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Common/vtkNonLinearCell.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkNonLinearCell.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00050 #ifndef __vtkNonLinearCell_h
00051 #define __vtkNonLinearCell_h
00052 
00053 #include "vtkCell.h"
00054 
00055 #include "vtkPointLocator.h" // Needed for inline method
00056 #include "vtkPoints.h" // Needed for inline method
00057 
00058 class vtkPolyData;
00059 class vtkDataSet;
00060 class vtkUnstructuredGrid;
00061 
00062 class VTK_COMMON_EXPORT vtkNonLinearCell : public vtkCell
00063 {
00064 public:
00065   vtkTypeRevisionMacro(vtkNonLinearCell,vtkCell);  
00066   void PrintSelf(ostream& os, vtkIndent indent);
00067 
00069 
00071   vtkSetClampMacro(Error,float,0.001f,1.0f);
00072   vtkGetMacro(Error,float);
00074 
00078   virtual int IsLinear() {return 0;}
00079   
00081 
00091   virtual void Tesselate(vtkIdType cellId, 
00092                          vtkDataSet *input, vtkPolyData *output, 
00093                          vtkPointLocator *locator=NULL);
00095   
00097 
00107   virtual void Tesselate(vtkIdType cellId, 
00108                          vtkDataSet *input, vtkUnstructuredGrid *output, 
00109                          vtkPointLocator *locator=NULL);
00111   
00112 
00113 protected:
00114   vtkNonLinearCell();
00115   ~vtkNonLinearCell() {}
00116 
00117   float Error;
00118 
00119   // inline helper for tesselation- used by subclasses
00120   vtkIdType InsertPoint(vtkPointLocator *locator, vtkPoints *pts, float *x)
00121     {
00122       if ( locator != NULL ) 
00123         {
00124         vtkIdType p;
00125         locator->InsertUniquePoint(x,p);
00126         return p;
00127         }
00128       else
00129         {
00130         return pts->InsertNextPoint(x);
00131         }
00132     }
00133   
00134 private:
00135   vtkNonLinearCell(const vtkNonLinearCell&);  // Not implemented.
00136   void operator=(const vtkNonLinearCell&);  // Not implemented.
00137 };
00138 
00139 #endif
00140 
00141