Example usage for com.google.gwt.maps.client.services LocationElevationRequest newInstance

Introduction

In this page you can find the example usage for com.google.gwt.maps.client.services LocationElevationRequest newInstance.

Prototype

public final static LocationElevationRequest newInstance() 

Source Link

Document

An elevation request sent by the ElevationService containing the list of discrete coordinates (LatLngs) for which to return elevation data.

Usage

From source file:com.google.gwt.maps.testing.client.maps.ElevationMapWidget.java

License:Apache License

private void findElevation(LatLng point) {

    LatLng[] a = new LatLng[] { point };

    JsArray<LatLng> locations = ArrayHelper.toJsArray(a);

    LocationElevationRequest request = LocationElevationRequest.newInstance();
    request.setLocations(locations);//from   www  .  j  ava  2s. c  o m

    ElevationService o = ElevationService.newInstance();
    o.getElevationForLocations(request, new ElevationServiceHandler() {
        @Override
        public void onCallback(JsArray<ElevationResult> result, ElevationStatus status) {

            if (status == ElevationStatus.INVALID_REQUEST) {

            } else if (status == ElevationStatus.OK) {
                ElevationResult e = result.get(0);
                double elevation = e.getElevation();
                LatLng location = e.getLocation();
                @SuppressWarnings("unused")
                double res = e.getResolution();

                GWT.log("worked elevation=" + elevation);
                drawInfoWindow(location, elevation);

            } else if (status == ElevationStatus.OVER_QUERY_LIMIT) {

            } else if (status == ElevationStatus.REQUEST_DENIED) {

            } else if (status == ElevationStatus.UNKNOWN_ERROR) {

            }

            GWT.log("elevation request finished");
        }
    });
}

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