[postgis-users] GEOS union() error

Lee Keel lee.keel at uai.com
Wed Nov 7 11:30:57 PST 2007


> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-
> bounces at postgis.refractions.net] On Behalf Of Paul Ramsey
> Sent: Wednesday, November 07, 2007 11:35 AM
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] GEOS union() error
> 
> But doing
> 
> SELECT pipes.*
> FROM pipes
> WHERE
> ST_DWithin(pipes.the_geom, 'POINT()', 400)
> 
> is not an option?  Building a buffer to query a distance relation is
> bad practice.
> 
> P.
> 
[Lee Keel] 


Ha, don't I know how bad this is, but I haven't even given you the worse
parts of it.  Turns out the software they are using to view this enforces
many other RIDICULOUS restrictions.  ie.  File can't be more than 5MB, the
single multipart polygon in it cannot contain more than 10K points, and a
few other restrictions just as dumb.  Again, not something I wrote nor have
anything to do with.  I am just trying to make their life a little easier.
If I can create the reprojected, buffered shape file, then they can go in
and do whatever they want.

Anyway, I will try doing it in parts and see what I can come up with.
Thanks again for everyone's help.

-LK 
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