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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkTileImageFilter.h,v $
Language: C++
Date: $Date: 2006-04-03 15:07:52 $
Version: $Revision: 1.4 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkTileImageFilter_h
#define __itkTileImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkFixedArray.h"
namespace itk {
/** \class TileImageFilter
* \brief Tile multiple input images into a single output image.
*
* This filter will tile multiple images using a user-specified
* layout. The tile sizes will be large enough to accommodate the
* largest image for each tile. The layout is specified with the
* SetLayout method. The layout has the same dimension as the output
* image. If all entries of the layout are positive, the tiled output
* will contain the exact number of tiles. If the layout contains a 0
* in the last dimension, the filter will compute a size that will
* accommodate all of the images. Empty tiles are filled with the
* value specified with the SetDefault value method. The input images
* must have a dimension less than or equal to the output image. The
* output image have a larger dimension than the input images. This
* filter can be used to create a volume from a series of inputs by
* specifying a layout of 1,1,0.
*/
template<class TInputImage, class TOutputImage>
class ITK_EXPORT TileImageFilter :
public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
/** Standard Self typedef */
typedef TileImageFilter Self;
typedef ImageToImageFilter<TInputImage,TOutputImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(TileImageFilter, ImageToImageFilter);
/** Image pixel value typedef. */
typedef typename TInputImage::PixelType InputPixelType;
typedef typename TOutputImage::PixelType OutputPixelType;
/** Image related typedefs. */
typedef typename TInputImage::Pointer InputImagePointer;
typedef typename TOutputImage::Pointer OutputImagePointer;
typedef typename TInputImage::SizeType InputSizeType;
typedef typename TInputImage::IndexType InputIndexType;
typedef typename TInputImage::RegionType InputImageRegionType;
typedef typename TOutputImage::SizeType OutputSizeType;
typedef typename TOutputImage::IndexType OutputIndexType;
typedef typename TOutputImage::RegionType OutputImageRegionType;
/** Image related typedefs. */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension ) ;
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension ) ;
// Define a tile structure
class TileInfo {
public:
int m_ImageNumber;
OutputImageRegionType m_Region;
TileInfo() : m_ImageNumber(-1) {}
};
typedef Image<TileInfo,itkGetStaticConstMacro(OutputImageDimension)> TileImageType;
/** LayoutArray type. */
typedef FixedArray<unsigned int, itkGetStaticConstMacro(OutputImageDimension)> LayoutArrayType;
/** Set/Get the layout of the tiles. If the last Layout value is 0,
* the filter will compute a value that will acoomodate all of the
* images. */
itkSetMacro(Layout,LayoutArrayType);
itkGetMacro(Layout,LayoutArrayType);
/** Set the pixel value for locations that are not covered by an
* input image. The default default pixel value is Zero. */
itkSetMacro(DefaultPixelValue,OutputPixelType);
/** Get the pixel value for locations that are not covered by an
* input image. */
itkGetMacro(DefaultPixelValue,OutputPixelType);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(OutputEqualityComparableCheck,
(Concept::EqualityComparable<OutputPixelType>));
itkConceptMacro(SameTypeCheck,
(Concept::SameType<InputPixelType, OutputPixelType>));
itkConceptMacro(OutputOStreamWritableCheck,
(Concept::OStreamWritable<OutputPixelType>));
/** End concept checking */
#endif
protected:
TileImageFilter();
~TileImageFilter(){};
void PrintSelf(std::ostream& os, Indent indent) const;
void GenerateInputRequestedRegion();
void GenerateOutputInformation();
void GenerateData ();
private:
TileImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
typename TileImageType::Pointer m_TileImage;
OutputPixelType m_DefaultPixelValue;
LayoutArrayType m_Layout;
} ; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkTileImageFilter.txx"
#endif
#endif
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