Examples with AiLatLng org.activityinfo.model.type.geo.AiLatLng used on opensource projects

Example 1 with AiLatLng

use of org.activityinfo.model.type.geo.AiLatLng in project activityinfo by bedatadriven.

the class MapEditorMapView method updateModelFromMap.

private void updateModelFromMap() {
    model.setZoomLevel(map.getMap().getZoom());
    LatLng center = map.getMap().getBounds().getCenter();
    model.setCenter(new AiLatLng(center.lat(), center.lng()));
}

Example 2 with AiLatLng

use of org.activityinfo.model.type.geo.AiLatLng in project activityinfo by bedatadriven.

the class LocationMap method createNewLocationMarker.

private void createNewLocationMarker() {
    DivIcon icon = createIcon("");
    Options markerOptions = new Options();
    markerOptions.setProperty("icon", icon);
    markerOptions.setProperty("draggable", true);
    newLocationMarker = new Marker(newLatLng(newLocationPresenter.getLatLng()), markerOptions);
    EventHandlerManager.addEventHandler(newLocationMarker, org.discotools.gwt.leaflet.client.events.handler.EventHandler.Events.dragend, new EventHandler<Event>() {

        @Override
        public void handle(Event event) {
            newLocationPresenter.setLatLng(new AiLatLng(newLocationMarker.getLatLng().lat(), newLocationMarker.getLatLng().lng()));
        }
    });
    map.addLayer(newLocationMarker);
}

Example 3 with AiLatLng

use of org.activityinfo.model.type.geo.AiLatLng in project activityinfo by bedatadriven.

the class TileMath method zoomLevelForExtents.

/**
 * Returns the maximum zoom level at which the given extents will fit inside
 * the map of the given size
 *
 * @param extent
 * @param mapWidth
 * @param mapHeight
 * @return
 */
public static int zoomLevelForExtents(Extents extent, int mapWidth, int mapHeight) {
    int zoomLevel = 1;
    do {
        Point upperLeft = fromLatLngToPixel(new AiLatLng(extent.getMaxLat(), extent.getMinLon()), zoomLevel);
        Point lowerRight = fromLatLngToPixel(new AiLatLng(extent.getMinLat(), extent.getMaxLon()), zoomLevel);
        int extentWidth = lowerRight.getX() - upperLeft.getX();
        if (extentWidth > mapWidth) {
            return zoomLevel - 1;
        }
        int extentHeight = lowerRight.getY() - upperLeft.getY();
        if (extentHeight > mapHeight) {
            return zoomLevel - 1;
        }
        zoomLevel++;
    } while (zoomLevel < MAX_ZOOM);
    return zoomLevel;
}

Example 4 with AiLatLng

use of org.activityinfo.model.type.geo.AiLatLng in project activityinfo by bedatadriven.

the class MapGenerator method generate.

@Override
public void generate(User user, MapReportElement element, Filter inheritedFilter, DateRange dateRange) {
    Filter filter = GeneratorUtils.resolveElementFilter(element, dateRange);
    Filter effectiveFilter = inheritedFilter == null ? filter : new Filter(inheritedFilter, filter);
    MapContent content = new MapContent();
    content.setFilterDescriptions(generateFilterDescriptions(filter, Collections.<DimensionType>emptySet(), user));
    Map<Integer, Indicator> indicators = queryIndicators(element);
    // Set up layer generators
    List<LayerGenerator> layerGenerators = new ArrayList<LayerGenerator>();
    for (MapLayer layer : element.getLayers()) {
        if (layer.isVisible()) {
            LayerGenerator layerGtor = createGenerator(layer, indicators);
            layerGtor.query(getDispatcher(), effectiveFilter);
            layerGenerators.add(layerGtor);
        }
    }
    // FIRST PASS: calculate extents and margins
    int width = element.getWidth();
    int height = element.getHeight();
    AiLatLng center;
    int zoom;
    Extents extents = Extents.emptyExtents();
    Margins margins = new Margins(0);
    for (LayerGenerator layerGtor : layerGenerators) {
        extents.grow(layerGtor.calculateExtents());
        margins.grow(layerGtor.calculateMargins());
    }
    content.setExtents(extents);
    if (element.getCenter() == null) {
        // Now we're ready to calculate the zoom level
        // and the projection
        zoom = TileMath.zoomLevelForExtents(extents, width, height);
        center = extents.center();
    } else {
        center = element.getCenter();
        zoom = element.getZoomLevel();
    }
    content.setCenter(center);
    // Retrieve the basemap and clamp zoom level
    BaseMap baseMap = findBaseMap(element, indicators.values());
    if (zoom < baseMap.getMinZoom()) {
        zoom = baseMap.getMinZoom();
    }
    if (zoom > baseMap.getMaxZoom()) {
        zoom = baseMap.getMaxZoom();
    }
    if (zoom > element.getMaximumZoomLevel()) {
        zoom = element.getMaximumZoomLevel();
    }
    TiledMap map = new TiledMap(width, height, center, zoom);
    content.setBaseMap(baseMap);
    content.setZoomLevel(zoom);
    // Generate the actual content
    for (LayerGenerator layerGtor : layerGenerators) {
        layerGtor.generate(map, content);
    }
    content.setIndicators(toDTOs(indicators.values()));
    element.setContent(content);
}

Example 5 with AiLatLng

use of org.activityinfo.model.type.geo.AiLatLng in project activityinfo by bedatadriven.

the class BubbleLayerGenerator method generate.

@Override
public void generate(TiledMap map, MapContent content) {
    // define our symbol scaling
    RadiiCalculator radiiCalculator;
    if (layer.getScaling() == ScalingType.None || layer.getMinRadius() == layer.getMaxRadius()) {
        radiiCalculator = new FixedRadiiCalculator(layer.getMinRadius());
    } else if (layer.getScaling() == ScalingType.Graduated) {
        radiiCalculator = new GsLogCalculator(layer.getMinRadius(), layer.getMaxRadius());
    } else {
        radiiCalculator = new FixedRadiiCalculator(layer.getMinRadius());
    }
    BubbleIntersectionCalculator intersectionCalculator = new BubbleIntersectionCalculator(layer.getMaxRadius());
    Clusterer clusterer = ClustererFactory.fromClustering(layer.getClustering(), radiiCalculator, intersectionCalculator);
    // create the list of input point values
    List<PointValue> points = new ArrayList<PointValue>();
    List<PointValue> unmapped = new ArrayList<PointValue>();
    generatePoints(sites, map, layer, clusterer, points, unmapped);
    // Cluster points by the clustering algorithm set in the layer
    List<Cluster> clusters = clusterer.cluster(map, points);
    // add unmapped sites
    for (PointValue pv : unmapped) {
        content.getUnmappedSites().add(pv.getSite().getId());
    }
    BubbleLayerLegend legend = new BubbleLayerLegend();
    legend.setDefinition(layer);
    // create the markers
    List<BubbleMapMarker> markers = new ArrayList<BubbleMapMarker>();
    for (Cluster cluster : clusters) {
        Point px = cluster.getPoint();
        AiLatLng latlng = map.fromPixelToLatLng(px);
        BubbleMapMarker marker = new BubbleMapMarker();
        for (PointValue pv : cluster.getPointValues()) {
            marker.getSiteIds().add(pv.getSite().getId());
        }
        marker.setX(px.getX());
        marker.setY(px.getY());
        marker.setValue(cluster.sumValues());
        marker.setRadius((int) cluster.getRadius());
        marker.setLat(latlng.getLat());
        marker.setLng(latlng.getLng());
        marker.setAlpha(layer.getAlpha());
        marker.setTitle(formatTitle(cluster));
        marker.setIndicatorIds(new HashSet<Integer>(layer.getIndicatorIds()));
        marker.setClusterAmount(cluster.getPointValues().size());
        marker.setClustering(layer.getClustering());
        marker.setColor(layer.getBubbleColor());
        if (marker.getValue() < legend.getMinValue()) {
            legend.setMinValue(marker.getValue());
        }
        if (marker.getValue() > legend.getMaxValue()) {
            legend.setMaxValue(marker.getValue());
        }
        markers.add(marker);
    }
    // sort order by symbol radius descending
    // (this assures that smaller symbols are drawn on
    // top of larger ones)
    Collections.sort(markers, new Comparator<MapMarker>() {

        @Override
        public int compare(MapMarker o1, MapMarker o2) {
            if (o1.getSize() > o2.getSize()) {
                return -1;
            } else if (o1.getSize() < o2.getSize()) {
                return 1;
            }
            return 0;
        }
    });
    // number markers if applicable
    if (layer.getLabelSequence() != null) {
        numberMarkers(markers);
    }
    content.addLegend(legend);
    content.getMarkers().addAll(markers);
}