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graphics/vtkButterflySubdivisionFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkButterflySubdivisionFilter.h,v $
00005   Language:  C++
00006 
00007 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00008 All rights reserved.
00009 
00010 Redistribution and use in source and binary forms, with or without
00011 modification, are permitted provided that the following conditions are met:
00012 
00013  * Redistributions of source code must retain the above copyright notice,
00014    this list of conditions and the following disclaimer.
00015 
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019 
00020  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00021    of any contributors may be used to endorse or promote products derived
00022    from this software without specific prior written permission.
00023 
00024  * Modified source versions must be plainly marked as such, and must not be
00025    misrepresented as being the original software.
00026 
00027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00028 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00029 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00030 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00032 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00033 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00034 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00035 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00036 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 
00038 =========================================================================*/
00072 #ifndef __vtkButterflySubdivisionFilter_h
00073 #define __vtkButterflySubdivisionFilter_h
00074 
00075 #include "vtkInterpolatingSubdivisionFilter.h"
00076 #include "vtkIntArray.h"
00077 #include "vtkIdList.h"
00078 #include "vtkCellArray.h"
00079 
00080 class VTK_EXPORT vtkButterflySubdivisionFilter : public vtkInterpolatingSubdivisionFilter
00081 {
00082 public:
00084   static vtkButterflySubdivisionFilter *New();
00085   vtkTypeMacro(vtkButterflySubdivisionFilter,vtkInterpolatingSubdivisionFilter);
00086 
00087  protected:
00088   vtkButterflySubdivisionFilter () {};
00089   ~vtkButterflySubdivisionFilter () {};
00090   vtkButterflySubdivisionFilter(const vtkButterflySubdivisionFilter&) {};
00091   void operator=(const vtkButterflySubdivisionFilter&) {};
00092 
00093  private:
00094   void GenerateSubdivisionPoints (vtkPolyData *inputDS, vtkIntArray *edgeData, vtkPoints *outputPts, vtkPointData *outputPD);
00095   void GenerateButterflyStencil (int p1, int p2, vtkPolyData *polys, vtkIdList *stencilIds, float *weights);
00096   void GenerateLoopStencil (int p1, int p2, vtkPolyData *polys, vtkIdList *stencilIds, float *weights);
00097   void GenerateBoundaryStencil (int p1, int p2, vtkPolyData *polys, vtkIdList *stencilIds, float *weights);
00098 };
00099 
00100 #endif
00101 
00102 

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