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# MarchingCasesC

VTKEx/Cxx/VisualizationAlgorithms/MarchingCasesC

### Description

Marching cubes cases.

The example runs the example MarchingCases with the argument 1 3 1 0

Case 3 is rotated 90 degrees about the y-axis with no label.

Other languages

See (Python)

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

MarchingCasesC.cxx

    #include <vtkActor.h>
    #include <vtkCamera.h>
    #include <vtkContourFilter.h>
    #include <vtkCubeSource.h>
    #include <vtkExtractEdges.h>
    #include <vtkFloatArray.h>
    #include <vtkGlyph3D.h>
    #include <vtkIdList.h>
    #include <vtkNamedColors.h>
    #include <vtkPointData.h>
    #include <vtkPoints.h>
    #include <vtkPolyDataMapper.h>
    #include <vtkProperty.h>
    #include <vtkRenderWindow.h>
    #include <vtkRenderWindowInteractor.h>
    #include <vtkRenderer.h>
    #include <vtkShrinkPolyData.h>
    #include <vtkSphereSource.h>
    #include <vtkThresholdPoints.h>
    #include <vtkTransform.h>
    #include <vtkTransformPolyDataFilter.h>
    #include <vtkTubeFilter.h>
    #include <vtkUnstructuredGrid.h>
    #include <vtkVectorText.h>

    #include "MarchingCases.cxx"

### CMakeLists.txt

    cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

    project(MarchingCasesC)

    find_package(VTK COMPONENTS
      vtkvtkCommonColor
      vtkvtkCommonCore
      vtkvtkCommonDataModel
      vtkvtkCommonTransforms
      vtkvtkFiltersCore
      vtkvtkFiltersExtraction
      vtkvtkFiltersGeneral
      vtkvtkFiltersSources
      vtkvtkInteractionStyle
      vtkvtkRenderingContextOpenGL2
      vtkvtkRenderingCore
      vtkvtkRenderingFreeType
      vtkvtkRenderingGL2PSOpenGL2
      vtkvtkRenderingOpenGL2 QUIET)
    if (NOT VTK_FOUND)
      message("Skipping MarchingCasesC: ${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(MarchingCasesC MACOSX_BUNDLE MarchingCasesC.cxx )
      target_link_libraries(MarchingCasesC PRIVATE ${VTK_LIBRARIES})
    else ()
      # include all components
      add_executable(MarchingCasesC MACOSX_BUNDLE MarchingCasesC.cxx )
      target_link_libraries(MarchingCasesC PRIVATE ${VTK_LIBRARIES})
      # vtk_module_autoinit is needed
      vtk_module_autoinit(
        TARGETS MarchingCasesC
        MODULES ${VTK_LIBRARIES}
        )
    endif ()

### Download and Build MarchingCasesC

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

    cd MarchingCasesC/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:

    ./MarchingCasesC

WINDOWS USERS

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