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dox/Filtering/vtkCellType.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkCellType.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00025 #ifndef __vtkCellType_h
00026 #define __vtkCellType_h
00027 
00028 // To add a new cell type, define a new integer type flag here, then
00029 // create a subclass of vtkCell to implement the proper behavior. You 
00030 // may have to modify the following methods: vtkDataSet (and subclasses) 
00031 // GetCell() and vtkGenericCell::SetCellType(). Also, to do the job right,
00032 // you'll also have to modify some filters (vtkGeometryFilter...) and
00033 // regression tests (example scripts) to reflect the new cell addition.
00034 // Also, make sure to update vtkCellTypesStrings in vtkCellTypes.cxx.
00035 
00036 // .SECTION Caveats
00037 // An unstructured grid stores the types of its cells as a
00038 // unsigned char array. Therefore, the maximum encoding number for a cell type
00039 // is 255.
00040 
00041 typedef enum {
00042   // Linear cells
00043   VTK_EMPTY_CELL       = 0,
00044   VTK_VERTEX           = 1,
00045   VTK_POLY_VERTEX      = 2,
00046   VTK_LINE             = 3,
00047   VTK_POLY_LINE        = 4,
00048   VTK_TRIANGLE         = 5,
00049   VTK_TRIANGLE_STRIP   = 6,
00050   VTK_POLYGON          = 7,
00051   VTK_PIXEL            = 8,
00052   VTK_QUAD             = 9,
00053   VTK_TETRA            = 10,
00054   VTK_VOXEL            = 11,
00055   VTK_HEXAHEDRON       = 12,
00056   VTK_WEDGE            = 13,
00057   VTK_PYRAMID          = 14,
00058   VTK_PENTAGONAL_PRISM = 15,
00059   VTK_HEXAGONAL_PRISM  = 16,
00060 
00061   // Quadratic, isoparametric cells
00062   VTK_QUADRATIC_EDGE                   = 21,
00063   VTK_QUADRATIC_TRIANGLE               = 22,
00064   VTK_QUADRATIC_QUAD                   = 23,
00065   VTK_QUADRATIC_TETRA                  = 24,
00066   VTK_QUADRATIC_HEXAHEDRON             = 25,
00067   VTK_QUADRATIC_WEDGE                  = 26,
00068   VTK_QUADRATIC_PYRAMID                = 27,
00069   VTK_BIQUADRATIC_QUAD                 = 28,
00070   VTK_TRIQUADRATIC_HEXAHEDRON          = 29,
00071   VTK_QUADRATIC_LINEAR_QUAD            = 30,
00072   VTK_QUADRATIC_LINEAR_WEDGE           = 31,
00073   VTK_BIQUADRATIC_QUADRATIC_WEDGE      = 32,
00074   VTK_BIQUADRATIC_QUADRATIC_HEXAHEDRON = 33,
00075 
00076   // Special class of cells formed by convex group of points
00077   VTK_CONVEX_POINT_SET = 41,
00078 
00079   // Higher order cells in parametric form
00080   VTK_PARAMETRIC_CURVE        = 51,
00081   VTK_PARAMETRIC_SURFACE      = 52,
00082   VTK_PARAMETRIC_TRI_SURFACE  = 53,
00083   VTK_PARAMETRIC_QUAD_SURFACE = 54,
00084   VTK_PARAMETRIC_TETRA_REGION = 55,
00085   VTK_PARAMETRIC_HEX_REGION   = 56,
00086 
00087   // Higher order cells
00088   VTK_HIGHER_ORDER_EDGE        = 60,
00089   VTK_HIGHER_ORDER_TRIANGLE    = 61,
00090   VTK_HIGHER_ORDER_QUAD        = 62,
00091   VTK_HIGHER_ORDER_POLYGON     = 63,
00092   VTK_HIGHER_ORDER_TETRAHEDRON = 64,
00093   VTK_HIGHER_ORDER_WEDGE       = 65,
00094   VTK_HIGHER_ORDER_PYRAMID     = 66,
00095   VTK_HIGHER_ORDER_HEXAHEDRON  = 67,
00096 
00097   VTK_NUMBER_OF_CELL_TYPES
00098 } VTKCellType;
00099 
00100 #endif

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