def resetNavigationCallback(self, cbData):
t = [0.0, 0.0, 0.0]
pyvrui.setNavigationTransformation(t, -10.0)
def centerDisplayCallback(self, cbdata):
print 'Application.centerDisplayCallback'
pyvrui.setNavigationTransformation([0.0, 0.0, 0.0], 3.0*6.4e3)
