Examples with VectorLayerOptions ol.layer.VectorLayerOptions used on opensource projects

Example 6 with VectorLayerOptions

use of ol.layer.VectorLayerOptions in project gwt-ol3 by TDesjardins.

the class WfsExample method show.

/* (non-Javadoc)
     * @see de.desjardins.ol3.demo.client.example.Example#show()
     */
@Override
public void show(String exampleId) {
    // create a vector layer
    Vector vectorSource = new Vector();
    VectorLayerOptions vectorLayerOptions = new VectorLayerOptions();
    vectorLayerOptions.setSource(vectorSource);
    ol.layer.Vector wfsLayer = new ol.layer.Vector(vectorLayerOptions);
    // create a view
    View view = new View();
    Coordinate centerCoordinate = new Coordinate(-8908887.277395891, 5381918.072437216);
    view.setCenter(centerCoordinate);
    view.setZoom(12);
    view.setMaxZoom(19);
    // create the map
    MapOptions mapOptions = OLFactory.createOptions();
    mapOptions.setTarget(exampleId);
    mapOptions.setView(view);
    Map map = new Map(mapOptions);
    map.addLayer(DemoUtils.createOsmLayer());
    map.addLayer(wfsLayer);
    Wfs wfs = new Wfs();
    WfsWriteFeatureOptions wfsWriteFeatureOptions = new WfsWriteFeatureOptions();
    String[] featureTypes = { "water_areas" };
    wfsWriteFeatureOptions.setSrsName("EPSG:3857");
    wfsWriteFeatureOptions.setFeaturePrefix("osm");
    wfsWriteFeatureOptions.setFeatureNS("http://openstreemap.org");
    wfsWriteFeatureOptions.setFeatureTypes(featureTypes);
    // set a filter
    wfsWriteFeatureOptions.setFilter(new IsLike("name", "Mississippi*"));
    wfsWriteFeatureOptions.setOutputFormat("application/json");
    // create WFS-XML node
    Node wfsNode = wfs.writeGetFeature(wfsWriteFeatureOptions);
    RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.POST, "https://ahocevar.com/geoserver/wfs");
    requestBuilder.setRequestData(new XMLSerializer().serializeToString(wfsNode));
    requestBuilder.setCallback(new RequestCallback() {

        @Override
        public void onResponseReceived(com.google.gwt.http.client.Request request, Response response) {
            GeoJson geoJson = new GeoJson();
            Feature[] features = geoJson.readFeatures(response.getText());
            vectorSource.addFeatures(features);
            map.getView().fit(vectorSource.getExtent());
        }

        @Override
        public void onError(com.google.gwt.http.client.Request request, Throwable exception) {
            Window.alert(exception.getMessage());
        }
    });
    try {
        requestBuilder.send();
    } catch (RequestException e) {
        Window.alert(e.getMessage());
    }
}

Example 7 with VectorLayerOptions

use of ol.layer.VectorLayerOptions in project gwt-ol3 by TDesjardins.

the class ClusterExample method show.

/* (non-Javadoc)
     * @see de.desjardins.ol3.demo.client.example.Example#show() */
@Override
public void show(String exampleId) {
    Collection<Feature> features = new Collection<Feature>();
    int e = 450000;
    for (int i = 0; i < 20000; ++i) {
        // create a point
        Coordinate coordinate = new Coordinate(2 * e * Math.random() - e, 2 * e * Math.random() - e);
        Point point = new Point(coordinate);
        // create feature
        FeatureOptions featureOptions = new FeatureOptions();
        featureOptions.setGeometry(point);
        Feature feature = new Feature(featureOptions);
        features.push(feature);
    }
    // create source
    VectorOptions vectorSourceOptions = new VectorOptions();
    vectorSourceOptions.setFeatures(features);
    Vector vectorSource = new Vector(vectorSourceOptions);
    // create clustering
    ClusterOptions clusterOptions = new ClusterOptions();
    clusterOptions.setDistance(40);
    clusterOptions.setSource(vectorSource);
    Cluster clusterSource = new Cluster(clusterOptions);
    // create vector layer
    VectorLayerOptions vectorLayerOptions = new VectorLayerOptions();
    vectorLayerOptions.setSource(clusterSource);
    vectorLayerOptions.setStyle(new GenericFunction<Feature, Style[]>() {

        @Override
        public Style[] call(Feature cluster) {
            // create style
            List<Style> style = new ArrayList<>();
            Feature[] features = (Feature[]) cluster.get("features");
            int clusterSize = features.length;
            StyleOptions styleOptions = new StyleOptions();
            TextOptions textOptions = new TextOptions();
            textOptions.setText(String.valueOf(clusterSize));
            styleOptions.setText(new Text(textOptions));
            CircleOptions circleOptions = new CircleOptions();
            circleOptions.setRadius(10);
            Color color = Color.getColorFromString("#3399CC");
            circleOptions.setFill(OLFactory.createFill(color));
            styleOptions.setImage(new Circle(circleOptions));
            style.add(new Style(styleOptions));
            return style.toArray(new Style[0]);
        }
    });
    ol.layer.Vector vectorLayer = new ol.layer.Vector(vectorLayerOptions);
    // create a OSM-layer
    XyzOptions osmSourceOptions = new XyzOptions();
    Osm osmSource = new Osm(osmSourceOptions);
    LayerOptions osmLayerOptions = new LayerOptions();
    osmLayerOptions.setSource(osmSource);
    Tile osmLayer = new Tile(osmLayerOptions);
    // create a view
    View view = new View();
    Coordinate centerCoordinate = new Coordinate(0, 0);
    view.setCenter(centerCoordinate);
    view.setZoom(2);
    // create the map
    MapOptions mapOptions = new MapOptions();
    mapOptions.setTarget(exampleId);
    mapOptions.setView(view);
    Collection<Base> lstLayer = new Collection<Base>();
    lstLayer.push(osmLayer);
    lstLayer.push(vectorLayer);
    mapOptions.setLayers(lstLayer);
    Map map = new Map(mapOptions);
    // add some controls
    map.addControl(new ScaleLine());
    DemoUtils.addDefaultControls(map.getControls());
    // add some interactions
    map.addInteraction(new KeyboardPan());
    map.addInteraction(new KeyboardZoom());
    map.addControl(new Rotate());
}

Example 8 with VectorLayerOptions

use of ol.layer.VectorLayerOptions in project gwt-ol3 by TDesjardins.

the class GpxExample method show.

/* (non-Javadoc)
     * @see de.desjardins.ol3.demo.client.example.Example#show()
     */
@Override
public void show(String exampleId) {
    // create a OSM-layer
    Osm osmSource = new Osm();
    LayerOptions osmLayerOptions = OLFactory.createOptions();
    osmLayerOptions.setSource(osmSource);
    Tile osmLayer = new Tile(osmLayerOptions);
    // create a GPX vector layer
    VectorOptions vectorOptions = new VectorOptions();
    vectorOptions.setUrl("https://openlayers.org/en/v4.6.4/examples/data/gpx/fells_loop.gpx");
    vectorOptions.setFormat(new Gpx());
    ol.source.Vector vectorSource = new ol.source.Vector(vectorOptions);
    VectorLayerOptions vectorLayerOptions = new VectorLayerOptions();
    vectorLayerOptions.setSource(vectorSource);
    ol.layer.Vector gpxLayer = new ol.layer.Vector(vectorLayerOptions);
    // create a view
    View view = new View();
    Coordinate center = new Coordinate(-7916041.528716288, 5228379.045749711);
    view.setCenter(center);
    view.setZoom(12);
    // create the map
    MapOptions mapOptions = OLFactory.createOptions();
    mapOptions.setTarget(exampleId);
    mapOptions.setView(view);
    Map map = new Map(mapOptions);
    map.addLayer(osmLayer);
    map.addLayer(gpxLayer);
    // add some controls
    map.addControl(new ScaleLine());
    DemoUtils.addDefaultControls(map.getControls());
    Attribution attribution = new Attribution();
    attribution.setCollapsed(true);
    map.addControl(attribution);
    // add some interactions
    map.addInteraction(new KeyboardPan());
    map.addInteraction(new KeyboardZoom());
}