vtkMINCImageReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright (c) 2006 Atamai, Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkMINCImageReader_h
#define vtkMINCImageReader_h
 
#include "vtkIOMINCModule.h" // For export macro
#include "vtkImageReader2.h"
 
VTK_ABI_NAMESPACE_BEGIN
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(VTK_FILEPATH const char* name) override;
 
  const char* GetFileExtensions() override { return ".mnc"; }
 
  const char* GetDescriptiveName() override { return "MINC"; }
 
  int CanReadFile(VTK_FILEPATH 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;
};
 
VTK_ABI_NAMESPACE_END
#endif