[postgis-users] Problem with Z coordinate using postgis-jts

Mark Cave-Ayland mark.cave-ayland at siriusit.co.uk
Wed Mar 5 03:14:29 PST 2008


On Wednesday 05 March 2008 10:13:26 Fernando González wrote:
> Hi,
>
> I'm storing and reading some geometries from a postgis table. The table is
> 2D. I'm using a jar I have compiled with the "make postgis_jts" command. It
> works very well except for one thing. I write 2D JTS geometries, this is
> with the z component equal to NaN, into a postgis table but when I read
> them the Z coordinate is no longer equal to NaN but equal to 0. is this a
> feature? a bug?
>
> I'm using this code to read the geometry. To store them I use GeomFromText
> function and I specify only X-Y components for each coordinate (I'm not
> specifying the Z coordinate):
>
> JtsBinaryParser parser = new JtsBinaryParser();
> String bytes = rs.getString(fieldId);
> Geometry geom = parser.parse(bytes);
>
> is it clear? I can write some code to reproduce the problem if anyone is
> interested.
>
> Thanks in advance,
> Fernando


Hi Fernando,

Yes please. I may not be the person that eventually looks at this, however a 
reproducible test case is enormously helpful in cases like these.


ATB,

Mark.

-- 
Mark Cave-Ayland
Sirius Corporation - The Open Source Experts
http://www.siriusit.co.uk
T: +44 870 608 0063



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