from ..Script import Script # from cura.Settings.ExtruderManager import ExtruderManager class PauseAtHeight(Script): def __init__(self): super().__init__() def getSettingDataString(self): return """{ "name":"Pause at height", "key": "PauseAtHeight", "metadata": {}, "version": 2, "settings": { "pause_height": { "label": "Pause Height", "description": "At what height should the pause occur", "unit": "mm", "type": "float", "default_value": 5.0 }, "head_park_x": { "label": "Park Print Head X", "description": "What X location does the head move to when pausing.", "unit": "mm", "type": "float", "default_value": 190 }, "head_park_y": { "label": "Park Print Head Y", "description": "What Y location does the head move to when pausing.", "unit": "mm", "type": "float", "default_value": 190 }, "retraction_amount": { "label": "Retraction", "description": "How much filament must be retracted at pause.", "unit": "mm", "type": "float", "default_value": 0 }, "retraction_speed": { "label": "Retraction Speed", "description": "How fast to retract the filament.", "unit": "mm/s", "type": "float", "default_value": 25 }, "extrude_amount": { "label": "Extrude Amount", "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.", "unit": "mm", "type": "float", "default_value": 0 }, "extrude_speed": { "label": "Extrude Speed", "description": "How fast to extrude the material after pause.", "unit": "mm/s", "type": "float", "default_value": 3.3333 }, "redo_layers": { "label": "Redo Layers", "description": "Redo a number of previous layers after a pause to increases adhesion.", "unit": "layers", "type": "int", "default_value": 0 }, "standby_temperature": { "label": "Standby Temperature", "description": "Change the temperature during the pause", "unit": "°C", "type": "int", "default_value": 0 }, "resume_temperature": { "label": "Resume Temperature", "description": "Change the temperature after the pause", "unit": "°C", "type": "int", "default_value": 0 } } }""" def execute(self, data: list): """data is a list. Each index contains a layer""" x = 0. y = 0. current_z = 0. pause_height = self.getSettingValueByKey("pause_height") retraction_amount = self.getSettingValueByKey("retraction_amount") retraction_speed = self.getSettingValueByKey("retraction_speed") extrude_amount = self.getSettingValueByKey("extrude_amount") extrude_speed = self.getSettingValueByKey("extrude_speed") park_x = self.getSettingValueByKey("head_park_x") park_y = self.getSettingValueByKey("head_park_y") layers_started = False redo_layers = self.getSettingValueByKey("redo_layers") standby_temperature = self.getSettingValueByKey("standby_temperature") resume_temperature = self.getSettingValueByKey("resume_temperature") # T = ExtruderManager.getInstance().getActiveExtruderStack().getProperty("material_print_temperature", "value") # with open("out.txt", "w") as f: # f.write(T) # use offset to calculate the current height: = - layer_0_z = 0. got_first_g_cmd_on_layer_0 = False for layer in data: lines = layer.split("\n") for line in lines: if ";LAYER:0" in line: layers_started = True continue if not layers_started: continue if self.getValue(line, 'G') == 1 or self.getValue(line, 'G') == 0: current_z = self.getValue(line, 'Z') if not got_first_g_cmd_on_layer_0: layer_0_z = current_z got_first_g_cmd_on_layer_0 = True x = self.getValue(line, 'X', x) y = self.getValue(line, 'Y', y) if current_z is not None: current_height = current_z - layer_0_z if current_height >= pause_height: index = data.index(layer) prevLayer = data[index - 1] prevLines = prevLayer.split("\n") current_e = 0. for prevLine in reversed(prevLines): current_e = self.getValue(prevLine, 'E', -1) if current_e >= 0: break # include a number of previous layers for i in range(1, redo_layers + 1): prevLayer = data[index - i] layer = prevLayer + layer prepend_gcode = ";TYPE:CUSTOM\n" prepend_gcode += ";added code by post processing\n" prepend_gcode += ";script: PauseAtHeight.py\n" prepend_gcode += ";current z: %f \n" % current_z prepend_gcode += ";current height: %f \n" % current_height # Retraction prepend_gcode += "M83\n" if retraction_amount != 0: prepend_gcode += "G1 E-%f F%f\n" % (retraction_amount, retraction_speed * 60) # Move the head away prepend_gcode += "G1 Z%f F300\n" % (current_z + 1) prepend_gcode += "G1 X%f Y%f F9000\n" % (park_x, park_y) if current_z < 15: prepend_gcode += "G1 Z15 F300\n" # Disable the E steppers prepend_gcode += "M84 E0\n" # Set extruder standby temperature prepend_gcode += "M104 S%i; standby temperature\n" % (standby_temperature) # Wait till the user continues printing prepend_gcode += "M0 ;Do the actual pause\n" # Set extruder resume temperature prepend_gcode += "M109 S%i; resume temperature\n" % (resume_temperature) # Push the filament back, if retraction_amount != 0: prepend_gcode += "G1 E%f F%f\n" % (retraction_amount, retraction_speed * 60) # Optionally extrude material if extrude_amount != 0: prepend_gcode += "G1 E%f F%f\n" % (extrude_amount, extrude_speed * 60) # and retract again, the properly primes the nozzle # when changing filament. if retraction_amount != 0: prepend_gcode += "G1 E-%f F%f\n" % (retraction_amount, retraction_speed * 60) # Move the head back prepend_gcode += "G1 Z%f F300\n" % (current_z + 1) prepend_gcode += "G1 X%f Y%f F9000\n" % (x, y) if retraction_amount != 0: prepend_gcode += "G1 E%f F%f\n" % (retraction_amount, retraction_speed * 60) prepend_gcode += "G1 F9000\n" prepend_gcode += "M82\n" # reset extrude value to pre pause value prepend_gcode += "G92 E%f\n" % (current_e) layer = prepend_gcode + layer # Override the data of this layer with the # modified data data[index] = layer return data break return data