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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkUnstructuredGridWriter.cxx,v $
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 "vtkUnstructuredGridWriter.h"
#include "vtkByteSwap.h"
#include "vtkCellArray.h"
#include "vtkInformation.h"
#include "vtkObjectFactory.h"
#include "vtkUnstructuredGrid.h"
#if !defined(_WIN32) || defined(__CYGWIN__)
# include <unistd.h> /* unlink */
#else
# include <io.h> /* unlink */
#endif
vtkCxxRevisionMacro(vtkUnstructuredGridWriter, "$Revision: 1.43 $");
vtkStandardNewMacro(vtkUnstructuredGridWriter);
void vtkUnstructuredGridWriter::WriteData()
{
ostream *fp;
vtkUnstructuredGrid *input= vtkUnstructuredGrid::SafeDownCast(
this->GetInput());
int *types, ncells, cellId;
vtkDebugMacro(<<"Writing vtk unstructured grid data...");
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 unstructured grid specific stuff
//
*fp << "DATASET UNSTRUCTURED_GRID\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;
}
if (!this->WritePoints(fp, input->GetPoints()))
{
vtkErrorMacro("Ran out of disk space; deleting file: " << this->FileName);
this->CloseVTKFile(fp);
unlink(this->FileName);
return;
}
if (!this->WriteCells(fp, input->GetCells(),"CELLS"))
{
vtkErrorMacro("Ran out of disk space; deleting file: " << this->FileName);
this->CloseVTKFile(fp);
unlink(this->FileName);
return;
}
//
// Cell types are a little more work
//
if ( input->GetCells() )
{
ncells = input->GetCells()->GetNumberOfCells();
types = new int[ncells];
for (cellId=0; cellId < ncells; cellId++)
{
types[cellId] = input->GetCellType(cellId);
}
*fp << "CELL_TYPES " << ncells << "\n";
if ( this->FileType == VTK_ASCII )
{
for (cellId=0; cellId<ncells; cellId++)
{
*fp << types[cellId] << "\n";
}
}
else
{
// swap the bytes if necc
vtkByteSwap::SwapWrite4BERange(types,ncells,fp);
}
*fp << "\n";
delete [] types;
}
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 vtkUnstructuredGridWriter::FillInputPortInformation(int,
vtkInformation *info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkUnstructuredGrid");
return 1;
}
vtkUnstructuredGrid* vtkUnstructuredGridWriter::GetInput()
{
return vtkUnstructuredGrid::SafeDownCast(this->Superclass::GetInput());
}
vtkUnstructuredGrid* vtkUnstructuredGridWriter::GetInput(int port)
{
return vtkUnstructuredGrid::SafeDownCast(this->Superclass::GetInput(port));
}
void vtkUnstructuredGridWriter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
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