RubberBandPick

VTKExamples/Java/Interaction/RubberBandPick

Description¶

vtkInteractorStyleRubberBandPick object allows the user to draw a rectangle in the render window by hitting 'r' and then using the left mouse button. When the mouse button is released, the attached picker operates on the pixel in the center of the selection rectangle.

Other Languages

See (Cxx)

Question

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Code¶

RubberBandPick.java

import vtk.vtkActor;
import vtk.vtkNamedColors;
import vtk.vtkNativeLibrary;
import vtk.vtkPolyDataMapper;
import vtk.vtkRenderWindow;
import vtk.vtkRenderWindowInteractor;
import vtk.vtkRenderer;
import vtk.vtkSphereSource;
import vtk.vtkInteractorStyleRubberBandPick;

public class RubberBandPick 
{
  // -----------------------------------------------------------------
  // 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();

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

    colors.GetColor("White", Bgcolor);

    vtkSphereSource Sphere = new vtkSphereSource();
    Sphere.Update();

    // Create a mapper
    vtkPolyDataMapper Mapper = new vtkPolyDataMapper();
    Mapper.SetInputConnection(Sphere.GetOutputPort());

    // Create an actor
    vtkActor Actor = new vtkActor();
    Actor.SetMapper(Mapper);

    // 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);

    // Add the actors to the scene
    ren.AddActor(Actor);

    ren.SetBackground(Bgcolor);

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

    vtkInteractorStyleRubberBandPick style = new vtkInteractorStyleRubberBandPick();
    iren.SetInteractorStyle(style);

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