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February 13, 2021 05:56
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Convert GCode M678 to Sailfish A/B extrusion values
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#!/usr/bin/env python | |
import sys | |
import os | |
AFactor = 0.8 | |
BFactor = 0.2 | |
ALast = 0.0 | |
BLast = 0.0 | |
ELast = 0 | |
NewGcode = "" | |
with open(sys.argv[1], 'r') as gcode_file: | |
for line in gcode_file: | |
if 'M567' in line: | |
commands = line.split(" ") | |
for command in commands: | |
if "E" in command: | |
command = command.replace("E", "").replace('\n', '') | |
values = command.split(":") | |
AFactor = float(values[0]) | |
BFactor = float(values[1]) | |
#resetTools = 'T0\nG92 P0\nT1\nG92 P0\n' | |
line = '; Debug (A{0:.5f} B{1:.5f}) '.format(AFactor, BFactor) + line #comment out M567 | |
if 'G1' in line: | |
commands = line.split(" ") | |
newLine = "" | |
for command in commands: | |
if "E" in command: | |
command = command.replace("E", "").replace('\n', '') | |
totalExtrusion = float(command) | |
ALast += ((totalExtrusion - ELast) * AFactor) | |
BLast += ((totalExtrusion - ELast) * BFactor) | |
ELast = totalExtrusion | |
command = 'A{0:.5f} B{1:.5f}'.format(ALast, BLast) | |
newLine += command + " " | |
if "E" in line: | |
newLine += '\n' | |
line = newLine | |
NewGcode += line | |
fileName = os.path.splitext(os.path.basename(sys.argv[1]))[0] | |
newF = open(fileName + "-converted.gcode", "w+b") | |
newF.truncate() | |
newF.write(NewGcode.encode('utf-8')) |
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Usage:
python ./convert.py file.gcode
outputs file-converted.gcode