graphics/vtkApproximatingSubdivisionFilter.h Source File

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkApproximatingSubdivisionFilter.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 __vtkApproximatingSubdivisionFilter_h
00054 #define __vtkApproximatingSubdivisionFilter_h
00055 
00056 #include "vtkPolyDataToPolyDataFilter.h"
00057 #include "vtkIntArray.h"
00058 #include "vtkIdList.h"
00059 #include "vtkCellArray.h"
00060 
00061 class VTK_EXPORT vtkApproximatingSubdivisionFilter : public vtkPolyDataToPolyDataFilter
00062 {
00063 public:
00064   vtkTypeMacro(vtkApproximatingSubdivisionFilter,vtkPolyDataToPolyDataFilter);
00065   void PrintSelf(ostream& os, vtkIndent indent);
00066 
00068   vtkSetMacro(NumberOfSubdivisions,int);
00069   vtkGetMacro(NumberOfSubdivisions,int);
00070 
00071 protected:
00072   vtkApproximatingSubdivisionFilter();
00073   ~vtkApproximatingSubdivisionFilter() {};
00074   vtkApproximatingSubdivisionFilter(const vtkApproximatingSubdivisionFilter&) {};
00075   void operator=(const vtkApproximatingSubdivisionFilter&) {};
00076 
00077   void Execute();
00078   virtual void GenerateSubdivisionPoints (vtkPolyData *inputDS, vtkIntArray *edgeData, vtkPoints *outputPts, vtkPointData *outputPD) = 0;
00079   void GenerateSubdivisionCells (vtkPolyData *inputDS, vtkIntArray *edgeData, vtkCellArray *outputPolys, vtkCellData *outputCD);
00080   int FindEdge (vtkPolyData *mesh, int cellId, int p1, int p2,
00081       vtkIntArray *edgeData, vtkIdList *cellIds);
00082   int InterpolatePosition (vtkPoints *inputPts, vtkPoints *outputPts, vtkIdList *stencil, float *weights);
00083   int NumberOfSubdivisions;
00084 };
00085 
00086 #endif
00087 
00088