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69 lines
2.7 KiB
69 lines
2.7 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkApproximatingSubdivisionFilter.h,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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// .NAME vtkApproximatingSubdivisionFilter - generate a subdivision surface using an Approximating Scheme
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// .SECTION Description
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// vtkApproximatingSubdivisionFilter is an abstract class that defines
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// the protocol for Approximating subdivision surface filters.
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// .SECTION Thanks
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// This work was supported by PHS Research Grant No. 1 P41 RR13218-01
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// from the National Center for Research Resources.
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#ifndef __vtkApproximatingSubdivisionFilter_h
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#define __vtkApproximatingSubdivisionFilter_h
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#include "vtkPolyDataAlgorithm.h"
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class vtkCellArray;
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class vtkCellData;
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class vtkIdList;
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class vtkIntArray;
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class vtkPoints;
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class vtkPointData;
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class VTK_GRAPHICS_EXPORT vtkApproximatingSubdivisionFilter : public vtkPolyDataAlgorithm
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{
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public:
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vtkTypeRevisionMacro(vtkApproximatingSubdivisionFilter,vtkPolyDataAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Set/get the number of subdivisions.
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vtkSetMacro(NumberOfSubdivisions,int);
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vtkGetMacro(NumberOfSubdivisions,int);
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protected:
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vtkApproximatingSubdivisionFilter();
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~vtkApproximatingSubdivisionFilter() {};
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int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
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virtual void GenerateSubdivisionPoints (vtkPolyData *inputDS,
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vtkIntArray *edgeData,
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vtkPoints *outputPts,
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vtkPointData *outputPD) = 0;
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void GenerateSubdivisionCells (vtkPolyData *inputDS, vtkIntArray *edgeData,
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vtkCellArray *outputPolys,
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vtkCellData *outputCD);
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int FindEdge (vtkPolyData *mesh, vtkIdType cellId, vtkIdType p1,
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vtkIdType p2, vtkIntArray *edgeData, vtkIdList *cellIds);
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vtkIdType InterpolatePosition (vtkPoints *inputPts, vtkPoints *outputPts,
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vtkIdList *stencil, double *weights);
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int NumberOfSubdivisions;
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private:
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vtkApproximatingSubdivisionFilter(const vtkApproximatingSubdivisionFilter&); // Not implemented.
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void operator=(const vtkApproximatingSubdivisionFilter&); // Not implemented.
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};
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#endif
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