From: Markus Schaber <schabi@logix-tt.com>
Subject: [postgis-users] X() function working for POINTs and MULTIPOINTs
Date: Fri, 24 Mar 2006 15:45:25 +0100
Message-ID: <44240605.4020902@logix-tt.com> (raw)
In-Reply-To: <1142871193.441ed4991a425@web-mail2.uibk.ac.at>
References: <1142871193.441ed4991a425@web-mail2.uibk.ac.at>
Hi, Bernhard,
Bernhard Reimar Hoefle wrote:
> The PostGIS x() function does not support MULTIPOINTs and the geometryN() does
> not support POINTs.
>
> select x('MULTIPOINT(1 1 1,2 2 2)'::GEOMETRY);
> ERROR: Argument to X() must be a point
> ERROR: Argument to X() must be a point
You might want to write your own set returning plpgsql function. This
way, it is even possible that select your_x('MULTIPOINT(...)') returns
two rows, 1 and 2.
HTH,
Schabi
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org
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Subject: Re: [postgis-users] X() function working for POINTs and MULTIPOINTs
In-Reply-To: <44240605.4020902@logix-tt.com>
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