Disk

VTKExamples/Java/GeometricObjects/Disk


Description

vtkDiskSource objects creates a polygonal disk with a hole in the center.

The disk has zero height. The user can specify the inner and outer radius of the disk, and the radial and circumferential resolution of the polygonal representation.

Other Languages

See (Cxx), (Python), (CSharp)

Code

Disk.java

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

public class Disk  
{

  //-----------------------------------------------------------------
  //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("Gold", actorColor);
    colors.GetColor("Indigo", Bgcolor);
    //Create a Disk
    vtkDiskSource Disk = new vtkDiskSource();


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

    vtkActor Actor = new vtkActor();
    Actor.SetMapper(Mapper);
    Actor.GetProperty().SetColor(1.0, 1.0, 0.5);  

    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();
  }
}