Medial axis is now limited by cutter diameter

Before, it was going always in the middle which was non-sense...
now, it can be combined with a reasonably set pocket operation for
milling stamps and similar.

scripts/addons/cam/polygon_utils_cam.py

@@ -101,11 +101,13 @@ def shapelyToCoords(anydata):
 		clen=0
 		seq=[]
 		#print(p.boundary.coordsd)
-		for sp in p:
+		for sp in p:#TODO
+			#seq.append(shapelyToCoords(sp))
 			clen+=len(sp.exterior.coords)
 			seq.append(sp.exterior.coords)
 			for interior in sp.interiors:
 				seq.extend(interior.coords)
+
 		#for g in p.geom:
 		#	print(g.type)
 	

scripts/addons/cam/utils.py

@@ -2974,10 +2974,18 @@ def getPath3axis(context, operation):
 					filteredEdgs.append(((vertr[e[0]][1],vertr[e[1]][1])))
 					ledges.append(sgeometry.LineString((filteredPts[vertr[e[0]][1]],filteredPts[vertr[e[1]][1]])))
 					#print(ledges[-1].has_z)
-					
+			
+				
+			bufpoly = poly.buffer(-o.cutter_diameter/2, resolution = 64)
+
 			lines = shapely.ops.linemerge(ledges)
-			#shapelyToCurve('test',lines,0)
+			#print(lines.type)
+			
+			if bufpoly.type=='Polygon' or bufpoly.type=='MultiPolygon':
+				lines=lines.difference(bufpoly)
+				chunks.extend(shapelyToChunks(bufpoly,maxdepth))
 			chunks.extend( shapelyToChunks(lines,0))
+			
 			#segments=[]
 			#processEdges=filteredEdgs.copy()
 			#chunk=camPathChunk([])