[Yt-dev] HaloProfiler vs. enzo_anyl

Britton Smith brittonsmith at gmail.com
Tue Apr 12 10:50:56 PDT 2011


Hi Rick, Cameron, everyone,

Cameron is correct.  I'm not suggesting any changes to Enzo.

Back before yt, enzo_anyl was used to make radial profiles of halos.  My
understanding is that it only works in serial and that it is relatively
difficult, or at least not straightforward, to add new fields for radial
profiles.

The HaloProfiler tool in yt makes radial profiles in the same way, only it
take user input to decide on what fields to profile.  It also can run in
parallel and do fixed resolution projections around each halo.  Personally,
I think this makes using the HaloProfiler a better choice moving forward.
However, I have heard suggestions that the HaloProfiler lacks some
functionality of enzo_anyl, preventing it from being a true replacement.  I
don't think enzo_anyl should be gotten rid of if people are still using it.
I just want to know what's missing so people who would like to use yt for
their enzo_anyl needs don't feel like they are losing functionality by
switching.

Britton

On Tue, Apr 12, 2011 at 1:36 PM, Cameron Hummels <
chummels at astro.columbia.edu> wrote:

> Rick,
>
> I don't think he's suggesting we change enzo.  I think he simply wants
> to know what functionality is lacking from yt's haloprofiler that
> enzoanyl currently has.  That said, I think when we get haloprofiler
> working up to spec with enzoanyl's capabilities, we should announce it
> to the enzo list, so people who use enzoanyl (there aren't many of us)
> will know that there is a better supported alternative in yt.
>
> Cameron
>
> On 04/12/2011 12:18 PM, Rick Wagner wrote:
> > Hi Britton,
> >
> > On Apr 12, 2011, at 9:04 AM, Britton Smith wrote:
> >
> >> Hey everyone,
> >>
> >> There is a fair amount of discussion about the HaloProfiler being a
> replacement for enzo_anyl.  I would definitely like to see this become
> official, since it seems to be keeping a number of people from making the
> switch to YT.  Can somebody outline the things that enzo_anyl does that the
> HaloProfiler cannot?  I have been under the impression that there wasn't
> anything, but I haven't used enzo_anyl in quite a while.
> > I think that the HaloProfiler could easily be wrapped to look at act just
> like enzo_anyl, which makes this an attractive choice. But, I would post
> this question also the enzo-dev mailing list, since you're asking about
> changing Enzo, not YT.
> >
> > --Rick
> >
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> >
>
> --
> Cameron Hummels
> PhD Candidate, Astronomy Department of Columbia University
> Public Outreach Director, Astronomy Department of Columbia University
> NASA IYA New York State Student Ambassador
> http://outreach.astro.columbia.edu
> PGP: 0x06F886E3
>
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