From: Clinton Ebadi <clinton@unknownlamer.org>
Date: Sun, 14 Aug 2016 00:50:55 +0000 (-0400)
Subject: initial import of upstream cura dual temp plugin
X-Git-Url: http://git.hcoop.net/clinton/3d-models.git/commitdiff_plain/c7006aad4037a607f719738276d573bff3e4dfae

initial import of upstream cura dual temp plugin

https://ultimaker.com/en/community/10405-ooze-from-inactive-2nd-extruder-destroying-my-prints
---

diff --git a/cura/dual_temp_lower.py b/cura/dual_temp_lower.py
new file mode 100644
index 0000000..05cf520
--- /dev/null
+++ b/cura/dual_temp_lower.py
@@ -0,0 +1,96 @@
+#Name: Dual Temp Test
+#Info: Lower the temperature for the nozzle that is not printing
+#Depend: GCode
+#Type: postprocess
+#Param: printTemperature(float:220.0) Print temperature (C)
+#Param: coolTemperature(float:170.0) Cool nozzle temperature (C)
+#Param: heatupTimeDelay(float:20.0) Heatup nozzle before use (sec)
+
+__copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
+import re
+import math
+
+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.
+e = 0.
+feedrate = 5000
+currentSectionType = 'CUSTOM'
+activeExtruder = -1
+with open(filename, "w") as f:
+	startIdx = 0
+	idx = 0
+	while idx < len(lines):
+		line = lines[idx]
+		if getValue(line, 'T', None) is not None and getValue(line, 'M', None) is None:
+			nextExtruder = getValue(line, 'T', None)
+			printTime = 0.0
+			sx = x
+			sy = y
+			sz = z
+			for n in xrange(startIdx, idx):
+				line = lines[n]
+				if line.startswith(';'):
+					continue
+				g = getValue(line, 'G', None)
+				if g == 0 or g == 1:
+					nx = getValue(line, 'X', x)
+					ny = getValue(line, 'Y', y)
+					nz = getValue(line, 'Z', z)
+					feedrate = getValue(line, 'F', feedrate)
+					printTime += math.sqrt((nx-x)*(nx-x)+(ny-y)*(ny-y)+(nz-z)*(nz-z)) / feedrate * 60
+					x = nx
+					y = ny
+					z = nz
+			heatupTime = printTime - heatupTimeDelay
+			x = sx
+			y = sy
+			z = sz
+			if heatupTime > 0.0:
+				f.write("M104 T%d S%d\n" % (nextExtruder, coolTemperature))
+				f.write("T%d\n" % (activeExtruder))
+			else:
+				heatupTime = None
+			printTime = 0.0
+			for n in xrange(startIdx, idx):
+				line = lines[n]
+				if line.startswith(';'):
+					f.write(line)
+					continue
+				if heatupTime is not None:
+					g = getValue(line, 'G', None)
+					if g == 0 or g == 1:
+						nx = getValue(line, 'X', x)
+						ny = getValue(line, 'Y', y)
+						nz = getValue(line, 'Z', z)
+						feedrate = getValue(line, 'F', feedrate)
+						printTime += math.sqrt((nx-x)*(nx-x)+(ny-y)*(ny-y)+(nz-z)*(nz-z)) / feedrate * 60
+						if printTime > heatupTime:
+							f.write("M104 T%d S%d\n" % (nextExtruder, printTemperature))
+							f.write("T%d\n" % (activeExtruder))
+							heatupTime = None
+						x = nx
+						y = ny
+						z = nz
+				f.write(line)
+			f.write(lines[idx])
+			startIdx = idx + 1
+			activeExtruder = nextExtruder
+		idx += 1
+	for n in xrange(startIdx, idx):
+		f.write(lines[n])