ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkInterpolateImagePointsFilter.h
Go to the documentation of this file.
00001 /*=========================================================================
00002  *
00003  *  Copyright Insight Software Consortium
00004  *
00005  *  Licensed under the Apache License, Version 2.0 (the "License");
00006  *  you may not use this file except in compliance with the License.
00007  *  You may obtain a copy of the License at
00008  *
00009  *         http://www.apache.org/licenses/LICENSE-2.0.txt
00010  *
00011  *  Unless required by applicable law or agreed to in writing, software
00012  *  distributed under the License is distributed on an "AS IS" BASIS,
00013  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  *  See the License for the specific language governing permissions and
00015  *  limitations under the License.
00016  *
00017  *=========================================================================*/
00018 /*=========================================================================
00019  *
00020  *  Portions of this file are subject to the VTK Toolkit Version 3 copyright.
00021  *
00022  *  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00023  *
00024  *  For complete copyright, license and disclaimer of warranty information
00025  *  please refer to the NOTICE file at the top of the ITK source tree.
00026  *
00027  *=========================================================================*/
00028 #ifndef __itkInterpolateImagePointsFilter_h
00029 #define __itkInterpolateImagePointsFilter_h
00030 
00031 #include "itkBSplineInterpolateImageFunction.h"
00032 #include "itkImageToImageFilter.h"
00033 #include "itkImageRegionIterator.h"
00034 
00035 namespace itk
00036 {
00076 template< class TInputImage,
00077           class TOutputImage,
00078           class TCoordType = typename TInputImage::PixelType,
00079           class InterpolatorType = BSplineInterpolateImageFunction< TInputImage, TCoordType > >
00080 class ITK_EXPORT InterpolateImagePointsFilter:
00081   public ImageToImageFilter< TInputImage, TOutputImage >
00082 {
00083 public:
00085   typedef InterpolateImagePointsFilter                    Self;
00086   typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
00087   typedef SmartPointer< Self >                            Pointer;
00088   typedef SmartPointer< const Self >                      ConstPointer;
00089 
00091   itkTypeMacro(InterpolateImagePointsFilter, ImageToImageFilter);
00092 
00094   itkNewMacro(Self);
00095 
00097   itkStaticConstMacro(ImageDimension, unsigned int, TInputImage::ImageDimension);
00098 
00100   typedef typename Superclass::InputImageType    InputImageType;
00101   typedef typename Superclass::OutputImageType   OutputImageType;
00102   typedef typename Superclass::InputImagePointer InputImagePointer;
00103 
00105   typedef typename TOutputImage::Pointer        OutputImagePointer;
00106   typedef ImageRegionIterator< InputImageType > OutputImageIterator;
00107   typedef typename OutputImageType::RegionType  OutputImageRegionType;
00108 
00110   typedef typename TOutputImage::PixelType PixelType;
00111 
00113   typedef typename InterpolatorType::Pointer             InterpolatorPointer;
00114   typedef typename InterpolatorType::ContinuousIndexType ContinuousIndexType;
00115 
00117   typedef Image< TCoordType, itkGetStaticConstMacro(ImageDimension) > CoordImageType;
00118 
00120   typedef ImageToImageFilterDetail::ImageRegionCopier< itkGetStaticConstMacro(ImageDimension),
00121                                                        itkGetStaticConstMacro(ImageDimension) > RegionCopierType;
00122 
00127   void SetInputImage(const TInputImage *inputImage);
00128 
00131   void SetInterpolationCoordinate(const CoordImageType *coordinate, unsigned int setDimension);
00132 
00134   itkSetMacro(DefaultPixelValue, PixelType);
00135 
00137   itkGetConstMacro(DefaultPixelValue, PixelType);
00138 
00140   InterpolatorPointer GetInterpolator()
00141   { return m_Interpolator; }
00142 
00145   void GenerateOutputInformation();
00146 
00148   void GenerateInputRequestedRegion();
00149 
00150 #ifdef ITK_USE_CONCEPT_CHECKING
00151 
00152   itkConceptMacro( InputHasNumericTraitsCheck,
00153                    ( Concept::HasNumericTraits< typename TInputImage::PixelType > ) );
00154 
00156 #endif
00157 protected:
00158   InterpolateImagePointsFilter();
00159   // ~InterpolateImagePointsFilter(){} default implemnetation ok
00160 
00161   void PrintSelf(std::ostream & os, Indent indent) const;
00162 
00168   void ThreadedGenerateData(const OutputImageRegionType & outputRegionForThread,
00169                             ThreadIdType threadId);
00170 
00171   void BeforeThreadedGenerateData();
00172 
00178   virtual void VerifyInputInformation() {}
00179 
00180 private:
00181 
00183   typedef typename CoordImageType::Pointer           CoordImageTypePointer;
00184   typedef ImageRegionConstIterator< CoordImageType > CoordImageIterator;
00185   typedef typename CoordImageType::RegionType        CoordImageRegionType;
00186 
00187   InterpolateImagePointsFilter(const Self &); //purposely not implemented
00188   void operator=(const Self &);               //purposely not implemented
00189 
00190   InterpolatorPointer m_Interpolator;
00191   PixelType           m_DefaultPixelValue;      // default pixel value if the
00192                                                 // point is outside the image
00193 };
00194 } // namespace itk
00195 
00196 #ifndef ITK_MANUAL_INSTANTIATION
00197 #include "itkInterpolateImagePointsFilter.hxx"
00198 #endif
00199 
00200 #endif
00201