From: daid303 <daid303@gmail.com>
Date: Thu, 8 Nov 2012 07:21:54 +0000 (+0100)
Subject: Add pauze at height plugin.
X-Git-Tag: 13.03~204
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=c6a0fe7c4e5046154beda2e2e60fdf5a20b34f95;p=cura.git

Add pauze at height plugin.
---

diff --git a/Cura/plugins/pauseAtZ.py b/Cura/plugins/pauseAtZ.py
new file mode 100644
index 00000000..52d190a0
--- /dev/null
+++ b/Cura/plugins/pauseAtZ.py
@@ -0,0 +1,55 @@
+#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)
+
+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 == 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
+with open(filename, "w") as f:
+	for line in lines:
+		if getValue(line, 'G', None) == 1:
+			newZ = getValue(line, 'Z', z)
+			x = getValue(line, 'X', x)
+			y = getValue(line, 'Y', y)
+			if newZ != z:
+				z = newZ
+				if z < pauseLevel and pauseState == 0:
+					pauseState = 1
+				if z >= pauseLevel and pauseState == 1:
+					pauseState = 2
+					#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))
+					#Wait till the user continues printing
+					f.write("M0\n")
+					#Move the head back
+					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)