[yt-users] Radial Velocity Projection
John Regan
johnanthonyregan at gmail.com
Tue Nov 25 00:33:37 PST 2014
Hi All,
I need to set the "center" field parameter for making a projection of the
"radial_velocity".
I see from the docs how to do that for a data container but its not clear
what to do for a
projection.
The error I am getting at the moment when the "center" is not set is:
File
"/homeappl/home/regan/appl_taito/YT/Dev-3.0/yt/yt/data_objects/data_containers.py",
line 249, in __getitem__
self.get_data(f)
File
"/homeappl/home/regan/appl_taito/YT/Dev-3.0/yt/yt/data_objects/data_containers.py",
line 656, in get_data
finfo.check_available(self)
File
"/homeappl/home/regan/appl_taito/YT/Dev-3.0/yt/yt/fields/derived_field.py",
line 146, in check_available
validator(data)
File
"/homeappl/home/regan/appl_taito/YT/Dev-3.0/yt/yt/fields/derived_field.py",
line 235, in __call__
raise NeedsParameter(doesnt_have)
yt.fields.field_exceptions.NeedsParameter: (['center'])
Any tips much appreciated!
Cheers,
John
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