[Path] Fix Path generation for forking wires

src/Mod/Path/PathScripts/PathEngraveBase.py

@@ -63,15 +63,23 @@ class ObjectOp(PathOp.ObjectOp):
         """buildpathocc(obj, wires, zValues, relZ=False) ... internal helper function to generate engraving commands."""
         PathLog.track(obj.Label, len(wires), zValues)
 
+        decomposewires = []
         for wire in wires:
-            offset = wire
+            decomposewires.extend(PathOpTools.makeWires(wire.Edges))
+
+        wires = decomposewires
+        for wire in wires:
+            # offset = wire
 
             # reorder the wire
             if hasattr(obj, "StartVertex"):
                 start_idx = obj.StartVertex
+            edges = wire.Edges
 
-            edges = copy.copy(PathOpTools.orientWire(offset, forward).Edges)
-            edges = Part.sortEdges(edges)[0]
+            # edges = copy.copy(PathOpTools.orientWire(offset, forward).Edges)
+            # PathLog.track("wire: {} offset: {}".format(len(wire.Edges), len(edges)))
+            # edges = Part.sortEdges(edges)[0]
+            # PathLog.track("edges: {}".format(len(edges)))
 
             last = None
 

src/Mod/Path/PathScripts/PathOpTools.py

@@ -82,6 +82,13 @@ def debugEdge(label, e):
         )
 
 
+def makeWires(inEdges):
+    """makeWires ... function to make non-forking wires from a collection of edges"""
+    edgelists = Part.sortEdges(inEdges)
+    result = [Part.Wire(e) for e in edgelists]
+    return result
+
+
 def debugWire(label, w):
     """debugWire(label, w) ... prints python statements for all edges of w to be added to the object tree in a group."""
     if not PrintWireDebug:
@@ -160,7 +167,7 @@ def orientWire(w, forward=True):
     If forward = True (the default) the wire is oriented clockwise, looking down the negative Z axis.
     If forward = False the wire is oriented counter clockwise.
     If forward = None the orientation is determined by the order in which the edges appear in the wire."""
-    PathLog.debug("orienting forward: {}".format(forward))
+    PathLog.debug("orienting forward: {}: {} edges".format(forward, len(w.Edges)))
     wire = Part.Wire(_orientEdges(w.Edges))
     if forward is not None:
         if forward != _isWireClockwise(wire):