def _scatter_artist(self, axes, state, layer=None, layer_state=None):
if len(self._layer_artist_container) == 0:
QMessageBox.critical(self, "Error", "Can only add a scatter plot "
"overlay once an image is present",
buttons=QMessageBox.Ok)
return None
return ScatterLayerArtist(axes, state, layer=layer, layer_state=None)
def _scatter_artist(self, axes, state, layer=None, layer_state=None):
if len(self._layer_artist_container) == 0:
raise Exception(
"Can only add a scatter plot overlay once an image is present")
return ScatterLayerArtist(axes, state, layer=layer, layer_state=None)
def _new_scatter_layer(self, layer):
return ScatterLayerArtist(layer, self._axes)
