Examples with Coordinate ol.Coordinate used on opensource projects

Example 21 with Coordinate

use of ol.Coordinate 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 22 with Coordinate

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

the class WmtsExample method createWmtsTileGrid.

/**
 * Creates a WMTS tilegrid.
 *
 * @param projection projection of the grid
 * @return WMTS tilegrid
 */
private TileGrid createWmtsTileGrid(Projection projection) {
    WmtsTileGridOptions wmtsTileGridOptions = OLFactory.createOptions();
    double[] resolutions = new double[14];
    String[] matrixIds = new String[14];
    double width = projection.getExtent().getWidth();
    double matrixWidth = width / 256;
    for (int i = 0; i < 14; i++) {
        resolutions[i] = matrixWidth / Math.pow(2, i);
        matrixIds[i] = String.valueOf(i);
    }
    Coordinate tileGridOrigin = projection.getExtent().getTopLeft();
    wmtsTileGridOptions.setOrigin(tileGridOrigin);
    wmtsTileGridOptions.setResolutions(resolutions);
    wmtsTileGridOptions.setMatrixIds(matrixIds);
    return new WmtsTileGrid(wmtsTileGridOptions);
}

Example 23 with Coordinate

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

the class WmtsExample method show.

/* (non-Javadoc)
     * @see de.desjardins.ol3.demo.client.example.Example#show()
     */
@Override
public void show(String exampleId) {
    // create a projection
    Projection projection = Projection.get(DemoConstants.EPSG_3857);
    // 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);
    WmtsOptions wmtsOptions = OLFactory.createOptions();
    wmtsOptions.setUrl("https://services.arcgisonline.com/arcgis/rest/services/Demographics/USA_Population_Density/MapServer/WMTS/");
    wmtsOptions.setLayer("0");
    wmtsOptions.setFormat("image/png");
    wmtsOptions.setMatrixSet(DemoConstants.EPSG_3857);
    wmtsOptions.setStyle("default");
    wmtsOptions.setProjection(projection);
    wmtsOptions.setWrapX(true);
    wmtsOptions.setTileGrid(this.createWmtsTileGrid(projection));
    // create attribution
    wmtsOptions.setAttributions("Tiles &copy; <a href=\"http://services.arcgisonline.com/arcgis/rest/services/Demographics/USA_Population_Density/MapServer/\">ArcGIS</a>");
    Wmts wmtsSource = new Wmts(wmtsOptions);
    LayerOptions wmtsLayerOptions = OLFactory.createOptions();
    wmtsLayerOptions.setSource(wmtsSource);
    Tile wmtsLayer = new Tile(wmtsLayerOptions);
    wmtsLayer.setOpacity(0.7);
    // create a view
    ViewOptions viewOptions = OLFactory.createOptions();
    viewOptions.setProjection(projection);
    View view = new View(viewOptions);
    Coordinate centerCoordinate = new Coordinate(-11158582, 4813697);
    view.setCenter(centerCoordinate);
    view.setZoom(4);
    // create the map
    MapOptions mapOptions = OLFactory.createOptions();
    mapOptions.setTarget(exampleId);
    mapOptions.setView(view);
    Map map = new Map(mapOptions);
    // add layers
    map.addLayer(osmLayer);
    map.addLayer(wmtsLayer);
    // 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 24 with Coordinate

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

the class DemoUtils method createTestPolygon.

/**
 * Creates a test polygon geometry (triangle).
 *
 * @return test polygon geometry (EPSG:3857)
 */
public static Polygon createTestPolygon() {
    Coordinate[][] coordinates = new Coordinate[1][4];
    Coordinate point1 = new Coordinate(13.36, 52.53);
    Coordinate point2 = new Coordinate(13.36, 52.51);
    Coordinate point3 = new Coordinate(13.37, 52.52);
    Coordinate point4 = new Coordinate(13.36, 52.53);
    coordinates[0][0] = point1;
    coordinates[0][1] = point2;
    coordinates[0][2] = point3;
    coordinates[0][3] = point4;
    Coordinate[][] tranformedCoordinates = new Coordinate[coordinates.length][];
    tranformedCoordinates[0] = OLUtil.transform(coordinates[0], "EPSG:4326", "EPSG:3857");
    return OLFactory.createPolygon(tranformedCoordinates);
}

Example 25 with Coordinate

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

the class ArcGISExample method show.

/* (non-Javadoc)
     * @see de.desjardins.ol3.demo.client.example.Example#show() */
@Override
public void show(String exampleId) {
    ImageArcGisRestParams params = new ImageArcGisRestParams();
    params.showLayers("2");
    ImageArcGisRestOptions options = new ImageArcGisRestOptions();
    options.setUrl("https://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StateCityHighway_USA/MapServer");
    options.setParams(params);
    options.setRatio(1f);
    ImageArcGisRest source = new ImageArcGisRest(options);
    LayerOptions layerOptions = OLFactory.createOptions();
    layerOptions.setSource(source);
    Image layer = new Image(layerOptions);
    // create a view
    View view = new View();
    Coordinate center = OLFactory.createCoordinate(-10997148, 4569099);
    view.setCenter(center);
    view.setZoom(4);
    // create the map
    MapOptions mapOptions = OLFactory.createOptions();
    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());
}