[yt-users] modify - radiation pressure

[Britton Smith]

Hi Libby,

If you use QuiverCallback, which would be p.modify["quiver"], you can
specify the fields for the x and y axes in the image plane.  The call is
p.modify["quiver"](field1, field2, factor), where factor controls the
scaling of the arrows.  If you want to see specifically how
p.modify["velocity"] works, check out VelocityCallback in
yt/visualization/plot_modifications.py.

Britton

On Mon, Feb 21, 2011 at 3:12 PM, Elizabeth Harper-Clark <
h-clark at astro.utoronto.ca> wrote:

> Hi all,
>
> I would like to plot radiation pressure vectors in the style of
> p.modify["velocity"](). Now, my radiation pressure acceleration is in my
> data as three baryon fields (they appear in pf.h.field_list) : RadAccel1,
> RadAccel2, RadAccel3 for the three spacial dimensions.
>
> Now I am embarrassed to admit I have not done much yt development in the
> past so I was hoping someone more familiar with the code could point me in
> the direction of where I can add code for this? I am hoping it will be as
> simple as finding all the places code exists for p.modify["velocity"]() and
> copy and paste it changing the fields used to the radiation pressure ones.
> Will it be? Where is the code for p.modify["velocity"]()? Are there any
> tricky bits I should be aware of?
>
> Many thanks,
>
> Libby
>
> --
> Elizabeth Harper-Clark MA MSci
> PhD Candidate, Canadian Institute for Theoretical Astrophysics, UofT
> Sciences and Engineering Coordinator, Teaching Assistants' Training
> Program, UofT
>
> www.astro.utoronto.ca/~h-clark <http://www.astro.utoronto.ca/%7Eh-clark>
> h-clark at cita.utoronto.ca
> Astronomy office phone: +1-416-978-5759
>
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>
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