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// File: IGESToBRep.cxx
// Created: Tue Mar 22 16:47:32 1994
// Author: GUYOT and UNTEREINER
// <fun@ecolox>
//-Copyright: Matra Datavision 1994
// 21.12.98 rln, gka S4054
// 06.01.99 pdn transmission from ShapeTool_MakeWire back to BRepAPI_MakeWire
// 19.03.99 abv //:q5: code improvement, unnecessary includes removed
//S4181 pdn 15.04.99 Recognition of elementary surfaces as basic.
#include <IGESToBRep.ixx>
#include <Standard_Stream.hxx>
#include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.hxx>
#include <IGESData_IGESEntity.hxx>
#include <IGESGeom_RuledSurface.hxx>
#include <IGESGeom_SurfaceOfRevolution.hxx>
#include <IGESGeom_TabulatedCylinder.hxx>
#include <IGESGeom_OffsetSurface.hxx>
#include <IGESGeom_TrimmedSurface.hxx>
#include <IGESGeom_Boundary.hxx>
#include <IGESGeom_BoundedSurface.hxx>
#include <IGESGeom_BSplineCurve.hxx>
#include <IGESGeom_BSplineSurface.hxx>
#include <IGESGeom_CircularArc.hxx>
#include <IGESGeom_ConicArc.hxx>
#include <IGESGeom_Line.hxx>
#include <IGESGeom_CompositeCurve.hxx>
#include <IGESGeom_CopiousData.hxx>
#include <IGESGeom_CurveOnSurface.hxx>
#include <IGESGeom_OffsetCurve.hxx>
#include <IGESGeom_Plane.hxx>
#include <IGESGeom_Point.hxx>
#include <IGESGeom_SplineCurve.hxx>
#include <IGESGeom_SplineSurface.hxx>
#include <IGESSolid_VertexList.hxx>
#include <IGESSolid_EdgeList.hxx>
#include <IGESSolid_Loop.hxx>
#include <IGESSolid_Face.hxx>
#include <IGESSolid_Shell.hxx>
#include <IGESSolid_ManifoldSolid.hxx>
#include <IGESSolid_PlaneSurface.hxx>
#include <IGESBasic_SingleParent.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Surface.hxx>
#include <Precision.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Iterator.hxx>
#include <TopoDS_Wire.hxx>
#include <TopLoc_Location.hxx>
#include <Interface_Macros.hxx>
/* Just used for WriteShape */
#include <stdio.h>
#include <TCollection_HAsciiString.hxx>
#include <BRepTools.hxx>
//:21
#include <gp_Pnt.hxx>
#include <gp_Pnt2d.hxx>
#include <BRep_Builder.hxx>
#include <GeomLib.hxx>
#include <IGESSolid_CylindricalSurface.hxx>
#include <IGESSolid_ConicalSurface.hxx>
#include <IGESSolid_SphericalSurface.hxx>
#include <IGESSolid_ToroidalSurface.hxx>
#include <XSAlgo.hxx>
// =========================
// == Selection Members ==
// =========================
static Handle(IGESToBRep_AlgoContainer) theContainer;
//=======================================================================
//function : Init
//purpose :
//=======================================================================
void IGESToBRep::Init()
{
static Standard_Boolean init = Standard_False;
if (init) return;
init = Standard_True;
XSAlgo::Init();
theContainer = new IGESToBRep_AlgoContainer;
}
//=======================================================================
//function : SetAlgoContainer
//purpose :
//=======================================================================
void IGESToBRep::SetAlgoContainer(const Handle(IGESToBRep_AlgoContainer)& aContainer)
{
theContainer = aContainer;
}
//=======================================================================
//function : AlgoContainer
//purpose :
//=======================================================================
Handle(IGESToBRep_AlgoContainer) IGESToBRep::AlgoContainer()
{
return theContainer;
}
//=======================================================================
//function : IsCurveAndSurface
//purpose : Return True if the IgesEntity can be transfered
// by TransferCurveAndSurface
//=======================================================================
Standard_Boolean IGESToBRep::IsCurveAndSurface(const Handle(IGESData_IGESEntity)& start)
{
//S4054
if (start.IsNull()) return Standard_False;
if (IsTopoCurve(start)) return Standard_True;
if (IsTopoSurface(start)) return Standard_True;
if (IsBRepEntity(start)) return Standard_True;
return Standard_False;
}
//=======================================================================
//function : IsBasicCurve
//purpose : Return True if the IgesEntity can be transfered
// by TransferBasicCurve
//=======================================================================
Standard_Boolean IGESToBRep::IsBasicCurve(const Handle(IGESData_IGESEntity)& start)
{
//S4054
if (start.IsNull()) return Standard_False;
if (start->IsKind(STANDARD_TYPE(IGESGeom_BSplineCurve))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_Line))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_CircularArc))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_ConicArc))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_CopiousData))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_SplineCurve))) return Standard_True;
return Standard_False;
}
//=======================================================================
//function : IsBasicSurface
//purpose : Return True if the IgesEntity can be transfered
// by TransferBasicSurface
//=======================================================================
Standard_Boolean IGESToBRep::IsBasicSurface(const Handle(IGESData_IGESEntity)& start)
{
//S4054
if (start.IsNull()) return Standard_False;
if (start->IsKind(STANDARD_TYPE(IGESGeom_BSplineSurface))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_SplineSurface))) return Standard_True;
//S4181 pdn 15.04.99 added to basic surfaces
if (start->IsKind(STANDARD_TYPE(IGESSolid_PlaneSurface))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESSolid_CylindricalSurface))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESSolid_ConicalSurface))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESSolid_SphericalSurface))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESSolid_ToroidalSurface))) return Standard_True;
return Standard_False;
}
//=======================================================================
//function : IsTopoCurve
//purpose : Return True if the IgesEntity can be transfered
// by TransferTopoCurve
//=======================================================================
Standard_Boolean IGESToBRep::IsTopoCurve(const Handle(IGESData_IGESEntity)& start)
{
//S4054
if (start.IsNull()) return Standard_False;
if (IsBasicCurve(start)) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_CompositeCurve))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_CurveOnSurface))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_Boundary))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_Point))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_OffsetCurve))) return Standard_True;
return Standard_False;
}
//=======================================================================
//function : IsTopoSurface
//purpose : Return True if the IgesEntity can be transfered
// by TransferTopoSurface
//=======================================================================
Standard_Boolean IGESToBRep::IsTopoSurface(const Handle(IGESData_IGESEntity)& start)
{
//S4054
if (start.IsNull()) return Standard_False;
if (IsBasicSurface(start)) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_TrimmedSurface))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_SurfaceOfRevolution))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_TabulatedCylinder))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_RuledSurface))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_Plane))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_BoundedSurface))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESGeom_OffsetSurface))) return Standard_True;
//S4181 pdn 15.04.99 removing to basic surface
//if (start->IsKind(STANDARD_TYPE(IGESSolid_PlaneSurface))) return Standard_True;
// SingleParent, cas particulier (Face Trouee : ne contient que des PLANE)
if (start->IsKind(STANDARD_TYPE(IGESBasic_SingleParent))) {
DeclareAndCast(IGESBasic_SingleParent,sp,start);
if (!sp->SingleParent()->IsKind(STANDARD_TYPE(IGESGeom_Plane))) return Standard_False;
Standard_Integer nb = sp->NbChildren();
for (Standard_Integer i = 1; i <= nb; i ++) {
if (!sp->Child(i)->IsKind(STANDARD_TYPE(IGESGeom_Plane))) return Standard_False;
}
return Standard_True;
}
return Standard_False;
}
//=======================================================================
//function : IsBRepEntity
//purpose : Return True if the IgesEntity can be transfered
// by TransferBRepEntity
//=======================================================================
Standard_Boolean IGESToBRep::IsBRepEntity(const Handle(IGESData_IGESEntity)& start)
{
//S4054
if (start.IsNull()) return Standard_False;
if (start->IsKind(STANDARD_TYPE(IGESSolid_Face))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESSolid_Shell))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESSolid_ManifoldSolid))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESSolid_VertexList))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESSolid_EdgeList))) return Standard_True;
if (start->IsKind(STANDARD_TYPE(IGESSolid_Loop))) return Standard_True;
return Standard_False;
}
//=======================================================================
//function : WriteShape
//purpose : Creates a file Shape_'number'
//=======================================================================
void IGESToBRep::WriteShape(const TopoDS_Shape& shape,
const Standard_Integer number)
{
char fname[110];
sprintf(fname, "Shape_%d",number);
ofstream f(fname,ios::out);
cout << "Output file name : " << fname << endl;
f << "DBRep_DrawableShape\n";
BRepTools::Write(shape, f);
f.close();
}
//=======================================================================
//function : IGESCurveToSequenceOfIGESCurve
//purpose : Creates a sequence of IGES curves from IGES curve:
// - if curve is CompositeCurve its components are recursively added,
// - if curve is ordinary IGES curve it is simply added
// - otherwise (Null or not curve) it is ignored
//remark : if sequence is Null it is created, otherwise it is appended
//returns : number of curves in sequence
//example : (A B (C (D ( E F) G) H)) -> (A B C D E F G H)
//=======================================================================
Standard_Integer IGESToBRep::IGESCurveToSequenceOfIGESCurve(const Handle(IGESData_IGESEntity)& curve,
Handle(TColStd_HSequenceOfTransient)& sequence)
{
if (sequence.IsNull()) sequence = new TColStd_HSequenceOfTransient;
if (!curve.IsNull()) {
if (curve->IsKind (STANDARD_TYPE (IGESGeom_CompositeCurve))) {
Handle(IGESGeom_CompositeCurve) comp = Handle(IGESGeom_CompositeCurve)::DownCast (curve);
for (Standard_Integer i = 1; i <= comp->NbCurves(); i++) {
Handle(TColStd_HSequenceOfTransient) tmpsequence;
IGESCurveToSequenceOfIGESCurve (comp->Curve (i), tmpsequence);
sequence->Append (tmpsequence);
}
}
else if (IGESToBRep::IsTopoCurve (curve) &&
! curve->IsKind (STANDARD_TYPE (IGESGeom_Point)))
sequence->Append (curve);
}
return sequence->Length();
}
//=======================================================================
//function : TransferPCurve
//purpose : Copies pcurve on face <face> from <fromedge> to <toedge>
// If <toedge> already has pcurve on that <face>, <toedge> becomes
// a seam-edge; if both pcurves are not SameRange, the SameRange is
// called. Returns False if pcurves are not made SameRange
// Making <toedge> SameParameter should be done outside the method (???)
//=======================================================================
Standard_Boolean IGESToBRep::TransferPCurve (const TopoDS_Edge& fromedge, const TopoDS_Edge& toedge, const TopoDS_Face& face)
{
Standard_Boolean result = Standard_True;
Standard_Real olda, oldb, a, b;
Handle(Geom2d_Curve) oldpcurve = BRep_Tool::CurveOnSurface (toedge, face, olda, oldb),
pcurve = BRep_Tool::CurveOnSurface (fromedge, face, a, b );
BRep_Builder B;
if (!oldpcurve.IsNull()) {
if (olda != a || oldb != b) {
try {
OCC_CATCH_SIGNALS
Handle(Geom2d_Curve) newpcurve;
GeomLib::SameRange (Precision::PConfusion(), oldpcurve, olda, oldb, a, b, newpcurve);
if (!newpcurve.IsNull()) {
olda = a; oldb = b; oldpcurve = newpcurve;
}
else {
#ifdef DEB
cout << "Warning: IGESToBRep::TransferPCurve: pcurves are not SameRange" << endl;
#endif
result = Standard_False;
}
}
catch(Standard_Failure) {
#ifdef DEB
cout << "\n**IGESToBRep::TransferPCurve: Exception in SameRange : ";
Standard_Failure::Caught()->Print(cout);
#endif
result = Standard_False;
}
}
if (toedge.Orientation() == TopAbs_FORWARD)
B.UpdateEdge (toedge,
Handle(Geom2d_Curve)::DownCast (pcurve->Copy()),
Handle(Geom2d_Curve)::DownCast (oldpcurve->Copy()), face, 0);
else
B.UpdateEdge (toedge,
Handle(Geom2d_Curve)::DownCast (oldpcurve->Copy()),
Handle(Geom2d_Curve)::DownCast (pcurve->Copy()), face, 0);
}
else {
olda = a; oldb = b;
B.UpdateEdge (toedge, Handle(Geom2d_Curve)::DownCast (pcurve->Copy()), face, 0);
}
B.Range (toedge, face, a, b);
Standard_Real first, last;
if (!BRep_Tool::Curve (toedge, first, last).IsNull() && (first != a || last != b))
B.SameRange (toedge, Standard_False);
else
B.SameRange (toedge, Standard_True);
return result;
}
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