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graphics/vtkImplicitVolume.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkImplicitVolume.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 =========================================================================*/
00068 #ifndef __vtkImplicitVolume_h
00069 #define __vtkImplicitVolume_h
00070 
00071 #include "vtkImplicitFunction.h"
00072 #include "vtkStructuredPoints.h"
00073 #include "vtkImageToStructuredPoints.h"
00074 
00075 class VTK_EXPORT vtkImplicitVolume : public vtkImplicitFunction
00076 {
00077 public:
00078   vtkTypeMacro(vtkImplicitVolume,vtkImplicitFunction);
00079   void PrintSelf(ostream& os, vtkIndent indent);
00080 
00083   static vtkImplicitVolume *New();
00084 
00086   unsigned long GetMTime();
00087 
00090   float EvaluateFunction(float x[3]);
00091   float EvaluateFunction(float x, float y, float z)
00092     {return this->vtkImplicitFunction::EvaluateFunction(x, y, z); } ;
00093 
00095   void EvaluateGradient(float x[3], float n[3]);
00096 
00098   vtkSetObjectMacro(Volume,vtkStructuredPoints);
00099   vtkGetObjectMacro(Volume,vtkStructuredPoints);
00100   void SetVolume(vtkImageData *cache)
00101     {vtkImageToStructuredPoints *tmp = cache->MakeImageToStructuredPoints();
00102     this->SetVolume(tmp->GetOutput()); tmp->Delete();}
00103 
00105   vtkSetMacro(OutValue,float);
00106   vtkGetMacro(OutValue,float);
00107 
00109   vtkSetVector3Macro(OutGradient,float);
00110   vtkGetVector3Macro(OutGradient,float);
00111 
00112 protected:
00113   vtkImplicitVolume();
00114   ~vtkImplicitVolume();
00115   vtkImplicitVolume(const vtkImplicitVolume&) {};
00116   void operator=(const vtkImplicitVolume&) {};
00117 
00118   vtkStructuredPoints *Volume; // the structured points
00119   float OutValue;
00120   float OutGradient[3];
00121   // to replace a static
00122   vtkIdList *PointIds;
00123 };
00124 
00125 #endif
00126 
00127 

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