def __str__(self):
if self.ccw:
s = "CCW ArcTo: "
else:
s = "CW ArcTo: "
return s + str(Wrappers.Point(self.toPoint)) + ", center=" + str(
Wrappers.Point(self.centerPoint))
def gcode(self, shapeList):
"convert the list of shapes to gcode"
"returns a generator of gcode lines"
"listOfShape is a list of wires, edges, or compounds of these"
pe = PathExport.ShapeDraw(self.options.useArcs,
self.options.curveApproximationTolerance)
for move in pe.follow(shapeList):
log.debug(move)
cmd = []
moveType = move.__class__.__name__
#regardless of whether we're doing an arc or linear move,
#we'll need to know the end X, Y, and Z values
if self.incremental:
compareVals = [0, 0, 0]
moveVals = move.distance()
else:
compareVals = [
self.currentPosition.X(),
self.currentPosition.Y(),
self.currentPosition.Z()
]
moveVals = move.vector()
log.debug("CompareVals" + str(compareVals))
log.debug("MoveVals" + str(moveVals))
c = self._appendAxisValues(compareVals, moveVals)
log.debug("Computed Move" + str(c))
if moveType == "LinearMove":
if len(c) > 0:
if move.draw:
cmd.append("G01")
else:
cmd.append("G00")
cmd.extend(c)
elif moveType == "ArcMove":
"it is an arc move"
if move.ccw:
cmd.append("G03")
else:
cmd.append("G02")
#I and J are always relative to the start point. of the arc. but
#X, Y, and Z have to honor incremental or absolute mode
i = move.centerPoint.X() - move.fromPoint.X()
j = move.centerPoint.Y() - move.fromPoint.Y()
cmd.append("I" + self.options.numberFormat % i)
cmd.append("J" + self.options.numberFormat % j)
cmd.extend(c)
else:
cmd.append("Unknown Move Type" + moveType)
if self.options.computeExtraAxis and len(cmd) > 0:
cmd.append(self.options.extraAxisName +
(self.options.numberFormat % move.length()))
if len(cmd) > 0:
yield " ".join(cmd) + "\n"
self.lastMove = move
self.currentPosition = move.toPoint
log.debug("CurrentPosition = " +
str(Wrappers.Point(self.currentPosition)))
def __str__(self):
if self.draw:
s = "DrawTo: "
else:
s = "MoveTo: "
return s + str(Wrappers.Point(self.toPoint))
