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82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkSimplePointsWriter.cxx
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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 "vtkSimplePointsWriter.h"
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#include "vtkObjectFactory.h"
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#include "vtkPointSet.h"
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#include "vtkErrorCode.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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#include <iomanip>
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vtkStandardNewMacro(vtkSimplePointsWriter);
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vtkSimplePointsWriter::vtkSimplePointsWriter()
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{
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std::ofstream fout; // only used to extract the default precision
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this->DecimalPrecision = fout.precision();
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}
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void vtkSimplePointsWriter::WriteData()
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{
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vtkPointSet *input = vtkPointSet::SafeDownCast(this->GetInput());
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vtkIdType numberOfPoints = 0;
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if (input)
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{
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numberOfPoints = input->GetNumberOfPoints();
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}
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// OpenVTKFile() will report any errors that happen
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ostream *outfilep = this->OpenVTKFile();
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if (!outfilep)
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{
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return;
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}
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ostream &outfile = *outfilep;
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for(vtkIdType i = 0; i < numberOfPoints; i++)
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{
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double p[3];
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input->GetPoint(i,p);
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outfile << std::setprecision(this->DecimalPrecision)
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<< p[0] << " " << p[1] << " " << p[2] << std::endl;
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}
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// Close the file
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this->CloseVTKFile(outfilep);
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// Delete the file if an error occurred
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if (this->ErrorCode == vtkErrorCode::OutOfDiskSpaceError)
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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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unlink(this->FileName);
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}
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}
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void vtkSimplePointsWriter::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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os << indent << "DecimalPrecision: " << this->DecimalPrecision << "\n";
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}
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