From d667a0ff56c7edec93f6dd89be1755be1911620c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=A1clav=20=27Ax=27=20H=C5=AFla?= <axtheb@gmail.com>
Date: Fri, 1 Mar 2013 17:55:25 +0100
Subject: [PATCH] Fix filament measurement for relative extruders

---
 octoprint/util/gcodeInterpreter.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/octoprint/util/gcodeInterpreter.py b/octoprint/util/gcodeInterpreter.py
index f515c2b..e272a1f 100644
--- a/octoprint/util/gcodeInterpreter.py
+++ b/octoprint/util/gcodeInterpreter.py
@@ -159,8 +159,11 @@ class gcode(object):
 								moveType = 'extrude'
 							if e < 0:
 								moveType = 'retract'
-						totalExtrusion += e - currentE
-						currentE = e
+						if posAbsExtruder:
+							totalExtrusion += e - currentE
+							currentE = e
+						else:
+							totalExtrusion += e
 						if totalExtrusion > maxExtrusion:
 							maxExtrusion = totalExtrusion
 					if moveType == 'move' and oldPos.z != pos.z: