I think one feature is supposed to have only one geometry object. If you
want to represent multiple lines with a single geometry use
MultiLineString..
Cheers
2014-04-29 8:24 GMT-04:00 Elena Pop <elena0...@gmail.com>:
> Hello,
>
> I am working on a project that builds up a graph and due to some errors i
> am trying to visualize it.
>
> The code looks like this and apparently it is not working because i get
> this error "java.lang.ArrayIndexOutOfBoundsException: Can handle 1
> attributes only, index is 1" on line featureBuilder.add(line);
>
> networkGraph = featureGen.getGraph();
> MapContent content= new MapContent();
> content.setTitle("Graph map");
>
> StyleBuilder styleBuilder = new StyleBuilder();
> Style style =
> styleBuilder.createStyle(styleBuilder.createPointSymbolizer());
>
> SimpleFeatureTypeBuilder tbuild = new
> SimpleFeatureTypeBuilder();
> tbuild.setCRS(DefaultGeographicCRS.WGS84);
> tbuild.setName("Line");
> tbuild.add("Line", LineString.class);
> SimpleFeatureType type = tbuild.buildFeatureType();
> SimpleFeatureBuilder featureBuilder = new
> SimpleFeatureBuilder(type);
> GeometryFactory geometryFactory =
> JTSFactoryFinder.getGeometryFactory(null);
>
>
> Collection<org.geotools.graph.structure.Edge> edges =
> networkGraph.getEdges();
> for(org.geotools.graph.structure.Edge edge:edges){
> Point nA = (Point) edge.getNodeA().getObject();
> Point nB = (Point) edge.getNodeB().getObject();
>
> Coordinate c1 = new Coordinate(nA.getX(), nA.getY());
> Coordinate c2 = new Coordinate(nB.getX(), nB.getY());
>
> Coordinate[] coords = new Coordinate[] {c1, c2};
> com.vividsolutions.jts.geom.LineString line =
> geometryFactory.createLineString(coords);
> featureBuilder.add(line);
> //System.out.println( nA.getX()+ " "+nA.getY());
>
> }
>
> SimpleFeature feature = featureBuilder.buildFeature(null);
> DefaultFeatureCollection collection =new
> DefaultFeatureCollection();
> collection.add(feature);
> content.addLayer(new FeatureLayer(collection,
> (org.geotools.styling.Style) style));
>
> JMapFrame.showMap(content);
>
> I am still trying to get used to geotools, sorry if the question
> sounds stupid.
> Looking forward to your reply.
>
>
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--
Sasha
------------------------------------------------------------------------------
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unparalleled scalability from the best Selenium testing platform available.
Simple to use. Nothing to install. Get started now for free."
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