Examples with Map ol.Map used on opensource projects

Example 6 with Map

use of ol.Map in project gwt-ol3 by TDesjardins.

the class SelectFeaturesExample method show.

/* (non-Javadoc)
     * @see de.desjardins.ol3.demo.client.example.Example#show() */
@Override
public void show(String exampleId) {
    Coordinate centerCoordinate = new Coordinate(13.37, 52.52);
    Coordinate transformedMidPoint = Projection.transform(centerCoordinate, DemoConstants.EPSG_4326, DemoConstants.EPSG_3857);
    // create a polygon
    Polygon polygon = DemoUtils.createTestPolygon();
    // create a feature
    FeatureOptions featureOptions = OLFactory.createOptions();
    // TODO Setter for ID seems to doesn't have an effect in feature options.
    // featureOptions.setId("g1");
    featureOptions.setGeometry(polygon);
    Feature feature = new Feature(featureOptions);
    feature.setId("g1");
    feature.set("name", "triangle");
    // create another feature via cloning
    Feature feature2 = feature.clone();
    feature2.setId("g2");
    feature2.getGeometry().rotate(180, transformedMidPoint);
    Collection<Feature> lstFeatures = new Collection<Feature>();
    lstFeatures.push(feature);
    lstFeatures.push(feature2);
    VectorOptions vectorSourceOptions = OLFactory.createOptions();
    vectorSourceOptions.setFeatures(lstFeatures);
    Vector vectorSource = new Vector(vectorSourceOptions);
    VectorLayerOptions vectorLayerOptions = OLFactory.createOptions();
    vectorLayerOptions.setSource(vectorSource);
    ol.layer.Vector vectorLayer = new ol.layer.Vector(vectorLayerOptions);
    // create an OSM-layer
    XyzOptions osmSourceOptions = OLFactory.createOptions();
    Osm osmSource = new Osm(osmSourceOptions);
    LayerOptions osmLayerOptions = OLFactory.createOptions();
    osmLayerOptions.setSource(osmSource);
    Tile osmLayer = new Tile(osmLayerOptions);
    // create a view
    View view = new View();
    view.setCenter(transformedMidPoint);
    view.setZoom(14);
    // create the map
    MapOptions mapOptions = OLFactory.createOptions();
    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());
    MousePositionOptions mousePositionOptions = OLFactory.createOptions();
    ProjectionOptions projectionOptions = OLFactory.createOptions();
    projectionOptions.setCode(DemoConstants.EPSG_4326);
    mousePositionOptions.setProjection(new Projection(projectionOptions));
    MousePosition mousePosition = new MousePosition(mousePositionOptions);
    mousePosition.setCoordinateFormat(Coordinate.createStringXY(5));
    map.addControl(mousePosition);
    SelectOptions selectOptions = new SelectOptions();
    selectOptions.setCondition(Condition.getClick());
    // create a select interaction
    final Select selectFeature = new Select(selectOptions);
    map.addInteraction(selectFeature);
    selectFeature.on("select", (event) -> {
        Collection<Feature> selectedFeatures = selectFeature.getFeatures();
        if (selectedFeatures.getLength() > 0) {
            Feature selectedFeature = selectedFeatures.item(0);
            String output = "You selected feature with id '" + selectedFeature.getId() + "'" + " and name '" + selectedFeature.get("name") + "'" + " and geometry name '" + selectedFeature.getGeometryName() + "'" + ".";
            Window.alert(output);
        }
    });
}

Example 7 with Map

use of ol.Map in project gwt-ol3 by TDesjardins.

the class TileExample method show.

/* (non-Javadoc)
     * @see de.desjardins.ol3.demo.client.example.Example#show()
     */
@Override
public void show(String exampleId) {
    LayerOptions stamenLayerOptions = OLFactory.createOptions();
    // create a Stamen-layer
    StamenOptions stamenOptions = OLFactory.createOptions();
    stamenOptions.setLayer("watercolor");
    Stamen stamenSource = new Stamen(stamenOptions);
    stamenLayerOptions.setSource(stamenSource);
    Tile stamenLayer = new Tile(stamenLayerOptions);
    // create a view
    View view = new View();
    Coordinate centerCoordinate = OLFactory.createCoordinate(1490463, 6894388);
    view.setCenter(centerCoordinate);
    view.setZoom(10);
    // create the map
    MapOptions mapOptions = OLFactory.createOptions();
    mapOptions.setTarget(exampleId);
    mapOptions.setView(view);
    Map map = new Map(mapOptions);
    stamenLayer.setOpacity(0.5f);
    // 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());
    DragAndDrop dragAndDrop = new DragAndDrop();
    map.addInteraction(dragAndDrop);
    EventListener<DragAndDrop.Event> eventListener = new EventListener<DragAndDrop.Event>() {

        @Override
        public void onEvent(DragAndDrop.Event event) {
            Window.alert(String.valueOf(event.getFeatures().length));
            Window.alert(event.getProjection().getUnits());
            Window.alert(String.valueOf(event.getProjection().getMetersPerUnit()));
        }
    };
    dragAndDrop.on("addfeatures", eventListener);
    map.addControl(new Rotate());
    map.getLayers().push(stamenLayer);
}

Example 8 with Map

use of ol.Map in project gwt-ol3 by TDesjardins.

the class TileWmsExample method show.

/*
	 * (non-Javadoc)
	 * 
	 * @see de.desjardins.ol3.demo.client.example.Example#show()
	 */
@Override
public void show(String exampleId) {
    TileWmsParams params = new TileWmsParams();
    params.setLayers("topp:states");
    params.setTiled(true);
    TileWmsOptions options = new TileWmsOptions();
    options.setUrl("https://ahocevar.com/geoserver/wms");
    options.setParams(params);
    options.setServerType(WmsServerType.GEOSERVER);
    TileWms source = new TileWms(options);
    Extent extent = new Extent(-13884991, 2870341, -7455066, 6338219);
    Tile layer = new Tile();
    layer.setExtent(extent);
    layer.setSource(source);
    Coordinate centerCoordinate = new Coordinate(-10997148, 4569099);
    View view = new View();
    view.setCenter(centerCoordinate);
    view.setZoom(4);
    // create the map
    MapOptions mapOptions = new MapOptions();
    mapOptions.setTarget(exampleId);
    mapOptions.setView(view);
    Map map = new Map(mapOptions);
    map.addLayer(layer);
    // 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 9 with Map

use of ol.Map in project gwt-ol3 by TDesjardins.

the class WmsExample method show.

/* (non-Javadoc)
     * @see de.desjardins.ol3.demo.client.example.Example#show()
     */
@Override
public void show(String exampleId) {
    ImageWmsParams imageWMSParams = OLFactory.createOptions();
    imageWMSParams.setLayers("ch.swisstopo.geologie-geotechnik-gk500-gesteinsklassierung,ch.bafu.schutzgebiete-paerke_nationaler_bedeutung");
    ImageWmsOptions imageWMSOptions = OLFactory.createOptions();
    imageWMSOptions.setUrl("http://wms.geo.admin.ch/");
    imageWMSOptions.setParams(imageWMSParams);
    imageWMSOptions.setRatio(1.5f);
    ImageWms imageWMSSource = new ImageWms(imageWMSOptions);
    LayerOptions layerOptions = OLFactory.createOptions();
    layerOptions.setSource(imageWMSSource);
    Image wmsLayer = new Image(layerOptions);
    // create a projection
    ProjectionOptions projectionOptions = OLFactory.createOptions();
    projectionOptions.setCode("EPSG:21781");
    projectionOptions.setUnits("m");
    Projection projection = new Projection(projectionOptions);
    // create a view
    ViewOptions viewOptions = OLFactory.createOptions();
    viewOptions.setProjection(projection);
    View view = new View(viewOptions);
    Coordinate centerCoordinate = new Coordinate(660000, 190000);
    view.setCenter(centerCoordinate);
    view.setZoom(9);
    // create the map
    MapOptions mapOptions = OLFactory.createOptions();
    mapOptions.setTarget(exampleId);
    mapOptions.setView(view);
    Map map = new Map(mapOptions);
    map.addLayer(wmsLayer);
    // 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 10 with Map

use of ol.Map in project gwt-ol3 by TDesjardins.

the class MapEventsExample method show.

/* (non-Javadoc)
     * @see de.desjardins.ol3.demo.client.example.Example#show()
     */
@Override
public void show(String exampleId) {
    // create a OSM-layer
    XyzOptions osmSourceOptions = OLFactory.createOptions();
    Osm osmSource = new Osm(osmSourceOptions);
    LayerOptions osmLayerOptions = OLFactory.createOptions();
    osmLayerOptions.setSource(osmSource);
    Tile osmLayer = new Tile(osmLayerOptions);
    // create a view
    View view = new View();
    Coordinate centerCoordinate = new Coordinate(-0.1275, 51.507222);
    Coordinate transformedCenterCoordinate = Projection.transform(centerCoordinate, DemoConstants.EPSG_4326, DemoConstants.EPSG_3857);
    view.setCenter(transformedCenterCoordinate);
    view.setZoom(10);
    // create the map
    MapOptions mapOptions = OLFactory.createOptions();
    mapOptions.setTarget(exampleId);
    mapOptions.setView(view);
    Map map = new Map(mapOptions);
    map.addLayer(osmLayer);
    // add some controls
    map.addControl(new ScaleLine());
    DemoUtils.addDefaultControls(map.getControls());
    Attribution attribution = new Attribution();
    attribution.setCollapsed(true);
    map.addControl(attribution);
    // clear default interactions
    map.getInteractions().clear();
    // add some interactions
    map.addInteraction(new DragPan());
    map.addInteraction(new KeyboardPan());
    map.addInteraction(new KeyboardZoom());
    map.addInteraction(new MouseWheelZoom());
    // add event handlers
    map.addDoubleClickListener(evt -> Window.alert("double click at " + evt.getCoordinate().getX() + ", " + evt.getCoordinate().getX()));
    map.addMapZoomListener(evt -> GWT.log("onZoom"));
    map.addMapZoomEndListener(evt -> GWT.log("onMapZoomEnd"));
}