- fixed bug in CutOut Tool

README.md

@@ -9,6 +9,10 @@ CAD program, and create G-Code for Isolation routing.
 
 =================================================
 
+5.07.2019
+
+- fixed bug in CutOut Tool
+
 1.07.2019
 
 - Spanish translation at 36%

flatcamTools/ToolCutOut.py

@@ -419,9 +419,13 @@ class CutOut(FlatCAMTool):
             except TypeError:
                 object_geo = [object_geo]
 
-            for geo in object_geo:
+            # for geo in object_geo:
             if isinstance(cutout_obj, FlatCAMGerber):
-                    geo = (geo.buffer(margin + abs(dia / 2))).exterior
+                geo = (object_geo.buffer(margin + abs(dia / 2))).exterior
+            else:
+                geo = object_geo
+
+            geo = unary_union(geo)
 
             # Get min and max data for each object as we just cut rectangles across X or Y
             xmin, ymin, xmax, ymax = recursive_bounds(geo)
@@ -575,9 +579,9 @@ class CutOut(FlatCAMTool):
             except TypeError:
                 object_geo = [object_geo]
 
-            for poly in object_geo:
+            object_geo = unary_union(object_geo)
 
-                xmin, ymin, xmax, ymax = poly.bounds
+            xmin, ymin, xmax, ymax = object_geo.bounds
             geo = box(xmin, ymin, xmax, ymax)
 
             # if Gerber create a buffer at a distance