Examples/Modelling: update to the new module system

Examples/CMakeLists.txt

@@ -38,6 +38,7 @@ else ()
   add_example(ImageProcessing/Cxx)
   add_example(Infovis/Cxx)
   add_example(Medical/Cxx)
+  add_example(Modelling/Cxx)
 endif ()
 
 if (FALSE)
@@ -51,7 +52,6 @@ else()
   else()
     if (vtkTestingCore_LOADED)
       if (NOT VTK_RENDERING_BACKEND STREQUAL "None")
-        add_subdirectory(Modelling/Cxx)
         add_subdirectory(MultiBlock/Cxx)
         add_subdirectory(VisualizationAlgorithms/Cxx)
         add_subdirectory(Widgets/Cxx)

Examples/Modelling/Cxx/CMakeLists.txt

 cmake_minimum_required(VERSION 3.3...3.12 FATAL_ERROR)
+project(Modelling)
 
-
-PROJECT (Modelling)
-find_package(VTK REQUIRED)
-vtk_module_config(VTK
-  vtkCommonCore
-  vtkCommonDataModel
-  vtkFiltersGeneral
-  vtkIOXML
-  vtkImagingHybrid
-  vtkInteractionStyle
-  vtkRenderingOpenGL2
-  vtkTestingRendering
-)
-include(${VTK_USE_FILE})
+find_package(VTK
+  COMPONENTS
+    CommonCore
+    FiltersGeneral
+    IOXML
+    ImagingHybrid
+    RenderingCore
+  OPTIONAL_COMPONENTS
+    TestingRendering)
+if (NOT VTK_FOUND)
+  message("Skipping example: ${VTK_NOT_FOUND_MESSAGE}")
+  return ()
+endif ()
 
 add_executable(finance MACOSX_BUNDLE finance.cxx)
-target_link_libraries(finance ${VTK_LIBRARIES})
+target_link_libraries(finance PRIVATE ${vtk_modules})
 
 add_executable(Delaunay3D MACOSX_BUNDLE Delaunay3D.cxx)
-target_link_libraries(Delaunay3D ${VTK_LIBRARIES})
+target_link_libraries(Delaunay3D PRIVATE ${vtk_modules})
 
 add_executable(Delaunay3DAlpha MACOSX_BUNDLE Delaunay3DAlpha.cxx)
-target_link_libraries(Delaunay3DAlpha ${VTK_LIBRARIES})
+target_link_libraries(Delaunay3DAlpha PRIVATE ${vtk_modules})
+
+vtk_module_autoinit(
+  TARGETS finance
+          Delaunay3D
+          Delaunay3DAlpha
+  MODULES ${vtk_modules})
 
-if(BUILD_TESTING)
-  if(vtkTestingRendering_LOADED)
-    ######## Regression Testing ########
-    set(vtk-example ModellingExamples)
-    set(TestFinance_ARGS "DATA{${VTK_TEST_INPUT_DIR}/financial.txt}")
-    set(TestDelaunay3D_ARGS
-      "DATA{${VTK_TEST_INPUT_DIR}/cow.vtp}"
-      ${_vtk_build_TEST_OUTPUT_DIRECTORY}/Delaunay3D.vtu
-      )
-    set(TestDelaunay3DAlpha_ARGS
-      .5 "DATA{${VTK_TEST_INPUT_DIR}/cow.vtp}"
-      ${_vtk_build_TEST_OUTPUT_DIRECTORY}/Delaunay3DAlpha.vtu
-      )
-    vtk_add_test_cxx(${vtk-example}CxxTests data_tests
-      TestFinance.cxx
-      )
-    vtk_add_test_cxx(${vtk-example}CxxTests tests
-      NO_DATA NO_VALID NO_OUTPUT
-      TestDelaunay3D.cxx
-      TestDelaunay3DAlpha.cxx
-      )
-    set(all_tests
-      ${data_tests}
-      ${tests}
-      )
-    vtk_test_cxx_executable(${vtk-example}CxxTests all_tests
-      RENDERING_FACTORY
-      )
-  endif()
-endif()
+if (TARGET VTK::TestingRendering)
+  add_subdirectory(Testing)
+endif ()