reverse(face);
for (Standard_Integer i = 1; i <= sewd->NbEdges(); i++) {
TopoDS_Edge oldedge = sewd->Edge (i), newedge;
Standard_Real p1, p2;
Handle(Geom2d_Curve) curve = BRep_Tool::CurveOnSurface (oldedge, face, p1, p2);
// skl 24.04.2002 for OCC314
if(curve->IsPeriodic())
ShapeBuild_Edge().MakeEdge (newedge, curve->Reversed(), face,
curve->ReversedParameter (p2),
curve->ReversedParameter (p1));
else
ShapeBuild_Edge().MakeEdge (newedge, curve->Reversed(), face,
Max (curve->FirstParameter(), curve->ReversedParameter (p2)),//BUC50001 entity 936 2DForced
Min (curve->LastParameter(), curve->ReversedParameter (p1)));
newedge.Orientation(oldedge.Orientation());
sewd->Set (newedge, i);
}
}
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