[yt-svn] commit/yt: 4 new changesets

[commits-noreply at bitbucket.org]

4 new commits in yt:

https://bitbucket.org/yt_analysis/yt/commits/e9d7593b3dff/
Changeset:   e9d7593b3dff
Branch:      yt
User:        jisuoqing
Date:        2016-03-03 21:13:53+00:00
Summary:     Enforce length/width ratio of camera and image to be the same
Affected #:  1 file

diff -r 9321ff69146d0129738ece9ffc181212fb2c648f -r e9d7593b3dff15f83bd954d3a7dd834befeaf1d0 yt/visualization/volume_rendering/lens.py
--- a/yt/visualization/volume_rendering/lens.py
+++ b/yt/visualization/volume_rendering/lens.py
@@ -150,6 +150,10 @@
         return self.current_image
 
     def _get_sampler_params(self, camera, render_source):
+        # Enforce width[1] / width[0] = resolution[1] / resolution[0]
+        camera.width[1] = camera.width[0] \
+            * (1. * camera.resolution[1] / camera.resolution[0])
+
         if render_source.zbuffer is not None:
             image = render_source.zbuffer.rgba
         else:
@@ -272,9 +276,10 @@
         return self.current_image
 
     def _get_sampler_params(self, camera, render_source):
-        # We should move away from pre-generation of vectors like this and into
-        # the usage of on-the-fly generation in the VolumeIntegrator module
-        # We might have a different width and back_center
+        # Enforce width[1] / width[0] = 2 * resolution[1] / resolution[0]
+        camera.width[1] = camera.width[0] \
+            * (2. * camera.resolution[1] / camera.resolution[0])
+
         if self.disparity is None:
             self.disparity = camera.width[0] / 2.e3
 


https://bitbucket.org/yt_analysis/yt/commits/eaff358f9bb8/
Changeset:   eaff358f9bb8
Branch:      yt
User:        jisuoqing
Date:        2016-03-03 21:20:41+00:00
Summary:     The same thing for plane-parallel
Affected #:  1 file

diff -r e9d7593b3dff15f83bd954d3a7dd834befeaf1d0 -r eaff358f9bb8f9e8ee9a3f0859b2d6f1e198e348 yt/visualization/volume_rendering/lens.py
--- a/yt/visualization/volume_rendering/lens.py
+++ b/yt/visualization/volume_rendering/lens.py
@@ -89,6 +89,10 @@
         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] \
+            * (1. * camera.resolution[1] / camera.resolution[0])
+
         if render_source.zbuffer is not None:
             image = render_source.zbuffer.rgba
         else:


https://bitbucket.org/yt_analysis/yt/commits/360cadadc71a/
Changeset:   360cadadc71a
Branch:      yt
User:        jisuoqing
Date:        2016-03-04 00:10:40+00:00
Summary:     import division from future
Affected #:  1 file

diff -r eaff358f9bb8f9e8ee9a3f0859b2d6f1e198e348 -r 360cadadc71acb4fc7124999b31a05f8bea2f057 yt/visualization/volume_rendering/lens.py
--- a/yt/visualization/volume_rendering/lens.py
+++ b/yt/visualization/volume_rendering/lens.py
@@ -13,6 +13,7 @@
 # The full license is in the file COPYING.txt, distributed with this software.
 # ----------------------------------------------------------------------------
 
+from __future__ import division
 from yt.funcs import mylog
 from yt.utilities.parallel_tools.parallel_analysis_interface import \
     ParallelAnalysisInterface
@@ -91,7 +92,7 @@
     def _get_sampler_params(self, camera, render_source):
         # Enforce width[1] / width[0] = resolution[1] / resolution[0]
         camera.width[1] = camera.width[0] \
-            * (1. * camera.resolution[1] / camera.resolution[0])
+            * (camera.resolution[1] / camera.resolution[0])
 
         if render_source.zbuffer is not None:
             image = render_source.zbuffer.rgba
@@ -156,7 +157,7 @@
     def _get_sampler_params(self, camera, render_source):
         # Enforce width[1] / width[0] = resolution[1] / resolution[0]
         camera.width[1] = camera.width[0] \
-            * (1. * camera.resolution[1] / camera.resolution[0])
+            * (camera.resolution[1] / camera.resolution[0])
 
         if render_source.zbuffer is not None:
             image = render_source.zbuffer.rgba


https://bitbucket.org/yt_analysis/yt/commits/8bb44733b706/
Changeset:   8bb44733b706
Branch:      yt
User:        jisuoqing
Date:        2016-03-04 00:14:16+00:00
Summary:     Add comments
Affected #:  1 file

diff -r 360cadadc71acb4fc7124999b31a05f8bea2f057 -r 8bb44733b706b98bcab4d691ab4bc207e6424a12 yt/visualization/volume_rendering/lens.py
--- a/yt/visualization/volume_rendering/lens.py
+++ b/yt/visualization/volume_rendering/lens.py
@@ -282,6 +282,8 @@
 
     def _get_sampler_params(self, camera, render_source):
         # 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. * camera.resolution[1] / camera.resolution[0])

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

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