Arrow

import vtk.vtkActor;
import vtk.vtkArrowSource;
import vtk.vtkNamedColors;
import vtk.vtkNativeLibrary;
import vtk.vtkPolyDataMapper;
import vtk.vtkRenderWindow;
import vtk.vtkRenderWindowInteractor;
import vtk.vtkRenderer;

public class Arrow  
{
  // -----------------------------------------------------------------
  // 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 s[]) 
  {
    vtkNamedColors colors = new vtkNamedColors();


    //For Actor Color
    double actorColor[] = new double[4];
    //Renderer Background Color
    double Bgcolor[] = new double[4];


    colors.GetColor("Tomato", actorColor);
    colors.GetColor("DarkSeaGreen", Bgcolor);

    //Create a Arrow 
    vtkArrowSource ArrowSource = new vtkArrowSource();
    ArrowSource.Update();
    //Uncomment below lines to set properties
    //ArrowSource.SetShaftRadius(1.0);
    //ArrowSource.SetTipLength(1.0);

    //Create a Mapper and Actor
    vtkPolyDataMapper Mapper = new vtkPolyDataMapper();
    Mapper.SetInputConnection(ArrowSource.GetOutputPort());

    vtkActor Actor = new vtkActor();
    Actor.SetMapper(Mapper);
    Actor.GetProperty().SetColor(actorColor);

     // 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);

     // Visualise the arrow
     ren.AddActor(Actor);
     ren.SetBackground(Bgcolor);

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

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