Fix crash in GeometryTransforExample

Fix missing material in the same example
Arrange objects so they are all visible

Examples/GeometryTransforms/GeometryTransformsExample.cpp

@@ -49,6 +49,7 @@ main()
 
     imstkNew<Scene> scene("GeometryTransforms");
 
+
     auto sceneObj = apiutils::createAndAddVisualSceneObject(scene, iMSTK_DATA_ROOT "/asianDragon/asianDragon.obj", "Dragon");
 
     CHECK(sceneObj != nullptr) << "ERROR: Unable to create scene object";
@@ -70,17 +71,17 @@ main()
     planeVisualModel->setRenderMaterial(planeMaterial);
 
     imstkNew<VisualObject> planeObj("Plane");
-    //planeObj->setVisualGeometry(planeGeom);
+    planeObj->setVisualGeometry(planeGeom);
     planeObj->addVisualModel(planeVisualModel);
     scene->addSceneObject(planeObj);
 
     //  Cube
     imstkNew<Cube> cubeGeom;
-    cubeGeom->setWidth(20.0);
+    cubeGeom->setWidth(10.0);
     cubeGeom->scale(0.5, Geometry::TransformType::ConcatenateToTransform);
     cubeGeom->rotate(Vec3d(1.0, 1.0, 0.0), PI_4, Geometry::TransformType::ApplyToData);
+    cubeGeom->translate(Vec3d(0.0, 0.0, 10.0));
 
-    auto                     materialCube = std::make_shared<RenderMaterial>();
     imstkNew<RenderMaterial> cubeMaterial;
     cubeMaterial->setColor(Color::Red);
     cubeMaterial->setDisplayMode(RenderMaterial::DisplayMode::WireframeSurface);
@@ -96,9 +97,10 @@ main()
     //  Cylinder
     imstkNew<Cylinder> cylinderGeom;
     cylinderGeom->setRadius(4.0);
-    cylinderGeom->setLength(8.0);
+    cylinderGeom->setLength(12.0);
     cylinderGeom->scale(0.4, Geometry::TransformType::ConcatenateToTransform);
     cylinderGeom->rotate(Vec3d(1.0, 1.0, 0), PI_2, Geometry::TransformType::ApplyToData);
+    cylinderGeom->translate(Vec3d(0.0, 0.0, -10.0));
 
     imstkNew<RenderMaterial> cylMaterial;
     cylMaterial->setColor(Color::Red);
@@ -106,7 +108,7 @@ main()
     cylMaterial->setPointSize(6.0);
     cylMaterial->setLineWidth(4.0);
     imstkNew<VisualModel> cylVisualModel(cylinderGeom.get());
-    cylVisualModel->setRenderMaterial(materialCube);
+    cylVisualModel->setRenderMaterial(cylMaterial);
 
     imstkNew<VisualObject> cylObj("Cylinder");
     cylObj->addVisualModel(cylVisualModel);
@@ -136,7 +138,7 @@ main()
         connect<Event>(sceneManager, EventType::PostUpdate,
             [&](Event*)
         {
-            surfaceMesh->rotate(Vec3d(1.0, 0.0, 0.0), PI * scene->getElapsedTime(), Geometry::TransformType::ApplyToData);
+           // surfaceMesh->rotate(Vec3d(1.0, 0.0, 0.0), PI * scene->getElapsedTime(), Geometry::TransformType::ApplyToData);
             });
 
         // Add mouse and keyboard controls to the viewer

Source/Rendering/VTKRenderer/RenderDelegate/imstkVTKCylinderRenderDelegate.cpp

@@ -34,16 +34,15 @@ VTKCylinderRenderDelegate::VTKCylinderRenderDelegate(std::shared_ptr<VisualModel
 {
     auto geometry = std::static_pointer_cast<Cylinder>(visualModel->getGeometry());
 
-    cylinderSource = vtkSmartPointer<vtkCylinderSource>();
-    cylinderSource->SetCenter(0.0, 0.0, 0.0);
-    cylinderSource->SetRadius(1.0);
-    cylinderSource->SetHeight(geometry->getLength());
-    cylinderSource->SetResolution(100);
+    m_cylinderSource->SetCenter(0.0, 0.0, 0.0);
+    m_cylinderSource->SetRadius(1.0);
+    m_cylinderSource->SetHeight(geometry->getLength());
+    m_cylinderSource->SetResolution(100);
 
     // Setup mapper
     {
         vtkNew<vtkPolyDataMapper> mapper;
-        mapper->SetInputConnection(cylinderSource->GetOutputPort());
+        mapper->SetInputConnection(m_cylinderSource->GetOutputPort());
         vtkNew<vtkActor> actor;
         actor->SetMapper(mapper);
         actor->SetUserTransform(m_transform);
@@ -62,8 +61,8 @@ VTKCylinderRenderDelegate::processEvents()
 
     auto geometry = std::static_pointer_cast<Cylinder>(m_visualModel->getGeometry());
 
-    cylinderSource->SetRadius(geometry->getRadius());
-    cylinderSource->SetHeight(geometry->getLength());
+    m_cylinderSource->SetRadius(geometry->getRadius());
+    m_cylinderSource->SetHeight(geometry->getLength());
 
     AffineTransform3d T = AffineTransform3d::Identity();
     T.translate(geometry->getPosition(Geometry::DataType::PostTransform));

Source/Rendering/VTKRenderer/RenderDelegate/imstkVTKCylinderRenderDelegate.h

@@ -49,8 +49,7 @@ public:
     /// \brief Process the event queue
     ///
     void processEvents() override;
-
 protected:
-    vtkSmartPointer<vtkCylinderSource> cylinderSource;
+    vtkNew<vtkCylinderSource> m_cylinderSource;
 };
 } // imstk