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// File: GeomToStep_MakeRectangularTrimmedSurface.cxx
// Created: Thu Jan 25 11:16:17 1996
// Author: Frederic MAUPAS
// <fma@pronox>
#include <GeomToStep_MakeRectangularTrimmedSurface.ixx>
#include <StdFail_NotDone.hxx>
#include <GeomToStep_MakeSurface.hxx>
#include <StepGeom_Surface.hxx>
#include <TCollection_HAsciiString.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_ConicalSurface.hxx>
#include <Geom_ToroidalSurface.hxx>
#include <Geom_SphericalSurface.hxx>
#include <Geom_SurfaceOfRevolution.hxx>
#include <UnitsMethods.hxx>
#include <Geom_Plane.hxx>
//=============================================================================
// Creation d' une rectangular_trimmed_surface de STEP
// a partir d' une RectangularTrimmedSurface de Geom
//=============================================================================
GeomToStep_MakeRectangularTrimmedSurface::
GeomToStep_MakeRectangularTrimmedSurface( const
Handle(Geom_RectangularTrimmedSurface)& RTSurf )
{
Handle(StepGeom_RectangularTrimmedSurface) StepRTS = new StepGeom_RectangularTrimmedSurface;
Handle(TCollection_HAsciiString) aName = new TCollection_HAsciiString("");
GeomToStep_MakeSurface mkSurf(RTSurf->BasisSurface());
if (!mkSurf.IsDone()) {
done = Standard_False;
return;
}
Handle(StepGeom_Surface) StepSurf = mkSurf.Value();
Standard_Real U1,U2,V1,V2;
RTSurf->Bounds(U1, U2, V1, V2);
// -----------------------------------------
// Modification of the Trimming Parameters ?
// -----------------------------------------
Standard_Real AngleFact = 180./PI;
Standard_Real uFact = 1.;
Standard_Real vFact = 1.;
Standard_Real LengthFact = UnitsMethods::LengthFactor();
Handle(Geom_Surface) theSurf = RTSurf->BasisSurface();
if (theSurf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
uFact = AngleFact;
vFact = 1. / LengthFact;
}
else if (theSurf->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) {
uFact = AngleFact;
}
else if (theSurf->IsKind(STANDARD_TYPE(Geom_ToroidalSurface)) ||
theSurf->IsKind(STANDARD_TYPE(Geom_SphericalSurface))) {
uFact = AngleFact;
vFact = AngleFact;
}
else if (theSurf->IsKind(STANDARD_TYPE(Geom_ConicalSurface))) {
Handle(Geom_ConicalSurface) conicS =
Handle(Geom_ConicalSurface)::DownCast(theSurf);
Standard_Real semAng = conicS->SemiAngle();
uFact = AngleFact;
vFact = Cos(semAng) / LengthFact;
}
else if (theSurf->IsKind(STANDARD_TYPE(Geom_Plane))) {
uFact = vFact = 1. / LengthFact;
}
U1 = U1 * uFact;
U2 = U2 * uFact;
V1 = V1 * vFact;
V2 = V2 * vFact;
StepRTS->Init(aName, StepSurf, U1, U2, V1, V2, Standard_True, Standard_True);
theRectangularTrimmedSurface = StepRTS;
done = Standard_True;
}
//=============================================================================
// renvoi des valeurs
//=============================================================================
const Handle(StepGeom_RectangularTrimmedSurface) &
GeomToStep_MakeRectangularTrimmedSurface::Value() const
{
StdFail_NotDone_Raise_if(!done == Standard_True,"");
return theRectangularTrimmedSurface;
}
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