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MarchingCasesB

VTKEx/Cxx/VisualizationAlgorithms/MarchingCasesB

Description¶

Marching cubes complementary cases.

The example runs the example MarchingCases with the arguments 6 -3 -6 -7 -10 -12 -13

Cases 3c, 6c, 7c, 10c, 12c and 13c are displayed.

Info

See Figure 6-10 in Chapter 6 the VTK Textbook.

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¶

MarchingCasesB.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(MarchingCasesB)

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 MarchingCasesB: ${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(MarchingCasesB MACOSX_BUNDLE MarchingCasesB.cxx )
  target_link_libraries(MarchingCasesB PRIVATE ${VTK_LIBRARIES})
else ()
  # include all components
  add_executable(MarchingCasesB MACOSX_BUNDLE MarchingCasesB.cxx )
  target_link_libraries(MarchingCasesB PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS MarchingCasesB
    MODULES ${VTK_LIBRARIES}
    )
endif ()

Download and Build MarchingCasesB¶

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

cd MarchingCasesB/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:

./MarchingCasesB

WINDOWS USERS

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