Thread

  1. Re: pgsphere

    Oleg Bartunov <oleg@sai.msu.su> — 2012-01-10T20:43:25Z

    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