# VertexGlyphFilter

VTKExamples/Java/Filtering/VertexGlyphFilter

### Description

This example creates a set of points and adds a vertex at each point using vtkVertexGlyphFilter.

Other Languages

See (Cxx), (Python)

### Code

VertexGlyphFilter.java

    import vtk.vtkRenderWindow;
    import vtk.vtkActor;
    import vtk.vtkNativeLibrary;
    import vtk.vtkPoints;
    import vtk.vtkPolyData;
    import vtk.vtkPolyDataMapper;
    import vtk.vtkNamedColors;
    import vtk.vtkRenderer;
    import vtk.vtkRenderWindowInteractor;
    import vtk.vtkVertexGlyphFilter;

    public class VertexGlyphFilter
    {

      //-----------------------------------------------------------------
      // 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];
        //Renderer Background Color
        double Bgcolor[] = new double[4];

        colors.GetColor("Black", actorColor);
        colors.GetColor("Gold", Bgcolor);

        vtkPoints Points = new vtkPoints();
        Points.InsertNextPoint(0.0, 0.0, 0.0);
        Points.InsertNextPoint(1.0, 1.0, 1.0);
        Points.InsertNextPoint(2.0, 2.0, 2.0);

        vtkPolyData PolyData = new vtkPolyData();
        PolyData.SetPoints(Points);

        vtkVertexGlyphFilter VGF = new vtkVertexGlyphFilter();
        VGF.AddInputData(PolyData);
        VGF.Update();

        //Create a Mapper and Actor
        vtkPolyDataMapper mapper = new vtkPolyDataMapper();
        mapper.SetInputConnection(VGF.GetOutputPort());
        vtkActor actor = new vtkActor();
        actor.SetMapper(mapper);
        actor.GetProperty().SetColor(actorColor);
        actor.GetProperty().SetPointSize(10);

        //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 actor
        ren.AddActor(actor);
        ren.SetBackground(Bgcolor);

        renWin.SetSize(300, 300);
        renWin.Render();

        iren.Initialize();
        iren.Start();
      }
    }