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