[Debian-astro-commits] [gyoto] 83/221: exchange pitch and roll in gyoto_matte_paint

[Thibaut Jean-Claude Paumard]

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thibaut pushed a commit to branch master
in repository gyoto.

commit b708cf11be0d6bcf76d356ac824a90bb3e87a7d9
Author: Thibaut Paumard <paumard at users.sourceforge.net>
Date:   Tue Nov 4 19:32:01 2014 +0100

    exchange pitch and roll in gyoto_matte_paint
---
 yorick/gyoto.i | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/yorick/gyoto.i b/yorick/gyoto.i
index d187152..1dca40b 100644
--- a/yorick/gyoto.i
+++ b/yorick/gyoto.i
@@ -812,10 +812,10 @@ func gyoto_matte_paint(set, paint, kind=, yaw=, pitch=, roll=)
   // Then, apply each rotation in order.
   // yaw, about Z axis
   if (!is_void(yaw)) R = gyoto.rotation(3, yaw);
-  // pitch, about rotated Z axis
-  if (!is_void(pitch)) R = gyoto.rotation(1, pitch)(,+)*R(+,);
+  // pitch, about rotated Y axis
+  if (!is_void(pitch)) R = gyoto.rotation(2, pitch)(,+)*R(+,);
   // roll, about rotated X axis
-  if (!is_void(roll)) R = gyoto.rotation(2, roll)(,+)*R(+,);
+  if (!is_void(roll)) R = gyoto.rotation(1, roll)(,+)*R(+,);
   
   // Transform the photon's 4-velocity into Cartesian coordinates
   if (coordkind==gyoto.coordkind.spherical) {

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