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<!DOCTYPE html>
<html lang="fr">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Observatoire ANFR – Comptage optimisé (facettes)</title>
<style>
:root{
--bg:#0f172a; /* slate-900 */
--panel:#111827; /* gray-900 */
--muted:#94a3b8; /* slate-400 */
--fg:#e5e7eb; /* gray-200 */
--accent:#22c55e; /* green-500 */
--danger:#ef4444; /* red-500 */
--card:#111827;
--border:#1f2937; /* gray-800 */
}
*{box-sizing:border-box}
html,body{height:100%}
body{
margin:0; font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial;
color:var(--fg); background:linear-gradient(180deg, var(--bg), #030712 60%);
}
header{padding:24px 16px 8px; max-width:1200px; margin:0 auto}
h1{margin:0 0 6px; font-size:22px; font-weight:700}
p.lead{margin:0; color:var(--muted)}
main{max-width:1200px; margin:16px auto; padding:0 16px}
.panel{background:var(--panel); border:1px solid var(--border); border-radius:14px; padding:16px; box-shadow:0 10px 20px rgba(0,0,0,.35)}
.grid{display:grid; grid-template-columns:1.2fr .8fr; gap:16px}
@media (max-width:1000px){ .grid{grid-template-columns:1fr} }
label{display:block; font-weight:600; margin:8px 0 4px}
input[type="number"], input[type="text"], select{
width:100%; padding:10px 12px; border-radius:10px; border:1px solid var(--border); background:#0b1220; color:var(--fg);
}
.row{display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
.row-2{display:grid; grid-template-columns:1fr 1fr; gap:12px}
@media (max-width:760px){ .row{grid-template-columns:1fr} .row-2{grid-template-columns:1fr}}
.btns{display:flex; flex-wrap:wrap; gap:10px; margin-top:12px}
button, a.btn{
appearance:none; border:1px solid var(--border); background:#0b1220; color:var(--fg);
padding:10px 14px; border-radius:10px; cursor:pointer; font-weight:600;
}
button.primary{background:var(--accent); color:#04130b; border-color:#0f5132}
button.ghost{background:transparent}
button:disabled{opacity:.6; cursor:not-allowed}
.status{margin-top:10px; min-height:24px; color:var(--muted)}
.error{color:var(--danger)}
table{width:100%; border-collapse:collapse; overflow:auto; border-radius:12px; border:1px solid var(--border)}
th,td{padding:10px 12px; border-bottom:1px solid var(--border); text-align:right}
th:first-child, td:first-child{text-align:left}
thead th{position:sticky; top:0; background:#0d1322}
tfoot td{font-weight:700}
.badge{display:inline-block; padding:2px 8px; border-radius:999px; border:1px solid var(--border); color:var(--muted); font-size:12px}
.kpi{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin:12px 0}
.kpi .card{background:var(--card); border:1px solid var(--border); border-radius:12px; padding:14px}
.kpi .card h3{margin:0; font-size:13px; color:var(--muted); font-weight:600}
.kpi .card p{margin:6px 0 0; font-size:20px; font-weight:800}
iframe{width:100%; height:540px; border:1px solid var(--border); border-radius:12px}
.muted{color:var(--muted)}
.small{font-size:12px}
.spinner{display:inline-block; width:16px; height:16px; border:2px solid #2e374b; border-top-color:var(--accent); border-radius:50%; animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
code{background:#0b1220; border:1px solid var(--border); border-radius:8px; padding:2px 6px}
</style>
</head>
<body>
<header>
<h1>ANFR – Comptage optimisé des antennes et pylônes (facettes)</h1>
<p class="lead">Basé sur <span class="badge">/d4c/api/records/1.0/search/</span> – jeu de données <code>observatoire_2g_3g_4g</code>.</p>
</header>
<main class="grid">
<section class="panel">
<h2 style="margin-top:0">Paramètres</h2>
<div class="row">
<div>
<label for="lat">latitude</label>
<input id="lat" type="number" step="0.000001" placeholder="48.8566" value="45.770342" />
</div>
<div>
<label for="lon">longitude</label>
<input id="lon" type="number" step="0.000001" placeholder="2.3522" value="4.774298" />
</div>
<div>
<label for="radius">rayon (m)</label>
<input id="radius" type="number" step="10" placeholder="2500" value="2500" />
</div>
</div>
<div class="row-2" style="margin-top:8px">
<div>
<label for="method">méthode de comptage des pylônes</label>
<select id="method">
<option value="facets" selected>facettes (rapide)</option>
<option value="dedup">dédoublonnage sup_id (plus fiable si zone immense)</option>
</select>
<p class="small muted" style="margin:6px 0 0">Les totaux « antennes » sont toujours calculés par facette <code>generation</code>. Les « pylônes » utilisent par défaut la facette <code>sup_id</code>.</p>
<label style="margin-top:12px; display:flex; align-items:center; gap:8px">
<input id="forceJsonp" type="checkbox" /> Forcer le mode JSONP (contourne CORS)
</label>
<label style="margin-top:8px; display:flex; align-items:center; gap:8px">
<input id=\"usePublicProxies\" type=\"checkbox\" checked /> Essayer des proxys publics si JSONP échoue (non recommandé en production)
</label>
<label style="margin-top:8px">
proxy personnalisé (préfixe d’URL)
<input id="customProxy" type="text" placeholder="https://votre-proxy.exemple/fetch/" />
<span class="small muted">Laissez vide pour ne pas l’utiliser.</span>
</label>
</div>
<div>
<label> </label>
<div class="btns">
<button id="run" class="primary">Analyser</button>
<button id="showMap">Afficher la carte</button>
<button id="meta" class="ghost">Métadonnées du jeu</button>
<button id="tests" class="ghost">Tests</button>
</div>
</div>
</div>
<div class="status" id="status"></div>
</section>
<section class="panel">
<h2 style="margin-top:0">Carte</h2>
<iframe id="map" title="Carte ANFR"></iframe>
<p class="small muted">La carte est un <em>iframe</em> officiel ANFR filtré sur le disque (latitude, longitude, rayon) et les statuts « En service » et « Techniquement opérationnel ».</p>
</section>
<section class="panel" style="grid-column:1/-1">
<h2 style="margin-top:0">Résultats</h2>
<div class="kpi">
<div class="card"><h3>opérateurs détectés</h3><p id="kpiOps">—</p></div>
<div class="card"><h3>pylônes (tous opérateurs)</h3><p id="kpiPylAll">—</p></div>
<div class="card"><h3>antennes (tous opérateurs)</h3><p id="kpiAntAll">—</p></div>
</div>
<div style="overflow:auto">
<table id="tbl">
<thead>
<tr>
<th>opérateur</th>
<th>2G</th>
<th>3G</th>
<th>4G</th>
<th>5G</th>
<th>antennes</th>
<th>pylônes</th>
</tr>
</thead>
<tbody></tbody>
<tfoot>
<tr>
<td>total</td>
<td id="t2g">0</td>
<td id="t3g">0</td>
<td id="t4g">0</td>
<td id="t5g">0</td>
<td id="tant">0</td>
<td id="tpyl">0</td>
</tr>
</tfoot>
</table>
</div>
</section>
<section class="panel" style="grid-column:1/-1">
<h2 style="margin-top:0">Journal</h2>
<pre id="log" style="white-space:pre-wrap; background:#0b1220; border:1px solid var(--border); padding:12px; border-radius:12px; max-height:260px; overflow:auto"></pre>
</section>
</main>
<script>
(function(){
const API_BASE = "https://data.anfr.fr/d4c/api/records/1.0/search/"; // 1.0 pour geofilter.distance + facettes
const DATASET = "observatoire_2g_3g_4g";
const STATUS_FILTERS = ["En service", "Techniquement opérationnel"]; // 2G/3G/4G + 5G
const DISPLAY_LABEL = {
"ORANGE":"Orange",
"SFR":"SFR",
"BOUYGUES TELECOM":"Bouygues Telecom",
"FREE MOBILE":"Free Mobile",
"OUTREMER TELECOM":"SFR Caraïbes (OUTREMER TELECOM)",
"FREE CARAIBES":"Free Caraïbes",
"DIGICEL":"Digicel"
};
const PUBLIC_PROXIES = [
u => `https://cors.isomorphic-git.org/${u}`,
u => `https://api.allorigins.win/raw?url=${encodeURIComponent(u)}`,
u => `https://thingproxy.freeboard.io/fetch/${u}`
];
const $ = (id)=>document.getElementById(id);
const log = (msg)=>{$("log").textContent += msg+"\n"};
function setStatus(text, isError=false){
const el=$("status");
el.innerHTML = isError ? `<span class="error">${text}</span>` : text;
}
function validCoords(lat, lon){
return isFinite(lat) && isFinite(lon) && Math.abs(lat) <= 90 && Math.abs(lon) <= 180;
}
function zoomFromRadius(r){
if (r <= 300) return 17;
if (r <= 600) return 16;
if (r <= 1000) return 15;
if (r <= 2500) return 14;
if (r <= 5000) return 13;
if (r <= 10000) return 12;
if (r <= 25000) return 11;
if (r <= 50000) return 10;
if (r <= 100000) return 9;
return 8;
}
function mapUrl(lat, lon, r){
const zoom = zoomFromRadius(r);
const usp = new URLSearchParams();
usp.set("id", DATASET);
for(const s of STATUS_FILTERS){ usp.append("refine.statut", s); }
usp.set("geofilter.distance", `${lat},${lon},${r}`);
usp.set("datasetcard", "true");
usp.set("scrollWheelZoom", "true");
usp.set("location", `${zoom},${lat},${lon}`);
return `https://data.anfr.fr/visualisation/frame/map/?${usp.toString()}`;
}
function buildParams(base={}){
const usp = new URLSearchParams({ dataset: DATASET, rows: String(base.rows ?? 0) });
if(base.facets){ for(const f of base.facets) usp.append("facet", f); }
if(base.adm){ usp.append("refine.adm_lb_nom", base.adm); }
if(base.generation){ usp.append("refine.generation", base.generation); }
if(base.distance){ usp.append("geofilter.distance", base.distance); }
for(const s of STATUS_FILTERS){ usp.append("refine.statut", s); }
if(base.start != null){ usp.set("start", String(base.start)); }
if(base.rows != null){ usp.set("rows", String(base.rows)); }
return usp;
}
// --- Outils réseau ---
function ensureSuccess(url, data){
// Certains endpoints Opendatasoft renvoient un wrapper {status:"success"|"error"}
// cf. documentation Explore/Search v1 (JSONP) ; on normalise ici les erreurs pour le journal.
if(data && typeof data.status === "string" && data.status !== "success"){
const msg = data.message || data.error || "status=\""+data.status+"\"";
throw new Error("API ANFR: réponse en erreur pour " + url + " (" + msg + ")");
}
return data;
}
function mkJsonpUrl(url, cbParam, cbName){
const u = new URL(url, location.href);
// Assure le format JSONP explicitement
if(!u.searchParams.has('format')) u.searchParams.set('format','jsonp');
// Certaines instances exigent 'callback' et ignorent 'jsonp'
if(!u.searchParams.has(cbParam)) u.searchParams.set(cbParam, cbName);
return u.toString();
}
function jsonpOnce(url, cbParam){
return new Promise((resolve, reject)=>{
const cb = "jsonp_cb_" + Math.random().toString(36).slice(2);
const s = document.createElement("script");
s.async = true;
const timer = setTimeout(()=>{ cleanup(); reject(new Error("JSONP timeout")); }, 15000);
function cleanup(){
clearTimeout(timer);
try{ delete window[cb]; }catch(_){ window[cb]=undefined; }
if(s.parentNode) s.parentNode.removeChild(s);
}
window[cb] = (data)=>{ cleanup(); try{ resolve(ensureSuccess(s.src, data)); }catch(e){ reject(e); } };
s.onerror = ()=>{ cleanup(); reject(new Error("JSONP load error")); };
// IMPORTANT: certains domaines Opendatasoft exigent 'format=jsonp' EN PLUS du paramètre de callback
let src = mkJsonpUrl(url, cbParam, cb);
if(!/[?&]format=jsonp/i.test(src)){
src += (src.includes("?") ? "&" : "?") + "format=jsonp";
}
s.src = src;
document.body.appendChild(s);
});
}, 15000);
function cleanup(){
clearTimeout(timer);
delete window[cb];
if(s.parentNode) s.parentNode.removeChild(s);
}
window[cb] = (data)=>{ cleanup(); try{ resolve(ensureSuccess(s.src, data)); }catch(e){ reject(e);} };
s.onerror = ()=>{ cleanup(); reject(new Error("JSONP load error")); };
s.src = mkJsonpUrl(url, cbParam, cb);
document.body.appendChild(s);
});
}
async function jsonp(url){
// Essaie d'abord ?callback=, puis ?jsonp=
try{ return await jsonpOnce(url, "callback"); }
catch(e1){ log("⚠ JSONP with ?callback a échoué ("+e1.message+")"); }
return jsonpOnce(url, "jsonp");
}
catch(e1){ log("⚠ JSONP with ?callback a échoué ("+e1.message+")"); }
return jsonpOnce(url, "jsonp");
}
async function fetchViaProxies(url){
const custom = $("customProxy").value.trim();
const candidates = [];
if(custom){
const normalized = custom.endsWith("/") ? custom : custom + "/";
candidates.push((u)=> normalized + u);
}
if($("usePublicProxies").checked){
candidates.push(...PUBLIC_PROXIES);
}
for(const fn of candidates){
const proxied = fn(url);
try{
log("→ tentative via proxy : "+proxied);
const res = await fetch(proxied, { cache:"no-store" });
if(!res.ok) throw new Error("HTTP "+res.status);
// Certaines passerelles renvoient text/plain
const text = await res.text();
const data = JSON.parse(text);
return ensureSuccess(proxied, data);
}catch(err){
log("⚠ proxy KO : "+err.message);
}
}
throw new Error("Aucun proxy n'a fonctionné");
}
async function fetchJson(url){
// 1) essai direct CORS
try{
const res = await fetch(url, { mode:"cors", cache:"no-store" });
if(!res.ok) throw new Error(`HTTP ${res.status} – ${res.statusText}`);
const data = await res.json();
return ensureSuccess(url, data);
}catch(err1){
log("⚠ fetch CORS a échoué ("+err1.message+")");
}
// 2) JSONP
try{
if($("forceJsonp").checked){ log("⚠ mode forcé JSONP activé"); }
return await jsonp(url);
}catch(err2){
log("⚠ JSONP a échoué ("+err2.message+")");
}
// 3) proxys (custom + publics si cochés)
try{ return await fetchViaProxies(url); }
catch(err3){ log("⚠ proxys configurés indisponibles ("+err3.message+")"); }
// 4) dernier recours: tenter AllOrigins même si non coché
try{
log("⚠ dernier recours: tentative via AllOrigins");
const proxied = `https://api.allorigins.win/raw?url=${encodeURIComponent(url)}`;
const res = await fetch(proxied, { cache:"no-store" });
if(!res.ok) throw new Error("HTTP "+res.status);
const text = await res.text();
const data = JSON.parse(text);
return ensureSuccess(proxied, data);
}catch(err4){ log("⚠ AllOrigins KO ("+err4.message+")"); }
// 5) échec total
throw new Error("Impossible de récupérer les données (CORS/JSONP/Proxy)");
}catch(err1){
log("⚠ fetch CORS a échoué ("+err1.message+")");
}
// 2) forcé JSONP via UI ou fallback
try{
if($("forceJsonp").checked){ log("⚠ mode forcé JSONP activé"); }
return await jsonp(url);
}catch(err2){
log("⚠ JSONP a échoué ("+err2.message+")");
}
// 3) proxys si demandés
if($("usePublicProxies").checked || $("customProxy").value.trim()){
try{ return await fetchViaProxies(url); }
catch(err3){ log("⚠ proxys indisponibles ("+err3.message+")"); }
}
// 4) échec total
throw new Error("Impossible de récupérer les données (CORS/JSONP/Proxy)");
}
function getFacet(groups, name){
const g = (groups || []).find(x => x.name === name);
return g ? (g.facets || []) : [];
}
function facetsToMap(facets){
const m = Object.create(null);
for(const it of facets){ m[it.name] = it.count; }
return m;
}
async function getOperatorsInArea(lat, lon, r){
const p = buildParams({ facets:["adm_lb_nom"], rows:0, distance:`${lat},${lon},${r}` });
const url = `${API_BASE}?${p.toString()}`;
log("→ opérateurs présents : "+url);
const data = await fetchJson(url);
const ops = getFacet(data.facet_groups, "adm_lb_nom").map(f=>({ name:f.name, count:f.count }))
.sort((a,b)=>b.count-a.count);
return ops;
}
async function getStatsForOperator(lat, lon, r, operator, method){
const p = buildParams({ facets:["generation","sup_id"], rows:0, distance:`${lat},${lon},${r}`, adm:operator });
const url = `${API_BASE}?${p.toString()}`;
log("→ stats opérateur (facettes) : "+url);
const data = await fetchJson(url);
const genFacet = facetsToMap(getFacet(data.facet_groups, "generation"));
const antennes = (genFacet["2G"]||0)+(genFacet["3G"]||0)+(genFacet["4G"]||0)+(genFacet["5G"]||0);
let pylones = getFacet(data.facet_groups, "sup_id").length; // valeurs distinctes
if(method === "dedup"){
pylones = await countSupportsByDedup(lat, lon, r, operator);
}
return { operator, gen:genFacet, antennes, pylones };
}
async function getAllPylones(lat, lon, r, method){
if(method === "dedup"){ return countSupportsByDedup(lat, lon, r, null); }
const p = buildParams({ facets:["sup_id"], rows:0, distance:`${lat},${lon},${r}` });
const url = `${API_BASE}?${p.toString()}`;
log("→ pylônes (tous opérateurs, facette sup_id) : "+url);
const data = await fetchJson(url);
return getFacet(data.facet_groups, "sup_id").length;
}
async function countSupportsByDedup(lat, lon, r, operator){
// Pagination 1.0 (pas de 'fields' ni 'records_format' en 1.0)
const rows = 1000; let start = 0; const supports = new Set();
while(start < 10000){
const p = buildParams({ distance:`${lat},${lon},${r}`, rows, start });
if(operator){ p.append("refine.adm_lb_nom", operator); }
const url = `${API_BASE}?${p.toString()}`;
log("→ page supports (dédoublonnage) : "+url);
const data = await fetchJson(url);
const recs = Array.isArray(data.records) ? data.records : [];
if(recs.length === 0) break;
for(const rec of recs){
const sid = rec && rec.fields && rec.fields.sup_id;
if(sid!=null) supports.add(String(sid));
}
if(recs.length < rows) break;
start += rows;
}
return supports.size;
}
function fmt(n){ return n.toLocaleString("fr-FR"); }
function displayResults(opsStats, pylAll){
const tbody = $("tbl").querySelector("tbody");
tbody.innerHTML = "";
let t2=0,t3=0,t4=0,t5=0, tant=0, tpyl=0;
for(const s of opsStats){
const g2=s.gen["2G"]||0, g3=s.gen["3G"]||0, g4=s.gen["4G"]||0, g5=s.gen["5G"]||0;
const tr = document.createElement("tr");
const label = DISPLAY_LABEL[s.operator] || s.operator;
tr.innerHTML = `<td>${label}</td>
<td>${fmt(g2)}</td><td>${fmt(g3)}</td><td>${fmt(g4)}</td><td>${fmt(g5)}</td>
<td>${fmt(s.antennes)}</td><td>${fmt(s.pylones)}</td>`;
tbody.appendChild(tr);
t2+=g2; t3+=g3; t4+=g4; t5+=g5; tant+=s.antennes; tpyl+=s.pylones;
}
$("t2g").textContent = fmt(t2);
$("t3g").textContent = fmt(t3);
$("t4g").textContent = fmt(t4);
$("t5g").textContent = fmt(t5);
$("tant").textContent = fmt(tant);
$("tpyl").textContent = fmt(tpyl);
$("kpiOps").textContent = fmt(opsStats.length);
$("kpiPylAll").textContent = pylAll!=null? fmt(pylAll) : "—";
$("kpiAntAll").textContent = fmt(tant);
}
async function run(){
const lat = parseFloat($("lat").value);
const lon = parseFloat($("lon").value);
const r = parseInt($("radius").value,10);
const method = $("method").value;
$("log").textContent = "";
if(!validCoords(lat,lon) || !(r>0)){
setStatus("Veuillez renseigner une latitude/longitude valides et un rayon > 0.", true);
return;
}
setStatus(`<span class="spinner"></span> Analyse en cours…`);
try{
const ops = await getOperatorsInArea(lat,lon,r);
if(ops.length===0){
setStatus("Aucun opérateur détecté dans le disque demandé.");
displayResults([], 0);
return;
}
// stats par opérateur (petites rafales)
const pool = 3; const queue = ops.map(o=>o.name); const results = [];
async function worker(){
while(queue.length){
const op = queue.shift();
try{ results.push(await getStatsForOperator(lat,lon,r,op,method)); }
catch(e){ log("! échec opérateur "+op+" : "+e.message); }
}
}
await Promise.all(Array.from({length:Math.min(pool, ops.length)}, worker));
results.sort((a,b)=>b.antennes-a.antennes);
const pylAll = await getAllPylones(lat,lon,r,method);
displayResults(results, pylAll);
setStatus(`Terminé. ${results.length} opérateur(s) analysé(s).`);
$("map").src = mapUrl(lat,lon,r);
}catch(err){
console.error(err);
setStatus("Erreur : "+err.message, true);
}
}
// --- Jeux de tests unitaires ---
function runTests(){
const failures = [];
// Test 1: buildParams inclut dataset et rows=0 par défaut
const p1 = buildParams({});
if(p1.get("dataset") !== DATASET) failures.push("buildParams: dataset manquant");
if(p1.get("rows") !== "0") failures.push("buildParams: rows par défaut incorrect");
// Test 1b: refine.statut x2
const sCount = Array.from(p1.keys()).filter(k=>k==='refine.statut').length;
if(sCount !== 2) failures.push("buildParams: refine.statut devrait apparaître 2 fois");
// Test 2: zoomFromRadius (seuils)
if(zoomFromRadius(2500) !== 14) failures.push("zoomFromRadius: 2500m devrait donner 14");
if(zoomFromRadius(75000) !== 9) failures.push("zoomFromRadius: 75km devrait donner 9");
// Test 3: facetsToMap
const m = facetsToMap([{name:"2G",count:3},{name:"5G",count:1}]);
if(!(m["2G"]===3 && m["5G"]===1)) failures.push("facetsToMap: mappage incorrect");
// Test 4: mkJsonpUrl ajoute format=jsonp + callback
const uA = mkJsonpUrl("https://x/api", "callback", "cb");
if(!/format=jsonp/.test(uA) || !/callback=cb/.test(uA)) failures.push("mkJsonpUrl: format/jsonp ou callback manquant");
const uB = mkJsonpUrl("https://x/api?rows=0", "jsonp", "cb2");
if(!/format=jsonp/.test(uB) || !/jsonp=cb2/.test(uB)) failures.push("mkJsonpUrl: jsonp=cb2 manquant");
// Test 5: ensureSuccess lève en cas de status=error
try{ ensureSuccess("https://exemple", {status:"error", message:"boom"}); failures.push("ensureSuccess: aurait dû lever"); }catch(_){}
// Résultat
if(failures.length){
log("Tests: ❌ échecs\n - "+failures.join("\n - "));
alert("Tests: échecs\n"+failures.join("\n"));
} else {
log("Tests: ✅ tous les tests passés");
alert("Tests: tous les tests passés");
}
} else {
log("Tests: ✅ tous les tests passés");
alert("Tests: tous les tests passés");
}
} else {
log("Tests: ✅ tous les tests passés");
alert("Tests: tous les tests passés");
}
}
$("run").addEventListener("click", run);
$("showMap").addEventListener("click", ()=>{
const lat = parseFloat($("lat").value);
const lon = parseFloat($("lon").value);
const r = parseInt($("radius").value,10);
if(validCoords(lat,lon) && r>0){ $("map").src = mapUrl(lat,lon,r); }
});
$("meta").addEventListener("click", ()=>{
const url = "https://data.anfr.fr/visualisation/information/?id="+DATASET;
window.open(url, "_blank");
});
$("tests").addEventListener("click", runTests);
// initialiser la carte au chargement
$("map").src = mapUrl(parseFloat($("lat").value), parseFloat($("lon").value), parseInt($("radius").value,10));
})();
</script>
</body>
</html>