kopia lustrzana https://github.com/FacilMap/facilmap
441 wiersze
12 KiB
JavaScript
441 wiersze
12 KiB
JavaScript
var request = require("request-promise");
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var config = require("../config");
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var Promise = require("promise");
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var shortLinkCharArray = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_@";
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var nameFinderUrl = "https://nominatim.openstreetmap.org/search";
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var limit = 25;
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var stateAbbr = {
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"us" : {
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"alabama":"AL","alaska":"AK","arizona":"AZ","arkansas":"AR","california":"CA","colorado":"CO","connecticut":"CT",
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"delaware":"DE","florida":"FL","georgia":"GA","hawaii":"HI","idaho":"ID","illinois":"IL","indiana":"IN","iowa":"IA",
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"kansas":"KS","kentucky":"KY","louisiana":"LA","maine":"ME","maryland":"MD","massachusetts":"MA","michigan":"MI",
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"minnesota":"MN","mississippi":"MS","missouri":"MO","montana":"MT","nebraska":"NE","nevada":"NV","new hampshire":"NH",
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"new jersey":"NJ","new mexico":"NM","new york":"NY","north carolina":"NC","north dakota":"ND","ohio":"OH","oklahoma":"OK",
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"oregon":"OR","pennsylvania":"PA","rhode island":"RI","south carolina":"SC","south dakota":"SD","tennessee":"TN",
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"texas":"TX","utah":"UT","vermont":"VT","virginia":"VA","washington":"WA","west virginia":"WV","wisconsin":"WI","wyoming":"WY"
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},
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"it" : {
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"agrigento":"AG","alessandria":"AL","ancona":"AN","aosta":"AO","arezzo":"AR","ascoli piceno":"AP","asti":"AT",
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"avellino":"AV","bari":"BA","barletta":"BT","barletta-andria-trani":"BT","belluno":"BL","benevento":"BN",
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"bergamo":"BG","biella":"BI","bologna":"BO","bolzano":"BZ","brescia":"BS","brindisi":"BR","cagliari":"CA",
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"caltanissetta":"CL","campobasso":"CB","carbonia-iglesias":"CI","caserta":"CE","catania":"CT","catanzaro":"CZ",
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"chieti":"CH","como":"CO","cosenza":"CS","cremona":"CR","crotone":"KR","cuneo":"CN","enna":"EN","fermo":"FM",
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"ferrara":"FE","firenze":"FI","foggia":"FG","forli-cesena":"FC","frosinone":"FR","genova":"GE","gorizia":"GO",
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"grosseto":"GR","imperia":"IM","isernia":"IS","la spezia":"SP","l'aquila":"AQ","latina":"LT","lecce":"LE",
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"lecco":"LC","livorno":"LI","lodi":"LO","lucca":"LU","macerata":"MC","mantova":"MN","massa e carrara":"MS",
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"matera":"MT","medio campidano":"VS","messina":"ME","milano":"MI","modena":"MO","monza e brianza":"MB",
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"napoli":"NA","novara":"NO","nuoro":"NU","ogliastra":"OG","olbia-tempio":"OT","oristano":"OR","padova":"PD",
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"palermo":"PA","parma":"PR","pavia":"PV","perugia":"PG","pesaro e urbino":"PU","pescara":"PE","piacenza":"PC",
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"pisa":"PI","pistoia":"PT","pordenone":"PN","potenza":"PZ","prato":"PO","ragusa":"RG","ravenna":"RA",
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"reggio calabria":"RC","reggio emilia":"RE","rieti":"RI","rimini":"RN","roma":"RM","rovigo":"RO","salerno":"SA",
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"sassari":"SS","savona":"SV","siena":"SI","siracusa":"SR","sondrio":"SO","taranto":"TA","teramo":"TE","terni":"TR",
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"torino":"TO","trapani":"TP","trento":"TN","treviso":"TV","trieste":"TS","udine":"UD","varese":"VA","venezia":"VE",
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"verbano":"VB","verbano-cusio-ossola":"VB","vercelli":"VC","verona":"VR","vibo valentia":"VV","vicenza":"VI","viterbo":"VT"
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},
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"ca" : {
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"ontario":"ON","quebec":"QC","nova scotia":"NS","new brunswick":"NB","manitoba":"MB","british columbia":"BC",
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"prince edward island":"PE","saskatchewan":"SK","alberta":"AB","newfoundland and labrador":"NL"
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},
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"au" : {
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"australian capital territory":"ACT","jervis bay territory":"JBT","new south wales":"NSW","northern territory":"NT",
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"queensland":"QLD","south australia":"SA","tasmania":"TAS","victoria":"VIC","western australia":"WA"
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}
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};
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function find(query) {
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return Promise.resolve().then(function() {
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query = query.replace(/^\s+/, "").replace(/\s+$/, "");
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var lonlat = isLonLatQuery(query);
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if(lonlat) {
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return [ {
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lat: lonlat.lat,
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lon : lonlat.lon,
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type : "coordinates",
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short_name: lonlat.lat + ", " + lonlat.lon,
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display_name : lonlat.lat + ", " + lonlat.lon,
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zoom: lonlat.zoom,
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icon: "https://nominatim.openstreetmap.org/images/mapicons/poi_place_city.p.20.png"
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} ];
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}
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return request({
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url: nameFinderUrl + "?format=jsonv2&polygon_geojson=1&addressdetails=1&namedetails=1&limit=" + encodeURIComponent(limit) + "&extratags=1&q=" + encodeURIComponent(query),
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json: true,
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headers: {
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'User-Agent': config.userAgent
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}
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}).then(function(body) {
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if(!body)
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throw "Invalid response from name finder.";
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var results = [ ];
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body.forEach(function(result) {
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var displayName = makeDisplayName(result);
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results.push({
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short_name: displayName.split(',')[0],
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display_name: displayName,
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boundingbox: result.boundingbox,
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lat: result.lat,
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lon: result.lon,
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extratags: result.extratags,
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geojson: result.geojson,
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icon: result.icon || "https://nominatim.openstreetmap.org/images/mapicons/poi_place_city.p.20.png",
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type: result.type == "yes" ? result.category : result.type,
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osm_id: result.osm_id,
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osm_type: result.osm_type
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});
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});
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return results;
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});
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});
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}
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/**
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* Tries to format a search result in a readable way according to the address notation habits in
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* the appropriate country.
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* @param result {Object} A place object as returned by Nominatim
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* @return {String} A readable name for the search result
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*/
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function makeDisplayName(result) {
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// See http://en.wikipedia.org/wiki/Address_%28geography%29#Mailing_address_format_by_country for
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// address notation guidelines
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var type = result.type;
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var name = result.namedetails.name;
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var countryCode = result.address.country_code;
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var road = result.address.road;
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var housenumber = result.address.house_number;
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var suburb = result.address.town || result.address.suburb || result.address.village || result.address.hamlet || result.address.residential;
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var postcode = result.address.postcode;
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var city = result.address.city;
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var county = result.address.county;
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var state = result.address.state;
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var country = result.address.country;
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if([ "road", "residential", "town", "suburb", "village", "hamlet", "residential", "city", "county", "state" ].indexOf(type) != -1)
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name = "";
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if(!city && suburb)
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{
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city = suburb;
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suburb = "";
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}
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if(road)
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{
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switch(countryCode)
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{
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case "pl":
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road = "ul. "+road;
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break;
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case "ro":
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road = "str. "+road;
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break;
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}
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}
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// Add house number to road
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if(road && housenumber)
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{
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switch(countryCode)
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{
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case "ar":
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case "at":
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case "ca":
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case "de":
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case "hr":
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case "cz":
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case "dk":
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case "fi":
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case "is":
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case "il":
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case "it":
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case "nl":
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case "no":
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case "pe":
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case "pl":
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case "sk":
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case "si":
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case "se":
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case "tr":
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road += " "+housenumber;
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break;
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case "be":
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case "es":
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road += ", "+housenumber;
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break;
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case "cl":
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road += " N° "+housenumber;
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break;
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case "hu":
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road += " "+housenumber+".";
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break;
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case "id":
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road += " No. "+housenumber;
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break;
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case "my":
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road = "No." +housenumber+", "+road;
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break;
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case "ro":
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road += ", nr. "+road;
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break;
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case "au":
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case "fr":
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case "hk":
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case "ie":
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case "in":
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case "nz":
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case "sg":
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case "lk":
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case "tw":
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case "gb":
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case "us":
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default:
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road += housenumber+" "+road;
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break;
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}
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}
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// Add postcode and districts to city
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switch(countryCode)
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{
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case "ar":
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if(postcode && city)
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city = postcode+", "+city;
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else if(postcode)
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city = postcode;
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break;
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case "at":
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case "ch":
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case "de":
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if(city)
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{
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if(suburb)
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city += "-"+(suburb);
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suburb = null;
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if(type == "suburb" || type == "residential")
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type = "city";
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if(postcode)
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city = postcode+" "+city;
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}
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break;
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case "be":
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case "hr":
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case "cz":
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case "dk":
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case "fi":
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case "fr":
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case "hu":
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case "is":
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case "il":
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case "my":
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case "nl":
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case "no":
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case "sk":
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case "si":
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case "es":
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case "se":
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case "tr":
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if(city && postcode)
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city = postcode+" "+city;
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break;
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case "au":
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case "ca":
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case "us":
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if(city && state)
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{
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var thisStateAbbr = stateAbbr[countryCode][state.toLowerCase()];
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if(thisStateAbbr)
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{
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city += " "+thisStateAbbr;
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state = null;
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}
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}
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if(city && postcode)
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city += " "+postcode;
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else if(postcode)
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city = postcode;
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break;
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case "it":
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if(city)
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{
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if(county)
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{
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var countyAbbr = stateAbbr.it[county.toLowerCase().replace(/ì/g, "i")];
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if(countyAbbr)
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{
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city += " ("+countyAbbr+")";
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county = null;
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}
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}
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if(postcode)
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city = postcode+" "+city;
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}
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break;
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case "ro":
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if(city && county)
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{
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city += ", jud. "+county;
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county = null;
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}
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if(city && postcode)
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city += ", "+postcode;
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break;
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case "cl":
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case "hk":
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// Postcode rarely/not used
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case "ie":
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case "in":
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case "id":
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case "nz":
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case "pe":
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case "sg":
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case "lk":
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case "tw":
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case "gb":
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default:
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if(city && postcode)
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city = city+" "+postcode;
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else if(postcode)
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city = postcode;
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break;
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}
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var ret = [ ];
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if(name)
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ret.push(name);
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if(road)
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ret.push(road);
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if(suburb)
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ret.push(suburb);
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if(city)
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ret.push(city);
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if([ "residential", "town", "suburb", "village", "hamlet", "residential", "city", "county", "state" ].indexOf(type) != -1)
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{ // Searching for a town
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if(county && county != city)
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ret.push(county);
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if(state && state != city)
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ret.push(state);
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}
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if(country)
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ret.push(country);
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return ret.join(", ");
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}
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/**
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* Checks whether the given query string is a representation of coordinates, such as
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* 48.123,5.123 or an OSM permalink.
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* @param query {String}
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* @return {Object} An object with the properties “lonlat” and “zoom” or null
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*/
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function isLonLatQuery(query) {
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var query = query.replace(/^\s+/, "").replace(/\s+$/, "");
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var query_match,query_match2;
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if(query_match = query.match(/^http:\/\/(www\.)?osm\.org\/go\/([-A-Za-z0-9_@]+)/))
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{ // Coordinates, shortlink
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return decodeShortLink(query_match[2]);
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}
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if(query_match = query.match(/^(geo\s*:\s*)?(-?\s*\d+([.,]\d+)?)\s*[,;]?\s*(-?\s*\d+([.,]\d+)?)(\s*\?z\s*=\s*(\d+))?$/))
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{ // Coordinates
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return {
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lat: 1*query_match[2].replace(",", ".").replace(/\s+/, ""),
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lon : 1*query_match[4].replace(",", ".").replace(/\s+/, ""),
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zoom : query_match[7] != null ? 1*query_match[7] : 15
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};
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}
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function decodeQueryString(str) {
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var lonMatch,latMatch,leafletMatch;
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if((lonMatch = str.match(/[?&]lat=([^&]+)/)) && (latMatch = str.match(/[?&]lat=([^&]+)/))) {
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return {
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lat: 1*decodeURIComponent(latMatch[1]),
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lon: 1*decodeURIComponent(lonMatch[1]),
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zoom: 15
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};
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}
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if(leafletMatch = str.match(/(^|=)(\d+)\/(-?\d+(\.\d+)?)\/(-?\d+(\.\d+)?)(&|\/|$)/)) {
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return {
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lat: leafletMatch[3],
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lon: leafletMatch[5],
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zoom: leafletMatch[2]
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};
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}
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}
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if((query_match = query.match(/^https?:\/\/.*#(.*)$/)) && (query_match2 = decodeQueryString(query_match[1]))) {
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return query_match2;
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}
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if((query_match = query.match(/^https?:\/\/.*\?([^#]*)/)) && (query_match2 = decodeQueryString(query_match[1]))) {
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return query_match2;
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}
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return null;
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};
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/**
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* Decodes a string from FacilMap.Util.encodeShortLink().
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* @param encoded {String}
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* @return {Object} (lonlat: OpenLayers.LonLat, zoom: Number)
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*/
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function decodeShortLink(encoded) {
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var lon,lat,zoom;
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var m = encoded.match(/^([A-Za-z0-9_@]+)/);
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if(!m) return false;
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zoom = m[1].length*2+encoded.length-11;
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var c1 = 0;
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var c2 = 0;
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for(var i=0,j=54; i<m[1].length; i++,j-=6)
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{
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var bits = shortLinkCharArray.indexOf(m[1].charAt(i));
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if(j <= 30)
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c1 |= bits >>> (30-j);
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else if(j > 30)
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c1 |= bits << (j-30);
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if(j < 30)
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c2 |= (bits & (0x3fffffff >>> j)) << j;
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}
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var x = 0;
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var y = 0;
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for(var j=29; j>0;)
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{
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x = (x << 1) | ((c1 >> j--) & 1);
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y = (y << 1) | ((c1 >> j--) & 1);
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}
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for(var j=29; j>0;)
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{
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x = (x << 1) | ((c2 >> j--) & 1);
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y = (y << 1) | ((c2 >> j--) & 1);
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}
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x *= 4; // We can’t do <<= 2 here as x and y may be greater than 2³¹ and then the value would become negative
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y *= 4;
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lon = x*90.0/(1<<30)-180.0;
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lat = y*45.0/(1<<30)-90.0;
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return {
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lat : Math.round(lat*100000)/100000,
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lon: Math.round(lon*100000)/100000,
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zoom : zoom
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};
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}
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module.exports = {
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find: find
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}; |