[yt-svn] New issue 325 in yt: Camera fails when normal_vector is in same direction as north_vector

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New issue 325: Camera fails when normal_vector is in same direction as north_vector
https://bitbucket.org/yt_analysis/yt/issue/325/camera-fails-when-normal_vector-is-in-same

Guillochon on Sat, 12 Nov 2011 01:38:33 +0100:

Description:
  Solution is to just have these two vectors in different directions, but it seems that the function should handle this situation more graceful. Here is the traceback:


{{{
#!python

Traceback (most recent call last):
  File "/share/work1/james/yt_scripts/volume.py", line 43, in <module>
    transfer_function=tf,pf=pf ,north_vector=up, no_ghost=False, sub_samples=10)
  File "/share/work1/james/local/yt-x86_64/src/yt-hg/yt/visualization/volume_rendering/camera.py", line 204, in __init__
    self._setup_normalized_vectors(normal_vector, north_vector)
  File "/share/work1/james/local/yt-x86_64/src/yt-hg/yt/visualization/volume_rendering/camera.py", line 250, in _setup_normalized_vectors
  File "/share/work1/james/local/yt-x86_64/lib/python2.7/site-packages/numpy/linalg/linalg.py", line 1546, in pinv
    transfer_function=tf,pf=pf ,north_vector=up, no_ghost=False, sub_samples=10)
}}}


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