[yt-svn] commit/yt: chummels: Updating single dataset light ray cookbook recipe to use domain edges instead of assuming domain edges were unitary.

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1 new commit in yt:

https://bitbucket.org/yt_analysis/yt/commits/2d8f16030497/
Changeset:   2d8f16030497
Branch:      yt
User:        chummels
Date:        2016-07-22 23:27:27+00:00
Summary:     Updating single dataset light ray cookbook recipe to use domain edges instead of assuming domain edges were unitary.
Affected #:  1 file

diff -r 1b22ba1e477b01ab332741999a1ef5143eec00ce -r 2d8f160304978d5fe9836fa54c80db779bf92f8e doc/source/cookbook/single_dataset_light_ray.py
--- a/doc/source/cookbook/single_dataset_light_ray.py
+++ b/doc/source/cookbook/single_dataset_light_ray.py
@@ -8,9 +8,12 @@
 
 # With a single dataset, a start_position and
 # end_position or trajectory must be given.
-# Trajectory should be given as (r, theta, phi)
-lr.make_light_ray(start_position=[0., 0., 0.],
-                  end_position=[1., 1., 1.],
+# These positions can be defined as xyz coordinates,
+# but here we just use the two opposite corners of the 
+# simulation box.  Alternatively, trajectory should 
+# be given as (r, theta, phi)
+lr.make_light_ray(start_position=ds.domain_left_edge,
+                  end_position=ds.domain_right_edge,
                   solution_filename='lightraysolution.txt',
                   data_filename='lightray.h5',
                   fields=['temperature', 'density'])

Repository URL: https://bitbucket.org/yt_analysis/yt/

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