Examples with PlatformDataItem com.here.android.mpa.pde.PlatformDataItem used on opensource projects

Example 1 with PlatformDataItem

use of com.here.android.mpa.pde.PlatformDataItem in project here-android-sdk-examples by heremaps.

the class MapFragmentView method roadSlopes.

/**
 * Method contains logic for extracting data about slopes and showing it on a route
 */
private void roadSlopes() {
    final java.util.Map<String, Integer> slopesMap = new HashMap<>();
    final java.util.Map<String, List<GeoCoordinate>> geometryMap = new HashMap<>();
    /*
         * Create a route plan for route calculation
         */
    RoutePlan rp = new RoutePlan();
    rp.addWaypoint(new RouteWaypoint(new GeoCoordinate(37.79513, -122.47603)));
    rp.addWaypoint(new RouteWaypoint(new GeoCoordinate(37.78166, -122.44450)));
    CoreRouter router = new CoreRouter();
    /*
         * For getting list of Link IDs routing should be forced to work online
         */
    router.setConnectivity(CoreRouter.Connectivity.ONLINE);
    router.calculateRoute(rp, new CoreRouter.Listener() {

        @Override
        public void onCalculateRouteFinished(List<RouteResult> list, RoutingError routingError) {
            if (routingError == RoutingError.NONE) {
                Route route = list.get(0).getRoute();
                /*
                     * Show route on the map and zoom to the route
                     */
                GeoBoundingBox bbox = route.getBoundingBox();
                map.addMapObject(new MapRoute(route));
                map.zoomTo(bbox, Map.Animation.NONE, 0);
                /*
                     * Get list of Link IDs for the route
                     */
                final List<Long> ids = route.getPermanentLinkIds();
                for (Long id : ids) {
                    pvids.add(id);
                }
                Set<String> layers = new HashSet<>(Arrays.asList(ADAS_LAYER, ROAD_GEOM_LAYER));
                PlatformDataRequest request = PlatformDataRequest.createBoundingBoxRequest(layers, bbox);
                request.execute(new PlatformDataRequest.Listener<PlatformDataResult>() {

                    @Override
                    public void onCompleted(PlatformDataResult data, PlatformDataRequest.Error error) {
                        if (error == null) {
                            /*
                                 * Process route geometry from PDE
                                 */
                            PlatformDataItemCollection roadDataCollection = data.get(ROAD_GEOM_LAYER);
                            for (PlatformDataItem item : roadDataCollection) {
                                geometryMap.put(item.getLinkId(), item.getCoordinates());
                            }
                            /*
                                 * Process ADAS data from PDE
                                 */
                            PlatformDataItemCollection adasDataCollection = data.get(ADAS_LAYER);
                            for (PlatformDataItem item : adasDataCollection) {
                                List<String> values = new ArrayList<>();
                                /*
                                     * Split slopes data
                                     */
                                StringTokenizer tokenizer = new StringTokenizer(item.get("SLOPES"));
                                while (tokenizer.hasMoreTokens()) {
                                    String token = tokenizer.nextToken(",");
                                    /*
                                         * Filter out invalid data
                                         */
                                    if (!token.equals("NULL") && !token.equals("1000000000")) {
                                        values.add(token);
                                    }
                                }
                                /*
                                     * Mark slopes data if it contains either high or low value
                                     */
                                int max = 0;
                                int min = 0;
                                for (String str : values) {
                                    int temp = Integer.valueOf(str);
                                    if (temp > max)
                                        max = temp;
                                    if (temp < min)
                                        min = temp;
                                }
                                if ((min * -1) > max && min <= -5_000)
                                    slopesMap.put(item.getLinkId(), LOW_COLOR);
                                else if ((min * -1) < max && max >= 5_000)
                                    slopesMap.put(item.getLinkId(), HIGH_COLOR);
                            }
                            /*
                                 * Process list of geometry
                                 * find route segment with high or low slopes value
                                 * and add this geometry to the list
                                 */
                            List<MapObject> polylines = new ArrayList<>();
                            for (java.util.Map.Entry<String, List<GeoCoordinate>> entry : geometryMap.entrySet()) {
                                if (pvids.contains(Long.parseLong(entry.getKey()))) {
                                    GeoPolyline polyline = new GeoPolyline();
                                    polyline.add(entry.getValue());
                                    MapPolyline line = new MapPolyline(polyline);
                                    if (slopesMap.containsKey(entry.getKey())) {
                                        line.setLineColor(slopesMap.get(entry.getKey()));
                                        line.setLineWidth(15);
                                        polylines.add(line);
                                    }
                                }
                            }
                            /*
                                 * Show a list of slopes geometry on the map
                                 */
                            map.addMapObjects(polylines);
                        } else {
                            /*
                                 * Process PDE request error
                                 */
                            Log.i(TAG, "PDE error: " + error.getFaultCode());
                            Log.i(TAG, "PDE error: " + error.getMessage());
                            Log.i(TAG, "PDE error: " + error.getResponseCode());
                            Log.i(TAG, "PDE error: " + error.getType().toString());
                        }
                    }
                });
            } else {
                Log.e(TAG, "Routing error: " + routingError);
            }
        }

        @Override
        public void onProgress(int i) {
            Log.i(TAG, String.format("Route calculation progress: %d%%", i));
        }
    });
}