All standard qt and qwt widgets can be used from ruby. Furthermore rock is shipped with a collection of widgets for some basic data analysis.

ImageView: Widget for displaying camera images (base/frame/frame, base/frame/FramePair)

  require 'vizkit'
 orocos.run 'my_camera' do
   camera = Orocos.name_service.get 'camera'
   camera.start
   Vizkit.display camera.frame
   Vizkit.exec
 end

PlotWidget: Widget for plotting sensor data

  require 'vizkit'
 orocos.run 'my_sensor' do
   widget = Vizkit.default_loader.Plot2d
   sensor = Orocos.name_service.get 'sensor'
   sensor.configure
   sensor.start

   sensor.data.connect_to do |sample,_|
     widget.update sample.field2.to_f,"sample1"
     widget.update sample.field2.to_f,"sample2"
   end

   widget.show
   Vizkit.exec
 end

ArtificialHorizon: Widget for visualizing a rigid body state