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111 lines
4.1 KiB
C++
111 lines
4.1 KiB
C++
// Created on: 1999-05-06
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// Created by: data exchange team
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// Copyright (c) 1999-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Geom_ConicalSurface.hxx>
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#include <Geom_CylindricalSurface.hxx>
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#include <Geom_OffsetSurface.hxx>
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#include <Geom_RectangularTrimmedSurface.hxx>
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#include <Geom_SphericalSurface.hxx>
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#include <Geom_SurfaceOfRevolution.hxx>
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#include <Geom_ToroidalSurface.hxx>
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#include <Precision.hxx>
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#include <ShapeExtend.hxx>
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#include <ShapeUpgrade_SplitSurfaceAngle.hxx>
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#include <Standard_Type.hxx>
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#include <TColStd_HSequenceOfReal.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(ShapeUpgrade_SplitSurfaceAngle,ShapeUpgrade_SplitSurface)
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//=======================================================================
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//function : ShapeUpgrade_SplitSurfaceAngle
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//purpose :
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//=======================================================================
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ShapeUpgrade_SplitSurfaceAngle::ShapeUpgrade_SplitSurfaceAngle (const Standard_Real MaxAngle)
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{
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myMaxAngle = MaxAngle;
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}
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//=======================================================================
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//function : SetMaxAngle
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//purpose :
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//=======================================================================
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void ShapeUpgrade_SplitSurfaceAngle::SetMaxAngle (const Standard_Real MaxAngle)
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{
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myMaxAngle = MaxAngle;
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}
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//=======================================================================
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//function : MaxAngle
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//purpose :
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//=======================================================================
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double ShapeUpgrade_SplitSurfaceAngle::MaxAngle () const
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{
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return myMaxAngle;
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}
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//=======================================================================
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//function : Compute
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//purpose :
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//=======================================================================
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void ShapeUpgrade_SplitSurfaceAngle::Compute(const Standard_Boolean /*Segment*/)
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{
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Handle(Geom_Surface) S;
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Standard_Real U1 = 0.,U2 = 0.;
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Standard_Boolean isRect = Standard_False;
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if(mySurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))){
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Handle(Geom_RectangularTrimmedSurface) rts =
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Handle(Geom_RectangularTrimmedSurface)::DownCast(mySurface);
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isRect = Standard_True;
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Standard_Real V1,V2;
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rts->Bounds(U1,U2,V1,V2);
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S = rts->BasisSurface();
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}
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else if (mySurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) {
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Handle(Geom_OffsetSurface) ofs =
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Handle(Geom_OffsetSurface)::DownCast(mySurface);
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S = ofs->BasisSurface();
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}
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else
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S = mySurface;
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if(S->IsKind(STANDARD_TYPE(Geom_SurfaceOfRevolution))||
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S->IsKind(STANDARD_TYPE(Geom_ConicalSurface))||
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S->IsKind(STANDARD_TYPE(Geom_ToroidalSurface))||
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S->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))||
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S->IsKind(STANDARD_TYPE(Geom_SphericalSurface))) {
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Standard_Real UFirst = myUSplitValues->Sequence().First();
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Standard_Real ULast = myUSplitValues->Sequence().Last();
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Standard_Real maxAngle = myMaxAngle; //maximal u length of segment
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Standard_Real uLength = ULast-UFirst;
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Standard_Integer nbSegments = Standard_Integer((uLength-Precision::Angular())/maxAngle)+1;
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if(nbSegments==1)
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if(!isRect || !(uLength < maxAngle) || !((U2-U1) < maxAngle))
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myStatus = ShapeExtend::EncodeStatus (ShapeExtend_DONE2);
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Standard_Real segAngle = uLength/nbSegments;
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Standard_Real currAngle = segAngle+UFirst;
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Handle(TColStd_HSequenceOfReal) splitValues = new TColStd_HSequenceOfReal;
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for( Standard_Integer i = 1; i < nbSegments; i++, currAngle+=segAngle)
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splitValues->Append(currAngle);
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SetUSplitValues ( splitValues );
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}
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}
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