[yt-users] projection a rectangular region

[Matthew Turk]

Hi Christine,

I think is pretty simple to do, but ... it's completely non-obvious.
Mea culpa, a script should have gone into the cookbook with the very
first version of the cookbook.  I've *added* a recipe, which is
available here:

http://hg.enzotools.org/cookbook/file/tip/recipes/thin_slice_projection.py
http://hg.enzotools.org/cookbook/raw-file/tip/recipes/thin_slice_projection.py
(direct download link)

but it won't show up in the cookbook until I rebuild the docs next,
which I anticipate being sometime this week.

The idea behind the recipe is that projections can accept arbitrary
data sources, so one sets up a "region" (which is a rectangular prism)
and feeds that in as the source.  You can use the same method for
projecting spheres, clumps, extracted regions, etc etc.

Anyway, hope that helps -- and sorry it hasn't been in there yet.
This has been a common request...

-Matt

On Sun, Aug 8, 2010 at 8:41 PM, Christine Simpson
<csimpson at astro.columbia.edu> wrote:
> Hi all,
>
> This is a pretty simple question but one I've been trying to figure out for a while now.  I'd like to make some projections of a region that is not a perfect cube.  For instance, a case where the axis along which I'm projecting is shorter than the two axes parallel to the face of the projected image.  This functionality exists in the projection option built into enzo, but I'm trying to move away from this and do all my analysis in yt.  Is this really simple and obvious?
>
> Thanks for your help.
>
> Christine
>
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