[yt-svn] [yt_analysis/yt] Issue with HealpixCamera (issue #414)

[astrofrog]

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New issue 414: Issue with HealpixCamera
https://bitbucket.org/yt_analysis/yt/issue/414/issue-with-healpixcamera

astrofrog:

When trying to make an all-sky column density map following the example in the docs, I get an exception. My script is:

{{{
#!python

from yt.mods import load
import yt.visualization.volume_rendering.camera as camera

pf = load('models/plt01096')
Nside = 32
cam = camera.HEALpixCamera([0., 0., 0.], 0.2, Nside, pf=pf, log_fields=[False])
bitmap = cam.snapshot()

}}}

and the exception is

{{{
  File "allsky.py", line 7, in <module>
    bitmap = cam.snapshot()
  File "/Volumes/Raptor/Library/Python/2.7/lib/python/site-packages/yt-2.4dev-py2.7-macosx-10.7-x86_64.egg/yt/visualization/volume_rendering/camera.py", line 669, in snapshot
    self.volume.initialize_source()
  File "/Volumes/Raptor/Library/Python/2.7/lib/python/site-packages/yt-2.4dev-py2.7-macosx-10.7-x86_64.egg/yt/utilities/amr_kdtree/amr_kdtree.py", line 668, in initialize_source
    vcd = current_node.grid.get_vertex_centered_data(field,smoothed=True,no_ghost=self.no_ghost).astype('float64')
  File "/Volumes/Raptor/Library/Python/2.7/lib/python/site-packages/yt-2.4dev-py2.7-macosx-10.7-x86_64.egg/yt/data_objects/grid_patch.py", line 495, in get_vertex_centered_data
    na.add(new_field, cg[field][1: ,1: ,1: ], new_field)
ValueError: operands could not be broadcast together with shapes (25,25,25) (26,25,25) (25,25,25) 
}}}


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