/usr/include/vtk-6.3/vtkPNrrdReader.h is in libvtk6-dev 6.3.0+dfsg1-5.
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPNrrdReader.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) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
// .NAME vtkPNrrdReader - Read nrrd files efficiently from parallel file systems (and reasonably well elsewhere).
//
// .SECTION Description
//
// vtkPNrrdReader is a subclass of vtkNrrdReader that will read Nrrd format
// header information of the image before reading the data. This means that the
// reader will automatically set information like file dimensions.
//
// .SECTION Bugs
//
// There are several limitations on what type of nrrd files we can read. This
// reader only supports nrrd files in raw format. Other encodings like ascii
// and hex will result in errors. When reading in detached headers, this only
// supports reading one file that is detached.
//
#ifndef vtkPNrrdReader_h
#define vtkPNrrdReader_h
#include "vtkIOMPIImageModule.h" // For export macro
#include "vtkNrrdReader.h"
class vtkCharArray;
class vtkMultiProcessController;
class vtkMPIOpaqueFileHandle;
class VTKIOMPIIMAGE_EXPORT vtkPNrrdReader : public vtkNrrdReader
{
public:
vtkTypeMacro(vtkPNrrdReader, vtkNrrdReader);
static vtkPNrrdReader *New();
virtual void PrintSelf(ostream &os, vtkIndent indent);
// Description:
// Get/set the multi process controller to use for coordinated reads. By
// default, set to the global controller.
vtkGetObjectMacro(Controller, vtkMultiProcessController);
virtual void SetController(vtkMultiProcessController *);
protected:
vtkPNrrdReader();
~vtkPNrrdReader();
virtual int ReadHeader();
virtual int ReadHeader(vtkCharArray *headerBuffer);
// Description:
// Returns the size, in bytes of the scalar data type (GetDataScalarType).
int GetDataScalarTypeSize();
// Description:
// Break up the controller based on the files each process reads. Each group
// comprises the processes that read the same files in the same order.
// this->GroupedController is set to the group for the current process.
virtual void PartitionController(const int extent[6]);
// Description:
// Get the header size of the given open file. This should be used in liu of
// the GetHeaderSize methods of the superclass.
virtual unsigned long GetHeaderSize(vtkMPIOpaqueFileHandle &file);
// Description:
// Set up a "view" on the open file that will allow you to read the 2D or 3D
// subarray from the file in one read. Once you call this method, the file
// will look as if it contains only the data the local process needs to read
// in.
virtual void SetupFileView(vtkMPIOpaqueFileHandle &file, const int extent[6]);
// Description:
// Given a slice of the data, open the appropriate file, read the data into
// given buffer, and close the file. For three dimensional data, always
// use "slice" 0. Make sure the GroupedController is properly created before
// calling this using the PartitionController method.
virtual void ReadSlice(int slice, const int extent[6], void *buffer);
// Description:
// Transform the data from the order read from a file to the order to place
// in the output data (as defined by the transform).
virtual void TransformData(vtkImageData *data);
// Description:
// A group of processes that are reading the same file (as determined by
// PartitionController.
void SetGroupedController(vtkMultiProcessController *);
vtkMultiProcessController *GroupedController;
virtual void ExecuteDataWithInformation(vtkDataObject *data,
vtkInformation *outInfo);
vtkMultiProcessController *Controller;
private:
vtkPNrrdReader(const vtkPNrrdReader &); // Not implemented.
void operator=(const vtkPNrrdReader &); // Not implemented.
};
#endif //vtkPNrrdReader_h
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