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// File: StepToGeom_MakeRectangularTrimmedSurface.cxx
// Created: Thu Jan 25 12:01:33 1996
// Author: Frederic MAUPAS
#include <StepToGeom_MakeRectangularTrimmedSurface.ixx>
#include <StepToGeom_MakeSurface.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_ConicalSurface.hxx>
#include <Geom_ToroidalSurface.hxx>
#include <Geom_SphericalSurface.hxx>
#include <Geom_SurfaceOfRevolution.hxx>
#include <Geom_Plane.hxx>
#include <UnitsMethods.hxx>
//=============================================================================
// Creation d' une RectangularTrimmedSurface de Geom a partir d' une
// RectangularTrimmedSurface de Step
//=============================================================================
Standard_Boolean StepToGeom_MakeRectangularTrimmedSurface::Convert (const Handle(StepGeom_RectangularTrimmedSurface)& SS,
Handle(Geom_RectangularTrimmedSurface)& CS)
{
Handle(Geom_Surface) theBasis;
if (StepToGeom_MakeSurface::Convert(SS->BasisSurface(),theBasis))
{
// -----------------------------------------
// Modification of the Trimming Parameters ?
// -----------------------------------------
Standard_Real uFact = 1.;
Standard_Real vFact = 1.;
const Standard_Real LengthFact = UnitsMethods::LengthFactor();
const Standard_Real AngleFact = UnitsMethods::PlaneAngleFactor(); // abv 30.06.00 trj4_k1_geo-tc-214.stp #1477: PI/180.;
if (theBasis->IsKind(STANDARD_TYPE(Geom_SphericalSurface)) ||
theBasis->IsKind(STANDARD_TYPE(Geom_ToroidalSurface))) {
uFact = vFact = AngleFact;
}
else if (theBasis->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
uFact = AngleFact;
vFact = LengthFact;
}
else if ( theBasis->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) {
uFact = AngleFact;
}
else if (theBasis->IsKind(STANDARD_TYPE(Geom_ConicalSurface))) {
const Handle(Geom_ConicalSurface) conicS = Handle(Geom_ConicalSurface)::DownCast(theBasis);
uFact = AngleFact;
vFact = LengthFact / Cos(conicS->SemiAngle());
}
else if (theBasis->IsKind(STANDARD_TYPE(Geom_Plane))) {
uFact = vFact = LengthFact;
}
const Standard_Real U1 = SS->U1() * uFact;
const Standard_Real U2 = SS->U2() * uFact;
const Standard_Real V1 = SS->V1() * vFact;
const Standard_Real V2 = SS->V2() * vFact;
CS = new Geom_RectangularTrimmedSurface(theBasis, U1, U2, V1, V2, SS->Usense(), SS->Vsense());
return Standard_True;
}
return Standard_False;
}
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