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<!DOCTYPE html>
<html lang="fr">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Décodeur METAR / TAF — Télépilote UAS</title>
<style>
:root {
--bg: #0a0e14;
--panel: #111820;
--border: #1e2a36;
--text: #c8d6e0;
--dim: #5a7080;
--green: #00e676;
--amber: #ffab00;
--red: #ff5252;
--cyan: #00e5ff;
--blue: #448aff;
--mono: 'SF Mono','Cascadia Mono','Consolas',ui-monospace,monospace;
--sans: system-ui,-apple-system,'Segoe UI',sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:var(--sans); background:var(--bg); color:var(--text); min-height:100vh; }
header {
background: linear-gradient(180deg, #0f1922 0%, var(--bg) 100%);
border-bottom: 1px solid var(--border);
padding: 24px 20px 18px; text-align: center;
}
header h1 {
font-family: var(--mono); font-size: 1.3rem; font-weight: 700;
color: var(--cyan); letter-spacing: 2px; text-transform: uppercase;
}
header p { font-size: .78rem; color: var(--dim); margin-top: 4px; }
.search-bar {
display: flex; justify-content: center; align-items: center;
gap: 10px; padding: 20px; flex-wrap: wrap;
}
.search-bar input {
font-family: var(--mono); font-size: 1.2rem; text-transform: uppercase;
text-align: center; letter-spacing: 4px; width: 160px; padding: 10px 14px;
background: var(--panel); border: 2px solid var(--border); border-radius: 8px;
color: var(--cyan); outline: none; transition: border-color .2s;
}
.search-bar input:focus { border-color: var(--cyan); }
.search-bar input::placeholder { color: var(--dim); letter-spacing: 2px; font-size: .9rem; }
.btn {
font-family: var(--sans); font-size: .88rem; font-weight: 600;
padding: 10px 22px; border: none; border-radius: 8px; cursor: pointer; transition: all .2s;
}
.btn-fetch { background: var(--cyan); color: var(--bg); }
.btn-fetch:hover { background: #00b8d4; transform: translateY(-1px); }
.btn-fetch:disabled { opacity:.4; cursor:not-allowed; transform:none; }
.search-info { font-size:.72rem; color:var(--dim); width:100%; text-align:center; margin-top:4px; }
#status {
text-align:center; padding:6px; font-size:.82rem;
font-family:var(--mono); min-height:24px;
}
.status-loading { color:var(--amber); }
.status-ok { color:var(--green); }
.status-err { color:var(--red); }
.container { max-width:960px; margin:0 auto; padding:0 16px 40px; }
.raw-block {
background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
padding: 16px 18px; margin: 16px 0; font-family: var(--mono); font-size: .82rem;
line-height: 1.6; color: var(--green); word-break: break-all; white-space: pre-wrap;
position: relative;
}
.raw-block .label {
position: absolute; top: -9px; left: 14px; background: var(--panel);
padding: 0 8px; font-size: .68rem; color: var(--dim); letter-spacing: 1px;
text-transform: uppercase;
}
.section {
background: var(--panel); border: 1px solid var(--border);
border-radius: 10px; margin: 16px 0; overflow: hidden;
}
.section-head {
display: flex; align-items: center; gap: 10px; padding: 14px 18px;
border-bottom: 1px solid var(--border); cursor: pointer; user-select: none;
}
.section-head:hover { background: rgba(255,255,255,.02); }
.section-head h2 {
font-family: var(--mono); font-size: .88rem; font-weight: 600;
color: var(--cyan); letter-spacing: 1px;
}
.section-head .arrow { color:var(--dim); font-size:.7rem; transition:transform .2s; }
.section-head.open .arrow { transform:rotate(90deg); }
.section-body { padding: 16px 18px; display:none; }
.section-body.open { display:block; }
.decode-grid {
display: grid; grid-template-columns: 140px 1fr; gap: 6px 16px; font-size: .84rem;
}
.decode-grid .lbl {
font-family: var(--mono); font-size: .75rem; color: var(--dim);
text-transform: uppercase; letter-spacing: .5px; padding-top: 2px;
}
.decode-grid .val { color: var(--text); line-height: 1.5; }
.decode-grid .val strong { color: var(--green); font-weight:600; }
.decode-grid .val .warn { color: var(--amber); }
.decode-grid .val .danger { color: var(--red); font-weight:700; }
.taf-period {
border: 1px solid var(--border); border-radius: 8px; margin: 10px 0; overflow: hidden;
}
.taf-period-head {
padding: 10px 14px; font-family: var(--mono); font-size: .78rem;
font-weight: 600; border-bottom: 1px solid var(--border);
}
.taf-period-head.base { background: rgba(0,230,118,.06); color: var(--green); }
.taf-period-head.tempo { background: rgba(255,171,0,.06); color: var(--amber); }
.taf-period-head.becmg { background: rgba(68,138,255,.06); color: var(--blue); }
.taf-period-body { padding: 12px 14px; }
/* ── SKY CHART ──────────────────────────────────── */
.sky-chart {
background: linear-gradient(180deg, #060d18 0%, #0b1628 30%, #152238 60%, #1a2e4a 85%, #1e3a52 100%);
border: 1px solid var(--border); border-radius: 10px;
margin: 16px 0; position: relative; overflow: hidden;
height: 400px;
}
.sky-chart .ground {
position: absolute; bottom: 0; left: 0; right: 0; height: 20px;
background: linear-gradient(180deg, #2a4a2a 0%, #1a3a1a 100%);
border-top: 2px solid #3a6a3a;
}
.sky-chart .ground-label {
position: absolute; bottom: 3px; left: 10px;
font-family: var(--mono); font-size: .62rem; color: #5a8a5a; letter-spacing:1px;
}
.sky-chart .scale-tick {
position: absolute; left: 0; width: 56px; text-align: right;
font-family: var(--mono); font-size: .58rem; color: var(--dim);
padding-right: 6px; transform: translateY(-50%);
}
.sky-chart .scale-line {
position: absolute; left: 60px; right: 0; height: 0;
border-top: 1px dotted rgba(90,112,128,.15);
}
.cloud-layer {
position: absolute; height: 30px;
border-radius: 15px; display: flex; align-items: center;
padding: 0 14px; font-family: var(--mono); font-size: .72rem;
transition: all .3s; gap: 8px;
}
.cloud-layer .cl-label { white-space: nowrap; overflow:hidden; text-overflow:ellipsis; }
.cloud-layer .cl-okta {
display: flex; gap: 2px;
}
.cloud-layer .cl-okta span {
width: 7px; height: 7px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3);
}
.cloud-layer .cl-okta span.f { background: rgba(255,255,255,.7); }
.cloud-layer.few { background:rgba(200,220,240,.07); border:1px solid rgba(200,220,240,.15); color:#80aac8; }
.cloud-layer.sct { background:rgba(200,220,240,.13); border:1px solid rgba(200,220,240,.22); color:#90b8d4; }
.cloud-layer.bkn { background:rgba(180,200,220,.22); border:1px solid rgba(180,200,220,.32); color:#a8c8dc; }
.cloud-layer.ovc { background:rgba(160,180,200,.35); border:1px solid rgba(160,180,200,.45); color:#c0d8e8; }
.cloud-layer.cb { background:rgba(255,82,82,.15); border:1px solid rgba(255,82,82,.35); color:var(--red); }
.cloud-layer.tcu { background:rgba(255,171,0,.12); border:1px solid rgba(255,171,0,.30); color:var(--amber); }
.sky-chart .sky-title {
position: absolute; top: 8px; right: 12px;
font-family: var(--mono); font-size: .65rem; color: var(--dim);
letter-spacing: 1px; text-transform: uppercase;
}
.sky-chart .drone-icon { position: absolute; font-size: 1.1rem; }
.sky-chart .limit-line {
position: absolute; left: 60px; right: 0; height: 0;
border-top: 1.5px dashed rgba(255,82,82,.5);
}
.sky-chart .limit-label {
position: absolute; right: 12px; transform: translateY(-110%);
font-family: var(--mono); font-size: .58rem; color: var(--red); opacity:.7;
}
.okta-bar { display: inline-flex; gap: 2px; margin-left: 6px; vertical-align: middle; }
.okta-bar .okta {
width: 8px; height: 8px; border-radius: 50%; border: 1px solid rgba(200,220,240,.3);
}
.okta-bar .okta.filled { background: var(--text); }
.verdict {
border-radius: 10px; padding: 18px 20px; margin: 20px 0; font-size: .88rem;
}
.verdict h3 {
font-family: var(--mono); font-size: .82rem; letter-spacing: 1px;
text-transform: uppercase; margin-bottom: 10px;
}
.verdict-go { background: rgba(0,230,118,.08); border: 1px solid rgba(0,230,118,.3); }
.verdict-go h3 { color: var(--green); }
.verdict-caution { background: rgba(255,171,0,.08); border: 1px solid rgba(255,171,0,.3); }
.verdict-caution h3 { color: var(--amber); }
.verdict-nogo { background: rgba(255,82,82,.08); border: 1px solid rgba(255,82,82,.3); }
.verdict-nogo h3 { color: var(--red); }
.verdict ul { list-style: none; padding: 0; }
.verdict li { padding: 3px 0; font-size: .82rem; }
.verdict li::before { content: '▸ '; color: var(--dim); }
.manual-toggle { text-align:center; margin:10px 0; }
.manual-toggle button {
background:none; border:none; color:var(--dim); font-size:.75rem;
cursor:pointer; text-decoration:underline;
}
.manual-toggle button:hover { color:var(--text); }
.manual-area { display:none; margin:10px auto; max-width:700px; }
.manual-area textarea {
width:100%; min-height:70px; padding:12px;
font-family:var(--mono); font-size:.82rem;
background:var(--panel); border:1px solid var(--border);
border-radius:8px; color:var(--green); resize:vertical;
}
.manual-area .btn { margin-top:8px; }
@media(max-width:600px) {
.decode-grid { grid-template-columns:1fr; gap:2px 0; }
header h1 { font-size:1rem; }
.sky-chart { height: 280px; }
.cloud-layer { font-size:.62rem; padding:0 8px; }
}
</style>
</head>
<body>
<header>
<h1>✈ Décodeur METAR / TAF</h1>
<p>Outil d'aide à l'interprétation météo — Télépilote UAS catégorie Spécifique</p>
</header>
<div class="search-bar">
<input type="text" id="icao-input" maxlength="4" placeholder="OACI" spellcheck="false">
<button class="btn btn-fetch" id="fetch-btn" onclick="fetchData()">Récupérer</button>
<div class="search-info">Code OACI de l'aérodrome (ex : LFPG, SOCA, LFBO…)</div>
</div>
<div class="manual-toggle">
<button onclick="toggleManual()">Saisie manuelle (copier-coller)</button>
</div>
<div class="manual-area" id="manual-area">
<textarea id="manual-metar" placeholder="Coller le METAR brut ici…"></textarea>
<textarea id="manual-taf" placeholder="Coller le TAF brut ici (optionnel)…" style="margin-top:8px"></textarea>
<button class="btn btn-fetch" onclick="decodeManual()">Décoder</button>
</div>
<div id="status"></div>
<div class="container" id="results" style="display:none">
<div class="raw-block" id="raw-metar-block">
<span class="label">METAR brut</span><span id="raw-metar"></span>
</div>
<div class="raw-block" id="raw-taf-block" style="display:none">
<span class="label">TAF brut</span><span id="raw-taf"></span>
</div>
<div id="sky-chart-wrap"></div>
<div class="section" id="metar-section">
<div class="section-head open" onclick="toggleSection(this)">
<span class="arrow">▶</span><h2>METAR — Décodage</h2>
</div>
<div class="section-body open" id="metar-decode"></div>
</div>
<div class="section" id="taf-section" style="display:none">
<div class="section-head open" onclick="toggleSection(this)">
<span class="arrow">▶</span><h2>TAF — Décodage</h2>
</div>
<div class="section-body open" id="taf-decode"></div>
</div>
<div id="verdict"></div>
</div>
<script>
const API_BASE = 'https://aviationweather.gov/api/data';
const PROXY = 'https://corsproxy.io/?';
const SM_TO_M = 1609.34;
const KT_TO_KMH = 1.852;
const WX_CODES = {
'+':'Fort','-':'Faible','VC':'Au voisinage',
'MI':'Mince','BC':'Bancs','PR':'Partiel','DR':'Chasse basse',
'BL':'Chasse élevée','SH':'Averses','TS':'Orage','FZ':'Se congelant','RE':'Récent',
'DZ':'Bruine','RA':'Pluie','SN':'Neige','SG':'Neige en grains',
'IC':'Cristaux de glace','PL':'Granules de glace','GR':'Grêle',
'GS':'Grésil','UP':'Précipitation inconnue',
'BR':'Brume (1-5 km)','FG':'Brouillard (<1 km)','FU':'Fumée',
'VA':'Cendres volcaniques','DU':'Poussière','SA':'Sable',
'HZ':'Brume sèche (haze)','PY':'Embruns',
'PO':'Tourbillon sable/poussière','SQ':'Grain','FC':'Trombe',
'SS':'Tempête de sable','DS':'Tempête de poussière',
'NSW':'Pas de temps significatif','CAVOK':'CAVOK (visi ≥10 km, pas de CB, pas de nuages <1500m)'
};
const CLOUD_COVER = {
'FEW':'Quelques (1-2/8)','SCT':'Épars (3-4/8)','BKN':'Fragmenté (5-7/8)','OVC':'Couvert (8/8)',
'SKC':'Ciel clair','CLR':'Ciel clair','NSC':'Pas de nuages significatifs','NCD':'Aucun nuage détecté','VV':'Visi verticale'
};
const COVER_OKTAS = {'FEW':2,'SCT':4,'BKN':6,'OVC':8};
const CLOUD_TYPE = {'CB':'Cumulonimbus ⚠','TCU':'Cumulus bourgeonnant ⚠'};
// ── UI ──
function toggleSection(el) { el.classList.toggle('open'); el.nextElementSibling.classList.toggle('open'); }
function toggleManual() { const m=document.getElementById('manual-area'); m.style.display=m.style.display==='none'?'block':'none'; }
function setStatus(msg,cls) { const el=document.getElementById('status'); el.textContent=msg; el.className=cls||''; }
function row(l,v) { return `<div class="lbl">${l}</div><div class="val">${v}</div>`; }
// ── FETCH ──
async function fetchData() {
const icao=document.getElementById('icao-input').value.trim().toUpperCase();
if (!/^[A-Z]{4}$/.test(icao)) { setStatus('Code OACI invalide (4 lettres)','status-err'); return; }
const btn=document.getElementById('fetch-btn'); btn.disabled=true;
setStatus('Récupération en cours…','status-loading');
try {
const [mR,tR]=await Promise.all([
fetch(`${PROXY}${encodeURIComponent(API_BASE+'/metar?ids='+icao+'&format=json')}`),
fetch(`${PROXY}${encodeURIComponent(API_BASE+'/taf?ids='+icao+'&format=json')}`)
]);
if (!mR.ok) throw new Error('Erreur serveur API');
const mD=await mR.json(), tD=tR.ok?await tR.json():[];
if (!mD||mD.length===0) { setStatus(`Aucun METAR pour ${icao}`,'status-err'); btn.disabled=false; return; }
renderAll(mD[0], tD&&tD.length>0?tD[0]:null);
try { localStorage.setItem('metar_icao',icao); } catch(e) {}
setStatus(`${icao} — ${mD[0].name||''} — données reçues`,'status-ok');
} catch(e) { setStatus('Erreur : '+e.message,'status-err'); }
btn.disabled=false;
}
function decodeManual() {
const rawM=document.getElementById('manual-metar').value.trim();
if (!rawM) { setStatus('Coller au moins un METAR','status-err'); return; }
const rawT=document.getElementById('manual-taf').value.trim();
renderAll({rawOb:rawM,_manual:true}, rawT?{rawTAF:rawT,_manual:true}:null);
setStatus('Décodage depuis saisie manuelle','status-ok');
}
// ── RENDER ALL ──
function renderAll(metar,taf) {
document.getElementById('results').style.display='block';
document.getElementById('raw-metar').textContent=metar.rawOb||'';
if (taf&&taf.rawTAF) {
document.getElementById('raw-taf').textContent=taf.rawTAF;
document.getElementById('raw-taf-block').style.display='block';
document.getElementById('taf-section').style.display='block';
} else {
document.getElementById('raw-taf-block').style.display='none';
document.getElementById('taf-section').style.display='none';
}
if (metar._manual) renderMetarFromRaw(metar.rawOb); else renderMetarFromJson(metar);
if (taf) { if (taf._manual) renderTafFromRaw(taf.rawTAF); else renderTafFromJson(taf); }
if (!metar._manual&&metar.clouds) renderSkyChart(metar.clouds,metar._condensFt||null,taf&&!taf._manual?taf:null); else document.getElementById('sky-chart-wrap').innerHTML='';
renderVerdict(metar,taf);
}
// ── FORMAT ──
function fmtWind(dir,spd,gust) {
if (dir==null&&spd==null) return '—';
if (dir===0&&spd===0) return 'Calme';
const d=dir==='VRB'?'Variable':`${String(dir).padStart(3,'0')}°`;
let s=` à <strong>${spd} kt</strong> (${Math.round(spd*KT_TO_KMH)} km/h)`;
if (gust) {
const gc=gust>=25?'danger':gust>=15?'warn':'';
s+=` — rafales <span class="${gc}"><strong>${gust} kt</strong> (${Math.round(gust*KT_TO_KMH)} km/h)</span>`;
}
return d+s;
}
function parseVisiSm(sm) {
if (sm==null||sm==='') return null;
if (typeof sm==='string') {
if (/[P>+]/.test(sm)||sm==='9999') return 99;
const n=parseFloat(sm); return isNaN(n)?null:n;
}
return typeof sm==='number'&&!isNaN(sm)?sm:null;
}
function fmtVisiSm(sm) {
const v=parseVisiSm(sm); if (v==null) return '—';
if (v>=7) return '≥ 10 km';
const m=Math.round(v*SM_TO_M);
return m>=9999?'≥ 10 km':m>=1000?`${(m/1000).toFixed(1)} km (${m} m)`:`${m} m`;
}
function fmtVisiM(m) {
if (m==null) return '—';
return m>=9999?'≥ 10 km':m>=1000?`${(m/1000).toFixed(1)} km (${m} m)`:`${m} m`;
}
function fmtClouds(clouds) {
if (!clouds||clouds.length===0) return 'Pas de nuages significatifs';
const sorted=[...clouds].sort((a,b)=>(b.base||0)-(a.base||0));
return sorted.map(c => {
const cover=CLOUD_COVER[c.cover]||c.cover;
const oktas=COVER_OKTAS[c.cover];
const oktaHtml=oktas!=null?' '+makeOktaBar(oktas):'';
const base=c.base!=null?` à ${c.base} ft (${Math.round(c.base*0.3048)} m)`:'';
const type=c.type?' — <span class="'+(c.type==='CB'?'danger':'warn')+'">'+(CLOUD_TYPE[c.type]||c.type)+'</span>':'';
return `${cover}${oktaHtml}${base}${type}`;
}).join('<br>');
}
function makeOktaBar(n) {
let h='<span class="okta-bar">';
for (let i=0;i<8;i++) h+=`<span class="okta${i<n?' filled':''}"></span>`;
return h+'</span>';
}
function fmtWx(wx) {
if (!wx) return 'Néant';
if (wx==='NSW') return WX_CODES.NSW;
const codes=Object.keys(WX_CODES).sort((a,b)=>b.length-a.length);
const parts=[]; let rem=wx;
while (rem.length>0) { let m=false; for (const c of codes) { if (rem.startsWith(c)) { parts.push(WX_CODES[c]); rem=rem.substring(c.length); m=true; break; } } if (!m) rem=rem.substring(1); }
return parts.length>0?`${wx} → ${parts.join(' / ')}`:wx;
}
function fmtTime(ts) {
if (!ts) return '—';
const d=new Date(typeof ts==='number'?ts*1000:ts);
const day=String(d.getUTCDate()).padStart(2,'0');
const hU=String(d.getUTCHours()).padStart(2,'0');
const mU=String(d.getUTCMinutes()).padStart(2,'0');
const hL=String(d.getHours()).padStart(2,'0');
const mL=String(d.getMinutes()).padStart(2,'0');
const utcStr=`${day}/${hU}:${mU}Z`;
const offset=d.getTimezoneOffset();
const sign=offset<=0?'+':'−';
const offH=Math.abs(Math.floor(offset/60));
const tzLabel=`UTC${sign}${offH}`;
if (offset===0) return utcStr;
return `${utcStr} <span style="color:var(--amber);font-size:.78em">(${hL}:${mL} locale ${tzLabel})</span>`;
}
function fmtPeriod(f,t) { return `${fmtTime(f)} → ${fmtTime(t)}`; }
function windClass(s,g) { const v=g||s||0; return v>=25?'danger':v>=15?'warn':''; }
function visiClass(sm) { const v=parseVisiSm(sm); if (v==null) return ''; const m=v*SM_TO_M; return m<3000?'danger':m<5000?'warn':''; }
// ── SKY CHART ──
function renderSkyChart(clouds,condensFt,taf) {
if (!clouds||clouds.length===0) { document.getElementById('sky-chart-wrap').innerHTML=''; return; }
const sorted=[...clouds].sort((a,b)=>(b.base||0)-(a.base||0));
const hasTaf=taf&&taf.fcsts&&taf.fcsts.length>0;
// Collect TAF cloud layers with probability
const tafLayers=[];
if (hasTaf) {
taf.fcsts.forEach(f=>{
if (!f.clouds||f.clouds.length===0) return;
const change=f.fcstChange||'BASE';
let opacity=1.0;
if (f.probability) opacity=f.probability/100; // PROB30→0.3, PROB40→0.4
else if (change==='TEMPO') opacity=0.6;
else if (change==='BECMG') opacity=0.8;
// Label
const prob=f.probability?`P${f.probability} `:'';
const label=change==='BASE'?'BASE':`${prob}${change}`;
f.clouds.forEach(c=>{
tafLayers.push({...c, opacity, label, change,
timeFrom:f.timeFrom, timeTo:f.timeTo});
});
});
}
// Scale
const allBases=[...sorted.map(c=>c.base||0),...tafLayers.map(c=>c.base||0)];
const BREAK_FT=3281;
const maxHighFt=Math.max(...allBases,condensFt||0,BREAK_FT);
const scaleHighMax=Math.ceil(maxHighFt/1000)*1000+1000;
const H=400, topP=32, botP=24, useH=H-topP-botP;
const halfH=useH*0.5;
const MID='50%'; // center divider position
function ftToY(ft) {
if (ft<=BREAK_FT) { return topP+useH-(ft/BREAK_FT)*halfH; }
else { return topP+halfH-((ft-BREAK_FT)/(scaleHighMax-BREAK_FT))*halfH; }
}
let html=`<div class="sky-chart" style="height:${H}px">`;
// Column headers
html+=`<div style="position:absolute;top:6px;left:62px;font-family:var(--mono);font-size:.62rem;color:var(--green);letter-spacing:1px;text-transform:uppercase">METAR — Observé</div>`;
if (hasTaf) {
html+=`<div style="position:absolute;top:6px;right:12px;font-family:var(--mono);font-size:.62rem;color:var(--amber);letter-spacing:1px;text-transform:uppercase">TAF — Prévu (axe → temps UTC)</div>`;
}
// Center divider
html+=`<div style="position:absolute;left:${MID};top:${topP}px;bottom:${botP}px;width:1px;background:rgba(90,112,128,.3)"></div>`;
// Scale ticks (left edge)
const lowTicks=[0,250,500,1000,1500,2000,2500,3000,3281];
lowTicks.forEach(ft=>{
const y=ftToY(ft); if (y<topP-5||y>H-botP+5) return;
const label=ft===3281?'1000m':ft>=1000?`${ft}ft`:`${ft}ft`;
html+=`<div class="scale-tick" style="top:${y}px">${label}</div>`;
html+=`<div class="scale-line" style="top:${y}px"></div>`;
});
const highStep=scaleHighMax<=6000?1000:scaleHighMax<=12000?2000:5000;
for (let ft=4000;ft<=scaleHighMax;ft+=highStep) {
const y=ftToY(ft); if (y<topP-5||y>H-botP+5) continue;
html+=`<div class="scale-tick" style="top:${y}px">${ft}ft</div>`;
html+=`<div class="scale-line" style="top:${y}px"></div>`;
}
// Zone break
const yBreak=ftToY(BREAK_FT);
html+=`<div style="position:absolute;left:58px;right:0;top:${yBreak}px;height:0;border-top:1px solid rgba(90,112,128,.25)"></div>`;
// 120m limit — full width
const y120=ftToY(394);
html+=`<div class="limit-line" style="top:${y120}px"></div>`;
html+=`<div class="limit-label" style="top:${y120-2}px">▲ 120 m max UAS</div>`;
// Drone
const yD=ftToY(262);
html+=`<div class="drone-icon" style="top:${yD-12}px;left:66px">🛸</div>`;
// Condensation — full width
if (condensFt&&condensFt>0&&condensFt<scaleHighMax) {
const yC=ftToY(condensFt);
html+=`<div style="position:absolute;left:60px;right:0;top:${yC}px;height:0;border-top:1.5px dashed rgba(0,229,255,.4)"></div>`;
html+=`<div style="position:absolute;left:64px;top:${yC+2}px;font-family:var(--mono);font-size:.58rem;color:var(--cyan);opacity:.8">💧 ${condensFt} ft (${Math.round(condensFt*0.3048)} m)</div>`;
}
// ── LEFT: METAR clouds ──
sorted.forEach(c => {
const base=c.base||0, y=ftToY(base);
const coverKey=c.cover||'';
const oktas=COVER_OKTAS[coverKey]||0;
// Width relative to left half (60px scale + to 50%)
const layerW=10+(oktas/8)*35; // % of total width, max ~45% (stays in left half)
let cls=coverKey.toLowerCase();
if (c.type==='CB') cls='cb'; else if (c.type==='TCU') cls='tcu';
const typeStr=c.type?` ${c.type}`:'';
let oktaDots='<span class="cl-okta">';
for (let i=0;i<8;i++) oktaDots+=`<span${i<oktas?' class="f"':''}></span>`;
oktaDots+='</span>';
html+=`<div class="cloud-layer ${cls}" style="top:${y-15}px;left:62px;width:${layerW}%;right:auto">`;
html+=`<span class="cl-label">${coverKey}${typeStr} ${base}ft</span>`;
html+=oktaDots;
html+=`</div>`;
});
// ── RIGHT: TAF clouds — X=time, Y=altitude ──
if (hasTaf&&tafLayers.length>0) {
const tafFrom=taf.validTimeFrom;
const tafTo=taf.validTimeTo;
const tafDur=tafTo-tafFrom;
// Right half: 51% to 99% of chart width
const RIGHT_L=51, RIGHT_R=99;
function timeToXpct(ts) {
const ratio=(ts-tafFrom)/tafDur;
return RIGHT_L+ratio*(RIGHT_R-RIGHT_L);
}
// Time axis ticks at bottom of right half
const tafStartH=new Date(tafFrom*1000).getUTCHours();
for (let ts=tafFrom;ts<=tafTo;ts+=3600) {
const h=new Date(ts*1000).getUTCHours();
const xPct=timeToXpct(ts);
if (xPct<RIGHT_L+1||xPct>RIGHT_R-1) continue;
// Vertical tick line
html+=`<div style="position:absolute;left:${xPct}%;top:${topP}px;bottom:${botP}px;width:0;border-left:1px dotted rgba(90,112,128,.12)"></div>`;
// Hour label at bottom
html+=`<div style="position:absolute;left:${xPct}%;bottom:${botP+2}px;transform:translateX(-50%);font-family:var(--mono);font-size:.5rem;color:var(--dim)">${String(h).padStart(2,'0')}Z</div>`;
}
tafLayers.forEach(c => {
const base=c.base||0, y=ftToY(base);
const coverKey=c.cover||'';
const oktas=COVER_OKTAS[coverKey]||0;
let cls=coverKey.toLowerCase();
if (c.type==='CB') cls='cb'; else if (c.type==='TCU') cls='tcu';
const typeStr=c.type?` ${c.type}`:'';
// X position from time
const xLeft=timeToXpct(c.timeFrom);
const xRight=timeToXpct(c.timeTo);
const widthPct=Math.max(xRight-xLeft,3); // min width 3%
// Okta dots
let oktaDots='<span class="cl-okta">';
for (let i=0;i<8;i++) oktaDots+=`<span${i<oktas?' class="f"':''}></span>`;
oktaDots+='</span>';
// Short label
const shortLabel=c.label==='BASE'?'':c.label+' ';
html+=`<div class="cloud-layer ${cls}" style="top:${y-15}px;left:${xLeft}%;width:${widthPct}%;right:auto;opacity:${c.opacity};padding:0 6px">`;
html+=`<span class="cl-label">${shortLabel}${coverKey}${typeStr}</span>`;
html+=oktaDots;
html+=`</div>`;
});
}
html+=`<div class="ground"><span class="ground-label">SOL — GND</span></div>`;
html+=`</div>`;
// Legend
if (hasTaf) {
html+=`<div style="display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin:6px 0 0;font-family:var(--mono);font-size:.6rem;color:var(--dim)">`;
html+=`<span>TAF : opacité = probabilité</span>`;
html+=`<span style="opacity:1">■ BASE/BECMG 80-100%</span>`;
html+=`<span style="opacity:.6">■ TEMPO 60%</span>`;
html+=`<span style="opacity:.4">■ PROB40 40%</span>`;
html+=`<span style="opacity:.3">■ PROB30 30%</span>`;
html+=`</div>`;
}
document.getElementById('sky-chart-wrap').innerHTML=html;
}
// ── METAR JSON ──
function renderMetarFromJson(m) {
const wc=windClass(m.wspd,m.wgst), vc=visiClass(m.visib);
let html='<div class="decode-grid">';
html+=row('Station',`<strong>${m.icaoId}</strong> — ${m.name||''} (alt. ${m.elev||'?'} m)`);
html+=row('Observation',fmtTime(m.reportTime||m.obsTime)+(m.metarType==='SPECI'?' <span class="warn">(SPECI)</span>':'')+(m.rawOb&&m.rawOb.includes('AUTO')?' (AUTO)':''));
html+=row('Vent',`<span class="${wc}">${fmtWind(m.wdir,m.wspd,m.wgst)}</span>`);
html+=row('Visibilité',`<span class="${vc}">${fmtVisiSm(m.visib)}</span>`+(m.fltCat?` — cat. <strong>${m.fltCat}</strong>`:''));
html+=row('Temps présent',fmtWx(m.wxString));
html+=row('Nuages',fmtClouds(m.clouds));
html+=row('Température',m.temp!=null?`${m.temp}°C`:'—');
html+=row('Point de rosée',m.dewp!=null?`${m.dewp}°C`:'—');
if (m.temp!=null&&m.dewp!=null) {
const sp=m.temp-m.dewp;
html+=row('Écart T°/Td',`${sp}°C${sp<=3?' <span class="warn">⚠ risque brouillard/condensation</span>':''}`);
const condensFt=Math.round(sp*400);
const condensM=Math.round(condensFt*0.3048);
html+=row('Base nuages est.',`<strong>≈ ${condensFt} ft (${condensM} m)</strong> <span style="font-size:.75rem;color:var(--dim)">— formule d'Espy : (T−Td) × 400 ft/°C</span>`);
html+=row('',`<span style="font-size:.72rem;color:var(--dim)">L'air se refroidit de ~2°C/1000 ft en montant, le point de rosée de ~0,5°C/1000 ft → l'écart se referme à ~1°C / 400 ft. Quand T = Td, la vapeur condense et les nuages se forment.</span>`);
m._condensFt = condensFt; // store for sky chart
}
html+=row('QNH',m.altim?`${m.altim} hPa`:'—');
html+='</div>';
// TEMPO inline
if (m.rawOb&&m.rawOb.includes('TEMPO')) {
const tm=m.rawOb.match(/TEMPO\s+(.+?)(?:=|$)/);
if (tm) {
html+=`<div style="margin-top:14px;padding:10px 12px;background:rgba(255,171,0,.06);border:1px solid rgba(255,171,0,.2);border-radius:8px">`;
html+=`<span style="font-family:var(--mono);font-size:.75rem;color:var(--amber);font-weight:600">TEMPO</span>`;
html+=`<span style="font-family:var(--mono);font-size:.78rem;color:var(--text);margin-left:10px">${tm[1].trim()}</span></div>`;
}
}
document.getElementById('metar-decode').innerHTML=html;
}
// ── METAR RAW ──
function renderMetarFromRaw(raw) {
const parts=raw.replace(/=\s*$/,'').split(/\s+/);
let html='<div class="decode-grid">',i=0,rawCondenseFt=null;
if (parts[i]==='METAR'||parts[i]==='SPECI') { html+=row('Type',parts[i]); i++; }
if (/^[A-Z]{4}$/.test(parts[i])) { html+=row('Station',`<strong>${parts[i]}</strong>`); i++; }
if (/^\d{6}Z$/.test(parts[i])) {
const dd=parts[i].substring(0,2),hh=parseInt(parts[i].substring(2,4)),mm=parts[i].substring(4,6);
const offsetMin=new Date().getTimezoneOffset();
const localH=((hh*60+parseInt(mm))-offsetMin+1440)%1440;
const lh=String(Math.floor(localH/60)).padStart(2,'0'),lm=String(localH%60).padStart(2,'0');
const sign=offsetMin<=0?'+':'−',offH=Math.abs(Math.floor(offsetMin/60));
const localStr=offsetMin===0?'':`<span style="color:var(--amber);font-size:.85em"> (${lh}:${lm} locale UTC${sign}${offH})</span>`;
html+=row('Date/heure',`Jour ${dd} à ${String(hh).padStart(2,'0')}:${mm} UTC${localStr}`); i++;
}
if (parts[i]==='AUTO') { html+=row('Auto','Station automatique'); i++; }
const wRe=/^(\d{3}|VRB)(\d{2,3})(G(\d{2,3}))?KT$/;
if (parts[i]&&wRe.test(parts[i])) {
const wm=parts[i].match(wRe);
html+=row('Vent',fmtWind(wm[1]==='VRB'?'VRB':parseInt(wm[1]),parseInt(wm[2]),wm[4]?parseInt(wm[4]):null)); i++;
}
if (parts[i]&&/^\d{3}V\d{3}$/.test(parts[i])) { html+=row('Vent variable',`entre ${parts[i].substring(0,3)}° et ${parts[i].substring(4)}°`); i++; }
if (parts[i]&&/^\d{4}$/.test(parts[i])) { html+=row('Visibilité',fmtVisiM(parseInt(parts[i]))); i++; }
else if (parts[i]==='CAVOK') { html+=row('Visibilité',WX_CODES.CAVOK); i++; }
const wxRe=/^[-+]?(VC)?(MI|BC|PR|DR|BL|SH|TS|FZ|RE)?(DZ|RA|SN|SG|IC|PL|GR|GS|UP|BR|FG|FU|VA|DU|SA|HZ|PY|PO|SQ|FC|SS|DS)+$/;
while (parts[i]&&wxRe.test(parts[i])) { html+=row('Temps',fmtWx(parts[i])); i++; }
const cRe=/^(FEW|SCT|BKN|OVC|VV)(\d{3})(CB|TCU)?$/;
const cLayers=[];
while (parts[i]&&(cRe.test(parts[i])||/^(SKC|CLR|NSC|NCD)$/.test(parts[i]))) {
if (/^(SKC|CLR|NSC|NCD)$/.test(parts[i])) { html+=row('Nuages',CLOUD_COVER[parts[i]]); i++; continue; }
const cm=parts[i].match(cRe); cLayers.push({cover:cm[1],base:parseInt(cm[2])*100,type:cm[3]||null}); i++;
}
if (cLayers.length>0) html+=row('Nuages',fmtClouds(cLayers));
const tRe=/^(M?\d{2})\/(M?\d{2})$/;
if (parts[i]&&tRe.test(parts[i])) {
const tm=parts[i].match(tRe);
const t=tm[1].replace('M','-'),d=tm[2].replace('M','-');
html+=row('Température',`${t}°C`);
html+=row('Point de rosée',`${d}°C`);
const sp=parseInt(t)-parseInt(d);
html+=row('Écart T°/Td',`${sp}°C${sp<=3?' <span class="warn">⚠ risque brouillard</span>':''}`);
const condensFt=Math.round(sp*400);
const condensM=Math.round(condensFt*0.3048);
html+=row('Base nuages est.',`<strong>≈ ${condensFt} ft (${condensM} m)</strong> <span style="font-size:.75rem;color:var(--dim)">— formule d'Espy : (T−Td) × 400 ft/°C</span>`);
html+=row('',`<span style="font-size:.72rem;color:var(--dim)">L'air se refroidit de ~2°C/1000 ft en montant, le point de rosée de ~0,5°C/1000 ft → l'écart se referme à ~1°C / 400 ft. Quand T = Td, la vapeur condense et les nuages se forment.</span>`);
rawCondenseFt=condensFt;
i++;
}
if (parts[i]&&/^Q\d{4}$/.test(parts[i])) { html+=row('QNH',`${parseInt(parts[i].substring(1))} hPa`); i++; }
const rem=parts.slice(i).join(' ');
if (rem&&rem!=='=') html+=row('Tendance',rem.replace('=',''));
html+='</div>';
if (cLayers.length>0) renderSkyChart(cLayers,rawCondenseFt);
document.getElementById('metar-decode').innerHTML=html;
}
// ── TAF JSON ──
function renderTafFromJson(taf) {
let html=`<div class="decode-grid" style="margin-bottom:14px">`;
html+=row('Station',`<strong>${taf.icaoId}</strong> — ${taf.name||''}`);
html+=row('Émission',fmtTime(taf.issueTime));
html+=row('Validité',fmtPeriod(taf.validTimeFrom,taf.validTimeTo));
html+='</div>';
if (taf.fcsts) taf.fcsts.forEach(f => {
const ch=f.fcstChange||'BASE', prob=f.probability?`PROB${f.probability} `:'';
const cls=ch==='TEMPO'?'tempo':ch==='BECMG'?'becmg':'base';
const per=ch==='BECMG'&&f.timeBec?`${fmtTime(f.timeBec)} → ${fmtTime(f.timeTo)} (transition depuis ${fmtTime(f.timeFrom)})`:fmtPeriod(f.timeFrom,f.timeTo);
html+=`<div class="taf-period"><div class="taf-period-head ${cls}">${prob}${ch==='BASE'?'PRÉVISION DE BASE':ch} — ${per}</div>`;
html+=`<div class="taf-period-body"><div class="decode-grid">`;
if (f.wdir!=null||f.wspd!=null) html+=row('Vent',`<span class="${windClass(f.wspd,f.wgst)}">${fmtWind(f.wdir,f.wspd,f.wgst)}</span>`);
if (f.visib!=null&&f.visib!=='') html+=row('Visibilité',`<span class="${visiClass(f.visib)}">${fmtVisiSm(f.visib)}</span>`);
if (f.wxString) html+=row('Temps',fmtWx(f.wxString));
if (f.clouds&&f.clouds.length>0) html+=row('Nuages',fmtClouds(f.clouds));
html+='</div></div></div>';
});
document.getElementById('taf-decode').innerHTML=html;
}
function renderTafFromRaw(raw) {
let html='<div class="decode-grid">';
html+=row('Brut',`<span style="color:var(--green)">${raw}</span>`);
html+='</div><p style="font-size:.72rem;color:var(--dim);margin-top:10px">ℹ Utiliser la récupération par code OACI pour le décodage complet du TAF.</p>';
document.getElementById('taf-decode').innerHTML=html;
}
// ── VERDICT ──
function renderVerdict(metar,taf) {
const issues=[]; let level='go';
if (!metar._manual&&metar.visib!=null) {
const vp=parseVisiSm(metar.visib);
if (vp!=null) {
const vm=vp*SM_TO_M;
if (vm<3000) { issues.push(`Visibilité ${Math.round(vm)} m — insuffisante STS-01 et STS-02`); level='nogo'; }
else if (vm<5000) { issues.push(`Visibilité ${Math.round(vm)} m — insuffisante STS-02 (min 5 km)`); if (level!=='nogo') level='caution'; }
}
}
if (!metar._manual&&metar.wspd!=null) {
const mx=Math.max(metar.wspd,metar.wgst||0);
if (mx>=25) { issues.push(`Vent/rafales ${mx} kt (${Math.round(mx*KT_TO_KMH)} km/h) — hors limites UAS en STS`); level='nogo'; }
else if (mx>=15) { issues.push(`Vent/rafales ${mx} kt (${Math.round(mx*KT_TO_KMH)} km/h) — vérifier les limites de votre UAS`); if (level!=='nogo') level='caution'; }
}
if (!metar._manual&&metar.wxString) {
if (metar.wxString.includes('TS')) { issues.push('Orage signalé (TS) — vol interdit'); level='nogo'; }
if (metar.wxString.includes('FG')) { issues.push('Brouillard (FG) — visibilité < 1 km'); level='nogo'; }
if (/SH|RA|DZ/.test(metar.wxString)) { issues.push('Précipitations — risque pour l\'électronique et capteurs'); if (level!=='nogo') level='caution'; }
}
if (!metar._manual&&metar.clouds) metar.clouds.forEach(c => {
if (c.type==='CB') { issues.push('Cumulonimbus (CB) — risque orageux, vol interdit'); level='nogo'; }
if (c.type==='TCU') { issues.push('Cumulus bourgeonnant (TCU) — surveiller évolution'); if (level!=='nogo') level='caution'; }
});
if (!metar._manual&&metar.temp!=null&&metar.dewp!=null) {
const sp=metar.temp-metar.dewp;
if (sp<=2) { issues.push(`Écart T°/Td = ${sp}°C — risque élevé brouillard`); if (level!=='nogo') level='caution'; }
}
if (taf&&!taf._manual&&taf.fcsts) taf.fcsts.forEach(f => {
const mg=Math.max(f.wspd||0,f.wgst||0);
if (mg>=25) { issues.push(`TAF : rafales ${mg} kt (${Math.round(mg*KT_TO_KMH)} km/h) prévues (${fmtPeriod(f.timeFrom,f.timeTo)}) — hors limites UAS`); if (level!=='nogo') level='caution'; }
if (f.wxString&&f.wxString.includes('TS')) { issues.push(`TAF : orage prévu (${fmtPeriod(f.timeFrom,f.timeTo)})`); level='nogo'; }
if (f.clouds) f.clouds.forEach(c => { if (c.type==='CB') { issues.push(`TAF : CB prévu (${fmtPeriod(f.timeFrom,f.timeTo)})`); level='nogo'; } });
});
const vc=level==='go'?'verdict-go':level==='caution'?'verdict-caution':'verdict-nogo';
const vi=level==='go'?'✅':level==='caution'?'⚠️':'🛑';
const vl=level==='go'?'CONDITIONS FAVORABLES':level==='caution'?'VIGILANCE REQUISE':'VOL DÉCONSEILLÉ';
let html=`<div class="verdict ${vc}"><h3>${vi} ${vl}</h3>`;
if (issues.length===0) html+='<p style="font-size:.84rem">Aucun critère défavorable détecté. Vérifier les limites de votre UAS et les NOTAM.</p>';
else html+='<ul>'+issues.map(i=>`<li>${i}</li>`).join('')+'</ul>';
html+='<p style="font-size:.7rem;color:var(--dim);margin-top:12px">⚠ Aide à l\'interprétation. Ne remplace pas l\'analyse du télépilote, les NOTAM ni les limites spécifiques de votre UAS.</p></div>';
document.getElementById('verdict').innerHTML=html;
}
document.getElementById('icao-input').addEventListener('keydown',e=>{ if (e.key==='Enter') fetchData(); });
// Restore last used airport
try { const saved=localStorage.getItem('metar_icao'); if (saved) document.getElementById('icao-input').value=saved; else document.getElementById('icao-input').value='SOCA'; } catch(e) { document.getElementById('icao-input').value='SOCA'; }
</script>
</body>
</html>