Examples with MeasureListener ol.event.MeasureListener used on opensource projects

Example 1 with MeasureListener

use of ol.event.MeasureListener in project gwt-ol3 by TDesjardins.

the class MeasureExample 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 = OLFactory.createView();
    Coordinate centerCoordinate = new Coordinate(-0.1275, 51.507222);
    Coordinate transformedCenterCoordinate = Projection.transform(centerCoordinate, "EPSG:4326", "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);
    // add some interactions
    map.addInteraction(new KeyboardPan());
    map.addInteraction(new KeyboardZoom());
    // add measurement functionality to the map
    final Measure measure = new Measure(map);
    // start measuring immediately
    measure.startMeasureLength(new MeasureListener() {

        @Override
        public void onMeasure(MeasureEvent evt) {
            // log the measured length
            GWT.log("measure: " + evt.getMeasure());
        }
    }, true, true);
}