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itkNonUniformBSpline.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkNonUniformBSpline.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-02-06 20:53:13 $
00007   Version:   $Revision: 1.5 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 
00018 #ifndef __itkNonUniformBSpline_h
00019 #define __itkNonUniformBSpline_h
00020 
00021 #if defined(_MSC_VER)
00022 #pragma warning ( disable : 4786 )
00023 #endif
00024 
00025 #include <vector>
00026 
00027 #include "itkPoint.h"
00028 #include "itkObject.h"
00029 #include "itkArray.h"
00030 
00031 namespace itk {
00032 
00046 template < unsigned int TDimension = 3 >
00047 class NonUniformBSpline 
00048   : public Object
00049 {
00050 public:
00054   typedef NonUniformBSpline                            Self;
00055   typedef Object                                       Superclass;
00056   typedef SmartPointer < Self >                        Pointer;
00057   typedef SmartPointer < const Self >                  ConstPointer;
00058   typedef double                                       ScalarType;
00059   typedef itk::Point< ScalarType, TDimension >         PointType;
00060   typedef std::vector < PointType >                    PointListType;
00061   typedef PointListType *                              PointListPointer;
00062   typedef std::vector < double >                       KnotListType;
00063   typedef std::vector<double>                          CoordinateListType;
00064   typedef itk::Point<double, TDimension >              ControlPointType;
00065   typedef std::vector< ControlPointType >              ControlPointListType;
00066   typedef ControlPointListType *                       ControlPointListPointer;
00067   typedef std::vector<double>                          ChordLengthListType;
00068 
00070   itkNewMacro( Self );
00071 
00073   itkTypeMacro( NonUniformBSpline, Object );
00074 
00078   void SetPoints( PointListType & newPoints );
00079 
00083   PointListType& GetPoints()
00084     {
00085     return m_Points;
00086     }
00087 
00092   void SetKnots( KnotListType & newKnots);
00093 
00097   KnotListType& GetKnots();
00098 
00102   void ComputeChordLengths();
00103 
00108   PointType  EvaluateSpline(const Array<double> & p) const;
00109   PointType  EvaluateSpline( double t ) const;
00111 
00115   void ComputeControlPoints();
00116 
00120   void SetControlPoints( ControlPointListType& ctrlpts );
00121 
00125   ControlPointListType& GetControlPoints()
00126     { 
00127     return m_ControlPoints;
00128     }
00129 
00136   double NonUniformBSplineFunctionRecursive(unsigned int order, unsigned int i, double t) const;
00137 
00141   void SetSplineOrder(unsigned int order)
00142     {
00143     m_SplineOrder = order;
00144     this->Modified();
00145     }
00147 
00151   unsigned int GetSplineOrder()
00152     {
00153     return m_SplineOrder;
00154     }
00155 
00156 protected:
00157 
00161   NonUniformBSpline();
00162 
00166   virtual ~NonUniformBSpline();
00167 
00171   virtual void PrintSelf( std::ostream& os, Indent indent ) const;
00172 
00176   PointListType         m_Points;  
00177 
00181   KnotListType          m_Knots;
00182 
00186   ControlPointListType  m_ControlPoints;
00187 
00191   ChordLengthListType   m_ChordLength;  
00192 
00196   ChordLengthListType   m_CumulativeChordLength;
00197 
00201   unsigned int          m_SplineOrder;
00202 
00206   unsigned int          m_SpatialDimension;
00207 
00208 };
00209 
00210 } // end namespace itk
00211 
00212 #ifndef ITK_MANUAL_INSTANTIATION 
00213 #include "itkNonUniformBSpline.txx" 
00214 #endif 
00215 
00216 
00217 #endif // __itkNonUniformBSpline_h
00218 

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