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Imaging/vtkSampleFunction.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkSampleFunction.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 =========================================================================*/
00051 #ifndef __vtkSampleFunction_h
00052 #define __vtkSampleFunction_h
00053 
00054 #include "vtkImageSource.h"
00055 
00056 class vtkImplicitFunction;
00057 class vtkDataArray;
00058 
00059 class VTK_IMAGING_EXPORT vtkSampleFunction : public vtkImageSource
00060 {
00061 public:
00062   vtkTypeRevisionMacro(vtkSampleFunction,vtkImageSource);
00063   void PrintSelf(ostream& os, vtkIndent indent);
00064 
00068   static vtkSampleFunction *New();
00069 
00071 
00072   virtual void SetImplicitFunction(vtkImplicitFunction*);
00073   vtkGetObjectMacro(ImplicitFunction,vtkImplicitFunction);
00075 
00077 
00078   vtkSetMacro(OutputScalarType,int);
00079   vtkGetMacro(OutputScalarType,int);
00080   void SetOutputScalarTypeToDouble()
00081     {this->SetOutputScalarType(VTK_DOUBLE);}
00082   void SetOutputScalarTypeToFloat()
00083     {this->SetOutputScalarType(VTK_FLOAT);}
00084   void SetOutputScalarTypeToLong()
00085     {this->SetOutputScalarType(VTK_LONG);}
00086   void SetOutputScalarTypeToUnsignedLong()
00087     {this->SetOutputScalarType(VTK_UNSIGNED_LONG);};
00088   void SetOutputScalarTypeToInt()
00089     {this->SetOutputScalarType(VTK_INT);}
00090   void SetOutputScalarTypeToUnsignedInt()
00091     {this->SetOutputScalarType(VTK_UNSIGNED_INT);}
00092   void SetOutputScalarTypeToShort()
00093     {this->SetOutputScalarType(VTK_SHORT);}
00094   void SetOutputScalarTypeToUnsignedShort()
00095     {this->SetOutputScalarType(VTK_UNSIGNED_SHORT);}
00096   void SetOutputScalarTypeToChar()
00097     {this->SetOutputScalarType(VTK_CHAR);}
00098   void SetOutputScalarTypeToUnsignedChar()
00099     {this->SetOutputScalarType(VTK_UNSIGNED_CHAR);}
00101 
00105   virtual void SetScalars(vtkDataArray *da);
00106 
00108   void SetSampleDimensions(int i, int j, int k);
00109 
00111 
00112   void SetSampleDimensions(int dim[3]);
00113   vtkGetVectorMacro(SampleDimensions,int,3);
00115 
00117 
00118   vtkSetVector6Macro(ModelBounds,float);
00119   vtkGetVectorMacro(ModelBounds,float,6);
00121 
00123 
00126   vtkSetMacro(Capping,int);
00127   vtkGetMacro(Capping,int);
00128   vtkBooleanMacro(Capping,int);
00130   
00132 
00133   vtkSetMacro(CapValue,float);
00134   vtkGetMacro(CapValue,float);
00136 
00138 
00139   vtkSetMacro(ComputeNormals,int);
00140   vtkGetMacro(ComputeNormals,int);
00141   vtkBooleanMacro(ComputeNormals,int);
00143 
00145   unsigned long GetMTime();
00146 
00147 protected:
00148   vtkSampleFunction();
00149   ~vtkSampleFunction();
00150 
00151   void ExecuteData(vtkDataObject *);
00152   void ExecuteInformation();
00153   void Cap(vtkDataArray *s);
00154 
00155   int OutputScalarType;
00156   int SampleDimensions[3];
00157   float ModelBounds[6];
00158   int Capping;
00159   float CapValue;
00160   vtkImplicitFunction *ImplicitFunction;
00161   int ComputeNormals;
00162 private:
00163   vtkSampleFunction(const vtkSampleFunction&);  // Not implemented.
00164   void operator=(const vtkSampleFunction&);  // Not implemented.
00165 };
00166 
00167 #endif
00168 
00169