Example usage for com.google.gwt.maps.client.geom LatLngBounds extend

List of usage examples for com.google.gwt.maps.client.geom LatLngBounds extend

  1. HOME
  2. Java
  3. com.google.gwt
  4. com.google.gwt.maps.client.geom.*
  5. LatLngBounds
  6. extend

Introduction

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

Prototype

public final native void extend(LatLng coordinate) ;

Source Link

Document

Returns a new rectangle such that it contains the given point.

Usage

From source file:es.upm.fi.dia.oeg.map4rdf.client.view.v2.GoogleMapLayer.java

License:Open Source License

@Override
public HasClickHandlers drawCircle(StyleMapShape<Circle> circle) {
    LatLngBounds bounds = LatLngBounds.newInstance();
    LatLng[] circlePoints = new LatLng[CIRCLE_NUMBER_OF_POINTS];

    double EARTH_RADIUS = 6371000;
    double d = circle.getMapShape().getRadius() / EARTH_RADIUS;
    double lat1 = Math.toRadians(circle.getMapShape().getCenter().getY());
    double lng1 = Math.toRadians(circle.getMapShape().getCenter().getX());

    double a = 0;
    double step = 360.0 / CIRCLE_NUMBER_OF_POINTS;
    for (int i = 0; i < CIRCLE_NUMBER_OF_POINTS; i++) {
        double tc = Math.toRadians(a);
        double lat2 = Math.asin(Math.sin(lat1) * Math.cos(d) + Math.cos(lat1) * Math.sin(d) * Math.cos(tc));
        double lng2 = lng1 + Math.atan2(Math.sin(tc) * Math.sin(d) * Math.cos(lat1),
                Math.cos(d) - Math.sin(lat1) * Math.sin(lat2));
        LatLng point = LatLng.newInstance(Math.toDegrees(lat2), Math.toDegrees(lng2));
        circlePoints[i] = point;//w ww  .j ava2 s  .com
        bounds.extend(point);
        a += step;
    }
    com.google.gwt.maps.client.overlay.Polygon polygon = new com.google.gwt.maps.client.overlay.Polygon(
            circlePoints, circle.getStrokeColor(), circle.getStrokeWidth(), circle.getStrokeOpacity(),
            circle.getFillColor(), circle.getFillOpacity());

    addOverlay(polygon);
    return new PolygonClickHandlerWrapper(polygon);
}

From source file:es.upm.fi.dia.oeg.map4rdf.client.widget.mapcontrol.StatisticsMapControl.java

License:Open Source License

private void drawCircleFromRadius(LatLng center, double radius, int nbOfPoints) {

    LatLngBounds bounds = LatLngBounds.newInstance();
    LatLng[] circlePoints = new LatLng[nbOfPoints];

    double EARTH_RADIUS = 6371000;
    double d = radius / EARTH_RADIUS;
    double lat1 = Math.toRadians(center.getLatitude());
    double lng1 = Math.toRadians(center.getLongitude());

    double a = 0;
    double step = 360.0 / nbOfPoints;
    for (int i = 0; i < nbOfPoints; i++) {
        double tc = Math.toRadians(a);
        double lat2 = Math.asin(Math.sin(lat1) * Math.cos(d) + Math.cos(lat1) * Math.sin(d) * Math.cos(tc));
        double lng2 = lng1 + Math.atan2(Math.sin(tc) * Math.sin(d) * Math.cos(lat1),
                Math.cos(d) - Math.sin(lat1) * Math.sin(lat2));
        LatLng point = LatLng.newInstance(Math.toDegrees(lat2), Math.toDegrees(lng2));
        circlePoints[i] = point;/*from w w  w .  j a v a2 s .co  m*/
        bounds.extend(point);
        a += step;
    }

    Polygon circle = new Polygon(circlePoints, "white", 0, 0, "green", 0.4);

    addOverlay(circle);
}

From source file:org.onebusaway.webapp.gwt.mobile_application.control.Actions.java

License:Apache License

private static LatLngBounds getSearchBoundsAsLatLngBounds(double radius) {

    CoordinateBounds bounds = getSearchBounds(radius);

    LatLngBounds b = LatLngBounds.newInstance();
    b.extend(LatLng.newInstance(bounds.getMinLat(), bounds.getMinLon()));
    b.extend(LatLng.newInstance(bounds.getMaxLat(), bounds.getMaxLon()));
    return b;/* ww w  .  j a  v a 2 s. c  o  m*/
}

From source file:org.onebusaway.webapp.gwt.mobile_application.view.MapViewController.java

License:Apache License

public void showStopsForRoute(RouteBean route, StopsForRouteBean stopsForRoute) {
    _transitMapManager.showStopsForRoute(route, stopsForRoute, true);
    LatLngBounds b = LatLngBounds.newInstance();
    for (StopBean stop : stopsForRoute.getStops())
        b.extend(LatLng.newInstance(stop.getLat(), stop.getLon()));
    if (!b.isEmpty()) {
        _map.setCenter(b.getCenter(), _map.getBoundsZoomLevel(b));
        _locationManager.setLastSearchLocation(b.getCenter());
    }//from w w  w .ja va  2s.  c  om
}

From source file:org.onebusaway.webapp.gwt.mobile_application.view.MapViewController.java

License:Apache License

public void showPlaces(List<Place> places) {
    _transitMapManager.showPlaces(places, false, new PlaceClickHandlerImpl(true));

    LatLngBounds b = LatLngBounds.newInstance();
    for (Place place : places)
        b.extend(place.getLocation());

    if (!b.isEmpty())
        _locationManager.setLastSearchLocation(b.getCenter());
}

From source file:org.onebusaway.webapp.gwt.oba_application.view.ResultsTablePresenter.java

License:Apache License

private void refresh() {

    clear();//from  ww  w . j  av  a  2 s .c  o  m

    if (_minimized) {

        DivPanel panel = new DivPanel();
        panel.addStyleName(_css.ResultsTableWidgetMinimized());
        _tablePanel.add(panel);

        Anchor showAllEntries = new Anchor("Show all results...");
        showAllEntries.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent arg0) {
                _control.clearActiveSearchResult();
            }
        });
        panel.add(showAllEntries);

        constructAttributionPanel();

    } else {

        _tablePanel.add(_filterWidget);

        List<TimedLocalSearchResult> entries = _model.getActiveEntries();

        Grid grid = new Grid(entries.size() + 1, 4);
        grid.addStyleName(_css.ResultsTableWidgetResultsTable());
        grid.setText(0, 0, "");
        grid.setWidget(0, 1, getTableHeaderWidget("Name", EResultsSort.NAME));
        grid.setWidget(0, 2, getTableHeaderWidget("Rating", EResultsSort.RATING));
        grid.setWidget(0, 3, getTableHeaderWidget("Distance", EResultsSort.DISTANCE));

        grid.getRowFormatter().addStyleName(0, "ResultsTableWidget-ResultsTable-HeaderRow");

        grid.getCellFormatter().addStyleName(0, 1, "ResultsTableWidget-ResultsTable-HeaderRow-Name");
        grid.getCellFormatter().addStyleName(0, 2, "ResultsTableWidget-ResultsTable-HeaderRow-Rating");
        grid.getCellFormatter().addStyleName(0, 3, "ResultsTableWidget-ResultsTable-HeaderRow-Distance");

        int index = 0;

        LatLngBounds bounds = LatLngBounds.newInstance();

        for (TimedLocalSearchResult tlsr : entries) {

            LocalSearchResult entry = tlsr.getLocalSearchResult();

            int tableRow = index + 1;
            EntryClickHandler handler = new EntryClickHandler(tlsr);

            String labelPre = index < ROW_LABELS.length() ? (ROW_LABELS.charAt(index) + "") : "";
            grid.setWidget(tableRow, 0, new SpanWidget(labelPre));
            grid.getCellFormatter().addStyleName(tableRow, 0, "ResultsTableWidget-ResultsTable-LabelColumn");

            Anchor name = new Anchor(entry.getName());
            name.addClickHandler(handler);
            grid.setWidget(tableRow, 1, name);
            grid.getCellFormatter().addStyleName(tableRow, 1, "ResultsTableWidget-ResultsTable-NameColumn");

            if (entry.getRatingUrlSmall() != null) {
                Image image = new Image(entry.getRatingUrlSmall());
                grid.setWidget(tableRow, 2, image);
            } else {
                String rating = entry.getRating() + "/" + entry.getMaxRating();
                grid.setText(tableRow, 2, rating);
            }
            grid.getCellFormatter().addStyleName(tableRow, 2, "ResultsTableWidget-ResultsTable-RatingColumn");

            int minutes = tlsr.getTime() / 60;
            String minLabel = minutes + " " + (minutes == 1 ? " min" : " mins");
            grid.setText(tableRow, 3, minLabel);
            grid.getCellFormatter().addStyleName(tableRow, 3, "ResultsTableWidget-ResultsTable-TimeColumn");

            grid.getRowFormatter().addStyleName(tableRow, "ResultsTableWidget-ResultsTable-ResultRow");

            Marker marker = getMarker(index, entry);
            marker.addMarkerClickHandler(handler);
            _mapOverlayManager.addOverlay(marker, 10, 20);
            _overlays.add(marker);

            index++;

            bounds.extend(marker.getLatLng());
        }

        if (!bounds.isEmpty()) {
            MapWidget map = _mapOverlayManager.getMapWidget();
            LatLngBounds currentView = map.getBounds();
            if (!currentView.containsBounds(bounds)) {
                _mapOverlayManager.setCenterAndZoom(bounds);
            }
        }

        _tablePanel.add(grid);

        constructItemNavigationPanel(entries);
        constructAttributionPanel();
    }
}

From source file:org.onebusaway.webapp.gwt.oba_library.model.TimedRegionModel.java

License:Apache License

public void setData(List<CoordinateBounds> timeGrid, List<Integer> times) {

    _bounds = LatLngBounds.newInstance();
    _regions.clear();/*from   www.j a  v  a2 s .c o  m*/
    _maxTime = 0;

    for (int i = 0; i < timeGrid.size(); i++) {

        CoordinateBounds bounds = timeGrid.get(i);

        int time = times.get(i);
        _maxTime = Math.max(time, _maxTime);

        LatLng p1 = LatLng.newInstance(bounds.getMinLat(), bounds.getMinLon());
        LatLng p2 = LatLng.newInstance(bounds.getMaxLon(), bounds.getMaxLon());
        LatLngBounds b = LatLngBounds.newInstance();
        b.extend(p1);
        b.extend(p2);

        TimedRegion region = new TimedRegion(b, time);
        _regions.add(region);

        _bounds.extend(p1);
        _bounds.extend(p2);
    }

    refresh();
}

From source file:org.onebusaway.webapp.gwt.tripplanner_library.view.TripBeanMapPresenter.java

License:Apache License

public void displayTrip(ItineraryBean trip, List<Overlay> resultingOverlays) {

    resultingOverlays.clear();//from   w ww .  j ava 2  s .  c  o  m

    LatLngBounds bounds = LatLngBounds.newInstance();

    for (LegBean segment : trip.getLegs()) {

        String mode = segment.getMode();

        if (mode.equals("transit")) {

            TransitLegBean leg = segment.getTransitLeg();
            String path = leg.getPath();

            if (path != null) {

                List<CoordinatePoint> points = PolylineEncoder.decode(path);
                EncodedPolylineBean bean = PolylineEncoder.createEncodings(points);

                Polyline line = getPathAsPolyline(bean);
                PolyStyleOptions style = PolyStyleOptions.newInstance("#0000FF", 4, 0.5);
                line.setStrokeStyle(style);
                resultingOverlays.add(line);

                addBoundsToBounds(line.getBounds(), bounds);
            }

            StopBean stop = leg.getFromStop();

            if (stop != null) {
                String routeName = leg.getRouteShortName();

                TripPlannerResources resources = TripPlannerResources.INSTANCE;
                SpanPanel w = new SpanPanel();
                w.addStyleName(_css.routeTinyInfoWindow());
                Image image = new Image(resources.getBus14x14().getUrl());
                image.addStyleName(_css.routeModeIcon());
                w.add(image);
                SpanWidget name = new SpanWidget(routeName);
                name.setStyleName(_css.routeName());
                w.add(name);

                LatLng point = LatLng.newInstance(stop.getLat(), stop.getLon());
                TinyInfoWindowMarker marker = new TinyInfoWindowMarker(point, w);
                resultingOverlays.add(marker);

                bounds.extend(point);
            }
        } else if (mode.equals("walk")) {
            List<StreetLegBean> streetLegs = segment.getStreetLegs();
            List<CoordinatePoint> allPoints = new ArrayList<CoordinatePoint>();
            for (StreetLegBean streetLeg : streetLegs) {
                String path = streetLeg.getPath();
                List<CoordinatePoint> points = PolylineEncoder.decode(path);
                allPoints.addAll(points);
            }
            EncodedPolylineBean polyline = PolylineEncoder.createEncodings(allPoints);
            Polyline line = getPathAsPolyline(polyline);
            PolyStyleOptions style = PolyStyleOptions.newInstance("#000000", 4, 0.8);
            line.setStrokeStyle(style);
            resultingOverlays.add(line);

            addBoundsToBounds(line.getBounds(), bounds);
        }
    }

    for (Overlay overlay : resultingOverlays)
        _map.addOverlay(overlay);

    if (_centerOnTrip && !bounds.isEmpty()) {
        _map.setCenter(bounds.getCenter());
        int zoom = _map.getBoundsZoomLevel(bounds);
        _map.setCenter(bounds.getCenter(), zoom);
    }
}

From source file:org.onebusaway.webapp.gwt.tripplanner_library.view.TripBeanMapPresenter.java

License:Apache License

private void addBoundsToBounds(LatLngBounds source, LatLngBounds dest) {
    if (source == null || source.isEmpty()) {
        System.out.println("empty bounds");
    } else {/*w w  w  .j a  v a  2  s  . c o  m*/
        dest.extend(source.getNorthEast());
        dest.extend(source.getSouthWest());
    }
}

From source file:org.onebusaway.webapp.gwt.where_library.impl.CombinedSearchServiceImpl.java

License:Apache License

private LatLngBounds getBounds(CoordinateBounds bounds) {

    LatLngBounds b = LatLngBounds.newInstance();

    if (bounds != null) {
        b.extend(LatLng.newInstance(bounds.getMinLat(), bounds.getMinLon()));
        b.extend(LatLng.newInstance(bounds.getMaxLat(), bounds.getMaxLon()));
    }/* www.  j  a  va  2s .  c  o  m*/

    return b;
}