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dox/Common/vtkImplicitFunction.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkImplicitFunction.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 =========================================================================*/ 00049 #ifndef __vtkImplicitFunction_h 00050 #define __vtkImplicitFunction_h 00051 00052 #include "vtkObject.h" 00053 00054 class vtkAbstractTransform; 00055 00056 class VTK_COMMON_EXPORT vtkImplicitFunction : public vtkObject 00057 { 00058 public: 00059 vtkTypeRevisionMacro(vtkImplicitFunction,vtkObject); 00060 void PrintSelf(ostream& os, vtkIndent indent); 00061 00064 unsigned long GetMTime(); 00065 00067 00069 double FunctionValue(const double x[3]); 00070 double FunctionValue(double x, double y, double z) { 00071 double xyz[3] = {x, y, z}; return this->FunctionValue(xyz); }; 00073 00075 00077 void FunctionGradient(const double x[3], double g[3]); 00078 double *FunctionGradient(const double x[3]) { 00079 this->FunctionGradient(x,this->ReturnValue); 00080 return this->ReturnValue; }; 00081 double *FunctionGradient(double x, double y, double z) { 00082 double xyz[3] = {x, y, z}; return this->FunctionGradient(xyz); }; 00084 00086 00088 virtual void SetTransform(vtkAbstractTransform*); 00089 vtkGetObjectMacro(Transform,vtkAbstractTransform); 00091 00093 00097 virtual double EvaluateFunction(double x[3]) = 0; 00098 double EvaluateFunction(double x, double y, double z) { 00099 double xyz[3] = {x, y, z}; return this->EvaluateFunction(xyz); }; 00101 00106 virtual void EvaluateGradient(double x[3], double g[3]) = 0; 00107 00108 protected: 00109 vtkImplicitFunction(); 00110 ~vtkImplicitFunction(); 00111 00112 vtkAbstractTransform *Transform; 00113 double ReturnValue[3]; 00114 private: 00115 vtkImplicitFunction(const vtkImplicitFunction&); // Not implemented. 00116 void operator=(const vtkImplicitFunction&); // Not implemented. 00117 }; 00118 00119 #endif