From d045b4e5e53daf45808a65f8811a1c6fbf7ecc98 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ian@davenant.greenend.org.uk>
Date: Tue, 21 Oct 2008 01:00:19 +0100
Subject: [PATCH] get rim twist right

---
 energy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/energy.c b/energy.c
index 2f8a854..aa2dd47 100644
--- a/energy.c
+++ b/energy.c
@@ -516,7 +516,7 @@ void compute_rim_twist_angles(const Vertices vertices, int section) {
     /* we are interested in the angle subtended at the rim, from the
      * rim's point of view. */
     K distance[k]= vertices[v][k] - oncircle[k];
-    double distance_positive_z= distance[3];
+    double distance_positive_z= distance[2];
     double distance_radial_outwards= dotprod(distance, oncircle);
     rim_vertex_angles[v]= atan2(distance_positive_z, distance_radial_outwards);
   }
-- 
2.30.2