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 3.3 FATAL_ERROR)

project(XMLPUnstructuredGridWriter)

find_package(VTK COMPONENTS 
  vtkCommonCore
  vtkFiltersCore
  vtkFiltersSources
  vtkIOParallelXML QUIET)
if (NOT VTK_FOUND)
  message("Skipping XMLPUnstructuredGridWriter: ${VTK_NOT_FOUND_MESSAGE}")
  return ()
endif()
message (STATUS "VTK_VERSION: ${VTK_VERSION}")
if (VTK_VERSION VERSION_LESS "8.90.0")
  # old system
  include(${VTK_USE_FILE})
  add_executable(XMLPUnstructuredGridWriter MACOSX_BUNDLE XMLPUnstructuredGridWriter.cxx )
  target_link_libraries(XMLPUnstructuredGridWriter PRIVATE ${VTK_LIBRARIES})
else ()
  # include all components
  add_executable(XMLPUnstructuredGridWriter MACOSX_BUNDLE XMLPUnstructuredGridWriter.cxx )
  target_link_libraries(XMLPUnstructuredGridWriter PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS XMLPUnstructuredGridWriter
    MODULES ${VTK_LIBRARIES}
    )
endif () 

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

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