[yt-svn] commit/yt: chummels: Merged in jisuoqing/yt (pull request #1736)

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1 new commit in yt:

https://bitbucket.org/yt_analysis/yt/commits/767fa44cb564/
Changeset:   767fa44cb564
Branch:      yt
User:        chummels
Date:        2015-09-21 18:47:39+00:00
Summary:     Merged in jisuoqing/yt (pull request #1736)

[BUGFIX] Change VR to RHS, fix #758
Affected #:  1 file

diff -r 08729e09892c5ead10240cc2f0ba1d064cffd127 -r 767fa44cb5642b05fcc67711f6a23d4e7255a441 yt/visualization/volume_rendering/render_source.py
--- a/yt/visualization/volume_rendering/render_source.py
+++ b/yt/visualization/volume_rendering/render_source.py
@@ -229,16 +229,20 @@
             total_cells += np.prod(brick.my_data[0].shape)
         mylog.debug("Done casting rays")
 
-        self.current_image = self.finalize_image(camera, self.sampler.aimage)
+        self.current_image = self.finalize_image(camera,
+                                                 self.sampler.aimage,
+                                                 call_from_VR=True)
         if zbuffer is None:
             self.zbuffer = ZBuffer(self.current_image,
                                    np.inf*np.ones(self.current_image.shape[:2]))
         return self.current_image
 
-    def finalize_image(self, camera, image):
+    def finalize_image(self, camera, image, call_from_VR=False):
         image = self.volume.reduce_tree_images(image,
                                                camera.lens.viewpoint)
         image.shape = camera.resolution[0], camera.resolution[1], 4
+        # If the call is from VR, the image is rotated by 180 to get correct up dir
+        if call_from_VR: image = np.rot90(image, k=2)
         if self.transfer_function.grey_opacity is False:
             image[:, :, 3] = 1.0
         return image

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

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