Hi Brett,
In AbstractGeometryTypeBinding:
public Object getProperty(Object object, QName name)
throws Exception {
Geometry geometry = (Geometry) object;
if ("srsName".equals(name.getLocalPart())) {
CoordinateReferenceSystem crs = GML3EncodingUtils.getCRS(geometry);
if (crs != null) {
return GML3EncodingUtils.toURI(crs);
}
}
if ("srsDimension".equals(name.getLocalPart())) {
CoordinateReferenceSystem crs = GML3EncodingUtils.getCRS(geometry);
if (crs != null) {
return crs.getCoordinateSystem().getDimension();
}
}
As you can see, it grabs the CRS from the geometry to encode both srsDimension
and srsName. Since srsDimension is encoded, the CRS object must be set (unless
the srsDimension is set from app-schema mapping file?).
You can start by looking at GML3EncodingUtils.toURI(), which traces down to
GML2EncodingUtils.epsgCode() where it could return null.
Cheers
Rini
From: siss-boun...@lists.csiro.au [mailto:siss-boun...@lists.csiro.au] On
Behalf Of Brett Walker
Sent: Friday, 1 June 2012 3:56 PM
To: geotools-devel@lists.sourceforge.net; s...@lists.csiro.au
Cc: Geoff Williams
Subject: [Siss] Missing srsName from geometry
Hi All,
I think that I have found a bug, perhaps in App-Schema, perhaps in the Postgres
DataStore, relating to the srsName attribute for GML Geometries.
I have a colleague who has generated a fragment of xml as follows:
<gml:Point srsDimension="2"
srsName="http://www.opengis.net/gml/srs/epsg.xml#4326";>
<gml:pos>148.9667 35.25</gml:pos>
</gml:Point>
My colleague is using Postgres 8.4 32-bit and PostGIS 1.5.3 32-bit on RHEL 5x
I am using the same App-Schema to build a complex WFS in Geoserver. I am using
Postgres v9.1.3 64-bit and PostGIS v2.0.0 64-bit on a Windows 7 64-bit system.
The fragment of xml I generate is:
<gml:Point srsDimension="2">
<gml:pos>148.9667 35.25</gml:pos>
</gml:Point>
I am seeing that the manner in which PostGIS deals with geometry metadata has
changed in my version of PostGIS. I have a feeling that this may be a bug
relating to how GeoTools interacts with PostGIS 2.0.0. I don't know where in
the code to confirm my suspicions. Any ideas to start looking?
Brett
Brett Walker <brett.wal...@geometryit.com<mailto:brett.wal...@geometryit.com>>
Software Developer / Analyst
Geometry Pty Ltd
Telephone 03 6223 1999
Mobile 0458 498 386
Fax 03 6223 1988
Web www.geometryit.com<http://www.geometryit.com/>
Address 31 Salamanca Square, Battery Point, TAS 7004,
Australia
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