00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkImplicitSum.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 __vtkImplicitSum_h 00060 #define __vtkImplicitSum_h 00061 00062 #include "vtkImplicitFunction.h" 00063 00064 class vtkDoubleArray; 00065 class vtkImplicitFunctionCollection; 00066 00067 class VTK_FILTERING_EXPORT vtkImplicitSum : public vtkImplicitFunction 00068 { 00069 public: 00070 static vtkImplicitSum *New(); 00071 00072 vtkTypeRevisionMacro(vtkImplicitSum,vtkImplicitFunction); 00073 void PrintSelf(ostream& os, vtkIndent indent); 00074 00076 00077 double EvaluateFunction(double x[3]); 00078 double EvaluateFunction(double x, double y, double z) 00079 {return this->vtkImplicitFunction::EvaluateFunction(x, y, z); } ; 00081 00084 void EvaluateGradient(double x[3], double g[3]); 00085 00087 unsigned long GetMTime(); 00088 00091 void AddFunction(vtkImplicitFunction *in, double weight); 00092 00095 void AddFunction(vtkImplicitFunction *in) { this->AddFunction(in, 1.0); } 00096 00098 void RemoveAllFunctions(); 00099 00101 void SetFunctionWeight(vtkImplicitFunction *f, double weight); 00102 00104 00109 vtkSetMacro(NormalizeByWeight, int); 00110 vtkGetMacro(NormalizeByWeight, int); 00111 vtkBooleanMacro(NormalizeByWeight, int); 00113 00114 protected: 00115 vtkImplicitSum(); 00116 ~vtkImplicitSum(); 00117 00118 vtkImplicitFunctionCollection *FunctionList; 00119 vtkDoubleArray *Weights; 00120 double TotalWeight; 00121 00122 void CalculateTotalWeight(void); 00123 int NormalizeByWeight; 00124 00125 private: 00126 vtkImplicitSum(const vtkImplicitSum&); // Not implemented. 00127 void operator=(const vtkImplicitSum&); // Not implemented. 00128 }; 00129 00130 #endif