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# MatlabEngineFilter

VTKEx/Cxx/Matlab/MatlabEngineFilter

### Description

This example currently does nothing.

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

MatlabEngineFilter.cxx

    //need to set VTK_USE_MATLAB_MEX ON

    #include <vtkSmartPointer.h>
    #include <vtkMatlabEngineFilter.h>

    int main(int argc, char *argv[])
    {
      vtkSmartPointer<vtkMatlabEngineFilter> matlabFilter =
          vtkSmartPointer<vtkMatlabEngineFilter>::New();

      return EXIT_SUCCESS;
    }

### CMakeLists.txt

    cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

    project(MatlabEngineFilter)

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

### Download and Build MatlabEngineFilter

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

    cd MatlabEngineFilter/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:

    ./MatlabEngineFilter

WINDOWS USERS

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