[Geotools-gt2-users] problems with GML2.0 archives

[<av...@sa...>]

Ive been studying geotools2 for a few weeks and at this point
im lost about not sure yet about current support of geotools2 with GML2.0
archives.

This is the content of my gml2.0 archive:

<cityMember>
                <River>
                        <gml:description>The river that runs through Cambridge.</gml:description>
                        <gml:name>Cam</gml:name>
                        <gml:centerLineOf>

                                <gml:Point>
                                        <gml:coordinates>141.000000,-38.000000 </gml:coordinates>
                                </gml:Point>

                                <gml:LinearRing>
                                        <gml:coordinates>
                                                2,20 6,30 17,30 23,20 20,10 10,10 2,20
                                        </gml:coordinates>
                                </gml:LinearRing>

                                <gml:LineString gid="8" srsName="http://?/epsg.xml#ESPG:4326">
                                        <gml:coordinates>
                                                0,10 10,20 30,30
                                        </gml:coordinates>
                                </gml:LineString>

                                <gml:LineString srsName="http://www.opengis.net/gml/srs/epsg.xml#4326">
                                        <gml:coord>
                                                <gml:X>0</gml:X>
                                                <gml:Y>50</gml:Y>
                                        </gml:coord>
                                        <gml:coord>
                                                <gml:X>70</gml:X>
                                                <gml:Y>60</gml:Y>
                                        </gml:coord>
                                        <gml:coord>
                                                <gml:X>100</gml:X>
                                                <gml:Y>50</gml:Y>
                                        </gml:coord>
                                </gml:LineString>
                        </gml:centerLineOf>
                </River>
        </cityMember>


...and the thing is that even before trying to render the scene,
y code

                        DataSource ds = new GMLDataSource(url);
                        FeatureCollection featureCollection = ds.getFeatures(Query.ALL);
                        FeatureIterator features = featureCollection.features();
                        System.out.println("Got " + featureCollection.size() + " features");
                        while (features.hasNext()) {
                                System.out.println("feature is " + features.next());
                        }
                        System.out.println("\n");

obtaining this in the output console (<gml:coord> node dissapeared):

feature is Feature[ id=feature-31522607 , River/description=The river that runs through Cambridge. , River/name=Cam
, River/centerLineOf=POINT (141 -38) , River=LINESTRING (2 20, 6 30, 17 30, 23 20, 20 10, 10 10, 2 20) ,
geometry=LINESTRING (0 10, 10 20, 30 30) ]


...and with this code:

                        TestHandler contentHandler = new TestHandler();
                        GMLFilterGeometry geometryFilter = new GMLFilterGeometry(contentHandler);
                        GMLFilterDocument documentFilter = new GMLFilterDocument(geometryFilter);
                        XMLReader parser = XMLReaderFactory.createXMLReader("org.apache.xerces.parsers.SAXParser");
                        parser.setContentHandler(documentFilter);
                        parser.parse(gmlFile);

  i obtained the following output:

here is the geometry: POLYGON ((0 0, 0 -1, -1 -1, -1 0, 0 0))
here is the geometry: POINT (141 -38)
here is the geometry: LINESTRING (2 20, 6 30, 17 30, 23 20, 20 10, 10 10, 2 20)
here is the geometry: LINESTRING (0 10, 10 20, 30 30)


     ...missing the last LineString with the gml:coord node.

so.. im able to obtain features of gml1.0 archives, but, as i see in the FAQ about supporting
gml2.0 format, am i using something wrong?? wrong classes? im not
talking about render yet, at last there are something in geotools2
recognizing the GML2.0 format, at least recognize the geometrics
features(gml:coord, xsd, and so on)

thanks another time.




Alberto Vivar Guerra
Departamento de Sistemas de Negocio en Red
E-mail:   av...@sa...
Extensión: 51448



Alberto Vivar Guerra
Departamento de Sistemas de Negocio en Red
E-mail:   av...@sa...
Extensión: 51448

 
SATEC, S.A.
Avenida de Europa, 34 A
28023 Aravaca (Madrid)
Teléfono: +34 91 708 90 00
Fax     : +34 91 708 90 90


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