# XMLPUnstructuredGridWriter

VTKExamples/Cxx/IO/XMLPUnstructuredGridWriter

### Code

XMLPUnstructuredGridWriter.cxx

    #include <vtkDelaunay3D.h>
    #include <vtkSmartPointer.h>
    #include <vtkSphereSource.h>
    #include <vtkXMLPUnstructuredGridWriter.h>

    int main(int, char *[])
    {
      vtkSmartPointer<vtkSphereSource> sphereSource =
        vtkSmartPointer<vtkSphereSource>::New();
      sphereSource->Update();

      vtkSmartPointer<vtkDelaunay3D> delaunay =
        vtkSmartPointer<vtkDelaunay3D>::New();
      delaunay->SetInputConnection(sphereSource->GetOutputPort());
      delaunay->Update();

      vtkSmartPointer<vtkXMLPUnstructuredGridWriter> writer =
        vtkSmartPointer<vtkXMLPUnstructuredGridWriter>::New();
      writer->SetInputConnection(delaunay->GetOutputPort());
      writer->SetFileName("Test.pvtu");
      writer->SetNumberOfPieces(4);
      writer->SetStartPiece(0);
      writer->SetEndPiece(3);
      writer->Update();

      return EXIT_SUCCESS;
    }

### CMakeLists.txt

    cmake_minimum_required(VERSION 2.8)

    PROJECT(XMLPUnstructuredGridWriter)

    find_package(VTK REQUIRED)
    include(${VTK_USE_FILE})

    add_executable(XMLPUnstructuredGridWriter MACOSX_BUNDLE XMLPUnstructuredGridWriter.cxx )

    target_link_libraries(XMLPUnstructuredGridWriter ${VTK_LIBRARIES})

### Download and Build XMLPUnstructuredGridWriter

Click here to download XMLPUnstructuredGridWriter and its CMakeLists.txt file. Once the tarball XMLPUnstructuredGridWriter.tar has been downloaded and extracted,

    cd XMLPUnstructuredGridWriter/build

If VTK is installed:

    cmake ..

If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:

    cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

Build the project:

    make

and run it:

    ./XMLPUnstructuredGridWriter

WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.