- fixed issue in the latest feature in NCC Tool: now it works also with reference objects made out of LineStrings (tool 'Path' in Geometry Editor)

README.md

@@ -16,6 +16,7 @@ CAD program, and create G-Code for Isolation routing.
 - fixed bug that created a choppy geometry for CNCJob when working in INCH
 - fixed bug that did not asked the user to save the preferences after importing a new set of preferences, after the user is trying to close the Preferences tab window
 - added new feature in NCC Tool: now another object can be used as reference for the area extent to be cleared of copper
+- fixed issue in the latest feature in NCC Tool: now it works also with reference objects made out of LineStrings (tool 'Path' in Geometry Editor)
 
 7.09.2019
 

flatcamTools/ToolNonCopperClear.py

@@ -762,7 +762,8 @@ class NonCopperClear(FlatCAMTool, Gerber):
         # Prepare non-copper polygons
         try:
             if not isinstance(self.bound_obj.solid_geometry, MultiPolygon):
-                env_obj = MultiPolygon(self.bound_obj.solid_geometry).convex_hull
+                env_obj = cascaded_union(self.bound_obj.solid_geometry)
+                env_obj = env_obj.convex_hull
             else:
                 env_obj = self.bound_obj.solid_geometry.convex_hull
             bounding_box = env_obj.buffer(distance=margin, join_style=base.JOIN_STYLE.mitre)