graphics/vtkSampleFunction.h Source File

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkSampleFunction.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 =========================================================================*/
00059 #ifndef __vtkSampleFunction_h
00060 #define __vtkSampleFunction_h
00061 
00062 #include "vtkStructuredPointsSource.h"
00063 #include "vtkImplicitFunction.h"
00064 
00065 class VTK_EXPORT vtkSampleFunction : public vtkStructuredPointsSource
00066 {
00067 public:
00068   vtkTypeMacro(vtkSampleFunction,vtkStructuredPointsSource);
00069   void PrintSelf(ostream& os, vtkIndent indent);
00070 
00074   static vtkSampleFunction *New();
00075 
00077   vtkSetObjectMacro(ImplicitFunction,vtkImplicitFunction);
00078   vtkGetObjectMacro(ImplicitFunction,vtkImplicitFunction);
00079 
00083   vtkSetObjectMacro(Scalars,vtkScalars);
00084 
00086   void SetSampleDimensions(int i, int j, int k);
00087 
00089   void SetSampleDimensions(int dim[3]);
00090   vtkGetVectorMacro(SampleDimensions,int,3);
00091 
00093   vtkSetVector6Macro(ModelBounds,float);
00094   vtkGetVectorMacro(ModelBounds,float,6);
00095 
00099   vtkSetMacro(Capping,int);
00100   vtkGetMacro(Capping,int);
00101   vtkBooleanMacro(Capping,int);
00102   
00104   vtkSetMacro(CapValue,float);
00105   vtkGetMacro(CapValue,float);
00106 
00108   vtkSetMacro(ComputeNormals,int);
00109   vtkGetMacro(ComputeNormals,int);
00110   vtkBooleanMacro(ComputeNormals,int);
00111 
00113   unsigned long GetMTime();
00114 
00115 protected:
00116   vtkSampleFunction();
00117   ~vtkSampleFunction();
00118   vtkSampleFunction(const vtkSampleFunction&) {};
00119   void operator=(const vtkSampleFunction&) {};
00120 
00121   void Execute();
00122   void ExecuteInformation();
00123   void Cap(vtkScalars *s);
00124 
00125   int SampleDimensions[3];
00126   float ModelBounds[6];
00127   vtkScalars *Scalars;
00128   int Capping;
00129   float CapValue;
00130   vtkImplicitFunction *ImplicitFunction;
00131   int ComputeNormals;
00132 };
00133 
00134 #endif
00135 
00136