Add pauze at height plugin.

diff --git a/Cura/plugins/pauseAtZ.py b/Cura/plugins/pauseAtZ.py
new file mode 100644 (file)
index 0000000..52d190a
--- /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)