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contrib/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) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00008 All rights reserved.
00009 
00010 Redistribution and use in source and binary forms, with or without
00011 modification, are permitted provided that the following conditions are met:
00012 
00013  * Redistributions of source code must retain the above copyright notice,
00014    this list of conditions and the following disclaimer.
00015 
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019 
00020  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00021    of any contributors may be used to endorse or promote products derived
00022    from this software without specific prior written permission.
00023 
00024  * Modified source versions must be plainly marked as such, and must not be
00025    misrepresented as being the original software.
00026 
00027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00028 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00029 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00030 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00032 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00033 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00034 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00035 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00036 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 
00038 =========================================================================*/
00067 #ifndef __vtkThinPlateSplineTransform_h
00068 #define __vtkThinPlateSplineTransform_h
00069 
00070 #include "vtkWarpTransform.h"
00071 
00072 #define VTK_RBF_CUSTOM 0
00073 #define VTK_RBF_R      1
00074 #define VTK_RBF_R2LOGR 2
00075 
00076 class VTK_EXPORT vtkThinPlateSplineTransform : public vtkWarpTransform
00077 {
00078 public:
00079   vtkTypeMacro(vtkThinPlateSplineTransform,vtkWarpTransform);
00080   void PrintSelf(ostream& os, vtkIndent indent);
00081   static vtkThinPlateSplineTransform *New();
00082 
00084   vtkGetMacro(Sigma,double);
00085   vtkSetMacro(Sigma,double);
00086 
00089   void SetBasis(int basis);
00090   vtkGetMacro(Basis,int);
00091   void SetBasisToR() { this->SetBasis(VTK_RBF_R); };
00092   void SetBasisToR2LogR() { this->SetBasis(VTK_RBF_R2LOGR); };
00093   const char *GetBasisAsString();
00094 
00095 //BTX
00098   void SetBasisFunction(double (*U)(double r)) {
00099     if (this->BasisFunction == U) { return; }
00100     this->SetBasis(VTK_RBF_CUSTOM);
00101     this->BasisFunction = U; 
00102     this->Modified(); };
00103   void SetBasisDerivative(double (*dUdr)(double r, double &dU)) {
00104     this->BasisDerivative = dUdr; 
00105     this->Modified(); };    
00106 //ETX
00107 
00111   void SetSourceLandmarks(vtkPoints *source);
00112   vtkGetObjectMacro(SourceLandmarks,vtkPoints);
00113 
00117   void SetTargetLandmarks(vtkPoints *target);
00118   vtkGetObjectMacro(TargetLandmarks,vtkPoints);
00119 
00121   unsigned long GetMTime();
00122 
00124   vtkAbstractTransform *MakeTransform();
00125 
00126 protected:
00127   vtkThinPlateSplineTransform();
00128   ~vtkThinPlateSplineTransform();
00129   vtkThinPlateSplineTransform(const vtkThinPlateSplineTransform&) {};
00130   void operator=(const vtkThinPlateSplineTransform&) {};
00131 
00133   void InternalUpdate();
00134 
00136   void InternalDeepCopy(vtkAbstractTransform *transform);
00137 
00138   void ForwardTransformPoint(const float in[3], float out[3]);
00139   void ForwardTransformPoint(const double in[3], double out[3]);
00140 
00141   void ForwardTransformDerivative(const float in[3], float out[3],
00142               float derivative[3][3]);
00143   void ForwardTransformDerivative(const double in[3], double out[3],
00144               double derivative[3][3]);
00145 
00146   double Sigma;
00147   vtkPoints *SourceLandmarks;
00148   vtkPoints *TargetLandmarks;
00149 
00150 //BTX
00151   // the radial basis function to use
00152   double (*BasisFunction)(double r);
00153   double (*BasisDerivative)(double r, double& dUdr);
00154 //ETX
00155   int Basis;
00156 
00157   int NumberOfPoints;
00158   double **MatrixW;
00159 };
00160 
00161 #endif
00162 
00163 
00164 
00165 
00166 

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