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// File: StepToGeom_MakeSurface.cxx
// Created: Mon Jul 5 09:56:37 1993
// Author: Martine LANGLOIS
//:n7 abv 15.02.99: S4132: adding translation of surface_replica
//:p0 abv 19.02.99: management of 'done' flag improved
//:s5 abv 22.04.99 Adding debug printouts in catch {} blocks
//sln 03.10.01. BUC61003. creation of offset surface is corrected
#include <StepToGeom_MakeSurface.ixx>
#include <Standard_ErrorHandler.hxx>
#include <Standard_Failure.hxx>
#include <StepGeom_Surface.hxx>
#include <StepToGeom_MakeSurface.hxx>
#include <StepGeom_BoundedSurface.hxx>
#include <StepToGeom_MakeBoundedSurface.hxx>
#include <StepGeom_ElementarySurface.hxx>
#include <StepToGeom_MakeElementarySurface.hxx>
#include <StepGeom_SweptSurface.hxx>
#include <StepToGeom_MakeSweptSurface.hxx>
//:d4
#include <StepGeom_OffsetSurface.hxx>
#include <Geom_OffsetSurface.hxx>
#include <StepGeom_SurfaceReplica.hxx>
#include <StepGeom_CartesianTransformationOperator3d.hxx>
#include <StepToGeom_MakeTransformation3d.hxx>
#include <UnitsMethods.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <TopoDS_Face.hxx>
#include <ShapeAlgo.hxx>
#include <ShapeAlgo_AlgoContainer.hxx>
#include <TopoDS.hxx>
#include <BRep_Tool.hxx>
#include <gp_Trsf.hxx>
#include <Precision.hxx>
//=============================================================================
// Creation d' une Surface de Geom a partir d' une Surface de Step
//=============================================================================
Standard_Boolean StepToGeom_MakeSurface::Convert (const Handle(StepGeom_Surface)& SS, Handle(Geom_Surface)& CS)
{
// sln 01.10.2001 BUC61003. If entry shell is NULL do nothing
if(SS.IsNull()) {
//#ifdef DEB
// cout<<"Warning: StepToGeom_MakeSurface: Null Surface:";
//#endif
return Standard_False;
}
try {
OCC_CATCH_SIGNALS
if (SS->IsKind(STANDARD_TYPE(StepGeom_BoundedSurface))) {
const Handle(StepGeom_BoundedSurface) S1 = Handle(StepGeom_BoundedSurface)::DownCast(SS);
return StepToGeom_MakeBoundedSurface::Convert(S1,*((Handle(Geom_BoundedSurface)*)&CS));
}
if (SS->IsKind(STANDARD_TYPE(StepGeom_ElementarySurface))) {
const Handle(StepGeom_ElementarySurface) S1 = Handle(StepGeom_ElementarySurface)::DownCast(SS);
return StepToGeom_MakeElementarySurface::Convert(S1,*((Handle(Geom_ElementarySurface)*)&CS));
}
if (SS->IsKind(STANDARD_TYPE(StepGeom_SweptSurface))) {
const Handle(StepGeom_SweptSurface) S1 = Handle(StepGeom_SweptSurface)::DownCast(SS);
return StepToGeom_MakeSweptSurface::Convert(S1,*((Handle(Geom_SweptSurface)*)&CS));
}
if (SS->IsKind(STANDARD_TYPE(StepGeom_OffsetSurface))) { //:d4 abv 12 Mar 98
const Handle(StepGeom_OffsetSurface) OS = Handle(StepGeom_OffsetSurface)::DownCast(SS);
Handle(Geom_Surface) aBasisSurface;
if (StepToGeom_MakeSurface::Convert(OS->BasisSurface(),aBasisSurface))
{
// sln 03.10.01. BUC61003. creation of offset surface is corrected
const Standard_Real anOffset = OS->Distance() * UnitsMethods::LengthFactor();
if (aBasisSurface->Continuity() == GeomAbs_C0)
{
const BRepBuilderAPI_MakeFace aBFace(aBasisSurface, Precision::Confusion());
if (aBFace.IsDone())
{
const TopoDS_Shape aResult = ShapeAlgo::AlgoContainer()->C0ShapeToC1Shape(aBFace.Face(), Abs(anOffset));
if (aResult.ShapeType() == TopAbs_FACE)
{
aBasisSurface = BRep_Tool::Surface(TopoDS::Face(aResult));
}
}
}
if(aBasisSurface->Continuity() != GeomAbs_C0)
{
CS = new Geom_OffsetSurface ( aBasisSurface, anOffset );
return Standard_True;
}
}
}
else if (SS->IsKind(STANDARD_TYPE(StepGeom_SurfaceReplica))) { //:n7 abv 16 Feb 99
const Handle(StepGeom_SurfaceReplica) SR = Handle(StepGeom_SurfaceReplica)::DownCast(SS);
const Handle(StepGeom_Surface) PS = SR->ParentSurface();
const Handle(StepGeom_CartesianTransformationOperator3d) T =
Handle(StepGeom_CartesianTransformationOperator3d)::DownCast(SR->Transformation());
// protect against cyclic references and wrong type of cartop
if ( !T.IsNull() && PS != SS ) {
Handle(Geom_Surface) S1;
if (StepToGeom_MakeSurface::Convert(PS,S1))
{
gp_Trsf T1;
if (StepToGeom_MakeTransformation3d::Convert(T,T1))
{
S1->Transform ( T1 );
CS = S1;
return Standard_True;
}
}
}
}
}
catch(Standard_Failure) {
// ShapeTool_DB ?
#ifdef DEB //:s5
cout<<"Warning: StepToGeom_MakeSurface: Exception:";
Standard_Failure::Caught()->Print(cout); cout << endl;
#endif
}
return Standard_False;
}
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