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83 lines
3.5 KiB
C++
Executable File
83 lines
3.5 KiB
C++
Executable File
// Created on: 1996-01-25
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// Created by: Frederic MAUPAS
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#include <StepToGeom_MakeRectangularTrimmedSurface.ixx>
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#include <StepToGeom_MakeSurface.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 <Geom_Plane.hxx>
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#include <UnitsMethods.hxx>
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//=============================================================================
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// Creation d' une RectangularTrimmedSurface de Geom a partir d' une
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// RectangularTrimmedSurface de Step
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//=============================================================================
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Standard_Boolean StepToGeom_MakeRectangularTrimmedSurface::Convert (const Handle(StepGeom_RectangularTrimmedSurface)& SS,
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Handle(Geom_RectangularTrimmedSurface)& CS)
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{
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Handle(Geom_Surface) theBasis;
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if (StepToGeom_MakeSurface::Convert(SS->BasisSurface(),theBasis))
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{
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// -----------------------------------------
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// Modification of the Trimming Parameters ?
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// -----------------------------------------
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Standard_Real uFact = 1.;
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Standard_Real vFact = 1.;
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const Standard_Real LengthFact = UnitsMethods::LengthFactor();
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const Standard_Real AngleFact = UnitsMethods::PlaneAngleFactor(); // abv 30.06.00 trj4_k1_geo-tc-214.stp #1477: PI/180.;
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if (theBasis->IsKind(STANDARD_TYPE(Geom_SphericalSurface)) ||
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theBasis->IsKind(STANDARD_TYPE(Geom_ToroidalSurface))) {
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uFact = vFact = AngleFact;
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}
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else if (theBasis->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
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uFact = AngleFact;
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vFact = LengthFact;
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}
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else if ( theBasis->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))) {
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uFact = AngleFact;
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}
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else if (theBasis->IsKind(STANDARD_TYPE(Geom_ConicalSurface))) {
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const Handle(Geom_ConicalSurface) conicS = Handle(Geom_ConicalSurface)::DownCast(theBasis);
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uFact = AngleFact;
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vFact = LengthFact / Cos(conicS->SemiAngle());
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}
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else if (theBasis->IsKind(STANDARD_TYPE(Geom_Plane))) {
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uFact = vFact = LengthFact;
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}
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const Standard_Real U1 = SS->U1() * uFact;
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const Standard_Real U2 = SS->U2() * uFact;
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const Standard_Real V1 = SS->V1() * vFact;
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const Standard_Real V2 = SS->V2() * vFact;
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CS = new Geom_RectangularTrimmedSurface(theBasis, U1, U2, V1, V2, SS->Usense(), SS->Vsense());
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return Standard_True;
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}
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return Standard_False;
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}
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