From ded15b0dd562d062b93d32a1d76e8e4c134890a8 Mon Sep 17 00:00:00 2001
From: Alvin Penner <penner@vaxxine.com>
Date: Mon, 16 Feb 2009 19:04:07 +0000
Subject: modify calculation of control arm length

(bzr r7304)
---
 share/extensions/cubicsuperpath.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/share/extensions/cubicsuperpath.py b/share/extensions/cubicsuperpath.py
index 8be2ad42c..ae9c308e1 100755
--- a/share/extensions/cubicsuperpath.py
+++ b/share/extensions/cubicsuperpath.py
@@ -76,7 +76,8 @@ def ArcToPath(p1,params):
     NbSectors=int(abs(start-end)*2/pi)+1
     dTeta=(end-start)/NbSectors
     #v=dTeta*2/pi*0.552
-    v=dTeta*2/pi*4*(sqrt(2)-1)/3
+    #v=dTeta*2/pi*4*(sqrt(2)-1)/3
+    v = 4*tan(dTeta/4)/3
     #if not sweepflag:
     #    v*=-1
     p=[]
-- 
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