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118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkVolumeReader.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkVolumeReader
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* @brief read image files
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*
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* vtkVolumeReader is a source object that reads image files.
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*
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* VolumeReader creates structured point datasets. The dimension of the
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* dataset depends upon the number of files read. Reading a single file
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* results in a 2D image, while reading more than one file results in a
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* 3D volume.
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*
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* File names are created using FilePattern and FilePrefix as follows:
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* snprintf (filename, sizeof(filename), FilePattern, FilePrefix, number);
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* where number is in the range ImageRange[0] to ImageRange[1]. If
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* ImageRange[1] <= ImageRange[0], then slice number ImageRange[0] is
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* read. Thus to read an image set ImageRange[0] = ImageRange[1] = slice
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* number. The default behavior is to read a single file (i.e., image slice 1).
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*
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* The DataMask instance variable is used to read data files with embedded
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* connectivity or segmentation information. For example, some data has
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* the high order bit set to indicate connected surface. The DataMask allows
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* you to select this data. Other important ivars include HeaderSize, which
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* allows you to skip over initial info, and SwapBytes, which turns on/off
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* byte swapping. Consider using vtkImageReader as a replacement.
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*
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* @sa
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* vtkSliceCubes vtkMarchingCubes vtkPNMReader vtkVolume16Reader
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* vtkImageReader
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*/
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#ifndef vtkVolumeReader_h
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#define vtkVolumeReader_h
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#include "vtkIOImageModule.h" // For export macro
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#include "vtkImageAlgorithm.h"
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class VTKIOIMAGE_EXPORT vtkVolumeReader : public vtkImageAlgorithm
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{
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public:
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vtkTypeMacro(vtkVolumeReader, vtkImageAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Specify file prefix for the image file(s).
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*/
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vtkSetStringMacro(FilePrefix);
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vtkGetStringMacro(FilePrefix);
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//@}
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//@{
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/**
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* The snprintf format used to build filename from FilePrefix and number.
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*/
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vtkSetStringMacro(FilePattern);
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vtkGetStringMacro(FilePattern);
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//@}
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//@{
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/**
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* Set the range of files to read.
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*/
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vtkSetVector2Macro(ImageRange, int);
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vtkGetVectorMacro(ImageRange, int, 2);
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//@}
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//@{
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/**
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* Specify the spacing for the data.
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*/
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vtkSetVector3Macro(DataSpacing, double);
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vtkGetVectorMacro(DataSpacing, double, 3);
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//@}
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//@{
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/**
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* Specify the origin for the data.
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*/
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vtkSetVector3Macro(DataOrigin, double);
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vtkGetVectorMacro(DataOrigin, double, 3);
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//@}
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/**
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* Other objects make use of this method.
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*/
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virtual vtkImageData* GetImage(int ImageNumber) = 0;
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protected:
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vtkVolumeReader();
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~vtkVolumeReader() override;
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char* FilePrefix;
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char* FilePattern;
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int ImageRange[2];
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double DataSpacing[3];
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double DataOrigin[3];
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private:
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vtkVolumeReader(const vtkVolumeReader&) = delete;
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void operator=(const vtkVolumeReader&) = delete;
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};
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#endif
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