Create CameraActor.java

Former-commit-id: ed068e3c

src/Java/Visualization/CameraActor.java

+import vtk.vtkActor;
+import vtk.vtkSphereSource;
+import vtk.vtkNativeLibrary;
+import vtk.vtkPolyDataMapper;
+import vtk.vtkCamera;
+import vtk.vtkCameraActor;
+import vtk.vtkRenderWindow;
+import vtk.vtkNamedColors;
+import vtk.vtkRenderer;
+import vtk.vtkRenderWindowInteractor;
+
+public class CameraActor
+{
+  // -----------------------------------------------------------------
+  // Load VTK library and print which library was not properly loaded
+  static 
+  {
+    if (!vtkNativeLibrary.LoadAllNativeLibraries()) 
+    {
+      for (vtkNativeLibrary lib : vtkNativeLibrary.values()) 
+      {
+        if (!lib.IsLoaded()) 
+        {
+          System.out.println(lib.GetLibraryName() + " not loaded");
+        }
+      }
+    }
+    vtkNativeLibrary.DisableOutputWindow(null);
+  }
+  // -----------------------------------------------------------------	
+
+  public static void main(String args[]) 
+  {
+    vtkNamedColors colors = new vtkNamedColors();
+
+    //For Actor Color
+    double actorColor[] = new double[4];
+    //For Camera Actor Color
+    double CamActorColor[] = new double[4];
+    //Renderer Background Color
+    double Bgcolor[] = new double[4];
+
+    colors.GetColor("DeepSkyBlue", actorColor);
+    colors.GetColor("Black", CamActorColor);
+    colors.GetColor("Coral", Bgcolor);
+
+
+    //Create a Sphere
+    vtkSphereSource Sphere = new vtkSphereSource();
+    Sphere.SetRadius(4);
+    Sphere.Update();
+
+    //Create a Mapper and Actor
+    vtkPolyDataMapper Mapper = new vtkPolyDataMapper();
+    Mapper.SetInputConnection(Sphere.GetOutputPort());
+
+    vtkActor Actor = new vtkActor();
+    Actor.SetMapper(Mapper);
+    Actor.GetProperty().SetColor(actorColor);
+
+    //Setting up Camera
+    vtkCamera Camera = new vtkCamera();
+
+    //Camera Actor
+    vtkCameraActor CameraActor = new vtkCameraActor();
+    CameraActor.SetCamera(Camera);
+    CameraActor.GetProperty().SetColor(CamActorColor);
+    double bounds[] = new double[6];
+    CameraActor.GetBounds(bounds);
+
+
+    // Create the renderer, render window and interactor.
+    vtkRenderer ren = new vtkRenderer();
+    vtkRenderWindow renWin = new vtkRenderWindow();
+    renWin.AddRenderer(ren);
+    vtkRenderWindowInteractor iren = new vtkRenderWindowInteractor();
+    iren.SetRenderWindow(renWin);
+
+    // Visualize the Camera Actor
+    ren.AddActor(Actor);
+    ren.ResetCamera();
+    Camera.DeepCopy(ren.GetActiveCamera());
+    ren.AddActor(CameraActor);
+
+    //Setting up Camera
+
+    //ren.GetActiveCamera().SetPosition(0, 0, 1);
+    //ren.GetActiveCamera().SetFocalPoint(0, 0, 0);
+    ren.GetActiveCamera().SetViewUp(1, 0, 0);
+    ren.GetActiveCamera().Azimuth(130);
+    ren.GetActiveCamera().Elevation(130);
+    //ren.GetActiveCamera().Zoom(1);
+
+    //Setting up the Renderer Background Color.
+    ren.SetBackground(Bgcolor);
+
+    renWin.SetSize(300, 300);
+    renWin.Render();
+
+    iren.Initialize();
+    iren.Start();
+  }
+}