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119 lines
3.4 KiB
119 lines
3.4 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkStructuredPointsWriter.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkStructuredPointsWriter.h"
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#include "vtkInformation.h"
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#include "vtkObjectFactory.h"
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#include "vtkStructuredPoints.h"
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#if !defined(_WIN32) || defined(__CYGWIN__)
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# include <unistd.h> /* unlink */
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#else
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# include <io.h> /* unlink */
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#endif
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vtkCxxRevisionMacro(vtkStructuredPointsWriter, "$Revision: 1.42 $");
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vtkStandardNewMacro(vtkStructuredPointsWriter);
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void vtkStructuredPointsWriter::WriteData()
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{
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ostream *fp;
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vtkImageData *input= vtkImageData::SafeDownCast(this->GetInput());
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int dim[3];
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int *ext;
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double spacing[3], origin[3];
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vtkDebugMacro(<<"Writing vtk structured points...");
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if ( !(fp=this->OpenVTKFile()) || !this->WriteHeader(fp) )
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{
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if (fp)
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{
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vtkErrorMacro("Ran out of disk space; deleting file: "
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<< this->FileName);
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this->CloseVTKFile(fp);
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unlink(this->FileName);
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}
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return;
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}
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//
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// Write structured points specific stuff
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//
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*fp << "DATASET STRUCTURED_POINTS\n";
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// Write data owned by the dataset
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if (!this->WriteDataSetData(fp, input))
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{
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vtkErrorMacro("Ran out of disk space; deleting file: " << this->FileName);
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this->CloseVTKFile(fp);
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unlink(this->FileName);
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return;
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}
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input->GetDimensions(dim);
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*fp << "DIMENSIONS " << dim[0] << " " << dim[1] << " " << dim[2] << "\n";
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input->GetSpacing(spacing);
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*fp << "SPACING " << spacing[0] << " " << spacing[1] << " " << spacing[2] << "\n";
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input->GetOrigin(origin);
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// Do the electric slide. Move origin to min corner of extent.
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// The alternative is to change the format to include an extent instead of dimensions.
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ext = input->GetExtent();
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origin[0] += ext[0] * spacing[0];
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origin[1] += ext[2] * spacing[1];
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origin[2] += ext[4] * spacing[2];
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*fp << "ORIGIN " << origin[0] << " " << origin[1] << " " << origin[2] << "\n";
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if (!this->WriteCellData(fp, input))
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{
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vtkErrorMacro("Ran out of disk space; deleting file: " << this->FileName);
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this->CloseVTKFile(fp);
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unlink(this->FileName);
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return;
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}
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if (!this->WritePointData(fp, input))
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{
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vtkErrorMacro("Ran out of disk space; deleting file: " << this->FileName);
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this->CloseVTKFile(fp);
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unlink(this->FileName);
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return;
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}
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this->CloseVTKFile(fp);
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}
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int vtkStructuredPointsWriter::FillInputPortInformation(int,
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vtkInformation *info)
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{
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info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkImageData");
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return 1;
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}
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vtkImageData* vtkStructuredPointsWriter::GetInput()
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{
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return vtkImageData::SafeDownCast(this->Superclass::GetInput());
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}
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vtkImageData* vtkStructuredPointsWriter::GetInput(int port)
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{
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return vtkImageData::SafeDownCast(this->Superclass::GetInput(port));
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}
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void vtkStructuredPointsWriter::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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}
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