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Re-use _roundHull method
This code was duplicated. Contributes to issue CURA-2407.
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@ -196,19 +196,8 @@ class ConvexHullDecorator(SceneNodeDecorator):
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hull = Polygon(vertex_data)
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if len(vertex_data) >= 4:
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# First, calculate the normal convex hull around the points
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convex_hull = hull.getConvexHull()
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#Then, offset the convex hull with the horizontal expansion value, since that is always added to the mesh.
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#Use a minimum of 0.5mm to outset and round the normal convex hull if there is no horizontal expansion, because of edge cases.
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horizontal_expansion = max(0.5, self._getSettingProperty("xy_offset", "value"))
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expansion_polygon = Polygon(numpy.array([
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[-horizontal_expansion, -horizontal_expansion],
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[-horizontal_expansion, horizontal_expansion],
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[horizontal_expansion, horizontal_expansion],
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[horizontal_expansion, -horizontal_expansion]
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], numpy.float32))
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rounded_hull = convex_hull.getMinkowskiHull(expansion_polygon)
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rounded_hull = self._roundHull(convex_hull)
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# Store the result in the cache
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self._2d_convex_hull_mesh = mesh
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