def pocket(blocks, allowG1, diameter, stepover, name,gcode,items):
undoinfo = []
msg = ""
newblocks = []
islandslist = []
for bid,block in enumerate(gcode.blocks):
if block.operationTest('island'):
for islandPath in gcode.toPath(bid):
islandslist.append(islandPath)
for bid in reversed(blocks):
if gcode.blocks[bid].name() in ("Header", "Footer"): continue
newpath = []
for path in gcode.toPath(bid):
if not path.isClosed():
m = "Path: '%s' is OPEN"%(path.name)
if m not in msg:
if msg: msg += "\n"
msg += m
path.close()
# Remove tiny segments
path.removeZeroLength(abs(diameter)/100.)
# Convert very small arcs to lines
path.convert2Lines(abs(diameter)/10.)
path.directionSet(1) #turn path to CW (conventional when milling inside)
D = path.direction()
if D==0: D=1
remove = ["cut","reverse","climb","conventional","cw","ccw","pocket"]
if name is None:
path.name = Block.operationName(path.name, "pocket,conventional,cw", remove)
else:
path.name = Block.operationName(path.name, name, remove)
MyPocket = PocketIsland([path],allowG1,diameter,stepover,0,islandslist)
newpathList = MyPocket.getfullpath()
#concatenate newpath in a single list and split2contours
if allowG1 :
MyFullPath = Path("Pocket")
for path in newpathList :
for seg in path:
MyFullPath.append(seg)
newpathList = MyFullPath.split2contours()
if newpathList:
# remember length to shift all new blocks
# the are inserted before
before = len(newblocks)
undoinfo.extend(gcode.importPath(bid+1, newpathList,
newblocks, True, False))
new = len(newblocks)-before
for i in range(before):
newblocks[i] += new
gcode.blocks[bid].enable = False
gcode.addUndo(undoinfo)
# return new blocks inside the blocks list
del blocks[:]
blocks.extend(newblocks)
return msg
