[yt-users] Light Cone + All Sky

Britton Smith brittonsmith at gmail.com
Sat Apr 28 10:58:40 PDT 2012


Hi Rick,

It looks to me like the HEALpix rendering works within the context of the
camera being somewhere inside the of the computational domain.  For a light
cone, it would need to be able to operate as it it were very far away from
the domain where the entire volume subtends a very small solid angle.  I'm
not sure this is possible in the current framework.  Can someone more
familiar with the HEALpix render comment on this?

Britton

On Sat, Apr 28, 2012 at 2:44 AM, Richard P Wagner <rpwagner at sdsc.edu> wrote:

> Hi,
>
> I'm looking at the light cone and all sky examples, and I'm wondering how
> much effort (in human units, not computer time) is required to produce an
> all sky map based on the "shift and stack" method used for light cone
> generation. Naively, the answer seems to be based on whether or not the
> light cone generator projection function could use the HEALpix camera.
>
> Is there a simple way to create an all sky map combining several data sets?
>
> Thanks,
> Rick
>
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