223 lines
6.8 KiB
Text
223 lines
6.8 KiB
Text
//= depend_on settings.yml
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//= depend_on settings.local.yml
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//= depend_on layers.yml
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//= depend_on key.yml
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OSM = {
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...<%=
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%i[
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matomo
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max_request_area
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server_protocol
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server_url
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api_version
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status
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max_note_request_area
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overpass_url
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overpass_credentials
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nominatim_url
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graphhopper_url
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fossgis_osrm_url
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fossgis_valhalla_url
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thunderforest_key
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tracestrack_key
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]
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.each_with_object({}) do |key, hash|
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hash[key.to_s.upcase] = Settings.send(key) if Settings.respond_to?(key)
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end.to_json
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%>,
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DEFAULT_LOCALE: <%= I18n.default_locale.to_json %>,
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LAYER_DEFINITIONS: <%= YAML.load_file(Rails.root.join("config/layers.yml")).to_json %>,
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LAYERS_WITH_MAP_KEY: <%= YAML.load_file(Rails.root.join("config/key.yml")).keys.to_json %>,
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MARKER_GREEN: <%= image_path("marker-green.png").to_json %>,
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MARKER_RED: <%= image_path("marker-red.png").to_json %>,
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MARKER_ICON: <%= image_path("leaflet/dist/images/marker-icon.png").to_json %>,
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MARKER_ICON_2X: <%= image_path("leaflet/dist/images/marker-icon-2x.png").to_json %>,
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MARKER_SHADOW: <%= image_path("leaflet/dist/images/marker-shadow.png").to_json %>,
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NEW_NOTE_MARKER: <%= image_path("new_note_marker.svg").to_json %>,
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OPEN_NOTE_MARKER: <%= image_path("open_note_marker.svg").to_json %>,
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CLOSED_NOTE_MARKER: <%= image_path("closed_note_marker.svg").to_json %>,
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apiUrl: function (object) {
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const apiType = object.type === "note" ? "notes" : object.type;
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let url = "/api/" + OSM.API_VERSION + "/" + apiType + "/" + object.id;
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if (object.type === "way" || object.type === "relation") {
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url += "/full";
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} else if (object.version) {
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url += "/" + object.version;
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}
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return url;
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},
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params: function (search) {
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const query = search || location.search;
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return Object.fromEntries(new URLSearchParams(query));
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},
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mapParams: function (search) {
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const params = OSM.params(search),
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geoURI = URL.canParse(params.geouri) ? new URL(params.geouri) : {},
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mapParams = {};
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if (params.mlon && params.mlat) {
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mapParams.marker = true;
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mapParams.mlon = parseFloat(params.mlon);
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mapParams.mlat = parseFloat(params.mlat);
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}
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if (geoURI.lon && geoURI.lat) {
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mapParams.marker = true;
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mapParams.mlon = parseFloat(geoURI.lon);
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mapParams.mlat = parseFloat(geoURI.lat);
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}
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// Old-style object parameters; still in use for edit links e.g. /edit?way=1234
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for (const type of ["node", "way", "relation", "note"]) {
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if (params[type]) {
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mapParams.object = { type, id: parseInt(params[type], 10) };
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}
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}
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const hash = OSM.parseHash(location.hash);
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const loc = Cookies.get("_osm_location")?.split("|");
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function bboxToLatLngBounds({ minlon, minlat, maxlon, maxlat }) {
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return L.latLngBounds([minlat, minlon], [maxlat, maxlon]);
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}
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// Decide on a map starting position. Various ways of doing this.
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if (hash.center) {
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mapParams.lon = hash.center.lng;
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mapParams.lat = hash.center.lat;
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mapParams.zoom = hash.zoom;
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} else if (params.bbox) {
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const [minlon, minlat, maxlon, maxlat] = params.bbox.split(",");
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mapParams.bounds = bboxToLatLngBounds({ minlon, minlat, maxlon, maxlat });
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} else if (params.minlon && params.minlat && params.maxlon && params.maxlat) {
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mapParams.bounds = bboxToLatLngBounds(params);
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} else if (params.mlon && params.mlat) {
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mapParams.lon = params.mlon;
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mapParams.lat = params.mlat;
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mapParams.zoom = params.zoom || 12;
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} else if (geoURI.pathname) {
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[mapParams.lat, mapParams.lon] = geoURI.pathname.split(",");
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mapParams.zoom = geoURI.searchParams?.get("z") || (geoURI.pathname.replaceAll(/,?[-\d]+\./g, "").length / 0.6) - 2;
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} else if (loc) {
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[mapParams.lon, mapParams.lat, mapParams.zoom] = loc;
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} else if (OSM.home) {
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mapParams.lon = OSM.home.lon;
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mapParams.lat = OSM.home.lat;
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mapParams.zoom = 10;
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} else if (OSM.location) {
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mapParams.bounds = bboxToLatLngBounds(OSM.location);
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} else {
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mapParams.lon = -0.1;
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mapParams.lat = 51.5;
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mapParams.zoom = params.zoom || 5;
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}
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if (typeof mapParams.lat === "string") mapParams.lat = parseFloat(mapParams.lat);
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if (typeof mapParams.lon === "string") mapParams.lon = parseFloat(mapParams.lon);
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if (typeof mapParams.zoom === "string") mapParams.zoom = parseInt(mapParams.zoom, 10);
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mapParams.layers = hash.layers || (loc && loc[3]) || "";
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const scale = parseFloat(params.scale);
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if (scale > 0) {
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mapParams.zoom = Math.log(360.0 / (scale * 512.0)) / Math.log(2.0);
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}
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return mapParams;
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},
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parseHash: function (hash) {
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const args = {};
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const i = hash.indexOf("#");
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if (i < 0) {
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return args;
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}
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const hashParams = new URLSearchParams(hash.slice(i + 1));
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const map = (hashParams.get("map") || "").split("/"),
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zoom = parseInt(map[0], 10),
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lat = parseFloat(map[1]),
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lon = parseFloat(map[2]);
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if (!isNaN(zoom) && !isNaN(lat) && !isNaN(lon)) {
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args.center = new L.LatLng(lat, lon);
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args.zoom = zoom;
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}
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if (hashParams.has("layers")) {
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args.layers = hashParams.get("layers");
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}
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return args;
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},
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formatHash: function (args) {
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let center, zoom, layers;
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if (args instanceof L.Map) {
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center = args.getCenter();
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zoom = args.getZoom();
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layers = args.getLayersCode();
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} else {
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center = args.center || L.latLng(args.lat, args.lon);
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zoom = args.zoom;
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layers = args.layers || "";
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}
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layers = layers.replace("M", "");
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let hash = "#map=" + [zoom, ...OSM.cropLocation(center, zoom)].join("/");
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if (layers) {
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hash += "&layers=" + layers;
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}
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return hash;
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},
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zoomPrecision: function (zoom) {
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const pixels = Math.pow(2, 8 + zoom);
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const degrees = 180;
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return Math.ceil(Math.log10(pixels / degrees));
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},
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cropLocation: function (latLng, zoom) {
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const precision = OSM.zoomPrecision(zoom),
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wrapped = latLng.wrap();
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return [wrapped.lat, wrapped.lng].map(c => c.toFixed(precision));
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},
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locationCookie: function (map) {
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const zoom = map.getZoom(),
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center = OSM.cropLocation(map.getCenter(), zoom).reverse();
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return [...center, zoom, map.getLayersCode()].join("|");
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},
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distance: function (latlng1, latlng2) {
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const lat1 = latlng1.lat * Math.PI / 180,
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lng1 = latlng1.lng * Math.PI / 180,
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lat2 = latlng2.lat * Math.PI / 180,
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lng2 = latlng2.lng * Math.PI / 180,
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latdiff = lat2 - lat1,
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lngdiff = lng2 - lng1;
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return 6372795 * 2 * Math.asin(
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Math.sqrt(
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Math.pow(Math.sin(latdiff / 2), 2) +
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(Math.cos(lat1) * Math.cos(lat2) * Math.pow(Math.sin(lngdiff / 2), 2))
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));
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}
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};
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