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vtkThinPlateSplineTransform.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkThinPlateSplineTransform.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00041 #ifndef __vtkThinPlateSplineTransform_h
00042 #define __vtkThinPlateSplineTransform_h
00043 
00044 #include "vtkWarpTransform.h"
00045 
00046 #define VTK_RBF_CUSTOM 0
00047 #define VTK_RBF_R      1
00048 #define VTK_RBF_R2LOGR 2
00049 
00050 class VTK_HYBRID_EXPORT vtkThinPlateSplineTransform : public vtkWarpTransform
00051 {
00052 public:
00053   vtkTypeRevisionMacro(vtkThinPlateSplineTransform,vtkWarpTransform);
00054   void PrintSelf(ostream& os, vtkIndent indent);
00055   static vtkThinPlateSplineTransform *New();
00056 
00058 
00059   vtkGetMacro(Sigma,double);
00060   vtkSetMacro(Sigma,double);
00062 
00064 
00066   void SetBasis(int basis);
00067   vtkGetMacro(Basis,int);
00068   void SetBasisToR() { this->SetBasis(VTK_RBF_R); };
00069   void SetBasisToR2LogR() { this->SetBasis(VTK_RBF_R2LOGR); };
00070   const char *GetBasisAsString();
00072 
00073 //BTX
00075 
00077   void SetBasisFunction(double (*U)(double r)) {
00078     if (this->BasisFunction == U) { return; }
00079     this->SetBasis(VTK_RBF_CUSTOM);
00080     this->BasisFunction = U; 
00081     this->Modified(); };
00082   void SetBasisDerivative(double (*dUdr)(double r, double &dU)) {
00083     this->BasisDerivative = dUdr; 
00084     this->Modified(); };    
00086 //ETX
00087 
00089 
00092   void SetSourceLandmarks(vtkPoints *source);
00093   vtkGetObjectMacro(SourceLandmarks,vtkPoints);
00095 
00097 
00100   void SetTargetLandmarks(vtkPoints *target);
00101   vtkGetObjectMacro(TargetLandmarks,vtkPoints);
00103 
00105   unsigned long GetMTime();
00106 
00108   vtkAbstractTransform *MakeTransform();
00109 
00110 protected:
00111   vtkThinPlateSplineTransform();
00112   ~vtkThinPlateSplineTransform();
00113 
00115   void InternalUpdate();
00116 
00118   void InternalDeepCopy(vtkAbstractTransform *transform);
00119 
00120   void ForwardTransformPoint(const float in[3], float out[3]);
00121   void ForwardTransformPoint(const double in[3], double out[3]);
00122 
00123   void ForwardTransformDerivative(const float in[3], float out[3],
00124                                   float derivative[3][3]);
00125   void ForwardTransformDerivative(const double in[3], double out[3],
00126                                   double derivative[3][3]);
00127 
00128   double Sigma;
00129   vtkPoints *SourceLandmarks;
00130   vtkPoints *TargetLandmarks;
00131 
00132 //BTX
00133   // the radial basis function to use
00134   double (*BasisFunction)(double r);
00135   double (*BasisDerivative)(double r, double& dUdr);
00136 //ETX
00137   int Basis;
00138 
00139   int NumberOfPoints;
00140   double **MatrixW;
00141 private:
00142   vtkThinPlateSplineTransform(const vtkThinPlateSplineTransform&);  // Not implemented.
00143   void operator=(const vtkThinPlateSplineTransform&);  // Not implemented.
00144 };
00145 
00146 #endif
00147 
00148 
00149 
00150 
00151