[yt-svn] commit/yt: atmyers: Merged in jisuoqing/yt (pull request #2026)

[commits-noreply at bitbucket.org]

1 new commit in yt:

https://bitbucket.org/yt_analysis/yt/commits/ed7bdd893ca7/
Changeset:   ed7bdd893ca7
Branch:      yt
User:        atmyers
Date:        2016-03-09 17:35:18+00:00
Summary:     Merged in jisuoqing/yt (pull request #2026)

[bugfix] Fix incorrect opaque object scale/location due to image length-size auto-adjustment, fix #1181
Affected #:  1 file

diff -r 14b7d1b6b9060f8364cff88cc0f006a8c1a7e9e6 -r ed7bdd893ca7b317c12e02dbc915bb3840ba7320 yt/visualization/volume_rendering/lens.py
--- a/yt/visualization/volume_rendering/lens.py
+++ b/yt/visualization/volume_rendering/lens.py
@@ -91,10 +91,6 @@
         super(PlaneParallelLens, self).__init__()
 
     def _get_sampler_params(self, camera, render_source):
-        # Enforce width[1] / width[0] = resolution[1] / resolution[0]
-        camera.width[1] = camera.width[0] \
-            * (camera.resolution[1] / camera.resolution[0])
-
         if render_source.zbuffer is not None:
             image = render_source.zbuffer.rgba
         else:
@@ -235,6 +231,10 @@
     def project_to_plane(self, camera, pos, res=None):
         if res is None:
             res = camera.resolution
+
+        # Enforce width[1] / width[0] = resolution[1] / resolution[0]
+        camera.width[1] = camera.width[0] * (res[1] /res[0])
+
         sight_vector = pos - camera.position.d
         pos1 = sight_vector
         for i in range(0, sight_vector.shape[0]):
@@ -393,6 +393,11 @@
         if res is None:
             res = camera.resolution
 
+        # Enforce width[1] / width[0] = 2 * resolution[1] / resolution[0]
+        # For stereo-type lens, images for left and right eye are pasted together,
+        # so the resolution of single-eye image will be 50% of the whole one.
+        camera.width[1] = camera.width[0] * (2. * res[1] / res[0])
+
         if self.disparity is None:
             self.disparity = camera.width[0] / 2.e3

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

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