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XMLStructuredGridWriter

vtk-examples/Cxx/IO/XMLStructuredGridWriter

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Question

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Code

XMLStructuredGridWriter.cxx

#include <vtkNew.h>
#include <vtkPoints.h>
#include <vtkStructuredGrid.h>
#include <vtkXMLStructuredGridWriter.h>

int main(int, char*[])
{
  // Create a grid.
  vtkNew<vtkStructuredGrid> structuredGrid;

  vtkNew<vtkPoints> points;

  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.
  vtkNew<vtkXMLStructuredGridWriter> writer;
  writer->SetFileName("output.vts");
  writer->SetInputData(structuredGrid);
  writer->Write();

  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 3.12 FATAL_ERROR)

project(XMLStructuredGridWriter)

find_package(VTK COMPONENTS 
  CommonCore
  CommonDataModel
  IOXML
)

if (NOT VTK_FOUND)
  message(FATAL_ERROR "XMLStructuredGridWriter: 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(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}
)

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.