[geos-devel] ST_Snap
Sandro Santilli
strk at keybit.net
Mon Mar 5 03:59:28 EST 2012
On Fri, Mar 02, 2012 at 07:20:55AM -0800, Martin Davis wrote:
>
>
> On 3/2/2012 12:46 AM, Sandro Santilli wrote:
> >
> >Snap-rounding assumes a fixed-point coordinate system. It's not
> >going to be able to handle datasets with huge variation in scale.
> >If instructed by user about the cell size it wouldn't need to assume
> >anything, right ? That'd probably be the aim.
> >
> cell size = fixed-precision coordinate system, right?
>
> Or am I not understanding your "cell size"?
Yes, by "cell-size" I mean a fixed-precision coordinate system.
--strk;
,------o-.
| __/ | Delivering high quality PostGIS 2.0 !
| / 2.0 | http://strk.keybit.net - http://vizzuality.com
`-o------'
More information about the geos-devel
mailing list