def gen_extrusion_move(self, x, y, e_length):
"""
Generate g-code line for extrusion move. Relative distances
:param x: x coordinate
:param y: y coordinate
:param e_length: extrusion length
:return: byte string
"""
if utils.is_float_zero(x, 3):
return ("G1 Y%.3f E%.4f" % (y, e_length)).encode()
elif utils.is_float_zero(y, 3):
return ("G1 X%.3f E%.4f" % (x, e_length)).encode()
return ("G1 X%.3f Y%.3f E%.4f" % (x, y, e_length)).encode()
def gen_head_move(self, x, y, speed):
"""
Generate g-code line for head move
:param x: x coordinate
:param y: y coordinate
:param speed: movement speed
:return: byte string
"""
if utils.is_float_zero(x, 3):
return ("G1 Y%.3f F%d" % (y, speed)).encode()
elif utils.is_float_zero(y, 3):
return ("G1 X%.3f F%d" % (x, speed)).encode()
return ("G1 X%.3f Y%.3f F%d" % (x, y, speed)).encode()
def gen_head_move(self, x, y, speed):
"""
Generate g-code line for head move
:param x: x coordinate
:param y: y coordinate
:param speed: movement speed
:return: byte string
"""
# handle zeroes... cannot omit 0-len axes
if utils.is_float_zero(x, 3):
return ("G1 X0 Y%.3f F%d" % (y, speed)).encode()
elif utils.is_float_zero(y, 3):
return ("G1 X%.3f Y0 F%d" % (x, speed)).encode()
return ("G1 X%.3f Y%.3f F%d" % (x, y, speed)).encode()
def gen_extrusion_move(x, y, e_length):
"""
Generate g-code line for extrusion move. Relative distances
:param x: x coordinate
:param y: y coordinate
:param e_length: extrusion length
:return: byte string
"""
# handle zeroes... cannot omit 0-len axes
if utils.is_float_zero(x, 3):
return ("G1 X0 Y%.3f E%.4f" % (y, e_length)).encode()
elif utils.is_float_zero(y, 3):
return ("G1 X%.3f Y0 E%.4f" % (x, e_length)).encode()
return ("G1 X%.3f Y%.3f E%.4f" % (x, y, e_length)).encode()
def _get_prime(self, extruder):
"""
Get g-code for prime. Calculate needed prime length from current e position
:param extruder: extruder object
:return: prime g-code
"""
if not extruder.retract:
return
if self.e_pos < 0 and not utils.is_float_zero(self.e_pos, 3):
prime = extruder.retract + self.e_pos
self.e_pos = 0
return extruder.get_prime_gcode(change=prime,
comment=b" tower prime")
def _get_retraction(self, e_pos, extruder):
"""
Get g-code for retraction. Calculate needed retraction length from current e position
:param e_pos: extruder position
:param extruder: extruder object
:return: retraction g-code
"""
retraction = extruder.retract + e_pos
self.log.debug("Retraction to add: %s. E position: %s" %
(retraction, e_pos))
if not utils.is_float_zero(retraction, 3):
if retraction > extruder.retract:
retraction = extruder.retract
return ("G1 E%.4f F%.1f" % (-retraction, extruder.retract_speed)
).encode(), b" tower retract"