diff --git a/plugins/LayerView/LayerView.py b/plugins/LayerView/LayerView.py index 7e54cabacd..97a343bd33 100755 --- a/plugins/LayerView/LayerView.py +++ b/plugins/LayerView/LayerView.py @@ -1,6 +1,8 @@ # Copyright (c) 2015 Ultimaker B.V. # Cura is released under the terms of the AGPLv3 or higher. +import sys + from UM.PluginRegistry import PluginRegistry from UM.View.View import View from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator @@ -253,8 +255,17 @@ class LayerView(View): if not layer_data: continue - if new_max_layers < len(layer_data.getLayers()): - new_max_layers = len(layer_data.getLayers()) - 1 + min_layer_number = sys.maxsize + max_layer_number = -sys.maxsize + for layer_id in layer_data.getLayers(): + if max_layer_number < layer_id: + max_layer_number = layer_id + if min_layer_number > layer_id: + min_layer_number = layer_id + layer_count = max_layer_number - min_layer_number + + if new_max_layers < layer_count: + new_max_layers = layer_count if new_max_layers > 0 and new_max_layers != self._old_max_layers: self._max_layers = new_max_layers