Hi Ben,
many thanks for your help!
1. Yes, we are using the JTS Geometry
and the encoding for e.g.
com.vividsolutions.jts.geom.Polygon polygon = (Polygon)geometry.getValue();
encoder.encode(polygone, new QName("http://www.opengis.net/gml";, "Polygon"),
out);
works fine.
2. Please, have a look at our schema Definition for the Geometry:
<xs:element minOccurs="0" name="Geometry"
type="ournamespace:LineString_Curve_MultiCurve_CompositeCurvePropertyType"/>
<xs:complexType name="LineString_Curve_MultiCurve_CompositeCurvePropertyType">
<xs:sequence>
<xs:choice>
<xs:element ref="gml:LineString"/>
<xs:element ref="gml:Curve"/>
<xs:element ref="gml:MultiCurve"/>
<xs:element ref="gml:CompositeCurve"/>
</xs:choice>
</xs:sequence>
</xs:complexType>
Thanks and regards,
Anna Pitaev
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-----Ursprüngliche Nachricht-----
Von: Ben Caradoc-Davies [mailto:ben.caradoc-dav...@csiro.au]
Gesendet: Di 17.11.2009 03:03
An: Pitaev, Anna
Cc: geotools-gt2-users@lists.sourceforge.net
Betreff: Re: [Geotools-gt2-users] GML Encoding problem
On 16/11/09 19:26, Pitaev, Anna wrote:
> we are using our own schema to define the geometry attributes and to encode it
> (using geotools 2.5.8) in this way:
> Configuration configuration = new ApplicationSchemaConfiguration(namespace,
> schema_location.toExternalForm());
> org.geotools.xml.Encoder encoder = new org.geotools.xml.Encoder(
> configuration );
> OutputStream out = new FileOutputStream(new File(path));
> encoder.encode(geometry, new QName( ourNamespace, "Geometry"), out);
> And getting the exception:
> Could not find elmeent declaration for:{ourNamespace}Geometry
Is {ourNamespace}Geometry defined as a top-level element in your schema?
What is the Java type of "geometry"? Is it a JTS geometry (a subclass of
com.vividsolutions.jts.geom.Geometry)? Can you encode it with (for example):
encoder.encode(geometry, GML.Point, out);
I do not think the encoder can encode arbitrary geometries, only a
subset those defined in GML (those implemented in JTS). I am still a
little unclear about what you are trying to do.
Note that your schema needs to conform to the GML encoding rules, and in
particular, you cannot have a geometry as a direct property of a
feature; you must have a property of gml:GeometryPropertyType that
encloses the geometry. I do not know if this is your problem.
> If we encode an instance of the featurecollection
> encoder.encode(featureCollection, new QName( ourNamespace,
> "FeatureCollection"), out);
> we get the warning:
> org.geotools.xml.impl.GetPropertyExecutor visit
> WARNING: org.geotools.feature.defaultfeaturecollect...@13c2ac3
> (org.geotools.feature.DefaultFeatureCollection) is not of type
> [Lorg.opengis.feature.simple.SimpleFeature;
This warning is known to be incorrect. Please ignore it.
http://jira.codehaus.org/browse/GEOT-2621
Kind regards,
--
Ben Caradoc-Davies <ben.caradoc-dav...@csiro.au>
Software Engineer, CSIRO Earth Science and Resource Engineering
Australian Resources Research Centre
26 Dick Perry Ave, Kensington WA 6151, Australia
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