Method BuildModelVTKGeometry

IO/Geometry/vtkGLTFDocumentLoader.cxx:1626–1661

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
bool vtkGLTFDocumentLoader::BuildModelVTKGeometry()
{
  if (this->InternalModel == nullptr)
  {
    vtkErrorMacro("Error building model data: metadata was not loaded");
    return false;
  }

  // Build poly data
  for (Mesh& mesh : this->InternalModel->Meshes)
  {
    for (Primitive& primitive : mesh.Primitives)
    {
      if (!this->BuildPolyDataFromPrimitive(primitive))
      {
        vtkErrorMacro("Error building poly data for primitives");
        return false;
      }
    }
  }
  // Compute global transforms
  for (const auto& scene : this->InternalModel->Scenes)
  {
    for (unsigned int node : scene.Nodes)
    {
      this->BuildGlobalTransforms(node, nullptr);
    }
  }
  // Build armatures
  for (Skin& skin : this->InternalModel->Skins)
  {
    this->BuildPolyDataFromSkin(skin);
  }

  return true;
}

//------------------------------------------------------------------------------
void vtkGLTFDocumentLoader::BuildGlobalTransforms(