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Make sure we do not have a crash when model is very small - CURA-4431

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This commit is contained in:
ChrisTerBeke 2017-10-10 16:27:14 +02:00
parent c7ccc3c1b8
commit 216dcd33e0
2 changed files with 8 additions and 0 deletions
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4
cura/CuraApplication.py
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@ -1359,6 +1359,10 @@ class CuraApplication(QtApplication):
# Find node location
offset_shape_arr, hull_shape_arr = ShapeArray.fromNode(node, min_offset = min_offset)
# If a model is to small then it will not contain any points
if offset_shape_arr is None and hull_shape_arr is None:
return
# Step is for skipping tests to make it a lot faster. it also makes the outcome somewhat rougher
node, _ = arranger.findNodePlacement(node, offset_shape_arr, hull_shape_arr, step = 10)

4
cura/ShapeArray.py
View File

@ -46,6 +46,10 @@ class ShapeArray:
# For one_at_a_time printing you need the convex hull head.
hull_head_verts = node.callDecoration("getConvexHullHead") or hull_verts
# If a model is to small then it will not contain any points
if not hull_verts.getPoints().any():
return None, None
offset_verts = hull_head_verts.getMinkowskiHull(Polygon.approximatedCircle(min_offset))
offset_points = copy.deepcopy(offset_verts._points) # x, y
offset_points[:, 0] = numpy.add(offset_points[:, 0], -transform_x)