def initializeGL (self):
"""initializeGL the context and create the osgViewer, also set manipulator and event handler """
self.gw = self.createContext()
self.viewer = self.createViewer()
#init the default eventhandler
self.viewer.setCameraManipulator(osgGA.TrackballManipulator())
self.viewer.addEventHandler(osgViewer.StatsHandler())
self.viewer.addEventHandler(osgViewer.HelpHandler())
QtCore.QObject.connect(self.timer, QtCore.SIGNAL("timeout ()"), self.updateGL)
self.timer.start(0)
def createViewer(self):
"""create a osgViewer.Viewer and set the viewport, camera and previously created graphical context """
global viewerFactory
viewer = viewerFactory()
#init the default eventhandler
# self.viewer.setCameraManipulator(osgGA.TrackballManipulator())
viewer.addEventHandler(osgViewer.StatsHandler())
viewer.addEventHandler(osgViewer.HelpHandler())
viewer.getUpdateVisitor().setTraversalMask(UPDATE_MASK)
self.resetCamera(viewer)
return viewer
def __init__(self, glconfig, viewer=None, window=None):
gtk.DrawingArea.__init__(self)
# Set OpenGL-capability to the drawing area
self.set_gl_capability(glconfig)
# Connect the relevant signals.
self.connect_after('realize', self._on_realize)
self.connect('configure_event', self._on_configure_event)
self.connect('expose_event', self._on_expose_event)
self.connect("key_press_event", self._on_key_press_event)
self.add_events(gtk.gdk.BUTTON_PRESS_MASK
| gtk.gdk.BUTTON_RELEASE_MASK)
self.__motion_events = 0
self.__motion_events |= gtk.gdk.BUTTON_MOTION_MASK
self.__motion_events |= gtk.gdk.POINTER_MOTION_MASK
self.add_events(self.__motion_events)
self.connect('motion_notify_event', self._on_mouse_event)
self.connect("button_press_event", self._on_mouse_event)
self.connect("button_release_event", self._on_mouse_event)
#experimental: Stereo in a window
#self.ds = osg.DisplaySettings_instance()
#self.ds.setStereo(True)
#self.ds.setStereoMode(osg.DisplaySettings.QUAD_BUFFER)
if viewer is None:
self.viewer = osgViewer.Viewer()
else:
self.viewer = viewer
self.osgwindow = self.viewer.setUpViewerAsEmbeddedInWindow(
0, 0, 200, 200)
# one could try using a pythonic alternative:
# self.osgwindow = self.setup_osgwindow(0,0,200,200)
self.viewer.setCameraManipulator(osgGA.TrackballManipulator())
self.viewer.addEventHandler(osgViewer.StatsHandler())
self.viewer.addEventHandler(osgViewer.HelpHandler())
self.rootnode = osg.MatrixTransformRef(osg.MatrixTransform())
self.viewer.setSceneData(self.rootnode.get())
self._x, self._y = 0, 0
return layer
# create a root node
root = osg.Group()
# only use Python path
#osgDB.Registry.instance().setLibraryFilePathList(sys.path)
# create a viewer
viewer = osgViewer.Viewer()
# add some convenience handlers
viewer.addEventHandler(osgViewer.WindowSizeHandler())
viewer.addEventHandler(osgViewer.StatsHandler())
viewer.addEventHandler(osgViewer.ThreadingHandler())
viewer.addEventHandler(osgViewer.HelpHandler())
# set the scene root
viewer.setSceneData(root)
# preload plugins
video_id = osgART.PluginManager.instance().load("osgart_video_artoolkit2")
tracker_id = osgART.PluginManager.instance().load("osgart_tracker_artoolkit2")
# create a video source (move to settings)
video = osgART.Video.cast(osgART.PluginManager.instance().get(video_id))
# open the video
video.open()
# tracker