XMLStructuredGridWriter

VTKEx/Cxx/IO/XMLStructuredGridWriter

Other languages

Question

If you have a simple question about this example contact us at VTKExProject If your question is more complex and may require extended discussion, please use the VTK Discourse Forum

Code¶

XMLStructuredGridWriter.cxx

#include <vtkCellArray.h>
#include <vtkPoints.h>
#include <vtkXMLStructuredGridWriter.h>
#include <vtkStructuredGrid.h>
#include <vtkSmartPointer.h>

int main ( int, char *[] )
{
   // Create a grid
  vtkSmartPointer<vtkStructuredGrid> structuredGrid =
    vtkSmartPointer<vtkStructuredGrid>::New();

  vtkSmartPointer<vtkPoints> points =
    vtkSmartPointer<vtkPoints>::New();

  points->InsertNextPoint(0, 0, 0);
  points->InsertNextPoint(1, 0, 0);
  points->InsertNextPoint(0, 1, 0);
  points->InsertNextPoint(1, 1, 0);
  points->InsertNextPoint(0, 2, 0);
  points->InsertNextPoint(1, 2, 1);

  // Specify the dimensions of the grid
  structuredGrid->SetDimensions(2,3,1);
  structuredGrid->SetPoints(points);

  // Write file
  vtkSmartPointer<vtkXMLStructuredGridWriter> writer =
    vtkSmartPointer<vtkXMLStructuredGridWriter>::New();
  writer->SetFileName("output.vts");
  writer->SetInputData(structuredGrid);
  writer->Write();

  return EXIT_SUCCESS;
}

CMakeLists.txt¶

cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(XMLStructuredGridWriter)

find_package(VTK COMPONENTS 
  vtkvtkCommonCore
  vtkvtkCommonDataModel
  vtkvtkIOXML QUIET)
if (NOT VTK_FOUND)
  message("Skipping XMLStructuredGridWriter: ${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(XMLStructuredGridWriter MACOSX_BUNDLE XMLStructuredGridWriter.cxx )
  target_link_libraries(XMLStructuredGridWriter PRIVATE ${VTK_LIBRARIES})
else ()
  # include all components
  add_executable(XMLStructuredGridWriter MACOSX_BUNDLE XMLStructuredGridWriter.cxx )
  target_link_libraries(XMLStructuredGridWriter PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS XMLStructuredGridWriter
    MODULES ${VTK_LIBRARIES}
    )
endif ()

Download and Build XMLStructuredGridWriter¶

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

cd XMLStructuredGridWriter/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:

./XMLStructuredGridWriter

WINDOWS USERS

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