vtkMINCImageReader.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkMINCImageReader.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.

=========================================================================*/
/*=========================================================================

Copyright (c) 2006 Atamai, Inc.

Use, modification and redistribution of the software, in source or
binary forms, are permitted provided that the following terms and
conditions are met:

1) Redistribution of the source code, in verbatim or modified
   form, must retain the above copyright notice, this license,
   the following disclaimer, and any notices that refer to this
   license and/or the following disclaimer.

2) Redistribution in binary form must include the above copyright
   notice, a copy of this license and the following disclaimer
   in the documentation or with other materials provided with the
   distribution.

3) Modified copies of the source code must be clearly marked as such,
   and must not be misrepresented as verbatim copies of the source code.

THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS"
WITHOUT EXPRESSED OR IMPLIED WARRANTY INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.  IN NO EVENT SHALL ANY COPYRIGHT HOLDER OR OTHER PARTY WHO MAY
MODIFY AND/OR REDISTRIBUTE THE SOFTWARE UNDER THE TERMS OF THIS LICENSE
BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, LOSS OF DATA OR DATA BECOMING INACCURATE
OR LOSS OF PROFIT OR BUSINESS INTERRUPTION) ARISING IN ANY WAY OUT OF
THE USE OR INABILITY TO USE THE SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.

=========================================================================*/
#ifndef vtkMINCImageReader_h
#define vtkMINCImageReader_h

#include "vtkIOMINCModule.h" // For export macro
#include "vtkImageReader2.h"

class vtkStringArray;
class vtkIdTypeArray;
class vtkDoubleArray;
class vtkMatrix4x4;

// A special class that holds the attributes
class vtkMINCImageAttributes;

class VTKIOMINC_EXPORT vtkMINCImageReader : public vtkImageReader2
{
public:
  vtkTypeMacro(vtkMINCImageReader,vtkImageReader2);

  static vtkMINCImageReader *New();
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void SetFileName(const char *name) override;

  const char* GetFileExtensions() override {
    return ".mnc"; }

  const char* GetDescriptiveName() override {
    return "MINC"; }

  int CanReadFile(const char* name) override;

  virtual vtkMatrix4x4 *GetDirectionCosines();


  virtual double GetRescaleSlope();
  virtual double GetRescaleIntercept();


  vtkSetMacro(RescaleRealValues, vtkTypeBool);
  vtkBooleanMacro(RescaleRealValues, vtkTypeBool);
  vtkGetMacro(RescaleRealValues, vtkTypeBool);


  virtual double *GetDataRange() VTK_SIZEHINT(2);
  virtual void GetDataRange(double range[2]) {
    double *r = this->GetDataRange();
    range[0] = r[0]; range[1] = r[1]; };

  virtual int GetNumberOfTimeSteps();


  vtkSetMacro(TimeStep, int);
  vtkGetMacro(TimeStep, int);

  virtual vtkMINCImageAttributes *GetImageAttributes();

protected:
  vtkMINCImageReader();
  ~vtkMINCImageReader() override;

  int MINCImageType;
  int MINCImageTypeSigned;

  double ValidRange[2];
  double ImageRange[2];
  double DataRange[2];

  int NumberOfTimeSteps;
  int TimeStep;
  vtkMatrix4x4 *DirectionCosines;
  double RescaleSlope;
  double RescaleIntercept;
  vtkTypeBool RescaleRealValues;
  vtkMINCImageAttributes *ImageAttributes;

  int FileNameHasChanged;

  virtual int OpenNetCDFFile(const char *filename, int& ncid);
  virtual int CloseNetCDFFile(int ncid);
  virtual int IndexFromDimensionName(const char *dimName);
  virtual int ReadMINCFileAttributes();
  virtual void FindRangeAndRescaleValues();
  static int ConvertMINCTypeToVTKType(int minctype, int mincsigned);

  void ExecuteInformation() override;
  void ExecuteDataWithInformation(vtkDataObject *out, vtkInformation *outInfo) override;

private:
  vtkMINCImageReader(const vtkMINCImageReader&) = delete;
  void operator=(const vtkMINCImageReader&) = delete;

};

#endif