mirror of
https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
synced 2025-04-22 05:39:37 +08:00
179 lines
8.0 KiB
Python
179 lines
8.0 KiB
Python
from UM.Logger import Logger
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from ..Script import Script
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class PauseAtHeightforRepetier(Script):
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def __init__(self):
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super().__init__()
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def getSettingDataString(self):
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return """{
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"name":"Pause at height for repetier",
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"key": "PauseAtHeightforRepetier",
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"metadata": {},
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"version": 2,
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"settings":
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{
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"pause_height":
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{
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"label": "Pause height",
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"description": "At what height should the pause occur",
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"unit": "mm",
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"type": "float",
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"default_value": 5.0
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},
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"head_park_x":
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{
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"label": "Park print head X",
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"description": "What x location does the head move to when pausing.",
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"unit": "mm",
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"type": "float",
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"default_value": 5.0
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},
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"head_park_y":
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{
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"label": "Park print head Y",
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"description": "What y location does the head move to when pausing.",
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"unit": "mm",
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"type": "float",
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"default_value": 5.0
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},
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"head_move_Z":
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{
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"label": "Head move Z",
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"description": "The Hieght of Z-axis retraction before parking.",
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"unit": "mm",
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"type": "float",
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"default_value": 15.0
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},
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"retraction_amount":
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{
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"label": "Retraction",
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"description": "How much fillament must be retracted at pause.",
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"unit": "mm",
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"type": "float",
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"default_value": 5.0
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},
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"extrude_amount":
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{
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"label": "Extrude amount",
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"description": "How much filament should be extruded after pause. This is needed when doing a material change on Ultimaker2's to compensate for the retraction after the change. In that case 128+ is recommended.",
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"unit": "mm",
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"type": "float",
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"default_value": 90.0
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},
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"redo_layers":
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{
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"label": "Redo layers",
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"description": "Redo a number of previous layers after a pause to increases adhesion.",
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"unit": "layers",
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"type": "int",
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"default_value": 0
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}
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}
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}"""
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def execute(self, data):
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x = 0.
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y = 0.
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current_extrusion_f = 0
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current_z = 0.
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pause_z = self.getSettingValueByKey("pause_height")
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retraction_amount = self.getSettingValueByKey("retraction_amount")
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extrude_amount = self.getSettingValueByKey("extrude_amount")
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park_x = self.getSettingValueByKey("head_park_x")
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park_y = self.getSettingValueByKey("head_park_y")
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move_Z = self.getSettingValueByKey("head_move_Z")
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layers_started = False
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redo_layers = self.getSettingValueByKey("redo_layers")
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for layer in data:
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lines = layer.split("\n")
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for line in lines:
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if ";LAYER:0" in line:
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layers_started = True
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continue
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if not layers_started:
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continue
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if self.getValue(line, 'G') == 1 or self.getValue(line, 'G') == 0:
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current_z = self.getValue(line, 'Z')
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if self.getValue(line, 'F') is not None and self.getValue(line, 'E') is not None:
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current_extrusion_f = self.getValue(line, 'F', current_extrusion_f)
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x = self.getValue(line, 'X', x)
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y = self.getValue(line, 'Y', y)
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if current_z is not None:
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if current_z >= pause_z:
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index = data.index(layer)
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prevLayer = data[index-1]
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prevLines = prevLayer.split("\n")
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current_e = 0.
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for prevLine in reversed(prevLines):
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current_e = self.getValue(prevLine, 'E', -1)
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if current_e >= 0:
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break
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prepend_gcode = ";TYPE:CUSTOM\n"
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prepend_gcode += ";added code by post processing\n"
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prepend_gcode += ";script: PauseAtHeightforRepetier.py\n"
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prepend_gcode += ";current z: %f \n" % (current_z)
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prepend_gcode += ";current X: %f \n" % (x)
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prepend_gcode += ";current Y: %f \n" % (y)
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#Retraction
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prepend_gcode += "M83\n"
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if retraction_amount != 0:
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prepend_gcode += "G1 E-%f F6000\n" % (retraction_amount)
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#Move the head away
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prepend_gcode += "G1 Z%f F300\n" % (1 + current_z)
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prepend_gcode += "G1 X%f Y%f F9000\n" % (park_x, park_y)
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if current_z < move_Z:
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prepend_gcode += "G1 Z%f F300\n" % (current_z + move_Z)
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#Disable the E steppers
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prepend_gcode += "M84 E0\n"
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#Wait till the user continues printing
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prepend_gcode += "@pause now change filament and press continue printing ;Do the actual pause\n"
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#Push the filament back,
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if retraction_amount != 0:
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prepend_gcode += "G1 E%f F6000\n" % (retraction_amount)
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# Optionally extrude material
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if extrude_amount != 0:
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prepend_gcode += "G1 E%f F200\n" % (extrude_amount)
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prepend_gcode += "@info wait for cleaning nozzle from previous filament\n"
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prepend_gcode += "@pause remove the waste filament from parking area and press continue printing\n"
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# and retract again, the properly primes the nozzle when changing filament.
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if retraction_amount != 0:
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prepend_gcode += "G1 E-%f F6000\n" % (retraction_amount)
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#Move the head back
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prepend_gcode += "G1 Z%f F300\n" % (1 + current_z)
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prepend_gcode +="G1 X%f Y%f F9000\n" % (x, y)
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if retraction_amount != 0:
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prepend_gcode +="G1 E%f F6000\n" % (retraction_amount)
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if current_extrusion_f != 0:
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prepend_gcode += self.putValue(G=1, F=current_extrusion_f) + " ; restore extrusion feedrate\n"
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else:
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Logger.log("w", "No previous feedrate found in gcode, feedrate for next layer(s) might be incorrect")
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prepend_gcode +="M82\n"
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# reset extrude value to pre pause value
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prepend_gcode +="G92 E%f\n" % (current_e)
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layer = prepend_gcode + layer
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# include a number of previous layers
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for i in range(1, redo_layers + 1):
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prevLayer = data[index-i]
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layer = prevLayer + layer
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data[index] = layer #Override the data of this layer with the modified data
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return data
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break
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return data
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