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SimplePointsWriter

VTKEx/Cxx/IO/SimplePointsWriter

Description¶

Seealso

For the opposite operation (reading a points file) see the

SimplePointsReader example.

Other languages

See (Java)

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¶

SimplePointsWriter.cxx

#include <vtkSmartPointer.h>
#include <vtkSphereSource.h>
#include <vtkSimplePointsWriter.h>

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

  vtkSmartPointer<vtkSimplePointsWriter> writer =
    vtkSmartPointer<vtkSimplePointsWriter>::New();
  writer->SetFileName("test.xyz");
  writer->SetInputConnection(sphereSource->GetOutputPort());
  writer->Write();

  return EXIT_SUCCESS;
}

CMakeLists.txt¶

cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(SimplePointsWriter)

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

Download and Build SimplePointsWriter¶

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

cd SimplePointsWriter/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:

./SimplePointsWriter

WINDOWS USERS

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