--- you can reply above this line --- New issue 526: Derived fields depending on user defined field parameter cannot be stored in GDF sidecar https://bitbucket.org/yt_analysis/yt/issue/526/derived-fields-depending-on-u... Kacper Kowalik: As reported by @mqk on [ml](http://lists.spacepope.org/pipermail/yt-users-spacepope.org/2013-March/00343...) it's currently impossible to save derived field that relies on user defined field parameter. -- This is an issue notification from bitbucket.org. You are receiving this either because you are the owner of the issue, or you are following the issue.