Example usage for com.google.gwt.maps.client.geom LatLng newInstance

List of usage examples for com.google.gwt.maps.client.geom LatLng newInstance

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  5. LatLng
  6. newInstance

Introduction

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

Prototype

public static native LatLng newInstance(double latitude, double longitude) ;

Source Link

Document

Create a new point.

Usage

From source file:at.ait.dme.yuma.client.map.annotation.GoogleMapsComposite.java

License:EUPL

/**
 * parse the bounding box into 2 instances of LatLng. 
 * one for the north east and one for the south west.
 *///  w  w  w .j av a  2s  .  co m
private void parseBoundingBox() {
    String bBox = Application.getBbox();
    if (bBox == null)
        return;

    bBox = bBox.replaceAll("[\\[\\]]", "");
    String[] coords = bBox.split(",");

    if (coords.length != 4)
        return;
    mapNorthEast = LatLng.newInstance(Double.parseDouble(coords[0]), Double.parseDouble(coords[1]));
    mapSouthWest = LatLng.newInstance(Double.parseDouble(coords[2]), Double.parseDouble(coords[3]));
}

From source file:at.ait.dme.yuma.client.map.annotation.GoogleMapsComposite.java

License:EUPL

/**
 * transform a point from pixels to LatLng using the provided bounding box
 * /*  ww  w .  j av  a 2 s.c  om*/
 * @param imageRect
 * @param xyCoord
 * @return latlng
 */
private LatLng transformPoint(ImageAnnotation annotation, XYCoordinate xyCoord) {
    ImageRect imageRect = annotation.getFragment().getImageRect();
    float xRatio = ((float) imageRect.getWidth() / (xyCoord.x - imageRect.getLeft()));
    float yRatio = ((float) imageRect.getHeight() / (xyCoord.y - imageRect.getTop()));

    double lat = mapNorthEast.getLatitude()
            - ((mapNorthEast.getLatitude() - mapSouthWest.getLatitude()) / yRatio);
    double lng = mapSouthWest.getLongitude()
            + ((mapNorthEast.getLongitude() - mapSouthWest.getLongitude()) / xRatio);

    return LatLng.newInstance(lat, lng);
}

From source file:at.ait.dme.yuma.client.map.annotation.GoogleMapsComposite.java

License:EUPL

/**
 * transform a list of points from pixels to LatLng using the transformation service, in case
 * no bounding box was provided.//  w w  w.  jav  a  2s  . c o m
 * 
 * @param xyCoord
 */
private void transformPoints(List<XYCoordinate> xyCoords) {
    TransformationServiceAsync transformationService = (TransformationServiceAsync) GWT
            .create(TransformationService.class);

    transformationService.transformCoordinates(Application.getExternalObjectId(), Application.getImageUrl(),
            xyCoords, new AsyncCallback<List<WGS84Coordinate>>() {
                public void onFailure(Throwable caught) {
                    ErrorMessages errorMessages = (ErrorMessages) GWT.create(ErrorMessages.class);
                    Window.alert(errorMessages.transformationError());
                }

                public void onSuccess(List<WGS84Coordinate> coords) {
                    List<LatLng> latlngCoords = new ArrayList<LatLng>();
                    for (WGS84Coordinate coord : coords) {
                        latlngCoords.add(LatLng.newInstance(coord.lat, coord.lon));
                    }
                    // we need to group the coordinates by annotation and display the overlays
                    int fromIndex = 0;
                    for (ImageAnnotation annotation : coordinatesCount.keySet()) {
                        int coordsCount = coordinatesCount.get(annotation);
                        GoogleMapsComposite.this.drawOverlay(
                                new ArrayList<LatLng>(
                                        latlngCoords.subList(fromIndex, fromIndex + coordsCount - 1)),
                                annotation);
                        fromIndex += coordsCount;
                    }
                }
            });
}

From source file:at.ait.dme.yuma.suite.apps.map.client.widgets.GoogleMapsComposite.java

License:EUPL

/**
 * transform a list of points from pixels to LatLng using the transformation service, in case
 * no bounding box was provided./*from  w  w  w  .j a  va  2s .co m*/
 * 
 * @param xyCoord
 */
private void transformPoints(List<XYCoordinate> xyCoords) {
    TransformationServiceAsync transformationService = (TransformationServiceAsync) GWT
            .create(TransformationService.class);

    transformationService.transformCoordinates(YUMACoreProperties.getObjectURI(), xyCoords,
            new AsyncCallback<List<WGS84Coordinate>>() {
                public void onFailure(Throwable caught) {
                    I18NErrorMessages errorMessages = (I18NErrorMessages) GWT.create(I18NErrorMessages.class);
                    Window.alert(errorMessages.transformationError());
                }

                public void onSuccess(List<WGS84Coordinate> coords) {
                    List<LatLng> latlngCoords = new ArrayList<LatLng>();
                    for (WGS84Coordinate coord : coords) {
                        latlngCoords.add(LatLng.newInstance(coord.lat, coord.lon));
                    }
                    // we need to group the coordinates by annotation and display the overlays
                    int fromIndex = 0;
                    for (ImageAnnotation annotation : coordinatesCount.keySet()) {
                        int coordsCount = coordinatesCount.get(annotation);
                        GoogleMapsComposite.this.drawOverlay(
                                new ArrayList<LatLng>(
                                        latlngCoords.subList(fromIndex, fromIndex + coordsCount - 1)),
                                annotation);
                        fromIndex += coordsCount;
                    }
                }
            });
}

From source file:com.claudiushauptmann.gwt.maps.gxt.samples.client.OverlayEditor.java

License:Apache License

public void onModuleLoad() {
    // Map//from   w  w w.  j a  v  a  2s . c  o m
    mapWidget = new MapWidget();
    mapWidget.setCenter(LatLng.newInstance(48.136559, 11.576318), 13);
    mapWidget.setWidth("100%");
    mapWidget.setHeight("100%");
    mapWidget.addControl(new LargeMapControl());
    mapWidget.setContinuousZoom(true);
    mapWidget.setScrollWheelZoomEnabled(true);
    RootPanel.get().add(mapWidget);

    // MapController
    mapGxtController = new MapGXTController(mapWidget);
    mapMenuProvider = new MapMenuProvider();
    mapGxtController.setMenuProvider(mapMenuProvider);

    // Marker
    MarkerOptions mo = MarkerOptions.newInstance();
    mo.setClickable(true);
    mo.setDraggable(true);
    Marker marker = new Marker(mapWidget.getCenter(), mo);
    mapWidget.addOverlay(marker);
    new MyMarkerEditController(mapGxtController, marker, "Marienplatz",
            "Marienplatz is a central square in the" + " city center of Munich, Germany since 1158.<br/>"
                    + " In the Middle Ages markets and tournaments were held in this"
                    + " city square. The Glockenspiel in the new city hall was inspired"
                    + " by these tournaments, and draws millions of tourists a year.");

    // Polyline
    LatLng[] llline = new LatLng[3];
    llline[0] = LatLng.newInstance(48.131955, 11.527061);
    llline[1] = LatLng.newInstance(48.11809, 11.579247);
    llline[2] = LatLng.newInstance(48.127143, 11.638298);
    PolylineOptions plo = PolylineOptions.newInstance(true, false);
    Polyline line = new Polyline(llline, "#FF0000", 2, 1.0, plo);
    mapWidget.addOverlay(line);
    new MyPolylineEditController(mapGxtController, line, "Polyline", "This is a polyline.");

    // Polygon
    LatLng[] llpolygon = new LatLng[4];
    llpolygon[0] = LatLng.newInstance(48.119809, 11.539936);
    llpolygon[1] = LatLng.newInstance(48.158185, 11.541138);
    llpolygon[2] = LatLng.newInstance(48.155894, 11.569118);
    llpolygon[3] = llpolygon[0];
    PolygonOptions pgo = PolygonOptions.newInstance(true);
    Polygon polygon = new Polygon(llpolygon, "#0000FF", 2, 1.0, "#0000FF", 0.3, pgo);
    mapWidget.addOverlay(polygon);
    new MyPolygonEditController(mapGxtController, polygon, "Polygon", "This is a polygon.");
}

From source file:com.google.gwt.gadgets.sample.traveler.client.TravelMap.java

License:Apache License

private Marker createMarker(final Location loc) {
    LatLng latlng = LatLng.newInstance(loc.getLatitude(), loc.getLongitude());
    final Marker marker = new Marker(latlng);
    marker.addMarkerClickHandler(new MarkerClickHandler() {
        public void onClick(MarkerClickEvent event) {
            final InfoWindow info = map.getInfoWindow();
            info.open(marker, newLocationDescription(loc, info, marker));
        }//from   w w  w .  j a  v a 2 s . co  m
    });
    return marker;
}

From source file:com.google.gwt.maps.sample.hellomaps.client.AdsManagerDemo.java

License:Apache License

public AdsManagerDemo() {
    MapOptions mapOptions = MapOptions.newInstance();
    mapOptions.setSize(Size.newInstance(500, 600));

    // Mountain View
    LatLng city = LatLng.newInstance(37.4419, -122.1419);
    map = new MapWidget(city, 13, mapOptions);
    map.setUIToDefault();//from   www  .  ja v  a 2s . c o  m

    AdsManagerOptions adsOptions = AdsManagerOptions.newInstance();
    adsOptions.setMaxAdsOnMap(3);
    adsOptions.setStyle(AdsManagerOptions.STYLE_ADUNIT);
    String publisherId = "pub-1234567890123456"; // bogus publisher id
    AdsManager adsManager = AdsManager.newInstance(map, publisherId, adsOptions);
    adsManager.setEnabled(true);

    initWidget(map);
}

From source file:com.google.gwt.maps.sample.hellomaps.client.ClickDemo.java

License:Apache License

public ClickDemo() {
    map = new MapWidget(LatLng.newInstance(37.4419, -122.1419), 13);
    map.setSize("500px", "300px");
    initWidget(map);/*from www .ja  v  a2  s  .c  o  m*/

    map.addControl(new SmallMapControl());
    map.addControl(new MapTypeControl());

    map.addMapClickHandler(new MapClickHandler() {
        public void onClick(MapClickEvent e) {
            MapWidget sender = e.getSender();
            Overlay overlay = e.getOverlay();
            LatLng point = e.getLatLng();

            if (overlay != null && overlay instanceof Marker) {
                sender.removeOverlay(overlay);
            } else {
                sender.addOverlay(new Marker(point));
            }
        }
    });
}

From source file:com.google.gwt.maps.sample.hellomaps.client.ControlsDemo.java

License:Apache License

public ControlsDemo() {
    map = new MapWidget(LatLng.newInstance(37.4419, -122.1419), 13);
    map.setSize("500px", "300px");
    initWidget(map);//from ww w .  ja v  a 2s.c o  m
    map.addControl(new SmallMapControl());
    map.addControl(new MapTypeControl());

    Timer timer = new Timer() {

        @Override
        public void run() {
            // Exercise the minimum & maximum resolution entry points.
            MapType types[] = map.getMapTypes();
            for (MapType t : types) {
                int minResolution = t.getMinimumResolution();
                int maxResolution = t.getMaximumResolution();
                GWT.log("Map Type: " + t.getName(true) + " Min resolution: " + minResolution
                        + " Max Resolution: " + maxResolution, null);

                minResolution = t.getMinimumResolution();
                maxResolution = t.getMaximumResolution();
                GWT.log("@ point: " + map.getCenter().toString() + " Map Type: " + t.getName(true)
                        + " Min resolution: " + minResolution + " Max Resolution: " + maxResolution, null);
            }
        }
    };
    timer.schedule(1000);
}

From source file:com.google.gwt.maps.sample.hellomaps.client.CustomControlDemo.java

License:Apache License

public CustomControlDemo() {

    VerticalPanel vertPanel = new VerticalPanel();
    vertPanel.setStyleName("hm-panel");

    actionListBox = new ListBox();
    for (ControlDemos cd : ControlDemos.values()) {
        actionListBox.addItem(cd.valueOf());
    }/*from ww w.  j  a  va2 s .  com*/

    actionListBox.addChangeListener(new ChangeListener() {
        public void onChange(Widget sender) {
            displayCustomControl();
        }
    });

    HorizontalPanel horizPanel = new HorizontalPanel();
    horizPanel.add(new Label("Choose Action:"));
    horizPanel.add(actionListBox);
    horizPanel.setSpacing(10);
    vertPanel.add(horizPanel);

    map = new MapWidget(LatLng.newInstance(37.441944, -122.141944), 13);
    map.setSize("500px", "300px");
    map.addMapType(MapType.getNormalMap());
    map.addMapType(MapType.getSatelliteMap());
    map.addMapType(MapType.getMarsVisibleMap());
    map.addMapType(MapType.getMarsElevationMap());
    map.addMapType(MapType.getMarsInfraredMap());
    vertPanel.add(map);

    new Timer() {
        public void run() {
            displayCustomControl();
        }
    }.schedule(250);

    initWidget(vertPanel);
}