def _getGCode(self, order_int):
file_text = self._startProgram()
# move to start, at safe-Z, in INCR mode
file_text += G.set_INCR_mode()
file_text += G.G0_XY(( \
self.startRefs['x_starting_ref'], \
self.startRefs['y_starting_ref'] \
))
height_to_cut = self.workpiece_params['stock_height']
while height_to_cut > 0:
# move down to top of stock
file_text += G.set_ABS_mode()
file_text += G.G0_Z(height_to_cut)
# get to cutting height
height_to_cut = max(
height_to_cut - self.cutting_params['cut_per_pass'], 0)
file_text += G.set_ABS_mode()
file_text += G.G1_Z(
height_to_cut) # could be G0 here, but it's good practice
# This is other magic for A/B: special order of paths.
file_text += self.cutFingers(order_int)
file_text += self.returnToStart(order_int)
file_text += self.returnToHome()
file_text += self._endProgram()
return file_text
def cutFingers(self, order_int):
"""
One full pass.
Assumes it's already at its starting position in XYZ.
"""
bit_diameter = self.machine_params['bit_diameter']
bit_radius = bit_diameter / 2
distribution = self.getDistribution()
path_num = 1
file_text = G.set_INCR_mode()
file_text += G.G1_XY((0, bit_radius))
# Start _remCut with bit center at edge of stock.
file_text += self._remCut()
while path_num <= distribution['num_fingers']:
if path_num % 2 == order_int:
file_text += self._leftwardsPath()
else:
file_text += self._rightwardsPath()
path_num += 1
file_text += self._remCut()
file_text += G.G1_XY((0, bit_radius))
return file_text
def returnToHome(self):
file_text = self.machine.moveToSafeZ()
file_text += G.set_INCR_mode()
file_text += G.G0_XY(( \
- self.startRefs['x_starting_ref'], \
- self.startRefs['y_starting_ref'], \
))
return file_text
def setMode(self, mode):
file_text = ''
if mode.lower() == 'abs':
if self.mode != 'abs':
self.mode = 'abs'
file_text = G.set_ABS_mode()
elif mode.lower() == 'incr':
if self.mode != 'incr':
self.mode = 'incr'
file_text = G.set_INCR_mode()
else:
raise ValueError('"%s" mode is not handled by SimpleMachine' %
(mode))
return file_text
def returnToStart(self, order_int):
distribution = self.getDistribution()
stock_span = self.workpiece_params[
'stock_width'] + self.machine_params['bit_diameter']
file_text = self.machine.moveToSafeZ()
file_text += G.set_INCR_mode()
if distribution['num_fingers'] % 2 == 0:
file_text += G.G0_XY(( \
0, \
- stock_span \
))
else:
if order_int == 1:
file_text += G.G0_XY((\
- self.cutting_params['finger_depth'], \
- stock_span \
))
else:
file_text += G.G0_XY((\
self.cutting_params['finger_depth'], \
- stock_span \
))
return file_text
