I had the same issue recently and Matt dug out the links on how to use them:
and the followup:
On Mar 14, 2013, at 4:15 PM, Michael Kuhlen firstname.lastname@example.org wrote:
I'd like to try out the saving derived fields feature that was discussed here http://lists.spacepope.org/pipermail/yt-users-spacepope.org/2013-February/00...
Unfortunately the merge (PR #416) is one of the ones whose comments are lost because of a deleted repository. Could someone here explain how to use this functionality, i.e. how to save a derived field to disk by writing out a GDF file? Or point me to the place in the docs where this is discussed?
- Dr. Michael Kuhlen Theoretical Astrophysics Center *
- email: email@example.com UC Berkeley *
- cell phone: (831) 588-1468 B-116 Hearst Field Annex # 3411 *
- skype username: mikekuhlen Berkeley, CA 94720 *
yt-users mailing list firstname.lastname@example.org http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org