[yt-svn] [yt_analysis/yt] Slices don't work with pfs created with load_uniform_grid when the active dimensions are not equal along the three axes (issue #470)

[John ZuHone]

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New issue 470: Slices don't work with pfs created with load_uniform_grid when the active dimensions are not equal along the three axes
https://bitbucket.org/yt_analysis/yt/issue/470/slices-dont-work-with-pfs-created-with

John ZuHone:

For me and @MatthewTurk to look at:

The following: 

magp = np.random.random((256,128,128))
data = {'MagneticEnergy': magp}
bbox = np.array([[-2.0,2.0],[-1.0,1.0],[0.0,1.0]])
pf = load_uniform_grid(data, magp.shape, 1.0,bbox=bbox)

slc = SlicePlot(pf, 2, ["MagneticEnergy"])
slc.set_log("MagneticEnergy", True)
slc.save()

Results in this:

Traceback (most recent call last):
  File "slices.py", line 23, in <module>
    slc = SlicePlot(pf, 2, ["MagneticEnergy"])
  File "/local/data/duce2/zuhone/src/yt/yt/visualization/plot_window.py", line 1062, in __init__
    slc = pf.h.slice(axis, center[axis], fields=fields)
  File "/local/data/duce2/zuhone/src/yt/yt/data_objects/data_containers.py", line 1045, in __init__
    self._refresh_data()
  File "/local/data/duce2/zuhone/src/yt/yt/data_objects/data_containers.py", line 316, in _refresh_data
    self.get_data()
  File "/local/data/duce2/zuhone/src/yt/yt/data_objects/data_containers.py", line 848, in get_data
    for grid in self._get_grids()]
  File "/local/data/duce2/zuhone/src/yt/yt/data_objects/data_containers.py", line 91, in save_state
    tr = func(self, grid, field, *args, **kwargs)
  File "/local/data/duce2/zuhone/src/yt/yt/data_objects/data_containers.py", line 1175, in _get_data_from_grid
    dataVals = dv.ravel()[mask.ravel() == 1]
ValueError: too many boolean indices

Responsible: jzuhone
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