[yt-svn] commit/yt: ngoldbaum: Merged in ngoldbaum/yt (pull request #2521)

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1 new commit in yt:

https://bitbucket.org/yt_analysis/yt/commits/0150f2960194/
Changeset:   0150f2960194
Branch:      yt
User:        ngoldbaum
Date:        2017-02-23 15:40:47+00:00
Summary:     Merged in ngoldbaum/yt (pull request #2521)

Ensure transparent volume rendering sources can be composited. Closes #1322

Approved-by: Matt Turk
Approved-by: Kacper Kowalik
Affected #:  2 files

diff -r ba64011e4b064b5d13a3a12e4fb64293ea5dfdab -r 0150f2960194e9f105f4ff8063cc6735d35f9431 yt/visualization/volume_rendering/scene.py
--- a/yt/visualization/volume_rendering/scene.py
+++ b/yt/visualization/volume_rendering/scene.py
@@ -501,6 +501,7 @@
 
         for k, source in self.transparent_sources:
             im = source.render(camera, zbuffer=opaque)
+            opaque.rgba = im
 
         return im
 

diff -r ba64011e4b064b5d13a3a12e4fb64293ea5dfdab -r 0150f2960194e9f105f4ff8063cc6735d35f9431 yt/visualization/volume_rendering/tests/test_vr_orientation.py
--- a/yt/visualization/volume_rendering/tests/test_vr_orientation.py
+++ b/yt/visualization/volume_rendering/tests/test_vr_orientation.py
@@ -31,6 +31,7 @@
     sc = Scene()
 
     vol = VolumeSource(ds, field=('gas', 'density'))
+    sc.add_source(vol)
 
     tf = vol.transfer_function
     tf = ColorTransferFunction((0.1, 1.0))
@@ -53,7 +54,6 @@
                                north_vector=[0., 0., 1.])
         cam.set_width(ds.domain_width*2.)
 
-        sc.add_source(vol)
         yield VRImageComparisonTest(
             sc, ds, '%s_%04d' % (lens_type, frame), decimals)

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

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