vtkNIFTIImageReader.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkNIFTIImageReader.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/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 notice for more information.
 
=========================================================================*/
#ifndef vtkNIFTIImageReader_h
#define vtkNIFTIImageReader_h
 
#include "vtkIOImageModule.h" // For export macro
#include "vtkImageReader2.h"
 
class vtkNIFTIImageHeader;
class vtkMatrix4x4;
 
struct nifti_1_header;
 
//----------------------------------------------------------------------------
class VTKIOIMAGE_EXPORT vtkNIFTIImageReader : public vtkImageReader2
{
public:
 
  static vtkNIFTIImageReader *New();
  vtkTypeMacro(vtkNIFTIImageReader, vtkImageReader2);
 
  virtual void PrintSelf(ostream& os, vtkIndent indent);
 
 
  virtual const char* GetFileExtensions() {
    return ".nii .nii.gz .img .img.gz .hdr .hdr.gz"; }
 
 
  virtual const char* GetDescriptiveName() {
    return "NIfTI"; }
 
  int CanReadFile(const char* filename);
 
 
  vtkGetMacro(TimeAsVector, bool);
  vtkSetMacro(TimeAsVector, bool);
  vtkBooleanMacro(TimeAsVector, bool);
 
 
  int GetTimeDimension() { return this->Dim[4]; }
  double GetTimeSpacing() { return this->PixDim[4]; }
 
 
  double GetRescaleSlope() { return this->RescaleSlope; }
  double GetRescaleIntercept() { return this->RescaleIntercept; }
 
 
  vtkGetMacro(PlanarRGB, bool);
  vtkSetMacro(PlanarRGB, bool);
  vtkBooleanMacro(PlanarRGB, bool);
 
  double GetQFac() { return this->QFac; }
 
  vtkMatrix4x4 *GetQFormMatrix() { return this->QFormMatrix; }
 
  vtkMatrix4x4 *GetSFormMatrix() { return this->SFormMatrix; }
 
  vtkNIFTIImageHeader *GetNIFTIHeader();
 
protected:
  vtkNIFTIImageReader();
  ~vtkNIFTIImageReader();
 
 
  virtual int RequestInformation(
    vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector);
 
 
  virtual int RequestData(
    vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector);
 
  static bool CheckExtension(const char *fname, const char *ext);
 
 
  static char *ReplaceExtension(
    const char *fname, const char *ext1, const char *ext2);
 
  static int CheckNIFTIVersion(const nifti_1_header *hdr);
 
  static bool CheckAnalyzeHeader(const nifti_1_header *hdr);
 
  bool TimeAsVector;
 
 
  double RescaleIntercept;
  double RescaleSlope;
 
  double QFac;
 
 
  vtkMatrix4x4 *QFormMatrix;
  vtkMatrix4x4 *SFormMatrix;
 
  int Dim[8];
 
  double PixDim[8];
 
  vtkNIFTIImageHeader *NIFTIHeader;
 
  bool PlanarRGB;
 
private:
  vtkNIFTIImageReader(const vtkNIFTIImageReader&);  // Not implemented.
  void operator=(const vtkNIFTIImageReader&);  // Not implemented.
};
 
#endif // vtkNIFTIImageReader_h