Re: [udig-devel] how to create line Line2D teste = new Line2D.Double(new

[Joaquín Rodriguez-Guerra Urcelay <jrguerra@xxxxxxx>]

Hello Carlos,

I think you need to create a temporary layer to the map, and add the line to it. I did this last week, and I dont really know if is is the optimal way, but it worked.

Regards,

	private void AddTempLayer() {

		// obtain catalog or repository 
		ICatalog catalog = CatalogPlugin.getDefault().getLocalCatalog();

		// What we finally add to the map are geo resources (shapefile layer,
		// wms layer,...).
		// we store them here before adding them to the map.
		List<IGeoResource> dataHandles = new ArrayList<IGeoResource>();

		// TEMP LAYER

		// build feature type builder
		SimpleFeatureTypeBuilder builder = new SimpleFeatureTypeBuilder();
		builder.setName("Path");
		builder.setNamespaceURI("http://localhost/";);
		builder.setCRS(DefaultGeographicCRS.WGS84);
		// add attributes in order
		builder.add("Location", LineString.class);
		builder.add("ID", Integer.class);
		builder.add("Name", String.class);

		// build the type for the feature with attributes above
		final SimpleFeatureType FLAG = builder.buildFeatureType();

		// Create Feature (line)
		SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(FLAG);
		// Create feature spatial field
		GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
		WKTReader reader = new WKTReader(geometryFactory);
		LineString line=null;
		try {
			line = (LineString) reader.read("LINESTRING(0 2, 2 0, 8 6)");
		} catch (ParseException e2) {
			// TODO Auto-generated catch block
			e2.printStackTrace();
		}
		
		// add the attributes in order
		featureBuilder.add(line);
		featureBuilder.add(12);
		featureBuilder.add("My Name");

		// build the feature
		SimpleFeature feature = featureBuilder.buildFeature("Flag.12");

		// Create layer
		IGeoResource tempLayer = catalog.createTemporaryResource(FLAG);

		// Add feature to layer
		FeatureStore fs = null;
		try {
			fs = tempLayer.resolve(FeatureStore.class, null);
		} catch (IOException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		FeatureCollection features = FeatureCollections.newCollection();
		features.add(feature);
		try {
			fs.addFeatures(features);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		// add IGeoResource to data handles
		dataHandles.add(tempLayer);

		// Add geo resources list to the map
		if (!dataHandles.isEmpty()) {
			map.sendCommandASync(new AddLayersCommand(dataHandles));
		}
	}

Joaquín Rodríguez-Guerra Urcelay

Unidad de Sistemas de Procesamiento de Ciencia y de Observación de la Tierra / Science and Earth Observing Processing Systems Unit

GMV AEROSPACE AND DEFENCE, S.A.
Isaac Newton, 11
P.T.M. Tres Cantos
E-28760 Madrid
Tel. +34 91 807 21 00 / 7695
Fax +34 91 807 21 99
www.gmv.com

________________________________________
De: udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx [udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] En nombre de carlos henrique de souza junior [carlos.henrique.s.j@xxxxxxxxx]
Enviado el: miércoles, 09 de marzo de 2011 2:30
Para: udig-devel@xxxxxxxxxxxxxxxxxxxxx
Asunto: [udig-devel] how to create line Line2D teste = new Line2D.Double(new Double(e.x), new Double(e.y), e.x + 122, e.y + 15 ); TTTT = getContext().getDrawFactory() .createDrawShapeCommand(teste, Color.BLACK); TTTT.setStroke(133333, 0); //getContext().send

hello guys my name is carlos
I'm starting to uDig and am with some doubts
how do I create a line and put this information online, to appear in
the view INFORMATION?

I tried from a code I found the map but when I move the line does not
move and do not know how to add information in this line

I found the code and used DrawShapeCommand getContext

 Line2D teste = new Line2D.Double(new Double(e.x), new Double(e.y),
    e.x + 122, e.y + 15 );

  li = getContext().getDrawFactory()
    .createDrawShapeCommand(teste, Color.BLACK);


  li.setStroke(13, 0);


  getContext().sendSyncCommand(li);


could you inform me how this is done or direct me where to study on this?
_______________________________________________
User-friendly Desktop Internet GIS (uDig)
http://udig.refractions.net
http://lists.refractions.net/mailman/listinfo/udig-devel

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