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85 lines
3.3 KiB
C++
Executable File
85 lines
3.3 KiB
C++
Executable File
// 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 <ShapeUpgrade_SplitSurfaceArea.ixx>
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#include <TColStd_HSequenceOfReal.hxx>
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#include <GeomAdaptor_Surface.hxx>
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//=======================================================================
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//function : ShapeUpgrade_SplitSurfaceArea
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//purpose :
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//=======================================================================
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ShapeUpgrade_SplitSurfaceArea::ShapeUpgrade_SplitSurfaceArea():
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ShapeUpgrade_SplitSurface()
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{
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myNbParts =1;
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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_SplitSurfaceArea::Compute(const Standard_Boolean /*Segment*/)
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{
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if(myNbParts <= 1)
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return;
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GeomAdaptor_Surface ads(mySurface,myUSplitValues->Value(1),myUSplitValues->Value(2),
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myVSplitValues->Value(1),myVSplitValues->Value(2));
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Standard_Real aKoefU = ads.UResolution(1.);
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Standard_Real aKoefV = ads.VResolution(1.);
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if(aKoefU ==0)
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aKoefU =1.;
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if(aKoefV ==0)
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aKoefV =1.;
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Standard_Real aUSize = fabs(myUSplitValues->Value(2) - myUSplitValues->Value(1))/aKoefU;
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Standard_Real aVSize = fabs(myVSplitValues->Value(2) - myVSplitValues->Value(1))/aKoefV;
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Standard_Real aNbUV = aUSize/aVSize;
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Handle(TColStd_HSequenceOfReal) aFirstSplit = (aNbUV <1. ? myVSplitValues : myUSplitValues);
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Handle(TColStd_HSequenceOfReal) aSecondSplit = (aNbUV <1. ? myUSplitValues : myVSplitValues);
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if(aNbUV<1)
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aNbUV = 1./aNbUV;
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Standard_Integer nbSplitF = (aNbUV >= myNbParts ? myNbParts : RealToInt(ceil(sqrt(myNbParts*ceil(aNbUV)))));
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Standard_Integer nbSplitS = (aNbUV >= myNbParts ? 0 : RealToInt(ceil((Standard_Real)myNbParts/(Standard_Real)nbSplitF)));
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if(nbSplitS ==1)
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nbSplitS++;
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if(!nbSplitF)
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return;
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Standard_Real aStep = (aFirstSplit->Value(2) - aFirstSplit->Value(1))/nbSplitF;
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Standard_Real aPrevPar = aFirstSplit->Value(1);
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Standard_Integer i =1;
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for( ; i < nbSplitF; i++) {
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Standard_Real aNextPar = aPrevPar + aStep;
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aFirstSplit->InsertBefore(i+1,aNextPar);
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aPrevPar = aNextPar;
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}
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if(nbSplitS) {
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aStep = (aSecondSplit->Value(2) - aSecondSplit->Value(1))/nbSplitS;
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aPrevPar = aSecondSplit->Value(1);
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for(i =1 ; i < nbSplitS; i++) {
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Standard_Real aNextPar = aPrevPar + aStep;
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aSecondSplit->InsertBefore(i+1,aNextPar);
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aPrevPar = aNextPar;
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}
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}
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}
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