Skip to content

XMLPUnstructuredGridWriter

vtk-examples/Cxx/IO/XMLPUnstructuredGridWriter

Other languages

See (Java)

Question

If you have a question about this example, please use the VTK Discourse Forum

Code

XMLPUnstructuredGridWriter.cxx

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

int main(int, char *[])
{
  vtkNew<vtkSphereSource> sphereSource;
  sphereSource->Update();

  vtkNew<vtkDelaunay3D> delaunay;
  delaunay->SetInputConnection(sphereSource->GetOutputPort());
  delaunay->Update();

  vtkNew<vtkXMLPUnstructuredGridWriter> writer;
  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 3.12 FATAL_ERROR)

project(XMLPUnstructuredGridWriter)

find_package(VTK COMPONENTS 
  CommonCore
  FiltersCore
  FiltersSources
  IOParallelXML
)

if (NOT VTK_FOUND)
  message(FATAL_ERROR "XMLPUnstructuredGridWriter: Unable to find the VTK build folder.")
endif()

# Prevent a "command line is too long" failure in Windows.
set(CMAKE_NINJA_FORCE_RESPONSE_FILE "ON" CACHE BOOL "Force Ninja to use response files.")
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}
)

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.