Gcode Plotter

plot_gcode.py

#!/usr/bin/env python

from __future__ import unicode_literals, print_function

import sys

import matplotlib.pyplot as plt
import csv
import re

G1XY_RE = re.compile('G[01] X(?P<X>[0-9.]*) Y(?P<Y>[0-9.]*).*')
G1Z_RE = re.compile('G[01] .*Z(?P<Z>[0-9.]*).*')
G1E_RE = re.compile('G[01] .*E(?P<E>[0-9.]*).*')
G1COLORS_RE = re.compile('G[01] .* c(?P<c>[0-9.]*) m(?P<m>[0-9.]*) y(?P<y>[0-9.]*) k(?P<k>[0-9.]*) w(?P<w>[0-9.]*)')

def getColumns(filename):
    xy_axis = ([], [])
    z_axis = ([],)
    e_axis = ([],)
    color_axis = ([], [], [], [], [])

    with open(filename, 'r') as f:
        for l in f:
            if l.startswith('G1'):
                m = G1XY_RE.match(l)
                if m:
                    x, y = m.groups()
                    xy_axis[0].append(float(x))
                    xy_axis[1].append(float(y))
                m = G1Z_RE.match(l)
                if m:
                    z = m.groups()[0]
                    z_axis[0].append(float(z))
                m = G1E_RE.match(l)
                if m:
                    e = m.groups()[0]
                    e_axis[0].append(float(e))
                m = G1COLORS_RE.match(l)
                if m:
                    colors = m.groups()
                    for i in range(0,5):
                        color_axis[i].append(colors[i])

    return xy_axis, z_axis, color_axis


def run(filename, opt):
    print("Parsing file...")
    g1xy, g1z, g1colors = getColumns(filename)

    print("Plotting...")
    if opt == 'colors':
        plt.plot(g1colors[0],label="C-Axis")
        plt.plot(g1colors[1],label="M-Axis")
        plt.plot(g1colors[2],label="Y-Axis")
        plt.plot(g1colors[3],label="K-Axis")
        plt.plot(g1colors[4],label="W-Axis")
        plt.show()
    elif opt == 'xy':
        plt.plot(g1xy[0],label="X-Axis")
        plt.plot(g1xy[1],label="Y-Axis")
        plt.show()
    elif opt == 'z':
        plt.plot(g1z[0],label="Z-Axis")
        plt.show()
    elif opt == 'e':
        plt.plot(g1e[0],label="E-Axis")
        plt.show()
    else:
        print("Usage: {} [xy|z|e|colors] filename".format(sys.argv[0]))
        sys.exit(2)

if __name__ == "__main__":
    if len(sys.argv) != 3:
        print("Usage: {} [xy|z|e|colors] filename".format(sys.argv[0]))
        sys.exit(1)

    run(sys.argv[2], sys.argv[1])

Thanks for the hint!! I will use your idea using mathplot in my project