Graphics/vtkInterpolatingSubdivisionFilter.h Source File

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkInterpolatingSubdivisionFilter.h,v $
00005   Language:  C++
00006 
00007 
00008 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00009 All rights reserved.
00010 
00011 Redistribution and use in source and binary forms, with or without
00012 modification, are permitted provided that the following conditions are met:
00013 
00014  * Redistributions of source code must retain the above copyright notice,
00015    this list of conditions and the following disclaimer.
00016 
00017  * Redistributions in binary form must reproduce the above copyright notice,
00018    this list of conditions and the following disclaimer in the documentation
00019    and/or other materials provided with the distribution.
00020 
00021  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00022    of any contributors may be used to endorse or promote products derived
00023    from this software without specific prior written permission.
00024 
00025  * Modified source versions must be plainly marked as such, and must not be
00026    misrepresented as being the original software.
00027 
00028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00029 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00030 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00031 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00033 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038 
00039 =========================================================================*/
00053 #ifndef __vtkInterpolatingSubdivisionFilter_h
00054 #define __vtkInterpolatingSubdivisionFilter_h
00055 
00056 #include "vtkPolyDataToPolyDataFilter.h"
00057 
00058 class vtkIntArray;
00059 class vtkIdList;
00060 class vtkCellArray;
00061 
00062 class VTK_GRAPHICS_EXPORT vtkInterpolatingSubdivisionFilter : public vtkPolyDataToPolyDataFilter
00063 {
00064 public:
00065   vtkTypeMacro(vtkInterpolatingSubdivisionFilter,vtkPolyDataToPolyDataFilter);
00066   void PrintSelf(ostream& os, vtkIndent indent);
00067 
00069 
00070   vtkSetMacro(NumberOfSubdivisions,int);
00071   vtkGetMacro(NumberOfSubdivisions,int);
00073 
00074 protected:
00075   vtkInterpolatingSubdivisionFilter();
00076   ~vtkInterpolatingSubdivisionFilter() {};
00077 
00078   void Execute();
00079   virtual void GenerateSubdivisionPoints (vtkPolyData *inputDS, vtkIntArray *edgeData, vtkPoints *outputPts, vtkPointData *outputPD) = 0;
00080   void GenerateSubdivisionCells (vtkPolyData *inputDS, vtkIntArray *edgeData, vtkCellArray *outputPolys, vtkCellData *outputCD);
00081   int FindEdge (vtkPolyData *mesh, vtkIdType cellId, vtkIdType p1,
00082                 vtkIdType p2, vtkIntArray *edgeData, vtkIdList *cellIds);
00083   vtkIdType InterpolatePosition (vtkPoints *inputPts, vtkPoints *outputPts,
00084                                  vtkIdList *stencil, float *weights);
00085   int NumberOfSubdivisions;
00086 private:
00087   vtkInterpolatingSubdivisionFilter(const vtkInterpolatingSubdivisionFilter&);  // Not implemented.
00088   void operator=(const vtkInterpolatingSubdivisionFilter&);  // Not implemented.
00089 };
00090 
00091 #endif
00092 
00093