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allow negative values

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and some more comments
This commit is contained in:
Wurstnase 2015-03-16 14:26:59 +01:00
parent 76da32b567
commit 14f0250853
1 changed files with 25 additions and 12 deletions
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37
Marlin/scripts/g29_auto.py
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@ -12,15 +12,18 @@ my_file = 'test.gcode'
# this is the minimum of G1 instructions which should be between 2 different heights # this is the minimum of G1 instructions which should be between 2 different heights
min_g1 = 3 min_g1 = 3
# maximum number of lines to parse, I don't want to parse the complete file # maximum number of lines to parse, I don't want to parse the complete file
# only the first plane is we are interested in # only the first plane is we are interested in
max_g1 = 1000 max_g1 = 1000
# g29 keyword # g29 keyword
g29_keyword = ';MarlinG29Script' g29_keyword = 'g29'
g29_keyword = g29_keyword.upper()
# output filename # output filename
output_file = folder + 'g29_' + my_file output_file = folder + 'g29_' + my_file
# input filename
input_file = folder + my_file
# offset makes the plane a little bit bigger # offset makes the plane a little bit bigger
offset_x = 10 offset_x = 10
@ -40,10 +43,12 @@ lines_of_g1 = 0
gcode = [] gcode = []
# return only g1-lines
def has_g1(line): def has_g1(line):
return line[:2].upper() == "G1" return line[:2].upper() == "G1"
# find position in g1 (x,y,z)
def find_axis(line, axis): def find_axis(line, axis):
found = False found = False
number = "" number = ""
@ -51,6 +56,8 @@ def find_axis(line, axis):
if found: if found:
if char == ".": if char == ".":
number += char number += char
elif char == "-":
number += char
else: else:
try: try:
int(char) int(char)
@ -65,6 +72,7 @@ def find_axis(line, axis):
return None return None
# save the min or max-values for each axis
def set_mima(line): def set_mima(line):
global min_x, max_x, min_y, max_y, last_z global min_x, max_x, min_y, max_y, last_z
@ -81,6 +89,7 @@ def set_mima(line):
return min_x, max_x, min_y, max_y return min_x, max_x, min_y, max_y
# find z in the code and return it
def find_z(gcode, start_at_line=0): def find_z(gcode, start_at_line=0):
for i in range(start_at_line, len(gcode)): for i in range(start_at_line, len(gcode)):
my_z = find_axis(gcode[i], 'Z') my_z = find_axis(gcode[i], 'Z')
@ -104,27 +113,30 @@ def z_parse(gcode, start_at_line=0, end_at_line=0):
all_z.append(z) all_z.append(z)
z_at_line.append(i) z_at_line.append(i)
temp_line = i - last_i -1
line_between_z.append(i - last_i - 1) line_between_z.append(i - last_i - 1)
# last_z = z # last_z = z
last_i = i last_i = i
if 0 < end_at_line <= i: if 0 < end_at_line <= i or temp_line >= min_g1:
# print('break at line {} at heigth {}'.format(i, z))
break break
# print('{}:{}'.format(last_z, last_i))
line_between_z = line_between_z[1:] line_between_z = line_between_z[1:]
return all_z, line_between_z, z_at_line return all_z, line_between_z, z_at_line
# get the lines which should be the first layer
def get_lines(gcode, minimum): def get_lines(gcode, minimum):
i = 0 i = 0
all_z, line_between_z, z_at_line = z_parse(gcode, end_at_line=max_g1) all_z, line_between_z, z_at_line = z_parse(gcode, end_at_line=max_g1)
for count in line_between_z: for count in line_between_z:
i += 1 i += 1
if count > minimum: if count > minimum:
# print('layer: {}:{}'.format(z_at_line[i-1], z_at_line[i]))
return z_at_line[i - 1], z_at_line[i] return z_at_line[i - 1], z_at_line[i]
with open(folder+my_file, 'r') as file: with open(input_file, 'r') as file:
lines = 0 lines = 0
for line in file: for line in file:
lines += 1 lines += 1
@ -138,6 +150,8 @@ start, end = get_lines(gcode, min_g1)
for i in range(start, end): for i in range(start, end):
set_mima(gcode[i]) set_mima(gcode[i])
print('x_min:{} x_max:{}\ny_min:{} y_max:{}'.format(min_x, max_x, min_y, max_y))
min_x = int(min_x) - offset_x min_x = int(min_x) - offset_x
max_x = int(max_x) + offset_x max_x = int(max_x) + offset_x
min_y = int(min_y) - offset_y min_y = int(min_y) - offset_y
@ -149,18 +163,17 @@ new_command = 'G29 L{0} R{1} F{2} B{3} P{4}\n'.format(min_x,
max_y, max_y,
probing_points) probing_points)
out_file = open(output_file, 'w') out_file = open(output_file, 'w')
print('out_file open') in_file = open(input_file, 'r')
input_file = open(my_file, 'r')
print('input_file open')
for line in input_file: for line in in_file:
if line[:len(g29_keyword)] == g29_keyword: if line[:len(g29_keyword)].upper() == g29_keyword:
out_file.write(new_command) out_file.write(new_command)
print('write new_command') print('write G29')
else: else:
out_file.write(line) out_file.write(line)
file.close() file.close()
out_file.close() out_file.close()
print('auto G29 finished')