Re: pgsphere

On Tue, 10 Jan 2012, Jan-Benedict Glaw wrote:

> On Sun, 2012-01-08 22:19:53 +0400, Oleg Bartunov <oleg@sai.msu.su> wrote:
>> pgsphere now could benefit very much from our KNNGiST feature. This is
>> number one development from my point of view. I and Teodor have no
>> time to work on pgsphere, sorry. But, there are some astronomers I'm working
>> with, who can take part in this. Sergey Karpov has done extensive benchmarks
>> of q3c, rtree and pgsphere and found the latter still has some benefits
>> in some workload, so we are interesting in development.
>
> Could the PostGIS stuff be abused for stellar coordinates?

There is no principal difference between celestial sphere and earth,
it's a matter of conversion between coordinates.
    Regards,        Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83