def __init__(self, parent=None, x=0, y=0, w=640, h=480):
super(ICEViewer, self).__init__(parent)
self._camera = Camera(1., Vec3(20,30,30), Vec3(0,0,0), Vec3(0,1,0))
# init the animation parameters
self._cache_count = 0
self._start_cache = 1
self._end_cache = 100
self._current_cache = 1
self._playback_timerid = -1
self._playback_time_elapse = 10
self._load_start_time = 0
self._play_state = False
self._loop_state = False
self._statusbar = self.parentWidget().statusBar()
self._right_msg = parent.right_msg
self._cache_loading = False
# view tools management
self._toolmgr = ToolManager(self)
# Cache loader object
self._cache_loader = ICECacheLoader(parent)
self._cache_loader.beginCacheLoading.connect( self.on_begin_cacheloading )
self._cache_loader.cacheLoaded.connect( self.on_cache_loaded )
self._cache_loader.endCacheLoading.connect( self.on_end_cacheloading )
self.setAcceptDrops( True )
self.setFocusPolicy( QtCore.Qt.StrongFocus )
self._create_grid_data( self.GRID_SIZE )
