[yt-users] How ot overplot star particles on density projections

[Latif]

HI Matt,
Thank you for a prompt and precise response.
Cheers
Latif



On Thu, Jul 4, 2013 at 7:04 PM, Matthew Turk <matthewturk at gmail.com> wrote:

> Hi Latif,
>
> The callback you're looking for is "particles" and you can specify a
> "ptype" argument for specifying the type of particles.  (If you're
> using Enzo, this should be the number in the "particle_type" field you
> are selecting.)  Note also that annotate_particles accepts a width
> argument, in code units, which says how wide the selected region will
> be around the center of the slice or the center of the box for
> projections.  So if you are using a projection and you want the whole
> box, you can do 1.0/pf['unitary'] to get the full domain.
>
> Here is an example:
>
> s = SlicePlot(pf, "x", "Density")
> s.annotate_particles(1.0/pf['kpc'], p_size = 1.0, ptype = 1)
>
> which will choose particle_type = =1.
>
> -Matt
>
> On Thu, Jul 4, 2013 at 10:20 AM, Latif <latifne at gmail.com> wrote:
> > Hi all,
> > I want to overplot star particles on density projections/slices. It is
> > probably a very simple question but could not figure out how to do it.
>  Can
> > I also get information about their position and velocities as well?
> > thanks in advance,
> > Cheers
> > Latif
> >
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