[yt-users] need to set omega_baryon in yt-3
Brian O'Shea
bwoshea at gmail.com
Mon Aug 18 18:36:07 PDT 2014
er, sorry, hit send before I finished. Completed message is below!
Hi folks,
I am using yt-3, and attempting to make a ProjectionPlot of the derived
field 'baryon_overdensity' (using an Enzo dataset). The line in question is
this:
plot1 =
yt.ProjectionPlot(ds,'z',"baryon_overdensity",weight_field="baryon_overdensity",center=c,data_source=my_region)
(with c, my_region being previously defined). When I do this, it complains:
yt.fields.field_exceptions.NeedsParameter: (['omega_baryon'])
which certainly makes sense from a physical perspective, and which Enzo
doesn't natively carry around. I tried to set this by hand:
ds.parameters['omega_baryon'] = 0.046
which was done prior to calling yt.ProjectionPlots. This does not seem to
fix the problem. Any thoughts?
Thanks!
--Brian
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