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8b8e964293
These seem to be wrong by accident. Let's update them to reflect the rest of Cura which falls under the LGPLv3 or higher.
208 lines
No EOL
8.4 KiB
Python
208 lines
No EOL
8.4 KiB
Python
# ColorMix script - 2-1 extruder color mix and blending
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# This script is specific for the Geeetech A10M dual extruder but should work with other Marlin printers.
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# It runs with the PostProcessingPlugin which is released under the terms of the LGPLv3 or higher.
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# This script is licensed under the Creative Commons - Attribution - Share Alike (CC BY-SA) terms
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#Authors of the 2-1 ColorMix plug-in / script:
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# Written by John Hryb - john.hryb.4@gmail.com
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#history / change-log:
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#V1.0.0 - Initial
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#V1.1.0 -
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# additions:
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#Object number - To select individual models or all when using "one at a time" print sequence
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#V1.2.0
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# fixed layer heights Cura starts at 1 while G-code starts at 0
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# removed notes
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# changed Units of measurement to Units
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#V1.2.1
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# Fixed mm bug when not in multiples of layer height
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# Uses -
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# M163 - Set Mix Factor
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# M164 - Save Mix - saves to T2 as a unique mix
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import re #To perform the search and replace.
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from ..Script import Script
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class ColorMix(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":"ColorMix 2-1 V1.2.1",
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"key":"ColorMix 2-1",
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"metadata": {},
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"version": 2,
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"settings":
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{
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"units_of_measurement":
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{
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"label": "Units",
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"description": "Input value as mm or layer number.",
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"type": "enum",
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"options": {"mm":"mm","layer":"Layer"},
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"default_value": "layer"
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},
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"object_number":
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{
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"label": "Object Number",
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"description": "Select model to apply to for print one at a time print sequence. 0 = everything",
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"type": "int",
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"default_value": 0,
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"minimum_value": "0"
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},
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"start_height":
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{
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"label": "Start Height",
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"description": "Value to start at (mm or layer)",
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"type": "float",
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"default_value": 0,
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"minimum_value": "0"
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},
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"behavior":
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{
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"label": "Fixed or blend",
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"description": "Select Fixed (set new mixture) or Blend mode (dynamic mix)",
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"type": "enum",
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"options": {"fixed_value":"Fixed","blend_value":"Blend"},
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"default_value": "fixed_value"
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},
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"finish_height":
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{
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"label": "Finish Height",
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"description": "Value to stop at (mm or layer)",
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"type": "float",
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"default_value": 0,
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"minimum_value": "0",
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"minimum_value_warning": "start_height",
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"enabled": "behavior == 'blend_value'"
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},
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"mix_start":
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{
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"label": "Start mix ratio",
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"description": "First extruder percentage 0-100",
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"type": "float",
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"default_value": 100,
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"minimum_value": "0",
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"minimum_value_warning": "0",
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"maximum_value_warning": "100"
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},
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"mix_finish":
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{
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"label": "End mix ratio",
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"description": "First extruder percentage 0-100 to finish blend",
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"type": "float",
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"default_value": 0,
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"minimum_value": "0",
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"minimum_value_warning": "0",
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"maximum_value_warning": "100",
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"enabled": "behavior == 'blend_value'"
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}
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}
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}"""
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def getValue(self, line, key, default = None): #replace default getvalue due to comment-reading feature
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if not key in line or (";" in line and line.find(key) > line.find(";") and
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not ";ChangeAtZ" in key and not ";LAYER:" in key):
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return default
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subPart = line[line.find(key) + len(key):] #allows for string lengths larger than 1
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if ";ChangeAtZ" in key:
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m = re.search("^[0-4]", subPart)
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elif ";LAYER:" in key:
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m = re.search("^[+-]?[0-9]*", subPart)
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else:
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#the minus at the beginning allows for negative values, e.g. for delta printers
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m = re.search("^[-]?[0-9]*\.?[0-9]*", subPart)
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if m == None:
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return default
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try:
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return float(m.group(0))
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except:
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return default
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def execute(self, data):
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firstHeight = self.getSettingValueByKey("start_height")
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secondHeight = self.getSettingValueByKey("finish_height")
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firstMix = self.getSettingValueByKey("mix_start")
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secondMix = self.getSettingValueByKey("mix_finish")
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modelOfInterest = self.getSettingValueByKey("object_number")
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#get layer height
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layerHeight = 0
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for active_layer in data:
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lines = active_layer.split("\n")
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for line in lines:
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if ";Layer height: " in line:
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layerHeight = self.getValue(line, ";Layer height: ", layerHeight)
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break
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if layerHeight != 0:
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break
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#default layerHeight if not found
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if layerHeight == 0:
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layerHeight = .2
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#get layers to use
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startLayer = 0
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endLayer = 0
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if self.getSettingValueByKey("units_of_measurement") == "mm":
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startLayer = round(firstHeight / layerHeight)
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endLayer = round(secondHeight / layerHeight)
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else: #layer height shifts down by one for g-code
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if firstHeight <= 0:
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firstHeight = 1
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if secondHeight <= 0:
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secondHeight = 1
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startLayer = firstHeight - 1
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endLayer = secondHeight - 1
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#see if one-shot
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if self.getSettingValueByKey("behavior") == "fixed_value":
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endLayer = startLayer
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firstExtruderIncrements = 0
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else: #blend
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firstExtruderIncrements = (secondMix - firstMix) / (endLayer - startLayer)
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firstExtruderValue = 0
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index = 0
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#start scanning
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layer = -1
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modelNumber = 0
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for active_layer in data:
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modified_gcode = ""
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lineIndex = 0
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lines = active_layer.split("\n")
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for line in lines:
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#dont leave blanks
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if line != "":
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modified_gcode += line + "\n"
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# find current layer
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if ";LAYER:" in line:
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layer = self.getValue(line, ";LAYER:", layer)
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#get model number by layer 0 repeats
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if layer == 0:
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modelNumber = modelNumber + 1
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#search for layers to manipulate
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if (layer >= startLayer) and (layer <= endLayer):
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#make sure correct model is selected
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if (modelOfInterest == 0) or (modelOfInterest == modelNumber):
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#Delete old data if required
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if lines[lineIndex + 4] == "T2":
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del lines[(lineIndex + 1):(lineIndex + 5)]
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#add mixing commands
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firstExtruderValue = int(((layer - startLayer) * firstExtruderIncrements) + firstMix)
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if firstExtruderValue == 100:
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modified_gcode += "M163 S0 P1\n"
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modified_gcode += "M163 S1 P0\n"
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elif firstExtruderValue == 0:
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modified_gcode += "M163 S0 P0\n"
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modified_gcode += "M163 S1 P1\n"
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else:
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modified_gcode += "M163 S0 P0.{:02d}\n".format(firstExtruderValue)
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modified_gcode += "M163 S1 P0.{:02d}\n".format(100 - firstExtruderValue)
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modified_gcode += "M164 S2\n"
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modified_gcode += "T2\n"
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lineIndex += 1 #for deleting index
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data[index] = modified_gcode
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index += 1
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return data |