Examples with Clusterer org.activityinfo.server.report.generator.map.cluster.Clusterer used on opensource projects

Example 1 with Clusterer

use of org.activityinfo.server.report.generator.map.cluster.Clusterer 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);
}

Example 2 with Clusterer

use of org.activityinfo.server.report.generator.map.cluster.Clusterer in project activityinfo by bedatadriven.

the class IconLayerGenerator method generate.

@Override
public void generate(TiledMap map, MapContent content) {
    List<PointValue> points = new ArrayList<PointValue>();
    IconRectCalculator rectCalculator = new IconRectCalculator(icon);
    IntersectionCalculator intersectionCalculator = new IntersectionCalculator() {

        @Override
        public boolean intersects(Node a, Node b) {
            return a.getPointValue().getIconRect().intersects(b.getPointValue().getIconRect());
        }
    };
    Clusterer clusterer = ClustererFactory.fromClustering(layer.getClustering(), rectCalculator, intersectionCalculator);
    for (SiteDTO site : sites) {
        if (meetsCriteria(site)) {
            AiLatLng geoPoint = getPoint(site);
            if (geoPoint != null || clusterer.isMapped(site)) {
                Point point = null;
                if (geoPoint != null) {
                    point = map.fromLatLngToPixel(geoPoint);
                }
                points.add(new PointValue(site, point, point == null ? null : rectCalculator.iconRect(point), getValue(site, layer.getIndicatorIds())));
            } else {
                content.getUnmappedSites().add(site.getId());
            }
        }
    }
    List<Cluster> clusters = clusterer.cluster(map, points);
    createMarkersFrom(clusters, map, content);
    IconLayerLegend legend = new IconLayerLegend();
    legend.setDefinition(layer);
    content.addLegend(legend);
}

Example 3 with Clusterer

use of org.activityinfo.server.report.generator.map.cluster.Clusterer in project activityinfo by bedatadriven.

the class PiechartLayerGenerator method generate.

@Override
public void generate(TiledMap map, MapContent content) {
    // create the list of input point values
    List<PointValue> points = new ArrayList<PointValue>();
    List<PointValue> unmapped = new ArrayList<PointValue>();
    // 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());
    }
    Clusterer clusterer = ClustererFactory.fromClustering(layer.getClustering(), radiiCalculator, new BubbleIntersectionCalculator(layer.getMaxRadius()));
    generatePoints(map, layer, clusterer, points, unmapped);
    // add unmapped sites
    for (PointValue pv : unmapped) {
        content.getUnmappedSites().add(pv.getSite().getId());
    }
    List<Cluster> clusters = clusterer.cluster(map, points);
    // 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 PieMapMarker();
        sumSlices((PieMapMarker) marker, cluster.getPointValues());
        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.setIndicatorIds(new HashSet<Integer>(layer.getIndicatorIds()));
        marker.setClusterAmount(cluster.getPointValues().size());
        marker.setClustering(layer.getClustering());
        markers.add(marker);
    }
    // number markers if applicable
    if (layer.getLabelSequence() != null) {
        numberMarkers(markers);
    }
    PieChartLegend legend = new PieChartLegend();
    legend.setDefinition(layer);
    content.getMarkers().addAll(markers);
    content.addLegend(legend);
}