postgis_full_version
POSTGIS="1.3.3" GEOS="3.0.0-CAPI-1.4.1" PROJ="Rel. 4.6.0, 21 Dec 2007"
USE_STATS
----- Original Message -----
From: "Paul Ramsey" <[EMAIL PROTECTED]>
To: "PostGIS Users Discussion" <postgis-users@postgis.refractions.net>
Sent: Thursday, October 09, 2008 10:09 PM
Subject: Re: [postgis-users] TRANSFORM failures with some multiploygons -
datasample attached
I'm not seeing this problem on your polygon. What does
select postgis_full_version()
say?
On Thu, Oct 9, 2008 at 7:56 PM, <[EMAIL PROTECTED]> wrote:
Hi All,
In debugging the problem below, I found that TRANSFORM would fail with
some
of my city multipolygons.
I would think that the TRANSFORM function should be independent of the
shape
or complexity of the polygons or lines.
Attached is one of the city multipolygons that failed the TRANSFORM
function.
Thanks,
CYW
----- Original Message ----- From: <[EMAIL PROTECTED]>
To: "PostGIS Users Discussion" <postgis-users@postgis.refractions.net>
Sent: Thursday, October 09, 2008 8:13 PM
Subject: [postgis-users] transform - update lake
setthe_geom=transform(the_geom, 26971)
I have a table city which contains Multipolygons (SRID=4326) in latitude
and longitude. To project it to a plane coordinate (SRID=26971), I did:
update lake set the_geom=transform(the_geom, 26971);
It ran without any error. But some of the resulted values in the_geom
column became null or empty.
Any hitnts why it did this?
Before the transformation, I viewed the table with QuantumGIS, it looked
OK. Afterwards, QuantumGIS showed nothing.
Thanks,
CYW
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