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/*=========================================================================
Program: Visualization Toolkit
Module: vtkStructuredPointsWriter.cxx
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.
=========================================================================*/
#include "vtkStructuredPointsWriter.h"
#include "vtkInformation.h"
#include "vtkObjectFactory.h"
#include "vtkStructuredPoints.h"
#if !defined(_WIN32) || defined(__CYGWIN__)
# include <unistd.h> /* unlink */
#else
# include <io.h> /* unlink */
#endif
vtkStandardNewMacro(vtkStructuredPointsWriter);
void vtkStructuredPointsWriter::WriteData()
{
ostream *fp;
vtkImageData *input= vtkImageData::SafeDownCast(this->GetInput());
int dim[3];
int *ext;
double spacing[3], origin[3];
vtkDebugMacro(<<"Writing vtk structured points...");
if ( !(fp=this->OpenVTKFile()) || !this->WriteHeader(fp) )
{
if (fp)
{
vtkErrorMacro("Ran out of disk space; deleting file: "
<< this->FileName);
this->CloseVTKFile(fp);
unlink(this->FileName);
}
return;
}
//
// Write structured points specific stuff
//
*fp << "DATASET STRUCTURED_POINTS\n";
// Write data owned by the dataset
if (!this->WriteDataSetData(fp, input))
{
vtkErrorMacro("Ran out of disk space; deleting file: " << this->FileName);
this->CloseVTKFile(fp);
unlink(this->FileName);
return;
}
input->GetDimensions(dim);
*fp << "DIMENSIONS " << dim[0] << " " << dim[1] << " " << dim[2] << "\n";
input->GetSpacing(spacing);
*fp << "SPACING " << spacing[0] << " " << spacing[1] << " " << spacing[2] << "\n";
input->GetOrigin(origin);
// Do the electric slide. Move origin to min corner of extent.
// The alternative is to change the format to include an extent instead of dimensions.
ext = input->GetExtent();
origin[0] += ext[0] * spacing[0];
origin[1] += ext[2] * spacing[1];
origin[2] += ext[4] * spacing[2];
*fp << "ORIGIN " << origin[0] << " " << origin[1] << " " << origin[2] << "\n";
if (!this->WriteCellData(fp, input))
{
vtkErrorMacro("Ran out of disk space; deleting file: " << this->FileName);
this->CloseVTKFile(fp);
unlink(this->FileName);
return;
}
if (!this->WritePointData(fp, input))
{
vtkErrorMacro("Ran out of disk space; deleting file: " << this->FileName);
this->CloseVTKFile(fp);
unlink(this->FileName);
return;
}
this->CloseVTKFile(fp);
}
int vtkStructuredPointsWriter::FillInputPortInformation(int,
vtkInformation *info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkImageData");
return 1;
}
vtkImageData* vtkStructuredPointsWriter::GetInput()
{
return vtkImageData::SafeDownCast(this->Superclass::GetInput());
}
vtkImageData* vtkStructuredPointsWriter::GetInput(int port)
{
return vtkImageData::SafeDownCast(this->Superclass::GetInput(port));
}
void vtkStructuredPointsWriter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
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