[yt-dev] Issue #1010: Covering Grid fails on fields requiring ValidateSpatial (yt_analysis/yt)

J.S. Oishi issues-reply at bitbucket.org
Tue Mar 31 13:58:44 PDT 2015


New issue 1010: Covering Grid fails on fields requiring ValidateSpatial
https://bitbucket.org/yt_analysis/yt/issue/1010/covering-grid-fails-on-fields-requiring

J.S. Oishi:

Attempting to access a field that requires derivatives in a Covering Grid gives the error below. I've attached a simple script that reproduces the problem with the MHDSloshing test dataset. It includes the field definitions.

```
#!python

    jj = data1['CurrentDensityMagnitude']
  File "/home/oishij/build/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 325, in __getitem__
    self.get_data(key)
  File "/home/oishij/build/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 3758, in get_data
    self._generate_field(field)
  File "/home/oishij/build/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 3789, in _generate_field
    self.pf.field_info[field].check_available(self)
  File "/home/oishij/build/yt-x86_64/src/yt-hg/yt/data_objects/field_info_container.py", line 356, in check_available
    validator(data)
  File "/home/oishij/build/yt-x86_64/src/yt-hg/yt/data_objects/field_info_container.py", line 486, in __call__
    raise NeedsGridType(self.ghost_zones,self.fields)
yt.data_objects.field_info_container.NeedsGridType: (1, ['Bx', 'By', 'Bz'])

```


Responsible: MatthewTurk
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