diff --git a/plugins/SimulationView/SimulationView.py b/plugins/SimulationView/SimulationView.py index 5c3dca9fae..456d64e250 100644 --- a/plugins/SimulationView/SimulationView.py +++ b/plugins/SimulationView/SimulationView.py @@ -158,7 +158,9 @@ class SimulationView(View): return self._nozzle_node def _onSceneChanged(self, node): - if node.getMeshData() is not None: + if node.getMeshData() is None: + self.resetLayerData() + else: self.setActivity(False) self.calculateMaxLayers() self.calculateMaxPathsOnLayer(self._current_layer_num)