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| WARNING: This is a temporary example, intended to illustrate an issue [1] being discussed on the ITK mailing list. The example will be revised or removed when the issue is resolved.
| | {{warning|1=The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.}} |
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| [1] http://itk-insight-users.2283740.n2.nabble.com/Do-any-of-the-mesh-file-formats-store-CellData-td7587666.html
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| Contributed by: Davis Vigneault
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| ==PointAndCellData.cxx==
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| <source lang="cpp">
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| #include "itkMesh.h"
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| #include "itkRegularSphereMeshSource.h"
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| #include "itkMeshFileWriter.h"
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| const unsigned int Dimension = 3;
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| typedef float TCoordinate;
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| typedef itk::Mesh< TCoordinate, Dimension > TMesh;
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| typedef itk::RegularSphereMeshSource< TMesh > TSphere;
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| typedef itk::MeshFileWriter< TMesh > TMeshWriter;
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| int main()
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| {
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| TSphere::Pointer sphere = TSphere::New();
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| sphere->Update();
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| TMesh::Pointer mesh = sphere->GetOutput();
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| double value = 10;
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| for (unsigned int i = 0; i < mesh->GetNumberOfCells(); ++i)
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| mesh->SetCellData( i, value );
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| for (unsigned int i = 0; i < mesh->GetNumberOfPoints(); ++i)
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| mesh->SetPointData( i, value );
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| std::cout << mesh->GetNumberOfCells() << std::endl; // 128
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| std::cout << mesh->GetCellData() << std::endl; // A pointer
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| std::cout << mesh->GetCellData()->Size() << std::endl << std::endl; // 128
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| std::cout << mesh->GetNumberOfPoints() << std::endl; // 66
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| std::cout << mesh->GetPointData() << std::endl; // Another pointer
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| std::cout << mesh->GetPointData()->Size() << std::endl << std::endl; // 66
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| TMeshWriter::Pointer meshWriter = TMeshWriter::New();
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| meshWriter->SetFileName( "mesh.vtk" );
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| meshWriter->SetInput( mesh );
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| meshWriter->Update();
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| std::cout << mesh->GetNumberOfCells() << std::endl; // 128
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| std::cout << mesh->GetCellData() << std::endl; // Different Pointer
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| std::cout << mesh->GetCellData()->Size() << std::endl << std::endl; // 0
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| std::cout << mesh->GetNumberOfPoints() << std::endl; // 66
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| std::cout << mesh->GetPointData() << std::endl; // Different pointer
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| std::cout << mesh->GetPointData()->Size() << std::endl << std::endl; // 0
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| return EXIT_SUCCESS;
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| }
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| </source>
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| {{ITKCMakeLists|{{SUBPAGENAME}}}}
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