1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#Name: Pause at height
#Info: Pause the printer at a certain height
#Depend: GCode
#Type: postprocess
#Param: pauseLevel(float:5.0) Pause height (mm)
#Param: parkX(float:190) Head park X (mm)
#Param: parkY(float:190) Head park Y (mm)
#Param: retractAmount(float:5) Retraction amount (mm)
__copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
import re
def getValue(line, key, default = None):
if not key in line or (';' in line and line.find(key) > line.find(';')):
return default
subPart = line[line.find(key) + 1:]
m = re.search('^[0-9]+\.?[0-9]*', subPart)
if m is None:
return default
try:
return float(m.group(0))
except:
return default
with open(filename, "r") as f:
lines = f.readlines()
z = 0.
x = 0.
y = 0.
pauseState = 0
currentSectionType = 'STARTOFFILE'
with open(filename, "w") as f:
for line in lines:
if line.startswith(';'):
if line.startswith(';TYPE:'):
currentSectionType = line[6:].strip()
f.write(line)
continue
if getValue(line, 'G', None) == 1 or getValue(line, 'G', None) == 0:
newZ = getValue(line, 'Z', z)
x = getValue(line, 'X', x)
y = getValue(line, 'Y', y)
if newZ != z and currentSectionType != 'CUSTOM':
z = newZ
if z < pauseLevel and pauseState == 0:
pauseState = 1
if z >= pauseLevel and pauseState == 1:
pauseState = 2
f.write(";TYPE:CUSTOM\n")
#Retract
f.write("M83\n")
f.write("G1 E-%f F6000\n" % (retractAmount))
#Move the head away
f.write("G1 X%f Y%f F9000\n" % (parkX, parkY))
if z < 15:
f.write("G1 Z15 F300\n")
#Disable the E steppers
f.write("M84 E0\n")
#Wait till the user continues printing
f.write("M0\n")
#Push the filament back, and retract again, the properly primes the nozzle when changing filament.
f.write("G1 E%f F6000\n" % (retractAmount))
f.write("G1 E-%f F6000\n" % (retractAmount))
#Move the head back
if z < 15:
f.write("G1 Z%f F300\n" % (z+1))
f.write("G1 X%f Y%f F9000\n" % (x, y))
f.write("G1 E%f F6000\n" % (retractAmount))
f.write("G1 F9000\n")
f.write("M82\n")
f.write(line)
|
