vtkSegYReader.h

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

  Program:   Visualization Toolkit
  Module:    vtkSegYReader.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 vtkSegYReader_h
#define vtkSegYReader_h

#include "vtkDataSetAlgorithm.h"

#include <vtkIOSegYModule.h> // For export macro

// Forward declarations
class vtkImageData;
class vtkSegYReaderInternal;

class VTKIOSEGY_EXPORT vtkSegYReader : public vtkDataSetAlgorithm
{
public:
  static vtkSegYReader* New();
  vtkTypeMacro(vtkSegYReader, vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  vtkSegYReader();
  ~vtkSegYReader() override;

  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);

  enum VTKSegYCoordinateModes
  {
    VTK_SEGY_SOURCE = 0, // default
    VTK_SEGY_CDP = 1,
    VTK_SEGY_CUSTOM = 2
  };


  vtkSetClampMacro(XYCoordMode, int, VTK_SEGY_SOURCE, VTK_SEGY_CUSTOM);
  vtkGetMacro(XYCoordMode, int);
  void SetXYCoordModeToSource();
  void SetXYCoordModeToCDP();
  void SetXYCoordModeToCustom();


  vtkSetMacro(XCoordByte, int);
  vtkGetMacro(XCoordByte, int);
  vtkSetMacro(YCoordByte, int);
  vtkGetMacro(YCoordByte, int);

  enum VTKSegYVerticalCRS
  {
    VTK_SEGY_VERTICAL_HEIGHTS = 0, // default
    VTK_SEGY_VERTICAL_DEPTHS
  };


  vtkSetMacro(VerticalCRS, int);
  vtkGetMacro(VerticalCRS, int);


  vtkSetMacro(StructuredGrid, int);
  vtkGetMacro(StructuredGrid, int);
  vtkBooleanMacro(StructuredGrid, int);

protected:
  int RequestData(vtkInformation* request,
                  vtkInformationVector** inputVector,
                  vtkInformationVector* outputVector) override;

  int RequestInformation(vtkInformation* request,
                         vtkInformationVector** inputVector,
                         vtkInformationVector* outputVector) override;
  int RequestDataObject(vtkInformation* request,
                        vtkInformationVector** inputVector,
                        vtkInformationVector* outputVector) override;

protected:
  vtkSegYReaderInternal* Reader;
  char *FileName;
  bool Is3D;
  double DataOrigin[3];
  double DataSpacing[3][3];
  int DataSpacingSign[3];
  int DataExtent[6];

  int XYCoordMode;
  int StructuredGrid;

  // Custom XY coordinate byte positions
  int XCoordByte;
  int YCoordByte;

  int VerticalCRS;


private:
  vtkSegYReader(const vtkSegYReader&) = delete;
  void operator=(const vtkSegYReader&) = delete;
};

#endif // vtkSegYReader_h