Dodecahedron

#include <vtkActor.h>
#include <vtkCamera.h>
#include <vtkCellArray.h>
#include <vtkIdTypeArray.h>
#include <vtkLookupTable.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPoints.h>
#include <vtkPolyDataMapper.h>
#include <vtkPolyhedron.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkSmartPointer.h>

namespace {
vtkSmartPointer<vtkPolyhedron> MakeDodecahedron();
}

int main(int, char*[])
{
  vtkNew<vtkNamedColors> colors;

  auto dodecahedron = MakeDodecahedron();

  // Visualize
  vtkNew<vtkPolyDataMapper> mapper;
  mapper->SetInputData(dodecahedron->GetPolyData());

  vtkNew<vtkActor> actor;
  actor->SetMapper(mapper);
  actor->GetProperty()->SetColor(colors->GetColor3d("PapayaWhip").GetData());

  vtkNew<vtkRenderer> renderer;
  vtkNew<vtkRenderWindow> renderWindow;
  renderWindow->SetWindowName("Dodecahedron");
  renderWindow->AddRenderer(renderer);
  vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
  renderWindowInteractor->SetRenderWindow(renderWindow);

  renderer->AddActor(actor);
  renderer->SetBackground(colors->GetColor3d("CadetBlue").GetData());
  renderer->GetActiveCamera()->Azimuth(30);
  renderer->GetActiveCamera()->Elevation(30);

  renderer->ResetCamera();

  renderWindow->Render();
  renderWindowInteractor->Start();

  return EXIT_SUCCESS;
}

namespace {

vtkSmartPointer<vtkPolyhedron> MakeDodecahedron()
{
  vtkSmartPointer<vtkPolyhedron> aDodecahedron =
      vtkSmartPointer<vtkPolyhedron>::New();

  for (int i = 0; i < 20; ++i)
  {
    aDodecahedron->GetPointIds()->InsertNextId(i);
  }

  aDodecahedron->GetPoints()->InsertNextPoint(1.21412, 0, 1.58931);
  aDodecahedron->GetPoints()->InsertNextPoint(0.375185, 1.1547, 1.58931);
  aDodecahedron->GetPoints()->InsertNextPoint(-0.982247, 0.713644, 1.58931);
  aDodecahedron->GetPoints()->InsertNextPoint(-0.982247, -0.713644, 1.58931);
  aDodecahedron->GetPoints()->InsertNextPoint(0.375185, -1.1547, 1.58931);
  aDodecahedron->GetPoints()->InsertNextPoint(1.96449, 0, 0.375185);
  aDodecahedron->GetPoints()->InsertNextPoint(0.607062, 1.86835, 0.375185);
  aDodecahedron->GetPoints()->InsertNextPoint(-1.58931, 1.1547, 0.375185);
  aDodecahedron->GetPoints()->InsertNextPoint(-1.58931, -1.1547, 0.375185);
  aDodecahedron->GetPoints()->InsertNextPoint(0.607062, -1.86835, 0.375185);
  aDodecahedron->GetPoints()->InsertNextPoint(1.58931, 1.1547, -0.375185);
  aDodecahedron->GetPoints()->InsertNextPoint(-0.607062, 1.86835, -0.375185);
  aDodecahedron->GetPoints()->InsertNextPoint(-1.96449, 0, -0.375185);
  aDodecahedron->GetPoints()->InsertNextPoint(-0.607062, -1.86835, -0.375185);
  aDodecahedron->GetPoints()->InsertNextPoint(1.58931, -1.1547, -0.375185);
  aDodecahedron->GetPoints()->InsertNextPoint(0.982247, 0.713644, -1.58931);
  aDodecahedron->GetPoints()->InsertNextPoint(-0.375185, 1.1547, -1.58931);
  aDodecahedron->GetPoints()->InsertNextPoint(-1.21412, 0, -1.58931);
  aDodecahedron->GetPoints()->InsertNextPoint(-0.375185, -1.1547, -1.58931);
  aDodecahedron->GetPoints()->InsertNextPoint(0.982247, -0.713644, -1.58931);

  vtkIdType face_offsets[13] = {0,  5,  10, 15, 20, 25, 30,
                                35, 40, 45, 50, 55, 60};
  vtkIdType face_conns[60] = {
      0,  1,  2,  3,  4,  // ids
      0,  5,  10, 6,  1,  //
      1,  6,  11, 7,  2,  //
      2,  7,  12, 8,  3,  //
      3,  8,  13, 9,  4,  //
      4,  9,  14, 5,  0,  //
      15, 10, 5,  14, 19, //
      16, 11, 6,  10, 15, //
      17, 12, 7,  11, 16, //
      18, 13, 8,  12, 17, //
      19, 14, 9,  13, 18, //
      19, 18, 17, 16, 15  //
  };
  vtkNew<vtkCellArray> faces;
  vtkNew<vtkIdTypeArray> offsets_arr;
  vtkNew<vtkIdTypeArray> conns_arr;
  offsets_arr->SetArray(face_offsets, 13, 1);
  conns_arr->SetArray(face_conns, 60, 1);
  faces->SetData(offsets_arr, conns_arr);
  aDodecahedron->SetCellFaces(faces);
  aDodecahedron->Initialize();

  return aDodecahedron;
}
} // namespace

cmake_minimum_required(VERSION 3.12 FATAL_ERROR)

project(Dodecahedron)

find_package(VTK COMPONENTS 
  CommonColor
  CommonCore
  CommonDataModel
  InteractionStyle
  RenderingContextOpenGL2
  RenderingCore
  RenderingFreeType
  RenderingGL2PSOpenGL2
  RenderingOpenGL2
)

if (NOT VTK_FOUND)
  message(FATAL_ERROR "Dodecahedron: Unable to find the VTK build folder.")
endif()

# Prevent a "command line is too long" failure in Windows.
set(CMAKE_NINJA_FORCE_RESPONSE_FILE "ON" CACHE BOOL "Force Ninja to use response files.")
add_executable(Dodecahedron MACOSX_BUNDLE Dodecahedron.cxx )
  target_link_libraries(Dodecahedron PRIVATE ${VTK_LIBRARIES}
)
# vtk_module_autoinit is needed
vtk_module_autoinit(
  TARGETS Dodecahedron
  MODULES ${VTK_LIBRARIES}
)

cd Dodecahedron/build

cmake ..

cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

make

./Dodecahedron