[yt-users] How to take log of a user defined field ?
Reju Sam John
rejusamjohn at gmail.com
Tue Aug 18 01:18:24 PDT 2015
Hi,
I have a user defined field with the following definition.
def _epsilon(field, data):
return (4.0/3.0)*(data['vShock']/data["VelocityMagnitude"])
add_field("epsilon", function=_epsilon, take_log=False, units=r" " )
Now I would like take ln(1 + data["epsilon"]). I am trying with the
following definition. Is this the correct way of doing this ?
def _lnepsilon(field, data):
return 1 + data["epsilon"]
add_field("lnepsilon", function=_lnepsilon, *take_log=True*, units=r" " )
Thank you
--
Reju Sam John
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