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changeset 16754:022dba56de1e

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eliminate unnecessary normalisation of view vector in surfl (bug #39241) * surfl.m: Don't normalize view vector.
author Andreas Weber <andy.weber.aw@googlemail.com>
date Wed, 12 Jun 2013 10:03:50 -0400
parents f8f35ddc49a2
children 787168f5f858
files scripts/plot/surfl.m
diffstat 1 files changed, 1 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/plot/surfl.m	Wed Jun 12 09:58:28 2013 -0400
+++ b/scripts/plot/surfl.m	Wed Jun 12 10:03:50 2013 -0400
@@ -131,8 +131,7 @@
     ## Get view vector (vv).
     a = axis;
     [az, el] = view;
-    [vv(1), vv(2), vv(3)] = sph2cart ((az - 90) * pi/180.0, el * pi/180.0, 1.0);
-    vv /= norm (vv);
+    vv = sph2cart ((az - 90) * pi/180.0, el * pi/180.0, 1.0);
 
     if (!have_lv)
       ## Calculate light vector (lv) from view vector.