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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: vtkTemporalInterpolator.h 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 =========================================================================*/ 00057 #ifndef __vtkTemporalInterpolator_h 00058 #define __vtkTemporalInterpolator_h 00059 00060 #include "vtkTemporalDataSetAlgorithm.h" 00061 00062 class vtkDataSet; 00063 00064 class VTK_HYBRID_EXPORT vtkTemporalInterpolator : public vtkTemporalDataSetAlgorithm 00065 { 00066 public: 00067 static vtkTemporalInterpolator *New(); 00068 vtkTypeMacro(vtkTemporalInterpolator, vtkTemporalDataSetAlgorithm); 00069 void PrintSelf(ostream& os, vtkIndent indent); 00070 00072 00079 vtkSetMacro(DiscreteTimeStepInterval, double); 00080 vtkGetMacro(DiscreteTimeStepInterval, double); 00082 00084 00091 vtkSetMacro(ResampleFactor, int); 00092 vtkGetMacro(ResampleFactor, int); 00094 00095 protected: 00096 vtkTemporalInterpolator(); 00097 ~vtkTemporalInterpolator(); 00098 00099 double DiscreteTimeStepInterval; 00100 int ResampleFactor; 00101 /* 00102 virtual int FillInputPortInformation(int port, vtkInformation* info); 00103 00104 virtual int RequestDataObject(vtkInformation *, 00105 vtkInformationVector **, 00106 vtkInformationVector *); 00107 */ 00108 virtual int RequestUpdateExtent(vtkInformation *, 00109 vtkInformationVector **, 00110 vtkInformationVector *); 00111 virtual int RequestInformation(vtkInformation *, 00112 vtkInformationVector **, 00113 vtkInformationVector *); 00114 00115 virtual int RequestData(vtkInformation *, 00116 vtkInformationVector **, 00117 vtkInformationVector *); 00118 00120 00122 vtkDataObject *InterpolateDataObject(vtkDataObject *in1, 00123 vtkDataObject *in2, 00124 double ratio); 00126 00128 00131 virtual vtkDataSet *InterpolateDataSet(vtkDataSet *in1, 00132 vtkDataSet *in2, 00133 double ratio); 00135 00137 00139 virtual vtkDataArray *InterpolateDataArray(double ratio, 00140 vtkDataArray **arrays, 00141 vtkIdType N); 00143 00146 virtual bool VerifyArrays(vtkDataArray **arrays, int N); 00147 00148 // internally used : Ratio is {0,1} between two time steps 00149 // DeltaT is time between current 2 steps. 00150 // These are only valid when 2 time steps are interpolated 00151 // Higher order schemes will require changes to the API 00152 double Ratio; 00153 double DeltaT; 00154 double Tfrac; 00155 00156 private: 00157 vtkTemporalInterpolator(const vtkTemporalInterpolator&); // Not implemented. 00158 void operator=(const vtkTemporalInterpolator&); // Not implemented. 00159 }; 00160 00161 00162 00163 #endif 00164 00165 00166
1.7.5.1