[postgis-users] GEOS union() error

[Lee Keel]

> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-
> bounces at postgis.refractions.net] On Behalf Of Paul Ramsey
> Sent: Tuesday, November 06, 2007 4:55 PM
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] GEOS union() error
> 
> Lee, what are you going to do with this beast once you have created it?
> P
> 
> On 6-Nov-07, at 10:41 AM, Lee Keel wrote:
> 


Paul,

My client needs this information to generate a shape file for "call before
you dig" information.  They are a gas company and they have to output this
information all the time, the problem for them is that it is becoming a full
time job to take a shape file, open it in Arcmap, do the buffering,
reproject the data and then save.  I told them that this could all be done
in one query in the spatial database that we were using.  But obviously, I
have run into some snags.

Also, to combine chains...  I did not use collect on the geometries column
and pass that to buffer because it is very explicit in the online help not
to pass GeometryCollection as argument to buffer.

Thanks for the responses.  I look forward to any more helpful ideas.
Lee
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