'use strict';
const MAP_CENTER_LAT = 25.7743;
const MAP_CENTER_LON = -80.1937;
const MAP_ZOOM = 11;
// IALA region: 'A' = Europe/Africa/Asia (red=port), 'B' = Americas/Japan (green=port)
// Can be changed from settings; default B for Colombian Caribbean
window.IALA_REGION = localStorage.getItem('ams_iala') || 'B';
// ── Capas ──────────────────────────────────────────────────────────────────
// Capa base OSM — cobertura mundial completa, todos los niveles de zoom
const osmLayer = new ol.layer.Tile({
source: new ol.source.OSM({ crossOrigin: 'anonymous' }),
opacity: 1.0,
});
// Placeholder — se mantiene la variable para no romper applyNightMode ni el array de capas
const oceanRefLayer = new ol.layer.Tile({
source: new ol.source.OSM({ crossOrigin: 'anonymous' }),
opacity: 0,
visible: false,
});
const seaMapLayer = new ol.layer.Tile({
source: new ol.source.XYZ({
url: 'https://tiles.openseamap.org/seamark/{z}/{x}/{y}.png',
crossOrigin: 'anonymous',
}),
opacity: 1.0,
});
const vesselsSource = new ol.source.Vector();
const aidsSource = new ol.source.Vector();
window.vesselsSource = vesselsSource;
const vesselsLayer = new ol.layer.Vector({ source: vesselsSource, zIndex: 10, declutter: true });
const aidsLayer = new ol.layer.Vector({ source: aidsSource, zIndex: 20, declutter: true });
// ── S-57 ENC vector layer ─────────────────────────────────────────────────
const encSource = new ol.source.Vector();
const encLayer = new ol.layer.Vector({
source: encSource,
zIndex: 19, // S-57 aids on top of everything except live AIS aids
style: encStyle,
// 1200 m/px ≈ zoom 7 — below that, don't render ENC symbols at all.
// Per-cell band ranges inside _cellShouldRender refine visibility further.
// Band 0 (custom cells like BARRANQUILLA) stay visible down to this limit.
maxResolution: 1200,
declutter: true,
});
// ── Bathymetry — split into 2 layers so SOUNDG (numbers) renders ON TOP of
// terrain & buildings (ECDIS S-52 layer order). DEPARE/DEPCNT/LANDMASK stay
// at low zIndex underneath the land mass.
const depthSource = new ol.source.Vector();
const depthLayer = new ol.layer.Vector({
source: depthSource,
zIndex: 2, // above OSM/seamap, below land/aids
visible: true,
style: depthStyle,
declutter: true,
// Painters' order: DEPARE deepest-first so shallower areas paint on top,
// then LANDMASK (covers any residual depth bleed), then DEPCNT contours.
renderOrder: (a, b) => {
const RANK = { DEPARE: 0, LANDMASK: 1, DEPCNT: 2 };
const ra = RANK[a.get('layer')] ?? 4;
const rb = RANK[b.get('layer')] ?? 4;
if (ra !== rb) return ra - rb;
if (a.get('layer') === 'DEPARE') {
return (b.get('depth_max') || 0) - (a.get('depth_max') || 0);
}
return 0;
},
});
// SOUNDG depth numbers — rendered above terrain & buildings but BELOW the
// aids/hazards layers, so buoys and wrecks always stay visible over the
// soundings (operational priority: navigation marks > depth numbers).
const soundSource = new ol.source.Vector();
const soundLayer = new ol.layer.Vector({
source: soundSource,
zIndex: 4.5,
visible: true,
style: soundStyle,
declutter: true,
});
// ── Zones layer (RESARE, CTNARE, ACHARE, TSSLPT, FAIRWY…) ────────────────────
// zIndex 3: drawn ON the water (above depths) but BELOW land polygons
const zoneSource = new ol.source.Vector();
const zoneLayer = new ol.layer.Vector({
source: zoneSource,
zIndex: 3,
style: zoneStyle,
visible: true,
});
// ── Land / terrain layer (LNDARE polygons, BUAARE, COALNE, structures) ───────
// zIndex 4: above zones so land covers channel overlays where there's terrain
const landSource = new ol.source.Vector();
const landLayer = new ol.layer.Vector({
source: landSource,
zIndex: 4,
style: landStyle,
visible: true,
renderOrder: (a, b) => {
const RANK = { LNDARE: 0, BUAARE: 1, COALNE: 2 };
const ra = RANK[a.get('layer')] ?? 3; // points (BRIDGE, HRBFAC, BUISGL…) on top
const rb = RANK[b.get('layer')] ?? 3;
return ra - rb;
},
});
// ── Hazards layer (WRECKS, OBSTRN, UWTROC) ───────────────────────────────────
const hazardSource = new ol.source.Vector();
const hazardLayer = new ol.layer.Vector({
source: hazardSource,
zIndex: 6,
style: hazardStyle,
maxResolution: 150,
declutter: true,
visible: true,
});
// ── Canvas symbol cache ───────────────────────────────────────────────────
const _iconCache = {};
window._iconCache = _iconCache; // expose for settings live-update
function _cachedIcon(key, drawFn) {
if (!_iconCache[key]) _iconCache[key] = drawFn();
return _iconCache[key];
}
// ── Ship canvas ───────────────────────────────────────────────────────────
function _drawShip(color, sz = 32) {
const c = document.createElement('canvas');
c.width = c.height = sz;
const ctx = c.getContext('2d');
const h = sz / 2;
ctx.save();
ctx.translate(h, h);
// hull
ctx.beginPath();
ctx.moveTo(0, -h + 3); // bow
ctx.bezierCurveTo(6, -4, 6, 4, 5, h - 3); // starboard
ctx.lineTo(-5, h - 3); // stern
ctx.bezierCurveTo(-6, 4, -6, -4, 0, -h + 3); // port
ctx.closePath();
ctx.fillStyle = color;
ctx.fill();
ctx.strokeStyle = 'rgba(255,255,255,0.85)';
ctx.lineWidth = 1.5;
ctx.stroke();
// bridge rect
ctx.fillStyle = 'rgba(255,255,255,0.35)';
ctx.fillRect(-3, -2, 6, 6);
// bow arrow
ctx.beginPath();
ctx.moveTo(0, -h + 2);
ctx.lineTo(3, -h + 8);
ctx.lineTo(-3, -h + 8);
ctx.closePath();
ctx.fillStyle = 'rgba(255,255,255,0.6)';
ctx.fill();
ctx.restore();
return c;
}
// ── Aid canvas helpers ────────────────────────────────────────────────────
function _drawCircleDiamond(fill, stroke, sz = 22) {
const c = document.createElement('canvas');
c.width = c.height = sz;
const ctx = c.getContext('2d');
const h = sz / 2;
// circle body
ctx.beginPath();
ctx.arc(h, h, h - 2, 0, Math.PI * 2);
ctx.fillStyle = fill;
ctx.fill();
ctx.strokeStyle = stroke;
ctx.lineWidth = 2;
ctx.stroke();
// inner diamond
ctx.beginPath();
ctx.moveTo(h, 3); ctx.lineTo(sz - 3, h);
ctx.lineTo(h, sz - 3); ctx.lineTo(3, h);
ctx.closePath();
ctx.strokeStyle = 'rgba(255,255,255,0.7)';
ctx.lineWidth = 1.5;
ctx.stroke();
return c;
}
function _drawLighthouse(fill, sz = 26) {
const c = document.createElement('canvas');
c.width = c.height = sz;
const ctx = c.getContext('2d');
const h = sz / 2;
// 8-point star
ctx.beginPath();
for (let i = 0; i < 8; i++) {
const a = (i * Math.PI) / 4;
const r = i % 2 === 0 ? h - 1 : (h - 1) * 0.45;
const x = h + Math.cos(a - Math.PI / 2) * r;
const y = h + Math.sin(a - Math.PI / 2) * r;
i === 0 ? ctx.moveTo(x, y) : ctx.lineTo(x, y);
}
ctx.closePath();
ctx.fillStyle = fill;
ctx.fill();
ctx.strokeStyle = 'rgba(255,255,255,0.8)';
ctx.lineWidth = 1.5;
ctx.stroke();
// center dot
ctx.beginPath();
ctx.arc(h, h, 3, 0, Math.PI * 2);
ctx.fillStyle = '#fff';
ctx.fill();
return c;
}
function _drawDiamond(fill, stroke, sz = 22) {
const c = document.createElement('canvas');
c.width = c.height = sz;
const ctx = c.getContext('2d');
const h = sz / 2;
ctx.beginPath();
ctx.moveTo(h, 1); ctx.lineTo(sz - 1, h);
ctx.lineTo(h, sz - 1); ctx.lineTo(1, h);
ctx.closePath();
ctx.fillStyle = fill;
ctx.fill();
ctx.strokeStyle = stroke;
ctx.lineWidth = 2;
ctx.stroke();
return c;
}
function _drawTriangle(fill, stroke, sz = 22, inverted = false) {
const c = document.createElement('canvas');
c.width = c.height = sz;
const ctx = c.getContext('2d');
ctx.beginPath();
if (!inverted) {
ctx.moveTo(sz / 2, 1);
ctx.lineTo(sz - 1, sz - 1);
ctx.lineTo(1, sz - 1);
} else {
ctx.moveTo(1, 1);
ctx.lineTo(sz - 1, 1);
ctx.lineTo(sz / 2, sz - 1);
}
ctx.closePath();
ctx.fillStyle = fill;
ctx.fill();
ctx.strokeStyle = stroke;
ctx.lineWidth = 2;
ctx.stroke();
return c;
}
function _drawCardinalBuoy(quadrant, sz = 24) {
const c = document.createElement('canvas');
c.width = c.height = sz;
const ctx = c.getContext('2d');
const h = sz / 2;
// Black/yellow banding by quadrant (IALA)
const topBlack = ['N','NE','E','NW'].includes(quadrant);
ctx.beginPath(); ctx.arc(h, h, h - 2, 0, Math.PI * 2);
ctx.fillStyle = topBlack ? '#000' : '#f5c518'; ctx.fill();
ctx.beginPath(); ctx.arc(h, h, h - 2, Math.PI, 0);
ctx.fillStyle = topBlack ? '#f5c518' : '#000'; ctx.fill();
ctx.beginPath(); ctx.arc(h, h, h - 2, 0, Math.PI * 2);
ctx.strokeStyle = '#fff'; ctx.lineWidth = 1.5; ctx.stroke();
// Arrows indicating safe water side
ctx.fillStyle = '#fff';
ctx.font = `bold ${sz - 8}px sans-serif`;
ctx.textAlign = 'center'; ctx.textBaseline = 'middle';
const arrows = {N:'↑',S:'↓',E:'→',W:'←',NE:'↗',NW:'↖',SE:'↘',SW:'↙'};
ctx.fillText(arrows[quadrant] || '◆', h, h);
return c;
}
function _drawSpecialMark(fill, sz = 20) {
const c = document.createElement('canvas');
c.width = c.height = sz;
const ctx = c.getContext('2d');
const h = sz / 2;
// X shape (special mark — yellow cross)
ctx.beginPath();
ctx.arc(h, h, h - 2, 0, Math.PI * 2);
ctx.fillStyle = fill;
ctx.fill();
ctx.strokeStyle = 'rgba(0,0,0,0.6)';
ctx.lineWidth = 1.5;
ctx.stroke();
ctx.strokeStyle = 'rgba(0,0,0,0.7)';
ctx.lineWidth = 2;
ctx.beginPath();
ctx.moveTo(5, 5); ctx.lineTo(sz - 5, sz - 5);
ctx.moveTo(sz - 5, 5); ctx.lineTo(5, sz - 5);
ctx.stroke();
return c;
}
// ── S-57 colour code → CSS colour ─────────────────────────────────────────
const S57_CSS = {
1:'#ffffff', 2:'#111111', 3:'#e53935', 4:'#2e7d32',
5:'#1565c0', 6:'#f9a825', 7:'#78909c', 8:'#6d4c41',
9:'#ff8f00', 10:'#7b1fa2', 11:'#ef6c00', 12:'#e91e63',
};
function _s57css(code) { return S57_CSS[code] || '#78909c'; }
/* ═══════════════════════════════════════════════════════════════════════════
IALA Nautical Symbols — exact silhouettes per IALA Maritime Buoyage System
Reference: IALA Publication No.1, IHO INT-1, IALA Region A & B charts
Layout per symbol (top→bottom): topmark → staff → body → waterline
═══════════════════════════════════════════════════════════════════════════ */
function _mkC(sz) {
const c = document.createElement('canvas'); c.width = sz; c.height = sz; return c;
}
function _wl(ctx, cx, y, hw) { // waterline
ctx.strokeStyle = '#1a6bb5'; ctx.lineWidth = 1;
ctx.beginPath(); ctx.moveTo(cx - hw, y); ctx.lineTo(cx + hw, y); ctx.stroke();
}
function _st(ctx, cx, y1, y2) { // staff
ctx.strokeStyle = '#222'; ctx.lineWidth = 1;
ctx.beginPath(); ctx.moveTo(cx, y1); ctx.lineTo(cx, y2); ctx.stroke();
}
// Topmark: cone pointing UP ▲
function _tmConeUp(ctx, cx, y0, w, h, fill) {
ctx.beginPath(); ctx.moveTo(cx, y0); ctx.lineTo(cx + w/2, y0 + h); ctx.lineTo(cx - w/2, y0 + h); ctx.closePath();
ctx.fillStyle = fill; ctx.fill(); ctx.strokeStyle = '#111'; ctx.lineWidth = 0.6; ctx.stroke();
}
// Topmark: cone pointing DOWN ▼
function _tmConeDown(ctx, cx, y0, w, h, fill) {
ctx.beginPath(); ctx.moveTo(cx - w/2, y0); ctx.lineTo(cx + w/2, y0); ctx.lineTo(cx, y0 + h); ctx.closePath();
ctx.fillStyle = fill; ctx.fill(); ctx.strokeStyle = '#111'; ctx.lineWidth = 0.6; ctx.stroke();
}
// Topmark: sphere ●
function _tmSphere(ctx, cx, cy, r, fill) {
ctx.beginPath(); ctx.arc(cx, cy, r, 0, Math.PI * 2);
ctx.fillStyle = fill; ctx.fill(); ctx.strokeStyle = '#111'; ctx.lineWidth = 0.6; ctx.stroke();
}
// Topmark: X cross
function _tmX(ctx, cx, cy, r, col) {
ctx.strokeStyle = col; ctx.lineWidth = 2;
ctx.beginPath(); ctx.moveTo(cx-r, cy-r); ctx.lineTo(cx+r, cy+r); ctx.stroke();
ctx.beginPath(); ctx.moveTo(cx+r, cy-r); ctx.lineTo(cx-r, cy+r); ctx.stroke();
}
// ── True-3D colour helpers ────────────────────────────────────────────────
function _h2r(hex) { // hex → [r,g,b]
hex = hex.replace('#','');
if (hex.length === 3) hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2];
return [parseInt(hex.slice(0,2),16), parseInt(hex.slice(2,4),16), parseInt(hex.slice(4,6),16)];
}
function _lighten3D(hex, f = 0.45) {
const [r,g,b] = _h2r(hex);
return `rgb(${Math.min(255,Math.round(r+(255-r)*f))},${Math.min(255,Math.round(g+(255-g)*f))},${Math.min(255,Math.round(b+(255-b)*f))})`;
}
function _darken3D(hex, f = 0.45) {
const [r,g,b] = _h2r(hex);
return `rgb(${Math.round(r*(1-f))},${Math.round(g*(1-f))},${Math.round(b*(1-f))})`;
}
// Cylindrical side gradient: bright left → main → dark right
function _cylGrad(ctx, x, w, yMid, col) {
const g = ctx.createLinearGradient(x, yMid, x + w, yMid);
g.addColorStop(0, _lighten3D(col, 0.58));
g.addColorStop(0.22, _lighten3D(col, 0.18));
g.addColorStop(0.55, col);
g.addColorStop(0.82, _darken3D(col, 0.32));
g.addColorStop(1, _darken3D(col, 0.55));
return g;
}
// Conical gradient: same as cyl but stronger contrast
function _coneGrad(ctx, x, w, yMid, col) {
const g = ctx.createLinearGradient(x, yMid, x + w, yMid);
g.addColorStop(0, _lighten3D(col, 0.65));
g.addColorStop(0.20, _lighten3D(col, 0.20));
g.addColorStop(0.55, col);
g.addColorStop(1, _darken3D(col, 0.60));
return g;
}
// Banded fill for multi-colour shapes, each band individually gradienterd
function _fillBands3D(ctx, pathFn, bx, by, bw, bh, cssColours, gradFn) {
ctx.save(); pathFn(ctx); ctx.clip();
if (!cssColours.length) {
ctx.fillStyle = '#78909c'; ctx.fillRect(bx, by, bw, bh);
} else {
const bandH = bh / cssColours.length;
cssColours.forEach((col, i) => {
const y0 = by + i * bandH;
ctx.fillStyle = gradFn(ctx, bx, bw, y0 + bandH / 2, col);
ctx.fillRect(bx, y0, bw, bandH + 1);
});
}
ctx.restore();
}
// Kept for backward compat with cardinal / isd / saw helpers
function _fillBands(ctx, pathFn, bbox, cssColours) {
const [bx, by, bw, bh] = bbox;
ctx.save(); pathFn(ctx); ctx.clip();
if (!cssColours.length) { ctx.fillStyle = '#78909c'; ctx.fillRect(bx, by, bw, bh); }
else {
const bandH = bh / cssColours.length;
cssColours.forEach((col, i) => { ctx.fillStyle = col; ctx.fillRect(bx, by + i * bandH, bw, bandH + 0.6); });
}
ctx.restore();
}
// Kept for backward compat
function _apply3DShade(ctx, pathFn, bbox) {
const [bx, by, bw, bh] = bbox;
ctx.save(); pathFn(ctx); ctx.clip();
const g = ctx.createLinearGradient(bx, by+bh/2, bx+bw, by+bh/2);
g.addColorStop(0,'rgba(255,255,255,0.38)'); g.addColorStop(0.3,'rgba(255,255,255,0.06)');
g.addColorStop(0.65,'rgba(0,0,0,0)'); g.addColorStop(1,'rgba(0,0,0,0.32)');
ctx.fillStyle = g; ctx.fillRect(bx, by, bw, bh); ctx.restore();
}
// ── IALA fallback colours when S-57 COLOUR is missing ─────────────────────
// Returns S-57 colour CODES (not CSS) so they go through normal banding.
function _ialaLateralColours(catlam, region) {
const ialaB = (region || 'B') === 'B';
const G = 4, R = 3;
const port = ialaB ? G : R; // port-hand colour
const stbd = ialaB ? R : G; // starboard-hand colour
if (catlam === 1) return [port];
if (catlam === 2) return [stbd];
if (catlam === 3) return [port, stbd, port]; // pref-channel-to-stbd: port w/ stbd band
if (catlam === 4) return [stbd, port, stbd]; // pref-channel-to-port: stbd w/ port band
return [];
}
// Fill a closed path with N horizontal bands (used for multi-colour buoys).
function _fillBands(ctx, pathFn, bbox, cssColours) {
const [bx, by, bw, bh] = bbox;
ctx.save();
pathFn(ctx); ctx.clip();
if (cssColours.length === 0) {
ctx.fillStyle = '#78909c'; ctx.fillRect(bx, by, bw, bh);
} else {
const bandH = bh / cssColours.length;
cssColours.forEach((col, i) => {
ctx.fillStyle = col;
ctx.fillRect(bx, by + i * bandH, bw, bandH + 0.6);
});
}
ctx.restore();
}
// ══════════════════════════════════════════════════════════════════════════
// TRUE-3D BUOY SYMBOLS — geometry is built in 3 dimensions:
// • Cylinders use side-rect + top-ellipse + bottom-ellipse
// • Cones use face-triangle + base-ellipse + highlight streak
// • Spheres use radial gradient with upper-left highlight
// • Barrels use two bezier curves + elliptical ends
// • Topmarks are correct per IALA: PORT = square cube, STBD = cone up
// opts: {colours, boyshp, catlam, region, sz?, hasLight}
// BOYSHP: 1=conical 2=can 3=sphere 4=pillar 5=spar 6=barrel 7=super-buoy
// ══════════════════════════════════════════════════════════════════════════
function _encBuoyCanvas(opts) {
const sz = opts.sz || 52;
const c = _mkC(sz); const ctx = c.getContext('2d'); const cx = sz / 2;
let cc = (opts.colours || []).slice();
if (!cc.length && opts.catlam) cc = _ialaLateralColours(opts.catlam, opts.region);
const css = cc.map(_s57css);
const c1 = css[0] || '#78909c';
const ialaB = (opts.region || 'B') === 'B';
// ── Glow helper: apply outer glow on shape outlines via shadowBlur ──────
// Call before strokeRect/stroke; reset after. col = CSS colour of the glow.
const _glow = (col, blur = 4) => {
ctx.shadowBlur = blur;
ctx.shadowColor = col;
};
const _noGlow = () => { ctx.shadowBlur = 0; ctx.shadowColor = 'transparent'; };
// ── Layout ──────────────────────────────────────────────────────────────
const wlY = sz * 0.92; // waterline
const bBot = sz * 0.88; // body bottom (waterline region)
const bTop = sz * 0.52; // body top (pushed down for topmark room)
// stTop must leave room for topmark above it (topmark height ≈ bW * 0.40)
const _tmRoom = sz * 0.52 * 0.40; // topmark height reservation
const stTop = opts.hasLight
? Math.max(sz * 0.20, _tmRoom + sz * 0.03)
: Math.max(sz * 0.24, _tmRoom + sz * 0.03);
const bW = sz * 0.52; // body width
const bH = bBot - bTop; // body height
const eRy = bH * 0.095; // ellipse y-radius for cylinder caps
const bs = opts.boyshp, cl = opts.catlam;
const isCan = bs === 2 || (!bs && (cl === 1 || cl === 3));
const isCone = bs === 1 || (!bs && (cl === 2 || cl === 4));
const isSph = bs === 3;
const isSpar = bs === 5;
const isBar = bs === 6;
const isSuper = bs === 7;
// ── Shared draw helpers ─────────────────────────────────────────────────
// Glow colour: lighten primary colour, used for outline glow
const glowCol = c1 ? _lighten3D(c1, 0.55) : 'rgba(255,255,255,0.7)';
const outln = (lw = 0.9) => { _noGlow(); ctx.strokeStyle = 'rgba(0,0,0,0.75)'; ctx.lineWidth = lw; ctx.stroke(); };
const outlnGlow = (lw = 1.2) => {
_glow(glowCol, 5);
ctx.strokeStyle = 'rgba(255,255,255,0.55)'; ctx.lineWidth = lw; ctx.stroke();
_noGlow();
};
// Draw a cylinder: sides + bottom ellipse + top ellipse
const drawCylinder = (x, topY, w, h, colList) => {
const ery = h * 0.095;
// Side face (banded)
_fillBands3D(ctx, cc => { cc.beginPath(); cc.rect(x, topY, w, h); }, x, topY, w, h, colList, _cylGrad);
// Glow outline on side
_glow(glowCol, 5);
ctx.strokeStyle = 'rgba(255,255,255,0.45)'; ctx.lineWidth = 1.0; ctx.strokeRect(x, topY, w, h);
_noGlow();
ctx.strokeStyle = 'rgba(0,0,0,0.55)'; ctx.lineWidth = 0.6; ctx.strokeRect(x, topY, w, h);
// Bottom ellipse (shadow side)
ctx.beginPath(); ctx.ellipse(x + w/2, topY + h, w/2, ery, 0, 0, Math.PI * 2);
ctx.fillStyle = _darken3D(colList[colList.length-1] || c1, 0.5); ctx.fill(); outln(0.5);
// Top ellipse with radial highlight
const tg = ctx.createRadialGradient(x + w*0.3, topY, 1, x + w/2, topY, w/2);
tg.addColorStop(0, 'rgba(255,255,255,0.80)');
tg.addColorStop(0.5, _lighten3D(colList[0] || c1, 0.25));
tg.addColorStop(1, colList[0] || c1);
ctx.beginPath(); ctx.ellipse(x + w/2, topY, w/2, ery, 0, 0, Math.PI * 2);
ctx.fillStyle = tg; ctx.fill(); outln(0.5);
};
// Draw a cone: face + base ellipse + highlight
const drawCone = (cx2, apexY, baseY, w, colList) => {
const ery = (baseY - apexY) * 0.10;
const bx = cx2 - w/2;
// Body
_fillBands3D(ctx, cc => { cc.beginPath(); cc.moveTo(cx2, apexY); cc.lineTo(cx2+w/2, baseY); cc.lineTo(cx2-w/2, baseY); cc.closePath(); },
bx, apexY, w, baseY - apexY, colList, _coneGrad);
// Glow then outline
ctx.beginPath(); ctx.moveTo(cx2, apexY); ctx.lineTo(cx2+w/2, baseY); ctx.lineTo(cx2-w/2, baseY); ctx.closePath();
_glow(glowCol, 5); ctx.strokeStyle = 'rgba(255,255,255,0.40)'; ctx.lineWidth = 1.0; ctx.stroke(); _noGlow();
ctx.beginPath(); ctx.moveTo(cx2, apexY); ctx.lineTo(cx2+w/2, baseY); ctx.lineTo(cx2-w/2, baseY); ctx.closePath();
outln(0.9);
// Base ellipse
ctx.beginPath(); ctx.ellipse(cx2, baseY, w/2, ery, 0, 0, Math.PI * 2);
ctx.fillStyle = _darken3D(colList[colList.length-1] || c1, 0.40); ctx.fill(); outln(0.5);
// Left-face highlight streak
ctx.beginPath();
ctx.moveTo(cx2 - w * 0.05, apexY + (baseY-apexY)*0.08);
ctx.lineTo(cx2 - w * 0.28, baseY - ery);
ctx.strokeStyle = 'rgba(255,255,255,0.30)'; ctx.lineWidth = w * 0.07; ctx.stroke();
};
// Draw a sphere with radial gradient (multi-colour = horizontal stripes)
const drawSphere = (cx2, cy2, r, colList) => {
// Stripes via clip
if (colList.length > 1) {
const bandH = r * 2 / colList.length;
colList.forEach((col, i) => {
ctx.save();
ctx.beginPath(); ctx.rect(cx2-r, cy2-r + i*bandH, r*2, bandH+1); ctx.clip();
ctx.beginPath(); ctx.arc(cx2, cy2, r, 0, Math.PI*2);
ctx.fillStyle = col; ctx.fill();
ctx.restore();
});
} else {
ctx.beginPath(); ctx.arc(cx2, cy2, r, 0, Math.PI*2);
ctx.fillStyle = colList[0] || '#78909c'; ctx.fill();
}
// 3D highlight overlay
ctx.save();
ctx.beginPath(); ctx.arc(cx2, cy2, r, 0, Math.PI*2); ctx.clip();
const rg = ctx.createRadialGradient(cx2-r*0.38, cy2-r*0.38, r*0.04, cx2, cy2, r);
rg.addColorStop(0, 'rgba(255,255,255,0.72)');
rg.addColorStop(0.30,'rgba(255,255,255,0.18)');
rg.addColorStop(0.65,'rgba(0,0,0,0.00)');
rg.addColorStop(1, 'rgba(0,0,0,0.42)');
ctx.fillStyle = rg; ctx.fillRect(cx2-r, cy2-r, r*2, r*2);
ctx.restore();
ctx.beginPath(); ctx.arc(cx2, cy2, r, 0, Math.PI*2); outln(0.8);
};
// ── TOPMARKS per IALA ──────────────────────────────────────────────────
// PORT mark → square can topmark (cube face, viewed from front)
const drawTopmarkCan = (tx, ty, w, col) => {
const h = w; // SQUARE — same width and height
drawCylinder(tx - w/2, ty - h, w, h, [col]);
};
// STBD mark → conical topmark point-up
const drawTopmarkCone = (tx, ty, w, col) => {
const h = w * 0.9;
drawCone(tx, ty - h, ty, w, [col]);
};
// Generic cone-up topmark (for other buoys)
const drawTopmarkConeSmall = (tx, ty, w, col) => {
const h = w * 0.7; drawCone(tx, ty - h, ty, w, [col]);
};
// ── DRAW by shape ──────────────────────────────────────────────────────
if (isCan) {
// ── CAN (Cilíndrica) — 3D cylinder ────────────────────────
drawCylinder(cx - bW/2, bTop, bW, bH, css.length ? css : [c1]);
_st(ctx, cx, bTop - eRy, stTop);
// PORT topmark = square can (same width as topmark reservation)
drawTopmarkCan(cx, stTop, bW * 0.42, c1);
} else if (isCone) {
// ── CONE (Cónica) — 3D cone ────────────────────────────────
drawCone(cx, bTop, bBot, bW, css.length ? css : [c1]);
_st(ctx, cx, bTop, stTop);
// STBD topmark = conical point-up
drawTopmarkCone(cx, stTop, bW * 0.44, c1);
} else if (isSph) {
// ── SPHERE (Esférica) — 3D ball ────────────────────────────
const r = bH * 0.44, bcy = bTop + r;
drawSphere(cx, bcy, r, css.length ? css : [c1]);
_st(ctx, cx, bcy - r, stTop);
// Topmark: red sphere (safe water style)
const tmR = sz * 0.09;
drawSphere(cx, stTop - tmR, tmR, [c1]);
} else if (isSpar) {
// ── SPAR / ESPEQUE — tall thin cylinder ────────────────────
const sw = bW * 0.24, sparTop = bTop - bH * 0.40;
drawCylinder(cx - sw/2, sparTop, sw, bH * 1.40, css.length ? css : [c1]);
// Topmark above
drawTopmarkConeSmall(cx, sparTop - 2, sw * 1.4, c1);
} else if (isBar) {
// ── BARREL (Barril) — fat ellipsoid with stave lines ───────
const rx = bW * 0.52, ry = bH * 0.46, bcy = bTop + ry;
// Body fill with sphere-style 3D
drawSphere(cx, bcy, Math.min(rx, ry), css.length ? css : [c1]);
// Barrel top cap ellipse
const tg2 = ctx.createRadialGradient(cx - rx*0.3, bcy-ry, 2, cx, bcy-ry, rx);
tg2.addColorStop(0, 'rgba(255,255,255,0.65)'); tg2.addColorStop(1, _lighten3D(c1, 0.2));
ctx.beginPath(); ctx.ellipse(cx, bcy - ry, rx * 0.55, ry * 0.16, 0, 0, Math.PI*2);
ctx.fillStyle = tg2; ctx.fill(); outln(0.5);
// Barrel bottom cap ellipse
ctx.beginPath(); ctx.ellipse(cx, bcy + ry, rx * 0.55, ry * 0.16, 0, 0, Math.PI*2);
ctx.fillStyle = _darken3D(c1, 0.35); ctx.fill(); outln(0.5);
// Barrel stave ring lines (3 horizontal bands)
[0.32, 0.50, 0.68].forEach(t => {
ctx.beginPath(); ctx.ellipse(cx, bcy - ry + ry*2*t, rx * 0.52, ry * 0.08, 0, 0, Math.PI*2);
ctx.strokeStyle = _darken3D(c1, 0.45); ctx.lineWidth = 0.7; ctx.stroke();
});
_st(ctx, cx, bcy - ry, stTop);
drawTopmarkConeSmall(cx, stTop, bW * 0.44, c1);
} else if (isSuper) {
// ── SUPER-BUOY / LANBY — wide low platform + tower ─────────
const fw = bW * 1.10, fh = bH * 0.55;
const fy = bBot - fh;
// Lower hull (flat cylinder)
drawCylinder(cx - fw/2, fy, fw, fh, css.length ? css : [c1]);
// Tower / mast on top
const tw = bW * 0.28, th = bH * 0.60;
drawCylinder(cx - tw/2, fy - th, tw, th, [_darken3D(c1, 0.10)]);
// Light housing at top of tower (small sphere)
drawSphere(cx, fy - th - sz*0.07, sz*0.07, [_lighten3D(c1, 0.3)]);
// Staff tip
_st(ctx, cx, fy - th - sz*0.14, stTop);
} else {
// ── PILLAR (BOYSHP=4 or unknown) — hull + superstructure ───
const pw = bW * 0.48;
// Lower rounded hull (trapezoid wider at bottom)
drawCylinder(cx - pw/2, bTop + bH*0.4, pw, bH*0.6, css.length ? css : [c1]);
// Upper narrower superstructure
const sw2 = pw * 0.7;
drawCylinder(cx - sw2/2, bTop, sw2, bH*0.4, [_darken3D(c1, 0.08)]);
_st(ctx, cx, bTop, stTop);
drawTopmarkConeSmall(cx, stTop, bW * 0.50, c1);
}
// ── Waterline ──────────────────────────────────────────────────────────
_wl(ctx, cx, wlY, bW * 0.68);
// ── Light flare (S-52 magenta, when buoy has a light) ─────────────────
if (opts.hasLight) {
_drawLightFlare(ctx, cx, stTop + sz * 0.02, css[0] || '#ffffff');
}
return c;
}
// ── Cardinal buoy (BOYCAR) — black/yellow banded pillar + two-cone topmark ──
// N=▲▲ S=▼▼ E=▲▼(base-base) W=▼▲(point-point)
// Body banding: N=Blk/Yel S=Yel/Blk E=Blk/Yel/Blk W=Yel/Blk/Yel
function _encCardinalCanvas(quadrant, sz = 40) {
const c = _mkC(sz); const ctx = c.getContext('2d'); const cx = sz / 2;
const BLK = '#111111', YEL = '#f9a825';
const wlY = sz * 0.88, bBot = sz * 0.84, bTop = sz * 0.50, sTop = sz * 0.20;
const bW = sz * 0.44, bH = bBot - bTop;
// Body banding
const bands = {
N:['#111','#f9a825'], NE:['#111','#f9a825'], NW:['#111','#f9a825'],
S:['#f9a825','#111'], SE:['#f9a825','#111'], SW:['#f9a825','#111'],
E:['#111','#f9a825','#111'], W:['#f9a825','#111','#f9a825'],
}[quadrant] || [BLK, YEL];
const bandH = bH / bands.length;
bands.forEach((col, i) => {
ctx.fillStyle = col; ctx.fillRect(cx - bW/2, bTop + i * bandH, bW, bandH);
});
ctx.strokeStyle = '#444'; ctx.lineWidth = 0.8; ctx.strokeRect(cx - bW/2, bTop, bW, bH);
_st(ctx, cx, bTop, sTop);
// Two-cone topmark
const cw = sz * 0.36, ch = sz * 0.14;
const t1 = sTop - ch * 0.2; // lower cone top y
const t2 = t1 - ch - sz * 0.01; // upper cone top y
if (quadrant === 'N' || quadrant === 'NE' || quadrant === 'NW') {
_tmConeUp(ctx, cx, t2, cw, ch, BLK); _tmConeUp(ctx, cx, t1, cw, ch, BLK);
} else if (quadrant === 'S' || quadrant === 'SE' || quadrant === 'SW') {
_tmConeDown(ctx, cx, t2, cw, ch, BLK); _tmConeDown(ctx, cx, t1, cw, ch, BLK);
} else if (quadrant === 'E') {
_tmConeUp(ctx, cx, t2, cw, ch, BLK); _tmConeDown(ctx, cx, t1, cw, ch, BLK);
} else {
_tmConeDown(ctx, cx, t2, cw, ch, BLK); _tmConeUp(ctx, cx, t1, cw, ch, BLK);
}
_wl(ctx, cx, wlY, bW * 0.65);
return c;
}
// ── Isolated Danger (BOYISD) — black + red band + two black spheres ────────
function _encIsdCanvas(sz = 40) {
const c = _mkC(sz); const ctx = c.getContext('2d'); const cx = sz / 2;
const wlY = sz * 0.88, bBot = sz * 0.84, bTop = sz * 0.50, sTop = sz * 0.28;
const bW = sz * 0.44, bH = bBot - bTop;
ctx.fillStyle = '#111'; ctx.fillRect(cx - bW/2, bTop, bW, bH);
ctx.fillStyle = '#e53935'; ctx.fillRect(cx - bW/2, bTop + bH * 0.35, bW, bH * 0.30);
ctx.strokeStyle = '#444'; ctx.lineWidth = 0.8; ctx.strokeRect(cx - bW/2, bTop, bW, bH);
_st(ctx, cx, bTop, sTop);
const sr = sz * 0.07;
_tmSphere(ctx, cx - sr * 1.2, sTop - sr, sr, '#111');
_tmSphere(ctx, cx + sr * 1.2, sTop - sr, sr, '#111');
_wl(ctx, cx, wlY, bW * 0.65);
return c;
}
// ── Safe Water (BOYSAW) — red/white vertical stripes + red sphere ──────────
function _encSawCanvas(sz = 40) {
const c = _mkC(sz); const ctx = c.getContext('2d'); const cx = sz / 2;
const wlY = sz * 0.88, bBot = sz * 0.84, bTop = sz * 0.50, sTop = sz * 0.28;
const bW = sz * 0.44, bH = bBot - bTop;
// Vertical red/white stripes clipped to body rect
ctx.save();
ctx.beginPath(); ctx.rect(cx - bW/2, bTop, bW, bH); ctx.clip();
const stripes = 4, sw = bW / stripes;
for (let i = 0; i < stripes; i++) {
ctx.fillStyle = i % 2 === 0 ? '#e53935' : '#ffffff';
ctx.fillRect(cx - bW/2 + i * sw, bTop, sw, bH);
}
ctx.restore();
ctx.strokeStyle = '#444'; ctx.lineWidth = 0.8; ctx.strokeRect(cx - bW/2, bTop, bW, bH);
_st(ctx, cx, bTop, sTop);
_tmSphere(ctx, cx, sTop - sz * 0.07, sz * 0.07, '#e53935');
_wl(ctx, cx, wlY, bW * 0.65);
return c;
}
// ── Special Mark (BOYSPP) — yellow body + yellow X topmark ────────────────
function _encSppCanvas(sz = 40) {
const c = _mkC(sz); const ctx = c.getContext('2d'); const cx = sz / 2;
const wlY = sz * 0.88, bBot = sz * 0.84, bTop = sz * 0.50, sTop = sz * 0.28;
const bW = sz * 0.44, bH = bBot - bTop;
ctx.fillStyle = '#f9a825'; ctx.fillRect(cx - bW/2, bTop, bW, bH);
ctx.strokeStyle = '#555'; ctx.lineWidth = 0.8; ctx.strokeRect(cx - bW/2, bTop, bW, bH);
_st(ctx, cx, bTop, sTop);
_tmX(ctx, cx, sTop - sz * 0.09, sz * 0.1, '#f9a825');
_wl(ctx, cx, wlY, bW * 0.65);
return c;
}
/* ═══════════════════════════════════════════════════════════════════════════
IALA buoy canvases — exact port of AR ECDIS SVG defs (ui/js/map.js).
Each function returns a canvas sized scale × SVG viewBox, with the
position dot at the bottom anchor (white halo + black inner).
anchor=[0.5, 1.0] in the OL Icon style places that dot on the geo point.
═══════════════════════════════════════════════════════════════════════════ */
const _IALA_S = 0.85; // canvas px per SVG viewBox unit (slightly smaller than native)
function _ialaCanvas(svgW, svgH) {
const c = document.createElement('canvas');
c.width = Math.round(svgW * _IALA_S);
c.height = Math.round(svgH * _IALA_S);
return c;
}
function _ialaPosDot(ctx, cx, cy) {
const s = _IALA_S;
ctx.beginPath(); ctx.arc(cx*s, cy*s, 3*s, 0, Math.PI * 2);
ctx.fillStyle = '#fff'; ctx.fill();
ctx.beginPath(); ctx.arc(cx*s, cy*s, 1.5*s, 0, Math.PI * 2);
ctx.fillStyle = '#111'; ctx.fill();
}
function _ialaRoundRect(ctx, x, y, w, h, r) {
if (ctx.roundRect) { ctx.beginPath(); ctx.roundRect(x, y, w, h, r); }
else {
ctx.beginPath();
ctx.moveTo(x + r, y);
ctx.lineTo(x + w - r, y); ctx.quadraticCurveTo(x + w, y, x + w, y + r);
ctx.lineTo(x + w, y + h - r); ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);
ctx.lineTo(x + r, y + h); ctx.quadraticCurveTo(x, y + h, x, y + h - r);
ctx.lineTo(x, y + r); ctx.quadraticCurveTo(x, y, x + r, y);
ctx.closePath();
}
}
// ── Lateral port — IALA-A: red can. IALA-B: green can. ────────────────────
function _ialaBoyLatPort(ialaB) {
const c = _ialaCanvas(20, 30);
const ctx = c.getContext('2d'); const s = _IALA_S;
const top = ialaB ? '#33dd33' : '#ee2222';
const body = ialaB ? '#009900' : '#cc0000';
const bot = ialaB ? '#007700' : '#aa0000';
ctx.lineWidth = 1; ctx.strokeStyle = '#111';
// top ellipse
ctx.beginPath(); ctx.ellipse(10*s, 7*s, 6*s, 2.5*s, 0, 0, Math.PI*2);
ctx.fillStyle = top; ctx.fill(); ctx.stroke();
// body
_ialaRoundRect(ctx, 4*s, 7*s, 12*s, 14*s, 2*s);
ctx.fillStyle = body; ctx.fill(); ctx.stroke();
// bottom ellipse
ctx.beginPath(); ctx.ellipse(10*s, 21*s, 6*s, 2*s, 0, 0, Math.PI*2);
ctx.fillStyle = bot; ctx.fill(); ctx.stroke();
_ialaPosDot(ctx, 10, 27);
return c;
}
// ── Lateral starboard — IALA-A: green cone. IALA-B: red cone. ─────────────
function _ialaBoyLatStbd(ialaB) {
const c = _ialaCanvas(20, 28);
const ctx = c.getContext('2d'); const s = _IALA_S;
const fill = ialaB ? '#cc0000' : '#009900';
ctx.beginPath();
ctx.moveTo(10*s, 2*s); ctx.lineTo(18*s, 21*s); ctx.lineTo(2*s, 21*s); ctx.closePath();
ctx.fillStyle = fill; ctx.fill();
ctx.strokeStyle = '#111'; ctx.lineWidth = 1; ctx.stroke();
_ialaPosDot(ctx, 10, 25);
return c;
}
// ── Cardinal N/S/E/W — pillar + 2-cone topmark ────────────────────────────
function _ialaBoyCar(quadrant) {
const isEW = quadrant === 'E' || quadrant === 'W';
const svgH = isEW ? 42 : 40;
const c = _ialaCanvas(20, svgH);
const ctx = c.getContext('2d'); const s = _IALA_S;
const BLK = '#111', YEL = '#ffdd00';
ctx.lineWidth = 0.5*s; ctx.strokeStyle = BLK;
const pole = (y1, y2) => {
ctx.strokeStyle = '#555'; ctx.lineWidth = 1.5*s;
ctx.beginPath(); ctx.moveTo(10*s, y1*s); ctx.lineTo(10*s, y2*s); ctx.stroke();
ctx.strokeStyle = '#111'; ctx.lineWidth = 0.5*s;
};
const cone = (apex, baseY, baseLeft, baseRight, fill) => {
ctx.beginPath();
ctx.moveTo(apex[0]*s, apex[1]*s);
ctx.lineTo(baseRight[0]*s, baseRight[1]*s);
ctx.lineTo(baseLeft[0]*s, baseLeft[1]*s);
ctx.closePath();
ctx.fillStyle = fill; ctx.fill(); ctx.stroke();
};
if (quadrant === 'N') {
cone([10,0], 7, [6,7], [14,7], BLK);
cone([10,8], 15,[6,15], [14,15], BLK);
pole(15, 19);
ctx.fillStyle = BLK; ctx.fillRect(6*s, 19*s, 8*s, 6*s);
ctx.fillStyle = YEL; ctx.fillRect(6*s, 25*s, 8*s, 6*s);
ctx.lineWidth = 0.8*s; ctx.strokeRect(6*s, 19*s, 8*s, 12*s);
_ialaPosDot(ctx, 10, 37);
} else if (quadrant === 'S') {
// 2 cones pointing down
ctx.beginPath();
ctx.moveTo(6*s,0); ctx.lineTo(14*s,0); ctx.lineTo(10*s,7*s); ctx.closePath();
ctx.fillStyle = BLK; ctx.fill(); ctx.stroke();
ctx.beginPath();
ctx.moveTo(6*s,8*s); ctx.lineTo(14*s,8*s); ctx.lineTo(10*s,15*s); ctx.closePath();
ctx.fillStyle = BLK; ctx.fill(); ctx.stroke();
pole(15, 19);
ctx.fillStyle = YEL; ctx.fillRect(6*s, 19*s, 8*s, 6*s);
ctx.fillStyle = BLK; ctx.fillRect(6*s, 25*s, 8*s, 6*s);
ctx.lineWidth = 0.8*s; ctx.strokeRect(6*s, 19*s, 8*s, 12*s);
_ialaPosDot(ctx, 10, 37);
} else if (quadrant === 'E') {
// diamond: cone up + cone down, bases joined
ctx.beginPath();
ctx.moveTo(10*s,0); ctx.lineTo(16*s,8*s); ctx.lineTo(10*s,16*s); ctx.lineTo(4*s,8*s); ctx.closePath();
ctx.fillStyle = BLK; ctx.fill(); ctx.stroke();
pole(16, 20);
ctx.fillStyle = BLK; ctx.fillRect(6*s, 20*s, 8*s, 5*s);
ctx.fillStyle = YEL; ctx.fillRect(6*s, 25*s, 8*s, 5*s);
ctx.fillStyle = BLK; ctx.fillRect(6*s, 30*s, 8*s, 5*s);
ctx.lineWidth = 0.8*s; ctx.strokeRect(6*s, 20*s, 8*s, 15*s);
_ialaPosDot(ctx, 10, 39);
} else { // W
// bowtie: cone down on top + cone up on bottom, points meet at y=8
ctx.beginPath();
ctx.moveTo(4*s,0); ctx.lineTo(16*s,0); ctx.lineTo(10*s,8*s); ctx.closePath();
ctx.fillStyle = BLK; ctx.fill(); ctx.stroke();
ctx.beginPath();
ctx.moveTo(4*s,16*s); ctx.lineTo(16*s,16*s); ctx.lineTo(10*s,8*s); ctx.closePath();
ctx.fillStyle = BLK; ctx.fill(); ctx.stroke();
pole(16, 20);
ctx.fillStyle = YEL; ctx.fillRect(6*s, 20*s, 8*s, 5*s);
ctx.fillStyle = BLK; ctx.fillRect(6*s, 25*s, 8*s, 5*s);
ctx.fillStyle = YEL; ctx.fillRect(6*s, 30*s, 8*s, 5*s);
ctx.lineWidth = 0.8*s; ctx.strokeRect(6*s, 20*s, 8*s, 15*s);
_ialaPosDot(ctx, 10, 39);
}
return c;
}
// ── Isolated Danger — BRB body + 2 black spheres on top ────────────────────
function _ialaBoyIsd() {
const c = _ialaCanvas(22, 44);
const ctx = c.getContext('2d'); const s = _IALA_S;
const BLK = '#111', RED = '#cc0000';
ctx.fillStyle = BLK;
ctx.beginPath(); ctx.arc(11*s, 4*s, 4*s, 0, Math.PI*2); ctx.fill();
ctx.beginPath(); ctx.arc(11*s, 12*s, 4*s, 0, Math.PI*2); ctx.fill();
ctx.strokeStyle = '#555'; ctx.lineWidth = 1.5*s;
ctx.beginPath(); ctx.moveTo(11*s, 16*s); ctx.lineTo(11*s, 20*s); ctx.stroke();
ctx.fillStyle = BLK; ctx.fillRect(5*s, 20*s, 12*s, 5*s);
ctx.fillStyle = RED; ctx.fillRect(5*s, 25*s, 12*s, 5*s);
ctx.fillStyle = BLK; ctx.fillRect(5*s, 30*s, 12*s, 5*s);
_ialaPosDot(ctx, 11, 41);
return c;
}
// ── Safe Water — RW horizontal bands + red sphere on top ───────────────────
function _ialaBoySaw() {
const c = _ialaCanvas(18, 38);
const ctx = c.getContext('2d'); const s = _IALA_S;
const RED = '#cc0000';
ctx.fillStyle = RED;
ctx.beginPath(); ctx.arc(9*s, 4*s, 4*s, 0, Math.PI*2); ctx.fill();
ctx.strokeStyle = '#111'; ctx.lineWidth = 1; ctx.stroke();
ctx.strokeStyle = '#555'; ctx.lineWidth = 1.5*s;
ctx.beginPath(); ctx.moveTo(9*s, 8*s); ctx.lineTo(9*s, 12*s); ctx.stroke();
ctx.fillStyle = RED; ctx.fillRect(3*s, 12*s, 12*s, 5*s);
ctx.fillStyle = '#fff'; ctx.fillRect(3*s, 17*s, 12*s, 5*s);
ctx.fillStyle = RED; ctx.fillRect(3*s, 22*s, 12*s, 5*s);
ctx.fillStyle = '#fff'; ctx.fillRect(3*s, 27*s, 12*s, 3*s);
ctx.strokeStyle = '#111'; ctx.lineWidth = 0.5*s;
ctx.strokeRect(3*s, 12*s, 12*s, 18*s);
_ialaPosDot(ctx, 9, 35);
return c;
}
// ── Special Mark — yellow square + yellow X topmark ───────────────────────
function _ialaBoySpp() {
const c = _ialaCanvas(20, 32);
const ctx = c.getContext('2d'); const s = _IALA_S;
const YEL_DARK = '#cc9900', YEL = '#ffcc00';
ctx.strokeStyle = YEL_DARK; ctx.lineWidth = 2.5*s; ctx.lineCap = 'round';
ctx.beginPath(); ctx.moveTo(6*s, 1*s); ctx.lineTo(14*s, 9*s); ctx.stroke();
ctx.beginPath(); ctx.moveTo(14*s, 1*s); ctx.lineTo(6*s, 9*s); ctx.stroke();
ctx.lineCap = 'butt';
ctx.strokeStyle = '#555'; ctx.lineWidth = 1.5*s;
ctx.beginPath(); ctx.moveTo(10*s, 9*s); ctx.lineTo(10*s, 13*s); ctx.stroke();
_ialaRoundRect(ctx, 4*s, 13*s, 12*s, 12*s, 2*s);
ctx.fillStyle = YEL; ctx.fill();
ctx.strokeStyle = '#111'; ctx.lineWidth = 1*s; ctx.stroke();
_ialaPosDot(ctx, 10, 29);
return c;
}
// ── Light symbol — slim vertical post with a teardrop flame on top.
// Colour follows the emitted light: white, red, green, yellow.
function _ialaLight(colourCode) {
const W = 14, H = 34;
const c = document.createElement('canvas');
c.width = W; c.height = H;
const ctx = c.getContext('2d');
let col = '#ffffff';
if (colourCode === 3) col = '#dd0000';
else if (colourCode === 4) col = '#00aa00';
else if (colourCode === 6) col = '#ffcc00';
const cx = W / 2;
// Slim vertical post (the structure)
ctx.fillStyle = col;
ctx.strokeStyle = '#111';
ctx.lineWidth = 0.8;
ctx.fillRect(cx - 1.25, 12, 2.5, 18);
ctx.strokeRect(cx - 1.25, 12, 2.5, 18);
// Teardrop flame on top (apex up, rounded base sitting on the post)
ctx.beginPath();
ctx.moveTo(cx, 1);
ctx.bezierCurveTo(cx + 4.5, 3.5, cx + 4.0, 9, cx, 11.5);
ctx.bezierCurveTo(cx - 4.0, 9, cx - 4.5, 3.5, cx, 1);
ctx.closePath();
ctx.fillStyle = col;
ctx.fill();
ctx.lineWidth = 0.8;
ctx.strokeStyle = '#111';
ctx.stroke();
// Position dot at the bottom (geo anchor)
ctx.beginPath(); ctx.arc(cx, H - 2, 2.2, 0, Math.PI * 2);
ctx.fillStyle = '#fff'; ctx.fill();
ctx.beginPath(); ctx.arc(cx, H - 2, 1, 0, Math.PI * 2);
ctx.fillStyle = '#111'; ctx.fill();
return c;
}
// IHO S-52 "magenta flare" — stylised flash extending up-right from the
// light's position. The flare is always magenta (chart convention for "this
// is a light symbol"); the actual colour of the emitted light is shown as a
// small coloured dot at the apex of the flare.
function _drawLightFlare(ctx, cx, y, col) {
const MAG = '#ff00aa'; // S-52 magenta
const len = 8; // flare length (px)
ctx.save();
ctx.translate(cx, y);
// Flare: thin triangular wedge at 45° up-right
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(len * 0.95, -len * 0.30);
ctx.lineTo(len * 0.30, -len * 0.95);
ctx.closePath();
ctx.fillStyle = MAG; ctx.fill();
ctx.strokeStyle = '#fff'; ctx.lineWidth = 0.5; ctx.stroke();
// Position dot at the light's geographic point
ctx.beginPath(); ctx.arc(0, 0, 1.5, 0, Math.PI * 2);
ctx.fillStyle = MAG; ctx.fill();
// Coloured tip: shows the actual emitted-light colour
if (col && col !== MAG) {
ctx.beginPath(); ctx.arc(len * 0.62, -len * 0.62, 1.8, 0, Math.PI * 2);
ctx.fillStyle = col; ctx.fill();
ctx.strokeStyle = '#fff'; ctx.lineWidth = 0.4; ctx.stroke();
}
ctx.restore();
}
// ── Lighted aid (LIGHTS feature) — infer lateral/special from colour + region ─
// S-57 LIGHTS objects often appear without a paired BOYLAT structure. We infer
// the host's shape from the light's COLOUR + the cell's IALA region:
// IALA-B: green light → port can ; red light → stbd nun
// IALA-A: green light → stbd nun ; red light → port can
// yellow → SPECIAL ; white/magenta/null → simple flare (no shape inferred)
function _encLightCanvas(colours, region, sz = 32) {
const raw = colours[0];
const ialaB = (region || 'B') === 'B';
// Decide implied lateral significance from the light's colour
let kind = 'flare'; // default
if (raw === 4) kind = ialaB ? 'can' : 'cone'; // green
else if (raw === 3) kind = ialaB ? 'cone' : 'can'; // red
else if (raw === 6) kind = 'special'; // yellow
// Pure light feature — render the S-52 radial-cross symbol (ECDIS style).
if (kind === 'flare') {
return _ialaLight(raw);
}
// Otherwise the light is hosted on a buoy shape (can/cone/special).
const c = _mkC(sz); const ctx = c.getContext('2d'); const cx = sz / 2;
const col = (!raw || raw === 1) ? '#cc00cc' : _s57css(raw);
// Draw a small body silhouette with the light dot perched on its top.
const bBot = sz * 0.86, bTop = sz * 0.50, bW = sz * 0.42, bH = bBot - bTop;
if (kind === 'can') {
ctx.fillStyle = col; ctx.fillRect(cx - bW/2, bTop, bW, bH);
ctx.strokeStyle = '#111'; ctx.lineWidth = 0.8; ctx.strokeRect(cx - bW/2, bTop, bW, bH);
} else if (kind === 'cone') {
ctx.beginPath();
ctx.moveTo(cx, bTop); ctx.lineTo(cx + bW/2, bBot); ctx.lineTo(cx - bW/2, bBot); ctx.closePath();
ctx.fillStyle = col; ctx.fill();
ctx.strokeStyle = '#111'; ctx.lineWidth = 0.8; ctx.stroke();
} else if (kind === 'special') {
// Yellow body, X topmark style — borrowed from BOYSPP look
ctx.fillStyle = '#f9a825'; ctx.fillRect(cx - bW/2, bTop, bW, bH);
ctx.strokeStyle = '#555'; ctx.lineWidth = 0.8; ctx.strokeRect(cx - bW/2, bTop, bW, bH);
_tmX(ctx, cx, bTop - sz * 0.06, sz * 0.08, '#f9a825');
}
// Waterline
_wl(ctx, cx, sz * 0.90, bW * 0.7);
// Light flare sits at the top of the body
_drawLightFlare(ctx, cx, bTop - sz * 0.10, col);
return c;
}
// ── Lateral beacon (BCNLAT) — 3-D tripod + pole + topmark ──────────────────
// Farillos de orilla: estructura fija (no flota). Tríangulo de patas + mástil
// vertical + marca de tope cuadrada (babor) o cónica (estribor).
function _encBeaconCanvas(colours, catlam, region, sz = 44) {
const c = _mkC(sz); const ctx = c.getContext('2d'); const cx = sz / 2;
let cc = (colours || []).slice();
if (!cc.length && catlam) cc = _ialaLateralColours(catlam, region);
const col = cc[0] ? _s57css(cc[0]) : '#78909c';
const isPort = catlam === 1 || catlam === 3;
// Layout
const groundY = sz * 0.92; // ground level (shadow base)
const legHub = sz * 0.72; // where tripod legs converge
const poleBot = legHub;
const poleTop = sz * 0.32; // top of mast
const tmH = sz * 0.18; // topmark height
const tmW = sz * 0.46; // topmark width
const tmY = poleTop; // topmark sits at poleTop
// ── Subtle glow ──────────────────────────────────────────────────────────
const glow = ctx.createRadialGradient(cx, sz * 0.60, 0, cx, sz * 0.60, sz * 0.44);
glow.addColorStop(0, 'rgba(255,255,255,0.0)');
glow.addColorStop(0.65, 'rgba(180,210,255,0.10)');
glow.addColorStop(1, 'rgba(100,160,255,0.20)');
ctx.fillStyle = glow; ctx.fillRect(0, 0, sz, sz);
// ── Ground shadow ─────────────────────────────────────────────────────────
ctx.beginPath(); ctx.ellipse(cx, groundY, sz * 0.22, sz * 0.04, 0, 0, Math.PI * 2);
ctx.fillStyle = 'rgba(0,0,0,0.22)'; ctx.fill();
// ── Tripod legs (3 legs, perspective depth) ───────────────────────────────
// Back leg (darker, stub)
ctx.beginPath(); ctx.moveTo(cx, legHub); ctx.lineTo(cx + sz*0.07, groundY * 0.97);
ctx.strokeStyle = _darken3D(col, 0.50); ctx.lineWidth = 1.2; ctx.stroke();
// Left leg
ctx.beginPath(); ctx.moveTo(cx, legHub); ctx.lineTo(cx - sz*0.28, groundY);
ctx.strokeStyle = _darken3D(col, 0.25); ctx.lineWidth = 1.4; ctx.stroke();
ctx.strokeStyle = _lighten3D(col, 0.15); ctx.lineWidth = 0.5; ctx.stroke();
// Right leg
ctx.beginPath(); ctx.moveTo(cx, legHub); ctx.lineTo(cx + sz*0.28, groundY);
ctx.strokeStyle = _darken3D(col, 0.30); ctx.lineWidth = 1.4; ctx.stroke();
ctx.strokeStyle = _lighten3D(col, 0.10); ctx.lineWidth = 0.5; ctx.stroke();
// ── Hub ring where legs meet ──────────────────────────────────────────────
const hubGrd = ctx.createRadialGradient(cx - sz*0.05, legHub - sz*0.02, 1, cx, legHub, sz*0.11);
hubGrd.addColorStop(0, _lighten3D(col, 0.45));
hubGrd.addColorStop(1, _darken3D(col, 0.30));
ctx.beginPath(); ctx.ellipse(cx, legHub, sz*0.11, sz*0.038, 0, 0, Math.PI*2);
ctx.fillStyle = hubGrd; ctx.fill();
ctx.strokeStyle = '#333'; ctx.lineWidth = 0.5; ctx.stroke();
// ── Mast / pole (thin cylinder with 3-D shading) ─────────────────────────
const pw = sz * 0.07;
const mastGrd = ctx.createLinearGradient(cx - pw/2, 0, cx + pw/2, 0);
mastGrd.addColorStop(0, _darken3D('#888', 0.15));
mastGrd.addColorStop(0.35, '#cccccc');
mastGrd.addColorStop(1, _darken3D('#888', 0.42));
ctx.fillStyle = mastGrd;
ctx.fillRect(cx - pw/2, poleTop, pw, poleBot - poleTop);
ctx.strokeStyle = '#2a2a2a'; ctx.lineWidth = 0.4;
ctx.strokeRect(cx - pw/2, poleTop, pw, poleBot - poleTop);
// ── Topmark (3-D) ─────────────────────────────────────────────────────────
if (isPort) {
// Square CAN — 3-D cylinder (short, wide)
const tg = ctx.createLinearGradient(cx - tmW/2, 0, cx + tmW/2, 0);
tg.addColorStop(0, _lighten3D(col, 0.45));
tg.addColorStop(0.42, col);
tg.addColorStop(1, _darken3D(col, 0.45));
ctx.fillStyle = tg;
ctx.fillRect(cx - tmW/2, tmY - tmH, tmW, tmH);
// Top highlight ellipse
const ery = tmH * 0.13;
const eg = ctx.createRadialGradient(cx - tmW*0.25, tmY - tmH, 1, cx, tmY - tmH, tmW/2);
eg.addColorStop(0, 'rgba(255,255,255,0.70)'); eg.addColorStop(1, col);
ctx.beginPath(); ctx.ellipse(cx, tmY - tmH, tmW/2, ery, 0, 0, Math.PI*2);
ctx.fillStyle = eg; ctx.fill();
// Bottom ellipse (shadow)
ctx.beginPath(); ctx.ellipse(cx, tmY, tmW/2, ery, 0, 0, Math.PI*2);
ctx.fillStyle = _darken3D(col, 0.45); ctx.fill();
ctx.strokeStyle = '#222'; ctx.lineWidth = 0.6;
ctx.strokeRect(cx - tmW/2, tmY - tmH, tmW, tmH);
} else {
// CONE pointing up — 3-D gradient
const apexY = tmY - tmH, baseY2 = tmY;
const tg = ctx.createLinearGradient(cx - tmW/2, 0, cx + tmW/2, 0);
tg.addColorStop(0, _lighten3D(col, 0.45));
tg.addColorStop(0.42, col);
tg.addColorStop(1, _darken3D(col, 0.45));
ctx.beginPath();
ctx.moveTo(cx, apexY); ctx.lineTo(cx + tmW/2, baseY2); ctx.lineTo(cx - tmW/2, baseY2);
ctx.closePath(); ctx.fillStyle = tg; ctx.fill();
// Base ellipse
const ery2 = tmH * 0.10;
ctx.beginPath(); ctx.ellipse(cx, baseY2, tmW/2, ery2, 0, 0, Math.PI*2);
ctx.fillStyle = _darken3D(col, 0.40); ctx.fill();
// Highlight streak
ctx.beginPath();
ctx.moveTo(cx - tmW*0.05, apexY + tmH*0.08);
ctx.lineTo(cx - tmW*0.28, baseY2 - ery2);
ctx.strokeStyle = 'rgba(255,255,255,0.30)'; ctx.lineWidth = tmW * 0.07; ctx.stroke();
ctx.strokeStyle = '#222'; ctx.lineWidth = 0.6;
ctx.beginPath(); ctx.moveTo(cx, apexY); ctx.lineTo(cx+tmW/2, baseY2); ctx.lineTo(cx-tmW/2, baseY2); ctx.closePath(); ctx.stroke();
}
return c;
}
// ── Range / Leading-mark dayboard — dos triángulos concéntricos 3-D ─────────
// Outer triangle: WHITE (visible against any background)
// Inner triangle: BLACK (center — classic range-mark dayboard pattern)
// Both point UP. Mounted on a 3-D post with tripod base and optional light flare.
// This symbol is used for ANY LIGHTS/LNDMRK feature that carries an ORIENT
// attribute, meaning it defines a leading-line bearing.
function _encRangeDaymarkCanvas(colours, hasLight, sz = 52) {
const c = _mkC(sz); const ctx = c.getContext('2d'); const cx = sz / 2;
// ── Layout ──────────────────────────────────────────────────────────────
const groundY = sz * 0.92;
const legHub = sz * 0.72;
const poleTop = sz * 0.42; // dayboard starts here (base of board)
const boardBot = poleTop;
const boardTop = sz * 0.08; // apex of outer triangle
const boardW = sz * 0.80; // max width of outer triangle at its base
// Light colour (top dot) from feature colour code
const lightCss = colours[0] ? _s57css(colours[0]) : '#ffffff';
// ── Ground shadow ────────────────────────────────────────────────────────
ctx.beginPath(); ctx.ellipse(cx, groundY, sz * 0.20, sz * 0.04, 0, 0, Math.PI * 2);
ctx.fillStyle = 'rgba(0,0,0,0.22)'; ctx.fill();
// ── Tripod base ──────────────────────────────────────────────────────────
// Back stub
ctx.beginPath(); ctx.moveTo(cx, legHub); ctx.lineTo(cx + sz*0.06, groundY * 0.97);
ctx.strokeStyle = '#555'; ctx.lineWidth = 1.0; ctx.stroke();
// Left leg
ctx.beginPath(); ctx.moveTo(cx, legHub); ctx.lineTo(cx - sz*0.26, groundY);
ctx.strokeStyle = '#666'; ctx.lineWidth = 1.3; ctx.stroke();
ctx.strokeStyle = '#aaa'; ctx.lineWidth = 0.4; ctx.stroke();
// Right leg
ctx.beginPath(); ctx.moveTo(cx, legHub); ctx.lineTo(cx + sz*0.26, groundY);
ctx.strokeStyle = '#555'; ctx.lineWidth = 1.3; ctx.stroke();
ctx.strokeStyle = '#999'; ctx.lineWidth = 0.4; ctx.stroke();
// ── Hub ring ─────────────────────────────────────────────────────────────
ctx.beginPath(); ctx.ellipse(cx, legHub, sz*0.09, sz*0.030, 0, 0, Math.PI*2);
const hubG = ctx.createRadialGradient(cx - sz*0.04, legHub, 1, cx, legHub, sz*0.09);
hubG.addColorStop(0, '#ccc'); hubG.addColorStop(1, '#555');
ctx.fillStyle = hubG; ctx.fill();
ctx.strokeStyle = '#333'; ctx.lineWidth = 0.4; ctx.stroke();
// ── Mast / pole ───────────────────────────────────────────────────────────
const pw = sz * 0.07;
const mastG = ctx.createLinearGradient(cx - pw/2, 0, cx + pw/2, 0);
mastG.addColorStop(0, '#999'); mastG.addColorStop(0.3, '#eee'); mastG.addColorStop(1, '#666');
ctx.fillStyle = mastG;
ctx.fillRect(cx - pw/2, poleTop, pw, legHub - poleTop);
ctx.strokeStyle = '#333'; ctx.lineWidth = 0.4;
ctx.strokeRect(cx - pw/2, poleTop, pw, legHub - poleTop);
// ── OUTER triangle (WHITE) — 3-D face with gradient ──────────────────────
// The triangle board catches sunlight from upper-left → left face lighter,
// right face darker, giving it a 3-D planar look.
const outerGrad = ctx.createLinearGradient(cx - boardW/2, 0, cx + boardW/2, 0);
outerGrad.addColorStop(0, 'rgba(255,255,255,1.00)'); // lit left edge
outerGrad.addColorStop(0.40,'rgba(240,240,240,1.00)'); // face
outerGrad.addColorStop(1, 'rgba(190,190,190,1.00)'); // shadow right
ctx.beginPath();
ctx.moveTo(cx, boardTop);
ctx.lineTo(cx + boardW / 2, boardBot);
ctx.lineTo(cx - boardW / 2, boardBot);
ctx.closePath();
ctx.fillStyle = outerGrad; ctx.fill();
// Glow outline
ctx.shadowBlur = 6; ctx.shadowColor = 'rgba(255,255,255,0.8)';
ctx.strokeStyle = 'rgba(255,255,255,0.9)'; ctx.lineWidth = 1.2; ctx.stroke();
ctx.shadowBlur = 0; ctx.shadowColor = 'transparent';
ctx.strokeStyle = '#555'; ctx.lineWidth = 0.7; ctx.stroke();
// ── INNER triangle (BLACK) — 3-D face ────────────────────────────────────
// Inner tri is 45% the size of the outer, centred on the board face.
// Its apex is at (cx, boardTop + inset) and base is near boardBot.
const iW = boardW * 0.45;
const iTop = boardTop + (boardBot - boardTop) * 0.18; // inset from apex
const iBot = boardBot - (boardBot - boardTop) * 0.08; // inset from base
const innerGrad = ctx.createLinearGradient(cx - iW/2, 0, cx + iW/2, 0);
innerGrad.addColorStop(0, '#3a3a3a'); // lit left face (dark but not pure black)
innerGrad.addColorStop(0.45,'#111111'); // center
innerGrad.addColorStop(1, '#000000'); // shadow right
ctx.beginPath();
ctx.moveTo(cx, iTop);
ctx.lineTo(cx + iW / 2, iBot);
ctx.lineTo(cx - iW / 2, iBot);
ctx.closePath();
ctx.fillStyle = innerGrad; ctx.fill();
// Left-edge highlight streak (3-D illusion)
ctx.beginPath();
ctx.moveTo(cx - iW * 0.04, iTop + (iBot - iTop) * 0.06);
ctx.lineTo(cx - iW * 0.30, iBot - (iBot - iTop) * 0.05);
ctx.strokeStyle = 'rgba(120,120,120,0.55)'; ctx.lineWidth = iW * 0.06; ctx.stroke();
ctx.strokeStyle = '#000'; ctx.lineWidth = 0.5;
ctx.beginPath(); ctx.moveTo(cx, iTop); ctx.lineTo(cx+iW/2, iBot); ctx.lineTo(cx-iW/2, iBot); ctx.closePath(); ctx.stroke();
// ── Light flare at apex (if feature has a light) ───────────────────────────
if (hasLight) {
_drawLightFlare(ctx, cx, boardTop - sz * 0.02, lightCss);
}
return c;
}
// ── Cardinal beacon (BCNCAR) — tripod + two-cone topmark ─────────────────────
function _encBcnCardinalCanvas(quadrant, sz = 30) {
const c = _mkC(sz); const ctx = c.getContext('2d'); const cx = sz / 2;
const BLK = '#111'; const baseY = sz * 0.90, poleTop = sz * 0.30;
ctx.strokeStyle = '#444'; ctx.lineWidth = 1;
ctx.beginPath(); ctx.moveTo(cx, baseY * 0.72); ctx.lineTo(cx - sz*0.22, baseY); ctx.stroke();
ctx.beginPath(); ctx.moveTo(cx, baseY * 0.72); ctx.lineTo(cx + sz*0.22, baseY); ctx.stroke();
ctx.strokeStyle = '#444'; ctx.lineWidth = 1.5;
ctx.beginPath(); ctx.moveTo(cx, baseY); ctx.lineTo(cx, poleTop); ctx.stroke();
const cw = sz * 0.42, ch = sz * 0.16;
const t1 = poleTop - sz * 0.02;
const t2 = t1 - ch - sz * 0.01;
if (quadrant === 'N') {
_tmConeUp(ctx, cx, t2, cw, ch, BLK); _tmConeUp(ctx, cx, t1, cw, ch, BLK);
} else if (quadrant === 'S') {
_tmConeDown(ctx, cx, t2, cw, ch, BLK); _tmConeDown(ctx, cx, t1, cw, ch, BLK);
} else if (quadrant === 'E') {
_tmConeUp(ctx, cx, t2, cw, ch, BLK); _tmConeDown(ctx, cx, t1, cw, ch, BLK);
} else {
_tmConeDown(ctx, cx, t2, cw, ch, BLK); _tmConeUp(ctx, cx, t1, cw, ch, BLK);
}
return c;
}
/* ═══════════════════════════════════════════════════════════════════════════
Multi-cell composition (port from AR ECDIS).
- usage_band derived from the 3rd char of the cell id (IHO/NOAA convention):
US1GC09M → 1 Overview, US5MIA* → 5 Harbour, etc.
- Each band is rendered only inside its own zoom range. Cells with band 0
(unknown) are always rendered.
- When a higher-band cell covers ≥40% of the viewport, lower-band cells are
hidden — so the harbour cell takes over while the overview stays loaded
for panning to less detailed areas.
═══════════════════════════════════════════════════════════════════════════ */
window._chartCells = {}; // cell_id → { bbox: [w,s,e,n], band: int }
const _HIDDEN_CELLS = new Set(); // mutated on moveend by _recomputeHiddenCells
// Band zoom ranges: [minZoom, maxZoom].
// maxZoom = 24 for ALL bands — never cut a cell because of an upper zoom limit.
// Hiding lower-band cells when a higher-band cell is available is handled
// exclusively by _recomputeHiddenCells (≥40% viewport overlap).
// Without this, a custom cell like "CO1CO01M" (band-1 per IHO cell-ID convention)
// would disappear above zoom 10 even though it's the only chart in its area.
const BAND_ZOOM_RANGES = {
0: [0, 24], // custom / unknown → always visible
1: [0, 24], // Overview (1:600 000+)
2: [3, 24], // General (1:350 000)
3: [6, 24], // Coastal (1:90 000)
4: [8, 24], // Approach (1:25 000)
5: [10, 24], // Harbour (1:7 500)
6: [12, 24], // Berthing (1:2 000)
};
function _bandFromCellId(id) {
const m = (id || '').match(/^[A-Za-z]{2}([1-6])/);
return m ? +m[1] : 0;
}
// Returns false if this feature's cell should NOT render at the current resolution.
function _cellShouldRender(cellId, resolution) {
if (!cellId) return true;
if (_HIDDEN_CELLS.has(cellId)) return false;
const meta = window._chartCells[cellId];
const band = meta ? meta.band : _bandFromCellId(cellId);
const zoom = map.getView().getZoomForResolution(resolution);
const [zmin, zmax] = BAND_ZOOM_RANGES[band] || BAND_ZOOM_RANGES[0];
return zoom >= zmin && zoom <= zmax;
}
// On moveend, hide overview cells whose viewport overlap is dominated by a
// higher-band cell (≥40% of the viewport area covered by the higher one).
// IMPORTANT: only count a higher-band cell as "dominating" if that cell is
// actually within its own zoom range at the current zoom. Otherwise band-4
// cells get hidden by a band-5 cell that is itself invisible (zoom < 10),
// leaving a gap where NO chart renders at all (the Miami disappear bug).
function _recomputeHiddenCells() {
_HIDDEN_CELLS.clear();
const cells = window._chartCells;
if (!cells || Object.keys(cells).length === 0) return;
const ext = map.getView().calculateExtent(map.getSize());
const zoom = map.getView().getZoom() || 0;
const [w, s, e, n] = ol.proj.transformExtent(ext, 'EPSG:3857', 'EPSG:4326');
const vArea = (e - w) * (n - s);
if (vArea <= 0) return;
for (const [cellId, meta] of Object.entries(cells)) {
if (!meta.bbox) continue;
for (const [otherId, other] of Object.entries(cells)) {
if (otherId === cellId || !other.bbox) continue;
if (other.band <= meta.band) continue;
// Only treat 'other' as dominating if it is actually visible at current zoom.
// Without this check, a harbour cell (band-5, minZoom=10) hides the approach
// cell (band-4) even at zoom 9.x, where band-5 is itself out of range → nothing renders.
const [ozMin, ozMax] = BAND_ZOOM_RANGES[other.band] || BAND_ZOOM_RANGES[0];
if (zoom < ozMin || zoom > ozMax) continue;
const iw = Math.max(0, Math.min(e, other.bbox[2]) - Math.max(w, other.bbox[0]));
const ih = Math.max(0, Math.min(n, other.bbox[3]) - Math.max(s, other.bbox[1]));
if ((iw * ih) / vArea >= 0.40) { _HIDDEN_CELLS.add(cellId); break; }
}
}
}
async function _loadChartCells() {
try {
const r = await fetch('/charts/cells');
const cells = await r.json();
cells.forEach(c => {
window._chartCells[c.id] = {
bbox: c.bbox,
band: _bandFromCellId(c.id),
};
});
_recomputeHiddenCells();
[encSource, depthSource, landSource, zoneSource, hazardSource, soundSource]
.forEach(src => src.changed());
} catch (e) {
console.warn('[charts] failed to load cell catalog:', e);
}
}
// ── Leading line (enfilación) style ──────────────────────────────────────
// S-52: leading line = dashed orange/magenta line with arrowhead at the far
// end showing the bearing direction. The line is always rendered (no zoom
// threshold) so navigators can see it at any scale.
function _ldlineStyle(feature) {
const orient = feature.get('orient'); // True bearing, degrees
const colours = feature.get('colours') || [];
// Colour: use the light's own colour when available, else default magenta
const col = colours[0] === 4 ? '#00cc44' // green light → green line
: colours[0] === 3 ? '#ff4444' // red light → red line
: '#ff8800'; // default orange (leading line)
const lineStyle = new ol.style.Style({
stroke: new ol.style.Stroke({
color: col,
width: 1.6,
lineDash: [8, 5],
}),
});
const styles = [lineStyle];
// Arrowhead at the far end of the line (bearing direction)
if (orient != null) {
const coords = feature.getGeometry().getCoordinates();
const end = coords[coords.length - 1];
const start = coords[coords.length - 2];
// Angle of the line in screen space (OL is EPSG:3857)
const dx = end[0] - start[0], dy = end[1] - start[1];
const angle = Math.atan2(dy, dx); // radians, CCW from east
// Small arrowhead canvas
const asz = 14;
const ac = document.createElement('canvas');
ac.width = asz; ac.height = asz;
const ax = ac.getContext('2d');
ax.strokeStyle = col; ax.lineWidth = 2; ax.lineCap = 'round';
ax.translate(asz / 2, asz / 2);
ax.rotate(-angle); // align with line direction
ax.beginPath();
ax.moveTo(-5, -4); ax.lineTo(0, 0); ax.lineTo(-5, 4);
ax.stroke();
styles.push(new ol.style.Style({
geometry: new ol.geom.Point(end),
image: new ol.style.Icon({
img: ac, imgSize: [asz, asz],
rotation: -angle, // OL rotation is CW
rotateWithView: true,
}),
}));
}
// Bearing label — always visible, centred on the line.
// Format: "143.5° E12 — E16" (bearing + paired mark names)
const name = feature.get('name') || '';
const bearTxt = orient != null ? `${orient % 1 === 0 ? orient : orient.toFixed(1)}°` : '';
const lbl = [bearTxt, name].filter(Boolean).join(' ');
if (lbl) {
const coords = feature.getGeometry().getCoordinates();
// Place label at 1/3 from start (near the front mark) so it's in the channel
const idx = Math.max(0, Math.floor(coords.length / 3));
const mid = coords[idx];
styles.push(new ol.style.Style({
geometry: new ol.geom.Point(mid),
text: new ol.style.Text({
text: lbl,
font: 'bold 10px "Inter", "Segoe UI", sans-serif',
fill: new ol.style.Fill({ color: '#fff' }),
stroke: new ol.style.Stroke({ color: 'rgba(0,0,0,0.50)', width: 2 }),
offsetY: -12,
overflow: true,
}),
}));
}
return styles;
}
// ── ENC (S-57 chart) style — dispatch by canonical aid_type ──────────────
// resolution is in m/pixel (OL passes it). Labels only show when zoomed in.
const ENC_LABEL_RES = 2.5; // ≈ zoom 16; closer than that → show name
function encStyle(feature, resolution) {
if (!_cellShouldRender(feature.get('cell'), resolution)) return null;
const layer = (feature.get('layer') || '').toUpperCase();
const aidType = feature.get('aid_type') || 'UNKNOWN';
const showName = resolution != null && resolution < ENC_LABEL_RES;
const name = showName ? (feature.get('name') || feature.get('nombre') || '') : '';
const colours = feature.get('colours') || [];
const boyshp = feature.get('boyshp');
const catlam = feature.get('catlam');
const region = feature.get('cell_region') || window.IALA_REGION || 'B';
const isBcn = layer.startsWith('BCN');
const hasLight = !!(feature.get('light_desc'));
const lightDesc = showName ? (feature.get('light_desc') || '') : '';
// Compose on-map label: name on first line, light character on second
const labelParts = [name, lightDesc].filter(Boolean);
const label = labelParts.join('\n');
const ialaB = (region || 'B') === 'B';
const hasOrient = feature.get('orient') != null; // feature defines a leading line bearing
let canvas;
// ── Range / Leading mark — dayboard symbol when ORIENT is present ────────
// Only for LIGHTS and LNDMRK features (not buoys/beacons that may have
// inherited orient from a nearby light via the proximity merge).
const isRangeMark = hasOrient
&& aidType !== 'LEADING_LINE'
&& !layer.startsWith('BOY')
&& !layer.startsWith('BCN');
if (isRangeMark) {
canvas = _cachedIcon(`rangemark_${colours[0]}_${hasLight}`,
() => _encRangeDaymarkCanvas(colours, hasLight));
// Switch is skipped below (canvas already set)
}
// Helper: add light flare to one of the fixed IALA canvas symbols
const _withFlare = (baseFn, flareY, lightCss) => {
const base = baseFn();
if (!hasLight) return base;
const ct = base.getContext('2d');
_drawLightFlare(ct, base.width / 2, flareY, lightCss || '#ffffff');
return base;
};
const _lightCss = colours[0] ? _s57css(colours[0]) : '#ffffff';
// Dispatch by aid_type (skipped when isRangeMark already set canvas above).
if (!canvas) switch (aidType) {
// ── Lateral buoys — route through _encBuoyCanvas (BOYSHP-aware, 3-D) ──
case 'LATERAL_PORT':
case 'LATERAL_PREF_STBD':
case 'LATERAL_UNKNOWN': {
if (isBcn) {
canvas = _cachedIcon(`bcn_port_${colours.join('-')}_${region}`,
() => _encBeaconCanvas(colours, catlam, region));
} else {
const shp = boyshp || 2; // default: can for port
canvas = _cachedIcon(`boy_port_${colours.join('-')}_${shp}_${region}_${hasLight}`,
() => _encBuoyCanvas({ colours, boyshp: shp, catlam, region, hasLight }));
}
break;
}
case 'LATERAL_STBD':
case 'LATERAL_PREF_PORT': {
if (isBcn) {
canvas = _cachedIcon(`bcn_stbd_${colours.join('-')}_${region}`,
() => _encBeaconCanvas(colours, catlam, region));
} else {
const shp = boyshp || 1; // default: conical for starboard
canvas = _cachedIcon(`boy_stbd_${colours.join('-')}_${shp}_${region}_${hasLight}`,
() => _encBuoyCanvas({ colours, boyshp: shp, catlam, region, hasLight }));
}
break;
}
// ── Cardinal buoys ──────────────────────────────────────────────────────
case 'CARDINAL_N':
case 'CARDINAL_E':
case 'CARDINAL_S':
case 'CARDINAL_W': {
const q = aidType.split('_')[1];
canvas = _cachedIcon(`iala_car_${q}_${hasLight}`,
() => _withFlare(() => _ialaBoyCar(q), 2 * _IALA_S, _lightCss));
break;
}
case 'CARDINAL_UNKNOWN':
canvas = _cachedIcon(`iala_car_unk_${hasLight}`,
() => _withFlare(() => _ialaBoyCar('N'), 2 * _IALA_S, _lightCss));
break;
// ── Other buoy types ────────────────────────────────────────────────────
case 'ISOLATED_DANGER':
canvas = _cachedIcon(`iala_isd_${hasLight}`,
() => _withFlare(() => _ialaBoyIsd(), 2 * _IALA_S, '#cc0000'));
break;
case 'SAFE_WATER':
canvas = _cachedIcon(`iala_saw_${hasLight}`,
() => _withFlare(() => _ialaBoySaw(), 2 * _IALA_S, '#cc0000'));
break;
case 'SPECIAL': {
// BOYSPEC/BOYSPP — route through _encBuoyCanvas with sphere or special shape
const shp = boyshp || 3;
canvas = _cachedIcon(`boy_spp_${colours.join('-')}_${shp}_${hasLight}`,
() => _encBuoyCanvas({ colours: colours.length ? colours : [6], boyshp: shp,
catlam: null, region, hasLight }));
break;
}
case 'LEADING_LINE':
// Leading line — no canvas icon needed; pure line style handled below
return _ldlineStyle(feature);
case 'LIGHT_POINT':
canvas = _cachedIcon(`enc_light_${colours[0]}_${region}`,
() => _encLightCanvas(colours, region));
break;
// ── Generic / fallback ──────────────────────────────────────────────────
case 'LANDMARK':
case 'RACON':
case 'BEACON_GENERIC': {
canvas = _cachedIcon(`bcn_gen_${colours.join('-')}_${region}_${hasLight}`,
() => _encBeaconCanvas(colours, catlam, region));
break;
}
case 'BUOY_GENERIC':
default: {
// Always route through _encBuoyCanvas so every buoy gets 3-D symbology.
// boyshp defaults to 4 (pillar) when unknown — visible & recognisable.
const shp = boyshp || 4;
canvas = _cachedIcon(`boy_gen_${colours.join('-')}_${shp}_${hasLight}`,
() => _encBuoyCanvas({ colours, boyshp: shp, catlam, region, hasLight }));
}
}
// Safety net: if any draw function threw, canvas may be null. Fall back to
// a small colored circle so the feature is still visible and clickable.
if (!canvas) {
const fc = document.createElement('canvas'); fc.width = fc.height = 16;
const fx = fc.getContext('2d');
fx.beginPath(); fx.arc(8, 8, 7, 0, Math.PI * 2);
fx.fillStyle = colours[0] ? _s57css(colours[0]) : '#607d8b'; fx.fill();
fx.strokeStyle = '#fff'; fx.lineWidth = 1.5; fx.stroke();
canvas = fc;
console.warn('[ENC] canvas fallback for', layer, aidType, colours);
}
// Compute zoom from resolution (deterministic, no map object access needed).
// OL WebMercator: resolution ≈ 156543 / 2^zoom → zoom = log2(156543/res)
const _zr = resolution ? Math.log2(156543.03392 / Math.max(resolution, 0.001)) : 14;
// Scale: 0.22 at zoom 7, 0.50 at zoom 14+ — half the original canvas size.
const iconScale = Math.max(0.22, Math.min(0.50, 0.22 + (_zr - 7) * 0.04));
return new ol.style.Style({
image: new ol.style.Icon({
img: canvas, imgSize: [canvas.width, canvas.height], scale: iconScale,
anchor: [0.5, 1.0], anchorXUnits: 'fraction', anchorYUnits: 'fraction',
}),
text: label ? new ol.style.Text({
text: label,
offsetY: 10,
font: '600 10px "Inter", "Segoe UI", sans-serif',
fill: new ol.style.Fill({ color: '#e8f4fd' }),
stroke: new ol.style.Stroke({ color: 'rgba(0,0,0,0.55)', width: 2 }),
overflow: true,
}) : undefined,
});
}
// ── Bathymetry rendering — IHO S-52 / NOAA convention ────────────────────
// Deeper water = paler / nearly white. Shallower = darker blue. Very shallow
// (<2 m, "drying heights") gets a warm tint to scream "danger".
function _depthFill(d) {
// Tones taken from IHO INT 1 / NOAA paper charts: a soft "blue tint"
// that gets paler with depth and turns to white below the safety contour.
if (d == null) return 'rgba(216,234,244,0.85)'; // unknown
if (d <= 1) return 'rgba(176,216,232,0.85)'; // ≤ 1 m NOAA shallow tint
if (d < 2) return 'rgba(196,226,238,0.85)'; // 1 – 2 m
if (d < 4) return 'rgba(216,234,244,0.85)'; // 2 – 4 m
if (d < 10) return 'rgba(232,242,248,0.85)'; // 4 – 10 m
return 'rgba(248,252,254,0.80)'; // ≥ 10 m near white
}
const _depthStyleCache = new Map();
function _depareStyle(depthMin) {
const key = `dp_${depthMin}`;
if (!_depthStyleCache.has(key)) {
_depthStyleCache.set(key, new ol.style.Style({
fill: new ol.style.Fill({ color: _depthFill(depthMin) }),
stroke: new ol.style.Stroke({ color: 'rgba(80,140,190,0.35)', width: 0.5 }),
}));
}
return _depthStyleCache.get(key);
}
const _contourLine = new ol.style.Style({
stroke: new ol.style.Stroke({ color: 'rgba(40,80,130,0.55)', width: 0.7 }),
});
function _contourStyle(depth, resolution) {
// Depth label every ~600 px along the line, only at zoom ≥ 14 (res < 10 m/px)
if (depth == null || resolution > 10) return _contourLine;
return [
_contourLine,
new ol.style.Style({
text: new ol.style.Text({
text: depth.toString(),
font: '500 9px "Inter", sans-serif',
fill: new ol.style.Fill({ color: '#1a3a5c' }),
stroke: new ol.style.Stroke({ color: 'rgba(255,255,255,0.85)', width: 2 }),
placement: 'line',
textBaseline: 'middle',
}),
}),
];
}
function _soundingStyle(depth, resolution) {
// Numeric soundings — visible at most working zoom levels.
if (depth == null || resolution > 30) return null;
return new ol.style.Style({
text: new ol.style.Text({
text: depth.toString(),
font: '500 10px "Inter", sans-serif',
fill: new ol.style.Fill({ color: '#1a3a5c' }),
stroke: new ol.style.Stroke({ color: 'rgba(255,255,255,0.9)', width: 2.5 }),
}),
});
}
// Solid-buff land style — paper-chart yellow. Only rendered in CHART mode
// so the regular DEPTHS toggle doesn't accidentally cover the OSM basemap.
let _chartModeActive = false;
const _landMaskStyle = new ol.style.Style({
fill: new ol.style.Fill({ color: 'rgba(248,231,184,1)' }), // NOAA paper buff
stroke: new ol.style.Stroke({ color: 'rgba(140,115,70,0.7)', width: 0.6 }),
});
function depthStyle(feature, resolution) {
if (!_cellShouldRender(feature.get('cell'), resolution)) return null;
const layer = feature.get('layer');
// DEPCNT contour lines always rendered — they're thin and don't cover OSM.
// DEPARE polygons and LANDMASK fill paint opaque areas → restricted to
// CHART mode where OSM is hidden.
if (layer === 'DEPCNT') return _contourStyle(feature.get('depth'), resolution);
if (layer === 'DEPARE') return _chartModeActive ? _depareStyle(feature.get('depth_min')) : null;
if (layer === 'LANDMASK') return _chartModeActive ? _landMaskStyle : null;
return null;
}
// SOUNDG soundings — rendered on top of land/buildings/aids (zIndex 8).
function soundStyle(feature, resolution) {
if (!_cellShouldRender(feature.get('cell'), resolution)) return null;
return _soundingStyle(feature.get('depth'), resolution);
}
// ── Land / terrain styles ─────────────────────────────────────────────────────
const _LNDARE_STYLE = new ol.style.Style({
fill: new ol.style.Fill({ color: 'rgba(245,231,174,0.97)' }),
stroke: new ol.style.Stroke({ color: 'rgba(140,115,70,0.5)', width: 0.5 }),
});
const _BUAARE_STYLE = new ol.style.Style({
fill: new ol.style.Fill({ color: 'rgba(215,200,160,0.97)' }),
stroke: new ol.style.Stroke({ color: 'rgba(120,100,60,0.5)', width: 0.5 }),
});
const _COALNE_STYLE = new ol.style.Style({
stroke: new ol.style.Stroke({ color: '#5a3e2b', width: 1.5 }),
});
// Buildings — S-52 LANDA tone with visible outline; name shown when zoomed in
function _buisglStyle(feature, resolution) {
const name = resolution < 3 ? (feature.get('name') || '') : '';
return new ol.style.Style({
fill: new ol.style.Fill({ color: 'rgba(188,160,110,0.92)' }),
stroke: new ol.style.Stroke({ color: 'rgba(100,75,30,0.9)', width: 1.2 }),
text: name ? new ol.style.Text({
text: name,
font: '500 9px "Inter", sans-serif',
fill: new ol.style.Fill({ color: '#3e2a06' }),
stroke: new ol.style.Stroke({ color: 'rgba(255,240,200,0.85)', width: 2 }),
overflow: true,
}) : undefined,
});
}
function _landPointCanvas(key, drawFn) {
return _cachedIcon(key, drawFn);
}
function landStyle(feature, resolution) {
if (!_cellShouldRender(feature.get('cell'), resolution)) return null;
const layer = feature.get('layer');
if (layer === 'LNDARE') return _LNDARE_STYLE;
if (layer === 'BUAARE') return _BUAARE_STYLE;
if (layer === 'COALNE') return _COALNE_STYLE;
if (layer === 'BUISGL') return _buisglStyle(feature, resolution);
if (layer === 'BRIDGE') {
const c = _landPointCanvas('lnd_bridge', () => {
const cv = document.createElement('canvas'); cv.width = 16; cv.height = 10;
const x = cv.getContext('2d');
x.fillStyle = '#555'; x.fillRect(0, 3, 16, 4);
x.strokeStyle = '#333'; x.lineWidth = 1; x.strokeRect(0, 3, 16, 4);
return cv;
});
return new ol.style.Style({ image: new ol.style.Icon({ img: c, imgSize: [c.width, c.height] }) });
}
if (layer === 'HRBFAC') {
const c = _landPointCanvas('lnd_harbour', () => {
const cv = document.createElement('canvas'); cv.width = cv.height = 16;
const x = cv.getContext('2d');
x.strokeStyle = '#1a5276'; x.lineWidth = 1.5;
x.beginPath(); x.arc(8, 5, 3, 0, Math.PI * 2); x.stroke();
x.beginPath(); x.moveTo(8, 8); x.lineTo(8, 15); x.stroke();
x.beginPath(); x.moveTo(3, 12); x.lineTo(13, 12); x.stroke();
return cv;
});
return new ol.style.Style({ image: new ol.style.Icon({ img: c, imgSize: [16, 16] }) });
}
if (layer === 'BUISGL' || layer === 'SILTNK') {
const c = _landPointCanvas(`lnd_${layer}`, () => {
const cv = document.createElement('canvas'); cv.width = cv.height = 10;
const x = cv.getContext('2d');
x.fillStyle = '#aaa'; x.fillRect(1, 1, 8, 8);
x.strokeStyle = '#666'; x.lineWidth = 1; x.strokeRect(1, 1, 8, 8);
return cv;
});
return new ol.style.Style({ image: new ol.style.Icon({ img: c, imgSize: [10, 10] }) });
}
return null;
}
// ── Hazard styles (IHO S-52 approximation) ────────────────────────────────────
const _WRECK_CANVAS = (() => {
const c = document.createElement('canvas'); c.width = c.height = 18;
const x = c.getContext('2d');
x.strokeStyle = '#7b0000'; x.lineWidth = 2;
x.beginPath(); x.moveTo(3, 3); x.lineTo(15, 15); x.stroke();
x.beginPath(); x.moveTo(15, 3); x.lineTo(3, 15); x.stroke();
x.beginPath(); x.arc(9, 9, 4, 0, Math.PI * 2);
x.strokeStyle = '#7b0000'; x.lineWidth = 1.5; x.stroke();
return c;
})();
const _OBSTRN_CANVAS = (() => {
const c = document.createElement('canvas'); c.width = c.height = 16;
const x = c.getContext('2d');
x.strokeStyle = 'rgb(140,0,140)'; x.lineWidth = 1.5;
x.beginPath(); x.arc(8, 8, 7, 0, Math.PI * 2); x.stroke();
x.fillStyle = 'rgb(140,0,140)';
x.beginPath(); x.arc(8, 8, 2.5, 0, Math.PI * 2); x.fill();
return c;
})();
const _UWTROC_CANVAS = (() => {
const c = document.createElement('canvas'); c.width = c.height = 16;
const x = c.getContext('2d');
x.beginPath(); x.moveTo(8, 1); x.lineTo(15, 8); x.lineTo(8, 15); x.lineTo(1, 8); x.closePath();
x.fillStyle = 'rgba(0,90,170,0.75)'; x.fill();
x.strokeStyle = '#003366'; x.lineWidth = 1; x.stroke();
return c;
})();
const _WRECK_STYLE = new ol.style.Style({ image: new ol.style.Icon({ img: _WRECK_CANVAS, imgSize: [18, 18] }) });
const _OBSTRN_STYLE = new ol.style.Style({ image: new ol.style.Icon({ img: _OBSTRN_CANVAS, imgSize: [16, 16] }) });
const _UWTROC_STYLE = new ol.style.Style({ image: new ol.style.Icon({ img: _UWTROC_CANVAS, imgSize: [16, 16] }) });
function hazardStyle(feature, resolution) {
if (!_cellShouldRender(feature.get('cell'), resolution)) return null;
const layer = feature.get('layer');
if (layer === 'WRECKS') return _WRECK_STYLE;
if (layer === 'OBSTRN') return _OBSTRN_STYLE;
if (layer === 'UWTROC') return _UWTROC_STYLE;
return null;
}
// ── Zone / area styles ────────────────────────────────────────────────────────
const _ZONE_CFG = {
RESARE: { fill: 'rgba(200,0,0,0.07)', stroke: '#cc0000', dash: [6,4], w: 1.5 },
CTNARE: { fill: 'rgba(210,160,0,0.09)', stroke: '#b8860a', dash: [6,4], w: 1.5 },
ACHARE: { fill: 'rgba(0,70,180,0.07)', stroke: '#0044bb', dash: [5,5], w: 1.5 },
TSSLPT: { fill: 'rgba(0,130,0,0.07)', stroke: '#006600', dash: null, w: 1 },
FAIRWY: { fill: 'rgba(0,110,120,0.07)', stroke: '#005555', dash: [4,6], w: 1 },
PRCARE: { fill: 'rgba(190,90,0,0.07)', stroke: '#aa5500', dash: [6,4], w: 1.5 },
DMPGRD: { fill: 'rgba(100,100,100,0.07)', stroke: '#555555', dash: [3,5], w: 1 },
PIPARE: { fill: 'rgba(160,80,0,0.07)', stroke: '#884400', dash: [2,4], w: 1 },
};
const _zoneStyleMap = new Map();
Object.entries(_ZONE_CFG).forEach(([layer, cfg]) => {
_zoneStyleMap.set(layer, new ol.style.Style({
fill: new ol.style.Fill({ color: cfg.fill }),
stroke: new ol.style.Stroke({ color: cfg.stroke, width: cfg.w,
lineDash: cfg.dash || undefined }),
}));
});
function zoneStyle(feature, resolution) {
if (!_cellShouldRender(feature.get('cell'), resolution)) return null;
return _zoneStyleMap.get(feature.get('layer')) || null;
}
// Track the last bbox we requested so we can skip redundant fetches when the
// user pans only slightly. We expand the request bbox by a margin so small
// pans don't always trigger a refetch.
let _lastDepthBbox = null;
function _bboxContains(outer, inner) {
if (!outer || !inner) return false;
return outer[0] <= inner[0] && outer[1] <= inner[1]
&& outer[2] >= inner[2] && outer[3] >= inner[3];
}
window.loadChartDepths = async function() {
if (!depthLayer.getVisible()) return; // nothing to do if hidden
const view = map.getView();
const extent = view.calculateExtent(map.getSize());
// Convert from map projection (EPSG:3857) to lon/lat
const [w, s, e, n] = ol.proj.transformExtent(extent, view.getProjection(), 'EPSG:4326');
// Skip if current cache already covers the visible viewport
if (_bboxContains(_lastDepthBbox, [w, s, e, n])) return;
// Request a slightly larger area than visible so small pans hit the cache
const dx = (e - w) * 0.5, dy = (n - s) * 0.5;
const W = w - dx, S = s - dy, E = e + dx, N = n + dy;
try {
const r = await fetch(`/charts/depths?w=${W}&s=${S}&e=${E}&n=${N}`);
const fc = await r.json();
depthSource.clear();
soundSource.clear();
if (fc.features?.length) {
const fmt = new ol.format.GeoJSON();
const all = fmt.readFeatures(fc, { featureProjection: 'EPSG:3857' });
// Route SOUNDG (numbers) to soundLayer (zIndex 8) so soundings render
// above terrain. Everything else stays in depthLayer (zIndex 2).
const sound = [], rest = [];
for (const f of all) {
(f.get('layer') === 'SOUNDG' ? sound : rest).push(f);
}
if (rest.length) depthSource.addFeatures(rest);
if (sound.length) soundSource.addFeatures(sound);
// Update the legend's unit label from whatever the chart provides
const unit = fc.features[0].properties?.unit || 'METERS';
const legendTitle = document.querySelector('#depth-legend .dl-title');
if (legendTitle) legendTitle.textContent = `DEPTHS — ${unit}`;
}
_lastDepthBbox = [W, S, E, N];
console.log(`[ENC] Depths loaded: ${fc.features?.length || 0} in viewport`);
} catch (e) { console.warn('Depth load error', e); }
};
// Debounced reload on pan/zoom — fires ~300 ms after the user stops moving.
let _depthReloadTimer = null;
function _scheduleDepthReload() {
clearTimeout(_depthReloadTimer);
_depthReloadTimer = setTimeout(() => window.loadChartDepths(), 300);
}
window.loadChartLand = async function() {
landSource.clear();
try {
const r = await fetch('/charts/land');
const fc = await r.json();
if (!fc.features?.length) return;
landSource.addFeatures(
new ol.format.GeoJSON().readFeatures(fc, { featureProjection: 'EPSG:3857' }));
console.log(`[ENC] Land: ${fc.features.length} features`);
} catch(e) { console.warn('Land load error', e); }
};
window.loadChartHazards = async function() {
hazardSource.clear();
try {
const r = await fetch('/charts/hazards');
const fc = await r.json();
if (!fc.features?.length) return;
hazardSource.addFeatures(
new ol.format.GeoJSON().readFeatures(fc, { featureProjection: 'EPSG:3857' }));
console.log(`[ENC] Hazards: ${fc.features.length} features`);
} catch(e) { console.warn('Hazard load error', e); }
};
window.loadChartZones = async function() {
zoneSource.clear();
try {
const r = await fetch('/charts/zones');
const fc = await r.json();
if (!fc.features?.length) return;
zoneSource.addFeatures(
new ol.format.GeoJSON().readFeatures(fc, { featureProjection: 'EPSG:3857' }));
console.log(`[ENC] Zones: ${fc.features.length} features`);
} catch(e) { console.warn('Zones load error', e); }
};
window.reloadAllChartLayers = function() {
// Clear symbol cache so newly-built charts pick up fresh symbols
Object.keys(_iconCache).forEach(k => delete _iconCache[k]);
window.loadChartFeatures?.();
window.loadChartLand?.();
window.loadChartHazards?.();
window.loadChartZones?.();
if (depthLayer.getVisible()) {
_lastDepthBbox = null;
window.loadChartDepths?.();
}
};
window.loadChartFeatures = async function() {
encSource.clear();
try {
const r = await fetch('/charts/features');
const fc = await r.json();
if (!fc.features?.length) return;
// ── Merge LIGHTS into nearby structure features ────────────────────────
// S-57 encodes each buoy/beacon and its light as TWO separate objects.
// They may be at exactly the same coordinates (NOAA pattern) or up to
// ~50 m apart (≈0.00045°). We try exact match first, then proximity.
// After merging: light attrs copied into host, LIGHT_POINT dropped.
const MERGE_DEG = 0.00045; // ~50 m — matches backend proximity radius
const structList = []; // [{ f, x, y }] — all structure features
for (const f of fc.features) {
const lyr = (f.properties?.layer || '').toUpperCase();
if (lyr.startsWith('BOY') || lyr.startsWith('BCN') || lyr === 'LNDMRK') {
const [x, y] = f.geometry.coordinates;
structList.push({ f, x, y });
}
}
// Fast exact-coord lookup (grid key rounded to 6 dp ≈ 0.11 m)
const structByKey = new Map();
for (const s of structList) {
structByKey.set(`${s.x.toFixed(6)}_${s.y.toFixed(6)}`, s.f);
}
const before = fc.features.length;
fc.features = fc.features.filter(f => {
if (f.properties?.aid_type !== 'LIGHT_POINT') return true;
const [lx, ly] = f.geometry.coordinates;
// 1) Try exact coordinate match
let host = structByKey.get(`${lx.toFixed(6)}_${ly.toFixed(6)}`);
// 2) Proximity fallback (~50 m radius)
if (!host) {
let bestDist = MERGE_DEG;
for (const s of structList) {
const d = Math.sqrt((lx - s.x) ** 2 + (ly - s.y) ** 2);
if (d < bestDist) { bestDist = d; host = s.f; }
}
}
if (!host) return true; // standalone light with no nearby structure — keep
const hp = host.properties;
const lp = f.properties;
// Backfill colour from light if host has none
if (!hp.colours?.length && lp.colours?.length) {
hp.colours = lp.colours.slice();
// Infer CATLAM from colour when missing
const region = hp.cell_region || 'B';
const ialaB = region === 'B';
const c0 = lp.colours[0];
if (!hp.catlam) {
if (c0 === 4) hp.catlam = ialaB ? 1 : 2;
else if (c0 === 3) hp.catlam = ialaB ? 2 : 1;
}
if (hp.catlam === 1) hp.aid_type = 'LATERAL_PORT';
else if (hp.catlam === 2) hp.aid_type = 'LATERAL_STBD';
}
// Copy light character, range, height → these appear in the tooltip
if (lp.light_desc && !hp.light_desc) hp.light_desc = lp.light_desc;
if (lp.range_nm && !hp.range_nm) hp.range_nm = lp.range_nm;
if (lp.height_m && !hp.height_m) hp.height_m = lp.height_m;
// Copy orient so the buoy/beacon can anchor its leading line correctly
if (lp.orient != null && hp.orient == null) hp.orient = lp.orient;
return false; // drop the now-redundant LIGHT_POINT
});
const dropped = before - fc.features.length;
// ── Merge LDLINE pairs (enfilaciones) ──────────────────────────────────
// Enfilaciones always work in PAIRS (or triples): two aligned marks on the
// SAME bearing define one leading line. We get one LDLINE per mark but must
// show only ONE continuous line projected from the outermost (seaward) mark.
// Group by rounded bearing (0.5° resolution) and cell, then keep the one
// line that spans from the outermost start to the farthest endpoint.
const ldByKey = new Map(); // `${cell}_${roundedBearing}` → [feature, ...]
for (const f of fc.features) {
if (f.properties?.layer !== 'LDLINE') continue;
const bear = Math.round((f.properties.orient || 0) * 2) / 2;
const cell = f.properties.cell || '';
const key = `${cell}_${bear}`;
if (!ldByKey.has(key)) ldByKey.set(key, []);
ldByKey.get(key).push(f);
}
const ldRemove = new Set();
for (const [, group] of ldByKey) {
if (group.length <= 1) continue;
// Project each mark's start-point onto the bearing direction vector.
// The mark with SMALLEST projection is most seaward (outermost, front mark).
const bear0 = (group[0].properties.orient || 0) * Math.PI / 180;
const dx = Math.sin(bear0), dy = Math.cos(bear0);
const proj = group.map(f => {
const [x, y] = f.geometry.coordinates[0];
return { f, p: x * dx + y * dy, end: f.geometry.coordinates[1] };
});
proj.sort((a, b) => a.p - b.p);
// Keep the outermost (front mark), extend its endpoint to the farthest inland end
const keeper = proj[0].f;
// Farthest inland endpoint (highest projection value)
keeper.geometry.coordinates[1] = proj[proj.length - 1].end;
// Build the name from all paired marks combined
const names = [...new Set(proj.map(x => x.f.properties.name).filter(Boolean))];
if (names.length > 1) keeper.properties.name = names.join(' — ');
// Drop all others
for (const { f } of proj.slice(1)) ldRemove.add(f);
}
fc.features = fc.features.filter(f => !ldRemove.has(f));
const layerCounts = {};
fc.features.forEach(f => {
const l = f.properties?.layer || 'unknown';
layerCounts[l] = (layerCounts[l] || 0) + 1;
});
console.log(`[ENC] Features by layer (${dropped} duplicate lights dropped):`, layerCounts);
const fmt = new ol.format.GeoJSON();
const features = fmt.readFeatures(fc, { featureProjection: 'EPSG:3857' });
encSource.addFeatures(features);
} catch(e) { console.warn('ENC load error', e); }
};
window.loadChartFeatures();
window.loadChartLand();
window.loadChartHazards();
window.loadChartZones();
const map = new ol.Map({
target: 'map',
layers: [osmLayer, oceanRefLayer, depthLayer, landLayer, zoneLayer, seaMapLayer, encLayer, hazardLayer, soundLayer, vesselsLayer, aidsLayer],
view: new ol.View({
center: ol.proj.fromLonLat([MAP_CENTER_LON, MAP_CENTER_LAT]),
zoom: MAP_ZOOM,
minZoom: 5,
}),
controls: ol.control.defaults.defaults({ attribution: false }),
});
// ── Estilos ────────────────────────────────────────────────────────────────
// Color escala por LOA (matching AR ECDIS) — la longitud es el dato útil
// para evitar colisiones; el tipo AIS es categoría administrativa.
function vesselColorByLength(L) {
if (L >= 300) return '#ff3333'; // VLCC, ULCS
if (L >= 200) return '#ff8800'; // large container/cruise
if (L >= 100) return '#ffd700'; // medium
if (L >= 50) return '#3399ff'; // coastal
if (L >= 20) return '#99ddff'; // small craft
return '#aaffaa'; // yacht / fishing
}
// Compute ship silhouette polygon as ring of [lon,lat] coords.
// Reference point (AIS antenna) at the given (lat,lon).
// Bow points along heading (clockwise degrees from true north).
function _computeShipPolygon(lat, lon, headingDeg, length, beam,
toBow, toStern, toPort, toStarboard) {
const L = length || 50;
const B = beam || L * 0.15;
const Tb = toBow ?? L / 2;
const Ts = toStern ?? (L - Tb);
const Tp = toPort ?? B / 2;
const Tsb = toStarboard ?? (B - Tp);
// Ship-local frame (m): x=starboard, y=bow. Origin = antenna.
// Pointed bow, parallel sides, square stern with small notch.
const local = [
[0, Tb], // bow tip
[Tsb, Tb * 0.65], // starboard shoulder
[Tsb, -Ts * 0.50], // mid-starboard
[Tsb * 0.7, -Ts], // stern starboard corner
[0, -Ts * 0.92], // stern notch
[-Tp * 0.7, -Ts], // stern port corner
[-Tp, -Ts * 0.50], // mid-port
[-Tp, Tb * 0.65], // port shoulder
[0, Tb], // close
];
const h = headingDeg * Math.PI / 180;
const cos = Math.cos(h), sin = Math.sin(h);
const mPerDegLat = 111320;
const mPerDegLon = 111320 * Math.cos(lat * Math.PI / 180);
return local.map(([x, y]) => {
// Rotate clockwise from north: east = x*cos + y*sin, north = -x*sin + y*cos
const e = x * cos + y * sin;
const n = -x * sin + y * cos;
return [lon + e / mPerDegLon, lat + n / mPerDegLat];
});
}
function vesselStyle(feature, resolution) {
const heading = feature.get('heading') ?? feature.get('cog') ?? 0;
const length = feature.get('length') || 0;
const tipo = feature.get('tipo') || 0;
const color = length > 0 ? vesselColorByLength(length) : vesselColor(tipo);
const geom = feature.getGeometry();
const isPoly = geom && geom.getType() === 'Polygon';
const labelText = feature.get('nombre') || feature.get('mmsi');
const styles = [];
if (isPoly) {
// Pixel size of silhouette at current resolution — decides whether to
// add a fallback icon for very-zoomed-out views.
const ext = geom.getExtent();
const sizePx = Math.max(ext[2] - ext[0], ext[3] - ext[1]) / resolution;
styles.push(new ol.style.Style({
fill: new ol.style.Fill({ color }),
stroke: new ol.style.Stroke({ color: '#000', width: 1 }),
}));
// COG vector — dashed line ahead of the bow (1 minute of travel)
const sog = feature.get('sog') || 0;
if (sog > 0.5) {
const cog = feature.get('cog') ?? heading;
const lat = feature.get('lat'), lon = feature.get('lon');
const distM = sog * 0.514444 * 60; // 1 minute @ SOG knots
const h = cog * Math.PI / 180;
const mPerDegLat = 111320;
const mPerDegLon = 111320 * Math.cos(lat * Math.PI / 180);
const tipLon = lon + (distM * Math.sin(h)) / mPerDegLon;
const tipLat = lat + (distM * Math.cos(h)) / mPerDegLat;
const fromCoord = ol.proj.fromLonLat([lon, lat]);
const toCoord = ol.proj.fromLonLat([tipLon, tipLat]);
styles.push(new ol.style.Style({
geometry: new ol.geom.LineString([fromCoord, toCoord]),
stroke: new ol.style.Stroke({
color, width: 1.5, lineDash: [4, 4],
}),
}));
}
// If the silhouette is too small to perceive, stamp the legacy ship icon
// on the centroid so the vessel stays visible at world zoom.
if (sizePx < 6) {
const ctr = ol.extent.getCenter(ext);
const canvas = _cachedIcon(`ship_${color}`, () => _drawShip(color));
styles.push(new ol.style.Style({
geometry: new ol.geom.Point(ctr),
image: new ol.style.Icon({
img: canvas, imgSize: [canvas.width, canvas.height],
rotation: ol.math.toRadians(heading), rotateWithView: false,
}),
}));
}
styles.push(new ol.style.Style({
geometry: new ol.geom.Point(ol.extent.getCenter(ext)),
text: new ol.style.Text({
text: labelText,
offsetY: sizePx > 10 ? -(sizePx / 2) - 8 : 16,
font: '500 10px Inter, sans-serif',
fill: new ol.style.Fill({ color: '#e0ecf8' }),
stroke: new ol.style.Stroke({ color: '#030810', width: 3 }),
}),
}));
} else {
// Point feature — vessel reported position only, no dimensions yet.
const canvas = _cachedIcon(`ship_${color}`, () => _drawShip(color));
styles.push(new ol.style.Style({
image: new ol.style.Icon({
img: canvas, imgSize: [canvas.width, canvas.height],
rotation: ol.math.toRadians(heading), rotateWithView: false,
}),
text: new ol.style.Text({
text: labelText,
offsetY: 20,
font: '500 10px Inter, sans-serif',
fill: new ol.style.Fill({ color: '#e0ecf8' }),
stroke: new ol.style.Stroke({ color: '#030810', width: 3 }),
}),
}));
}
return styles;
}
function vesselColor(tipo) {
if (tipo >= 60 && tipo < 70) return '#06b6d4'; // pasajeros — cyan
if (tipo >= 70 && tipo < 80) return '#f59e0b'; // cargo — amber
if (tipo >= 80 && tipo < 90) return '#dc2626'; // tanquero — red
if (tipo === 52 || tipo === 21) return '#f97316'; // remolcador — orange
if (tipo === 30) return '#22c55e'; // pesquero — green
return '#94a3b8'; // default — slate
}
// ── Status dot: small alert overlay on top-right corner ─────────────────────
// Only painted when there's an anomaly so symbols stay clean in normal state.
// amber = fuera de posición red = en movimiento / alarma
function _stampStatus(canvas, enPos, enMov) {
if (!enMov && enPos !== false) return; // normal state → leave symbol clean
const ctx = canvas.getContext('2d');
const r = 2.5;
const x = canvas.width - r - 0.5, y = r + 0.5;
const dotColor = enMov ? '#ff3333' : '#fbbf24';
ctx.beginPath(); ctx.arc(x, y, r, 0, Math.PI * 2);
ctx.fillStyle = dotColor; ctx.fill();
ctx.strokeStyle = '#000'; ctx.lineWidth = 0.8; ctx.stroke();
}
// ── Position dot: small black dot at bottom-center = geographic anchor point ──
function _posDot(canvas) {
const ctx = canvas.getContext('2d');
const cx = canvas.width / 2;
ctx.beginPath(); ctx.arc(cx, canvas.height - 2, 2.5, 0, Math.PI * 2);
ctx.fillStyle = '#111'; ctx.fill();
ctx.strokeStyle = 'rgba(255,255,255,0.9)'; ctx.lineWidth = 0.8; ctx.stroke();
}
// Like _cachedIcon but always adds the position dot after drawing.
function _aidIcon(key, drawFn) {
if (!_iconCache[key]) {
const c = drawFn();
_posDot(c);
_iconCache[key] = c;
}
return _iconCache[key];
}
// ── Infer port/starboard from the aid's nombre ────────────────────────────────
function _isPortSide(nombre, ialaB) {
const n = (nombre || '').toLowerCase();
if (n.includes('babor') || n.includes('izquierda') || n.includes('larboard')) return true;
if (n.includes('estribor') || n.includes('derecha') || n.includes('starboard')) return false;
// Colour hints: IALA-B port=green, stbd=red; IALA-A inverted
if (ialaB) {
if (n.includes('verde') || n.includes('green')) return true;
if (n.includes('rojo') || n.includes('red')) return false;
} else {
if (n.includes('rojo') || n.includes('red')) return true;
if (n.includes('verde') || n.includes('green')) return false;
}
return true; // default to port when ambiguous
}
// ── Cardinal quadrant from name ───────────────────────────────────────────────
function _cardinalQ(nombre) {
const n = (nombre || '').toUpperCase();
if (n.includes('SUR') || n.includes('SOUTH')) return 'S';
if (n.includes('ESTE') || n.includes('EAST')) return 'E';
if (n.includes('OESTE') || n.includes('WEST') || n.includes('NW') || n.includes('SW')) {
if (n.includes('NW') || n.includes('NOROESTE')) return 'NW';
if (n.includes('SW') || n.includes('SUROESTE')) return 'SW';
return 'W';
}
if (n.includes('NE') || n.includes('NORESTE')) return 'NE';
if (n.includes('SE') || n.includes('SURESTE')) return 'SE';
return 'N';
}
function aidStyle(feature) {
const tipo = (feature.get('tipo') || '').toUpperCase();
const enPos = feature.get('en_posicion') !== false;
const enMov = feature.get('en_movimiento') === true;
const nombre = feature.get('nombre') || '';
const ialaB = window.IALA_REGION === 'B';
// S-57 colour codes: 3=Red 4=Green
const portCode = ialaB ? 4 : 3;
const stbdCode = ialaB ? 3 : 4;
const stat = enMov ? 'm' : enPos ? 'p' : 'o';
let canvas;
if (tipo === 'FARO') {
canvas = _aidIcon(`faro_${stat}`, () => {
const c = _drawLighthouse('#f9a825', 28);
_stampStatus(c, enPos, enMov); return c;
});
} else if (tipo === 'FAROL') {
canvas = _aidIcon(`farol_${stat}`, () => {
const c = _drawLighthouse('#f9a825', 22);
_stampStatus(c, enPos, enMov); return c;
});
} else if (tipo === 'BOYA_LATERAL') {
// Symbols ported from AR ECDIS — port=can, stbd=cone, colour by region.
const isPort = _isPortSide(nombre, ialaB);
const side = isPort ? 'P' : 'S';
canvas = _cachedIcon(`iala_lat_${side}_${ialaB}_${stat}`, () => {
const c = isPort ? _ialaBoyLatPort(ialaB) : _ialaBoyLatStbd(ialaB);
_stampStatus(c, enPos, enMov); return c;
});
} else if (tipo === 'BOYA_CARDINAL') {
// Reduce intercardinals (NE/SE/NW/SW) to the 4 main quadrants.
let q = _cardinalQ(nombre);
if (!['N','S','E','W'].includes(q)) q = q[0];
canvas = _cachedIcon(`iala_car_${q}_${stat}`, () => {
const c = _ialaBoyCar(q);
_stampStatus(c, enPos, enMov); return c;
});
} else if (tipo === 'BOYA_PELIGRO') {
canvas = _cachedIcon(`iala_isd_${stat}`, () => {
const c = _ialaBoyIsd();
_stampStatus(c, enPos, enMov); return c;
});
} else if (tipo === 'BOYA_AGUAS_SEGURAS') {
canvas = _cachedIcon(`iala_saw_${stat}`, () => {
const c = _ialaBoySaw();
_stampStatus(c, enPos, enMov); return c;
});
} else if (tipo === 'BOYA_ESPECIAL' || tipo.startsWith('BOYA')) {
canvas = _cachedIcon(`iala_spp_${stat}`, () => {
const c = _ialaBoySpp();
_stampStatus(c, enPos, enMov); return c;
});
} else if (tipo === 'BALIZA') {
const isPort = _isPortSide(nombre, ialaB);
const catlam = isPort ? 1 : 2;
const col = isPort ? portCode : stbdCode;
const side = isPort ? 'P' : 'S';
canvas = _aidIcon(`baliza_lat_${side}_${ialaB}_${stat}`, () => {
const c = _encBeaconCanvas([col], catlam, ialaB ? 'B' : 'A');
_stampStatus(c, enPos, enMov); return c;
});
} else if (tipo === 'ENFILACION') {
canvas = _aidIcon(`enfil_${stat}`, () => {
const c = _drawTriangle('#f9a825', '#c8780a', 22);
_stampStatus(c, enPos, enMov); return c;
});
} else {
const fill = enMov ? '#e53935' : (enPos ? '#1db954' : '#f59e0b');
const stroke = enMov ? '#ff6b6b' : (enPos ? '#4ade80' : '#fcd34d');
canvas = _aidIcon(`aid_gen_${stat}`, () => _drawDiamond(fill, stroke));
}
return new ol.style.Style({
image: new ol.style.Icon({
img: canvas, imgSize: [canvas.width, canvas.height], scale: 1,
anchor: [0.5, 1.0], anchorXUnits: 'fraction', anchorYUnits: 'fraction',
}),
text: new ol.style.Text({
text: nombre,
offsetY: 8,
font: '500 9px Inter, sans-serif',
fill: new ol.style.Fill({ color: '#cbd5e1' }),
stroke: new ol.style.Stroke({ color: '#030810', width: 3 }),
}),
});
}
// ── Actualizar features ────────────────────────────────────────────────────
window.updateVessel = function(data) {
let feature = vesselsSource.getFeatureById(data.mmsi);
const headingForGeom = data.heading ?? data.cog ?? 0;
// Build silhouette polygon if we have dimensions, fall back to Point.
let geometry;
if (data.length && data.beam) {
const ringLL = _computeShipPolygon(
data.lat, data.lon, headingForGeom,
data.length, data.beam,
data.to_bow, data.to_stern, data.to_port, data.to_starboard
);
const ring = ringLL.map(c => ol.proj.fromLonLat(c));
geometry = new ol.geom.Polygon([ring]);
} else {
geometry = new ol.geom.Point(ol.proj.fromLonLat([data.lon, data.lat]));
}
if (!feature) {
feature = new ol.Feature({ geometry });
feature.setId(data.mmsi);
vesselsSource.addFeature(feature);
} else {
feature.setGeometry(geometry);
}
feature.setProperties({
featureType: 'vessel',
mmsi: data.mmsi, nombre: data.nombre,
tipo: data.tipo, tipo_nombre: data.tipo_nombre,
sog: data.sog, cog: data.cog, heading: data.heading,
lat: data.lat, lon: data.lon,
length: data.length, beam: data.beam,
to_bow: data.to_bow, to_stern: data.to_stern,
to_port: data.to_port, to_starboard: data.to_starboard,
// Static AIS Type 5 / Type 24
imo: data.imo, callsign: data.callsign, bandera: data.bandera,
draught: data.draught, eta: data.eta,
// Dynamic Type 1/2/3
nav_status: data.nav_status, nav_status_name: data.nav_status_name,
rot: data.rot, fix_type: data.fix_type,
destino: data.destino, timestamp: data.timestamp,
});
// Pass the function so OL re-evaluates per resolution (silhouette ↔ icon).
feature.setStyle(vesselStyle);
recordPosition(data.mmsi, data.lat, data.lon);
const n = vesselsSource.getFeatures().length;
document.getElementById('vessel-count').textContent = n;
};
window.updateAid = function(data) {
let feature = aidsSource.getFeatureById(data.id);
const lat = data.lat_actual ?? data.lat_nominal;
const lon = data.lon_actual ?? data.lon_nominal;
const coord = ol.proj.fromLonLat([lon, lat]);
if (!feature) {
feature = new ol.Feature({ geometry: new ol.geom.Point(coord) });
feature.setId(data.id);
aidsSource.addFeature(feature);
} else {
feature.getGeometry().setCoordinates(coord);
}
feature.setProperties({ featureType: 'aid', ...data });
feature.setStyle(aidStyle(feature));
// Limpiar símbolo solo si volvió a posición Y no hay alerta activa registrada
if (data.en_posicion === true && !data.en_movimiento) {
const id = data.id;
const alerts = window.activeAlerts;
const hasAlert = alerts &&
(alerts.has(`ALERTA_ROJA__${id}`) || alerts.has(`ALERTA_AMARILLA__${id}`));
if (!hasAlert) window.setAidWarning?.(feature, null);
}
const n = aidsSource.getFeatures().length;
document.getElementById('aid-count').textContent = n;
};
// ── Tooltip ────────────────────────────────────────────────────────────────
const tooltip = document.getElementById('tooltip');
// Layers where hover should NOT pop a tooltip — land/depth areas cover huge
// regions and would fire on every mouse move over terrain.
// BUISGL (buildings) and point landmarks are intentionally NOT in this set.
const _NO_HOVER = new Set([
'SOUNDG', 'DEPCNT', 'DEPARE',
'LNDARE', 'LANDMASK', 'BUAARE', 'COALNE', // land — no tooltip
'LDLINE', // leading lines — no tooltip (bearing shown as label)
]);
map.on('pointermove', (evt) => {
// Skip depth features for hover detection. hitTolerance:8 so small
// silhouettes (e.g. a 300m vessel renders ~4px wide at zoom 11) are still
// hoverable without pixel-perfect aiming.
const feature = map.forEachFeatureAtPixel(evt.pixel,
f => _NO_HOVER.has(f.get('layer')) ? null : f,
{ hitTolerance: 8 });
if (!feature) {
tooltip.classList.add('hidden');
map.getTargetElement().style.cursor = '';
return;
}
const p = feature.getProperties();
tooltip.classList.remove('hidden');
tooltip.style.left = (evt.originalEvent.clientX + 14) + 'px';
tooltip.style.top = (evt.originalEvent.clientY - 10) + 'px';
map.getTargetElement().style.cursor = 'pointer';
if (p.featureType === 'vessel') {
const dims = (p.length && p.beam) ? `${p.length} × ${p.beam} m` : '--';
tooltip.innerHTML = `
AIS TARGET
${p.nombre || 'UNKNOWN'}
MMSI${p.mmsi}
${p.callsign ? `CALL${p.callsign}
` : ''}
TYPE${p.tipo_nombre || shipTypeName(p.tipo)}
SIZE${dims}
SOG${p.sog} kn
COG${p.cog}°
${p.draught != null ? `DRAUGHT${p.draught} m
` : ''}
${p.nav_status_name ? `STATUS${p.nav_status_name}
` : ''}
DEST${p.destino || '--'}
`;
} else if (p.featureType === 'aid') {
const disp = p.desplazamiento_m ? `${p.desplazamiento_m.toFixed(1)} m` : '--';
const estado = p.en_movimiento ? 'MOVING' : (p.en_posicion !== false ? 'ON POSITION' : 'DISPLACED');
tooltip.innerHTML = `
AID TO NAVIGATION
${p.nombre}
TYPE${p.tipo}
AIS${p.tipo_ais}
DISPL${disp}
STATUS${estado}
`;
} else if (p.layer) {
// S-57 ENC feature — skip bare land areas (buildings are allowed)
if (['LNDARE','LANDMASK','BUAARE','COALNE'].includes(p.layer)) {
tooltip.classList.add('hidden');
return;
}
const src = p.cell ? `S-57 ENC (${p.cell})` : 'S-57 ENC';
const aidType = (p.aid_type || '').replace(/_/g, ' ');
const colNames = { 1:'White', 2:'Black', 3:'Red', 4:'Green', 5:'Blue',
6:'Yellow', 7:'Grey', 8:'Brown', 9:'Amber', 10:'Violet',
11:'Orange', 12:'Magenta' };
const colsTxt = (p.colours || []).map(c => colNames[c] || c).join(' / ');
// Building tooltip — only name + height, no type header
if (p.layer === 'BUISGL') {
tooltip.innerHTML = `
${p.name || 'Edificio'}
${p.height_m ? `HEIGHT${p.height_m} m
` : ''}
`;
return;
}
tooltip.innerHTML = `
${src}
${p.name || p.layer}
${aidType ? `TYPE${aidType}
` : ''}
${colsTxt ? `COLOUR${colsTxt}
` : ''}
${p.light_desc ? `LIGHT${p.light_desc}
` : ''}
${p.range_nm ? `RANGE${p.range_nm} NM
` : ''}
${p.height_m ? `HEIGHT${p.height_m} m
` : ''}
${p.shape ? `SHAPE${p.shape}
` : ''}
${p.info ? `INFO${p.info}
` : ''}
AIS
no receiver
`;
}
});
// ── Click → panel info ─────────────────────────────────────────────────────
map.on('click', (evt) => {
const feature = map.forEachFeatureAtPixel(evt.pixel, f => f, { hitTolerance: 8 });
if (feature) showInfoPanel(feature.getProperties());
});
function showInfoPanel(p) {
const panel = document.getElementById('info-content');
if (p.featureType === 'vessel') {
panel.innerHTML = renderVesselInfo(p);
} else if (p.featureType === 'aid') {
renderAidInfo(p, panel);
} else if (p.layer) {
renderEncInfo(p, panel);
}
}
// ── Vessel info panel — full AIS data (Type 1/2/3 + 5 + 24) ───────────────
function renderVesselInfo(p) {
const lat = p.lat, lon = p.lon;
const latStr = lat != null ? `${Math.abs(lat).toFixed(5)}° ${lat >= 0 ? 'N' : 'S'}` : '--';
const lonStr = lon != null ? `${Math.abs(lon).toFixed(5)}° ${lon >= 0 ? 'E' : 'W'}` : '--';
const flagTxt = p.bandera ? `${p.bandera} ${flagEmoji(p.bandera)}` : '--';
const navStatus = p.nav_status_name || (p.nav_status != null ? `Status ${p.nav_status}` : '--');
const navColor = navStatusColor(p.nav_status);
const fixTxt = fixTypeName(p.fix_type);
return `
AIS VESSEL TARGET
${p.nombre || 'UNKNOWN'}
MMSI ${p.mmsi}${p.callsign ? ' — ' + p.callsign : ''}
POSITION
${latStr} ${lonStr}
SOG
${fmtNum(p.sog, 1)} kn
HDG
${fmtNum(p.heading, 0)}°
ROT
${p.rot != null ? fmtNum(p.rot, 1) + '°/min' : '--'}
STATIC DATA — AIS MSG 5
CALLSIGN
${p.callsign || '--'}
SHIP TYPE
${p.tipo_nombre || shipTypeName(p.tipo)}
LOA
${p.length ? p.length + ' m' : '--'}
BEAM
${p.beam ? p.beam + ' m' : '--'}
${p.to_bow != null ? `
TO STBD
${p.to_starboard} m
` : ''}
DRAUGHT
${p.draught != null ? p.draught + ' m' : '--'}
VOYAGE
DESTINATION
${p.destino || '--'}
LAST SIGNAL
${formatUTC(p.timestamp)}
S-57 ENC CHART
${p.name || p.layer}
${p.cell || ''} — ${p.layer}${p.cell_region ? ' — IALA-' + p.cell_region : ''}
${coord ? `
OFFICIAL POSITION (S-57)
${coord[1].toFixed(5)} ${coord[1] >= 0 ? 'N' : 'S'}
${Math.abs(coord[0]).toFixed(5)} ${coord[0] >= 0 ? 'E' : 'W'}
` : ''}
${aidType ? `` : ''}
${colsTxt ? `` : ''}
${p.light_desc ? `` : ''}
${p.range_nm ? `` : ''}
${p.shape ? `` : ''}
${p.info ? `` : ''}
AIS DATA
AIS receiver not connected. When an AIS AtoN message (Type 21) is received for this aid, MMSI / status / battery / position offset will appear here.
SOURCE
S-57 OFFICIAL CHART
CURRENT POSITION (AIS)
${p.lat_actual.toFixed(5)} N ${p.lon_actual.toFixed(5)} W
DISPLACEMENT — ${disp.toFixed(1)} m
` : '';
// Lamp section — assignment + computed battery thresholds
const lamps = window._lampCache || [];
const currentLamp = lamps.find(l => l.id === p.lamp_id);
const lampOptions = `
${lamps.map(l => ``).join('')}`;
const lampBlock = `
LAMP & BATTERY THRESHOLDS
${currentLamp ? `
V min
${currentLamp.voltage_min} V
V max
${currentLamp.voltage_max} V
WARN
${currentLamp.warn_v} V
ALARM
${currentLamp.alarm_v} V
` : `
⚠ No lamp configured — battery alerts use global defaults from Settings.
`}
`;
// Pull live ATON telemetry if available
const aton = window.atonData?.[p.mmsi] || {};
const hasAton = Object.keys(aton).length > 0;
const atonBlock = (p.tipo_ais === 'ATON_21' || hasAton) ? `
ATON TRANSPONDER
${p.caracteristica_luz ? `
LIGHT
${p.caracteristica_luz}
RANGE
${p.alcance_nm || '--'} NM
` : ''}
${hasAton ? `
` : 'Waiting for live telemetry…
'}
` : '';
panel.innerHTML = `
AID TO NAVIGATION
${p.nombre}
${p.tipo} — ${p.categoria}
${statusTxt}
NOMINAL POSITION (OFFICIAL)
${p.lat_nominal?.toFixed(5)} N ${p.lon_nominal?.toFixed(5)} W
${posActual}
SWING RADIUS
${p.radio_borneo_m || 0} m
${p.mmsi ? `` : ''}
${lampBlock}
PORT RESPONSIBLE
${p.puerto_responsable || '--'}
COMPANY
${p.empresa_responsable || '--'}
${p.observaciones ? `
OBSERVATIONS
${p.observaciones}
` : ''}
${atonBlock}
`;
document.getElementById('btn-edit-aid')?.addEventListener('click', () => {
if (window.Modal) window.Modal.openEdit(p);
});
}
window.toggleAtonField = function(field, show) {
const el = document.getElementById('af-' + field);
if (el) el.closest('label').style.display = show ? '' : 'none';
};
function shipTypeName(tipo) {
if (tipo >= 60 && tipo < 70) return 'PASSENGER';
if (tipo >= 70 && tipo < 80) return 'CARGO';
if (tipo >= 80 && tipo < 90) return 'TANKER';
if (tipo === 52 || tipo === 21) return 'TUG';
if (tipo === 30) return 'FISHING';
return `TYPE ${tipo}`;
}
function formatUTC(ts) {
if (!ts) return '--';
return new Date(ts).toUTCString().replace('GMT', 'UTC');
}
// ── Coordenadas en barra inferior ─────────────────────────────────────────
map.on('pointermove', (evt) => {
const coord = ol.proj.toLonLat(evt.coordinate);
const lat = coord[1].toFixed(4);
const lon = coord[0].toFixed(4);
document.getElementById('map-coords').textContent =
`LAT ${lat > 0 ? '+' : ''}${lat} LON ${lon > 0 ? '+' : ''}${lon}`;
});
// ── Áreas de operación ─────────────────────────────────────────────────────
const AREAS = {
barranquilla: {
label: 'Barranquilla / Bocas de Ceniza',
lat: 10.9878, lon: -74.8040,
zoom: 13,
// Cuando haya cartas S-57: celdas CO4D0B00, CO4D0C00
charts: ['CO4D0B00', 'CO4D0C00'],
},
cartagena: {
label: 'Cartagena',
lat: 10.4236, lon: -75.5478,
zoom: 13,
charts: ['CO4D0A00'],
},
santamarta: {
label: 'Santa Marta',
lat: 11.2408, lon: -74.2041,
zoom: 13,
charts: ['CO4D0D00'],
},
buenaventura: {
label: 'Buenaventura',
lat: 3.8800, lon: -77.0300,
zoom: 13,
charts: ['CO4P0A00'],
},
colombia: {
label: 'Colombia — Overview',
lat: 7.5000, lon: -76.0000,
zoom: 6,
charts: [],
},
miami: {
label: 'Miami (Test)',
lat: 25.7743, lon: -80.1937,
zoom: 11,
charts: ['US5FL12M'], // celda NOAA ENC Miami
},
};
function flyToArea(areaKey) {
const area = AREAS[areaKey];
if (!area) return;
map.getView().animate({
center: ol.proj.fromLonLat([area.lon, area.lat]),
zoom: area.zoom,
duration: 1200,
easing: ol.easing.easeOut,
});
// Mostrar en barra inferior qué área está activa
document.getElementById('map-coords').textContent =
`AREA: ${area.label.toUpperCase()} | LAT ${area.lat.toFixed(4)} LON ${area.lon.toFixed(4)}`;
// TODO: cuando haya cartas S-57, activar celdas: area.charts
console.info('Chart cells for this area:', area.charts);
}
window.flyToCoords = function(lon, lat, zoom) {
map.getView().animate({
center: ol.proj.fromLonLat([lon, lat]),
zoom: zoom,
duration: 1200,
easing: ol.easing.easeOut,
});
document.getElementById('map-coords').textContent =
`LAT ${lat.toFixed(4)} LON ${lon.toFixed(4)}`;
};
// ── NOAA nearby charts panel ───────────────────────────────────────────────
let _cnpDismissed = false;
document.querySelector('.cnp-close')?.addEventListener('click', (e) => {
e.stopPropagation();
_cnpDismissed = true;
document.getElementById('chart-nearby-panel').classList.add('hidden');
});
window._cnpClose = function() {
_cnpDismissed = true;
document.getElementById('chart-nearby-panel').classList.add('hidden');
};
let _chartQueryTimer = null;
map.getView().on('change', () => {
clearTimeout(_chartQueryTimer);
_chartQueryTimer = setTimeout(queryNearbyCharts, 1500);
});
async function queryNearbyCharts() {
const ext = ol.proj.transformExtent(map.getView().calculateExtent(), 'EPSG:3857', 'EPSG:4326');
const [west, south, east, north] = ext;
const panel = document.getElementById('chart-nearby-panel');
const body = document.getElementById('cnp-body');
try {
const r = await fetch(`/charts/noaa-nearby?west=${west}&south=${south}&east=${east}&north=${north}`);
const cells = await r.json();
if (!cells.length) {
// Not in NOAA coverage (e.g. Colombia) — suggest UKHO/DIMAR
body.innerHTML = `
No free NOAA charts for this area.
→ Buy UKHO / AVCS charts for this region
→ DIMAR — Colombia official charts
`;
if (!_cnpDismissed) panel.classList.remove('hidden');
return;
}
// Show up to 8 cells, prefer higher scale (more detail)
const top = cells.slice(0, 8);
body.innerHTML = top.map(c => `
${c.id}
${c.name || c.id}
1:${(c.scale||0).toLocaleString()}
${c.installed
? `INSTALLED`
: ``}
`).join('') +
`NOAA free ENCs · ${cells.length} cell(s) in view
`;
if (!_cnpDismissed) panel.classList.remove('hidden');
} catch(e) {
panel.classList.add('hidden');
}
}
// ── Language toggle ────────────────────────────────────────────────────────
const LANG = {
en: {
'nav.settings':'SETTINGS','nav.charts':'CHARTS','nav.reports':'REPORTS','nav.users':'USERS',
'dd.datasource':'Data Source / AIS','dd.station':'Station & Antenna','dd.alerts':'Alert Parameters',
'dd.installed':'Installed Charts','dd.install':'Install Chart Cell (.000)','dd.noaa':'Download NOAA Free Charts',
'dd.recordings':'Vessel Recordings (VDR)','dd.history':'AIS Track History','dd.export':'Export Data (CSV)',
'dd.manage':'Manage Users','dd.create':'Create User',
'tb.port':'PORT','tb.port.ph':'Search worldwide port...',
'tb.display':'DISPLAY',
'tb.all':'ALL','tb.vessels':'VESSELS','tb.aids':'AIDS','tb.alerts':'ALERTS',
'tb.layer':'LAYER','tb.world':'WORLD','tb.seamark':'SEAMARK',
'tb.land':'LAND','tb.bathy':'BATHY','tb.hazards':'HAZARDS','tb.zones':'ZONES',
'tb.night':'NIGHT','tb.day':'DAY',
'stat.vessels':'VESSELS','stat.aids':'AIDS','stat.link':'LINK',
'sector.info':'OBJECT INFO','sector.events':'EVENTS & ALERTS',
'no.sel':'SELECT OBJECT ON CHART',
'btn.edit':'EDIT AID DATA','btn.track':'TRACK & PROJECT HEADING',
},
es: {
'nav.settings':'AJUSTES','nav.charts':'CARTAS','nav.reports':'REPORTES','nav.users':'USUARIOS',
'dd.datasource':'Fuente de datos / AIS','dd.station':'Estación y Antena','dd.alerts':'Parámetros de Alerta',
'dd.installed':'Cartas instaladas','dd.install':'Instalar celda (.000)','dd.noaa':'Descargar cartas NOAA',
'dd.recordings':'Registros de buques (VDR)','dd.history':'Historial AIS','dd.export':'Exportar datos (CSV)',
'dd.manage':'Gestionar usuarios','dd.create':'Crear usuario',
'tb.port':'PUERTO','tb.port.ph':'Buscar puerto mundial...',
'tb.display':'MOSTRAR',
'tb.all':'TODO','tb.vessels':'BUQUES','tb.aids':'AYUDAS','tb.alerts':'ALERTAS',
'tb.layer':'CAPA','tb.world':'MUNDO','tb.seamark':'BOYAS',
'tb.land':'TIERRA','tb.bathy':'BATI','tb.hazards':'PELIGROS','tb.zones':'ZONAS',
'tb.night':'NOCHE','tb.day':'DÍA',
'stat.vessels':'BUQUES','stat.aids':'AYUDAS','stat.link':'ENLACE',
'sector.info':'INFO OBJETO','sector.events':'EVENTOS Y ALARMAS',
'no.sel':'SELECCIONE UN OBJETO EN LA CARTA',
'btn.edit':'EDITAR AYUDA','btn.track':'RASTREAR Y PROYECTAR RUMBO',
},
};
let currentLang = localStorage.getItem('ams_lang') || 'en';
function applyLang(lang) {
currentLang = lang;
localStorage.setItem('ams_lang', lang);
const t = LANG[lang];
document.querySelectorAll('[data-i18n]').forEach(el => {
const key = el.dataset.i18n;
if (t[key]) el.textContent = t[key];
});
document.querySelectorAll('[data-i18n-placeholder]').forEach(el => {
const key = el.dataset.i18nPlaceholder;
if (t[key]) el.placeholder = t[key];
});
const btn = document.getElementById('toggle-lang');
if (btn) { btn.textContent = lang === 'en' ? 'ES' : 'EN'; }
window._currentLang = lang;
}
document.getElementById('toggle-lang')?.addEventListener('click', () => {
applyLang(currentLang === 'en' ? 'es' : 'en');
});
// Apply saved lang on load
applyLang(currentLang);
// ── Toggle SeaMap ──────────────────────────────────────────────────────────
document.getElementById('toggle-seamap').addEventListener('click', (e) => {
const visible = seaMapLayer.getVisible();
seaMapLayer.setVisible(!visible);
e.target.classList.toggle('active', !visible);
// After OL processes the visibility change, recompute ENC cell hiding so
// the toggle can't leave ENC sources in a stale state (Miami disappear bug).
requestAnimationFrame(() => {
_recomputeHiddenCells();
[encSource, depthSource, landSource, zoneSource, hazardSource, soundSource]
.forEach(src => src.changed());
});
});
// ── Toggle ENC chart aids ───────────────────────────────────────────────────
document.getElementById('toggle-enc').addEventListener('click', (e) => {
const visible = encLayer.getVisible();
encLayer.setVisible(!visible);
e.target.classList.toggle('active', !visible);
});
// ── Toggle depths (DEPARE + DEPCNT + SOUNDG + LANDMASK) ─────────────────────
document.getElementById('toggle-depths')?.addEventListener('click', (e) => {
const willShow = !depthLayer.getVisible();
depthLayer.setVisible(willShow);
soundLayer.setVisible(willShow); // sondas viajan junto a la batimetría
e.target.classList.toggle('active', willShow);
if (willShow) {
_lastDepthBbox = null;
window.loadChartDepths();
}
});
// ── Toggle land / terrain (LNDARE, BUAARE, COALNE, structures) ───────────────
document.getElementById('toggle-land')?.addEventListener('click', (e) => {
const willShow = !landLayer.getVisible();
landLayer.setVisible(willShow);
e.target.classList.toggle('active', willShow);
});
// ── Toggle hazards (WRECKS, OBSTRN, UWTROC) ──────────────────────────────────
document.getElementById('toggle-hazards')?.addEventListener('click', (e) => {
const willShow = !hazardLayer.getVisible();
hazardLayer.setVisible(willShow);
e.target.classList.toggle('active', willShow);
});
// ── Toggle zones (RESARE, CTNARE, ACHARE, TSSLPT, FAIRWY…) ──────────────────
document.getElementById('toggle-zones')?.addEventListener('click', (e) => {
const willShow = !zoneLayer.getVisible();
zoneLayer.setVisible(willShow);
e.target.classList.toggle('active', willShow);
});
// Reload depths whenever the user pans/zooms. The check inside loadChartDepths
// short-circuits if the layer is hidden or the new viewport is already cached.
map.on('moveend', _scheduleDepthReload);
// Recompute which cells are dominated by a higher-band cell on every move.
map.on('moveend', () => {
_recomputeHiddenCells();
[encSource, depthSource, landSource, zoneSource, hazardSource]
.forEach(src => src.changed());
});
// First load: fire once the map has rendered its initial frame (viewport known)
map.once('rendercomplete', () => { _lastDepthBbox = null; window.loadChartDepths(); });
_loadChartCells();
// ── Toggle CHART mode — hides OSM/ocean tiles and renders the LANDMASK
// polygon from the S-57 cells in paper-buff so the chart becomes the
// sole basemap. Auto-enables DEPTHS because CHART mode without depth
// fills shows nothing in the water. ──
document.getElementById('toggle-chart')?.addEventListener('click', (e) => {
_chartModeActive = !_chartModeActive;
e.target.classList.toggle('active', _chartModeActive);
osmLayer.setVisible(!_chartModeActive);
oceanRefLayer.setVisible(!_chartModeActive);
if (_chartModeActive && !depthLayer.getVisible()) {
document.getElementById('toggle-depths').click();
}
depthLayer.changed(); // force restyle so LANDMASK appears/disappears
});
// ── Toggle WORLD raster — hide/show OSM basemap independently of CHART mode.
document.getElementById('toggle-world')?.addEventListener('click', (e) => {
const visible = !osmLayer.getVisible();
osmLayer.setVisible(visible);
e.target.classList.toggle('active', visible);
});
// ── Toggle Night Mode (dim tiles, keep aid/vessel layers at full brightness) ─
function applyNightMode(night) {
osmLayer.setOpacity(night ? 0.45 : 1.0);
oceanRefLayer.setOpacity(night ? 0.35 : 0.9);
seaMapLayer.setOpacity(night ? 0.55 : 1.0);
}
document.getElementById('toggle-night').addEventListener('click', (e) => {
const night = document.documentElement.classList.toggle('night');
e.target.classList.toggle('active', night);
const t = LANG[currentLang] || LANG.en;
e.target.textContent = night ? (t['tb.day'] || 'DAY') : (t['tb.night'] || 'NIGHT');
e.target.dataset.i18n = night ? 'tb.day' : 'tb.night';
applyNightMode(night);
localStorage.setItem('ams_night', night ? '1' : '');
});
if (localStorage.getItem('ams_night')) {
document.documentElement.classList.add('night');
document.getElementById('toggle-night').classList.add('active');
document.getElementById('toggle-night').textContent = 'DAY';
applyNightMode(true);
}
// ── SDR / AIS-catcher control ─────────────────────────────────────────────
const _sdrBtn = document.getElementById('btn-sdr');
let _sdrRunning = false;
async function _sdrRefreshStatus() {
try {
const r = await fetch('/ais/status');
const s = await r.json();
_sdrRunning = s.running;
if (_sdrBtn) {
_sdrBtn.classList.toggle('active', _sdrRunning);
_sdrBtn.title = _sdrRunning
? `AIS-catcher running (PID ${s.pid ?? '?'}) — ${s.sdr_devices?.length ?? 0} SDR device(s)`
: `Launch AIS-catcher — ${s.sdr_devices?.length ?? 0} RTL-SDR device(s) found`;
if (!s.exe_found) _sdrBtn.title = 'AIS-catcher.exe not found';
}
} catch (e) { /* backend not ready */ }
}
_sdrRefreshStatus();
_sdrBtn?.addEventListener('click', async () => {
// Always POST /ais/launch — the backend handles "already running" by syncing
// the source to SDR + restarting the UDP listener, which is exactly the
// recovery action a user wants when the button "looks active but no data".
_sdrBtn.disabled = true;
_sdrBtn.textContent = '...';
try {
const r = await fetch('/ais/launch', { method: 'POST' });
const d = await r.json();
if (d.ok) {
_sdrRunning = true;
_sdrBtn.classList.add('active');
_sdrBtn.title = `AIS-catcher running (PID ${d.pid ?? '?'})`;
} else {
alert(`AIS-catcher launch failed:\n${d.error || JSON.stringify(d)}`);
}
} catch (e) {
alert(`SDR launch error: ${e}`);
} finally {
_sdrBtn.disabled = false;
_sdrBtn.textContent = 'SDR';
}
});
// ── Historial y proyección de barcos ──────────────────────────────────────
const vesselHistory = new Map(); // mmsi → [{lat,lon,ts}]
const trackSource = new ol.source.Vector();
const trackLayer = new ol.layer.Vector({ source: trackSource, zIndex: 5 });
map.addLayer(trackLayer);
// ── Indicadores de warning/alarma sobre ayudas ────────────────────────────
const warnSource = new ol.source.Vector();
const warnLayer = new ol.layer.Vector({ source: warnSource, zIndex: 25 });
map.addLayer(warnLayer);
function warnStyle(level, visible) {
if (!visible) return null;
const isAlarm = level === 'alarm';
const color = isAlarm ? '#e53935' : '#f59e0b';
const stroke = isAlarm ? '#ff6b6b' : '#fcd34d';
// Two styles: triangle offset + "!" text at same offset
return [
new ol.style.Style({
image: new ol.style.RegularShape({
points: 3, radius: 14,
displacement: [22, 22],
fill: new ol.style.Fill({ color }),
stroke: new ol.style.Stroke({ color: stroke, width: 1.5 }),
}),
}),
new ol.style.Style({
text: new ol.style.Text({
text: '!',
font: 'bold 11px Inter,sans-serif',
fill: new ol.style.Fill({ color: '#fff' }),
offsetX: 22, offsetY: -22,
}),
}),
];
}
// Blink loop — alterna entre estilo visible y estilo vacío (invisible)
const STYLE_INVISIBLE = new ol.style.Style({});
let blinkOn = true;
setInterval(() => {
blinkOn = !blinkOn;
warnSource.getFeatures().forEach(f =>
f.setStyle(blinkOn ? warnStyle(f.get('level'), true) : STYLE_INVISIBLE)
);
}, 600);
function setAidWarning(aidFeature, level) {
const aidId = aidFeature.getId();
// Quitar indicador previo de esta ayuda si existe
const existing = warnSource.getFeatureById('w_' + aidId);
if (existing) warnSource.removeFeature(existing);
if (!level) return;
const geom = aidFeature.getGeometry().clone();
// Desplazar el triángulo 18px arriba (en coordenadas mapa no es trivial, se superpone)
const f = new ol.Feature({ geometry: geom, level });
f.setId('w_' + aidId);
f.setStyle(warnStyle(level, true));
warnSource.addFeature(f);
}
function clearAllWarnings() { warnSource.clear(); }
window.setAidWarning = setAidWarning;
window.clearAllWarnings = clearAllWarnings;
// ── Posición propia (GPS) ──────────────────────────────────────────────────
const ownShipSource = new ol.source.Vector();
map.addLayer(new ol.layer.Vector({
source: ownShipSource,
zIndex: 30,
style: new ol.style.Style({
image: new ol.style.RegularShape({
points: 4, radius: 10, radius2: 0, angle: Math.PI / 4,
fill: new ol.style.Fill({ color: 'rgba(30,136,229,0.9)' }),
stroke: new ol.style.Stroke({ color: '#fff', width: 1.5 }),
}),
text: new ol.style.Text({
text: 'MY POSITION',
offsetY: -18,
font: '500 9px Inter,sans-serif',
fill: new ol.style.Fill({ color: '#90caf9' }),
stroke: new ol.style.Stroke({ color: '#030810', width: 3 }),
}),
}),
}));
window.updateOwnShip = function(fix) {
ownShipSource.clear();
const f = new ol.Feature({
geometry: new ol.geom.Point(ol.proj.fromLonLat([fix.lon, fix.lat])),
});
ownShipSource.addFeature(f);
};
function recordPosition(mmsi, lat, lon) {
if (!vesselHistory.has(mmsi)) vesselHistory.set(mmsi, []);
const hist = vesselHistory.get(mmsi);
const now = Date.now();
// Guardar solo si pasaron ≥30 s desde la última
if (!hist.length || now - hist[hist.length - 1].ts >= 30000)
hist.push({ lat, lon, ts: now });
if (hist.length > 40) hist.shift();
}
function projectPath(lat, lon, sogKn, cogDeg, minutes = 20) {
const sogMs = sogKn * 0.5144;
const cogRad = (cogDeg * Math.PI) / 180;
const pts = [[lon, lat]];
for (let t = 1; t <= minutes; t++) {
const d = sogMs * t * 60;
const dLat = (d * Math.cos(cogRad)) / 111320;
const dLon = (d * Math.sin(cogRad)) / (111320 * Math.cos(lat * Math.PI / 180));
pts.push([lon + dLon, lat + dLat]);
}
return pts;
}
function haversineM(lat1, lon1, lat2, lon2) {
const R = 6371000, r = Math.PI / 180;
const dLat = (lat2 - lat1) * r, dLon = (lon2 - lon1) * r;
const a = Math.sin(dLat/2)**2 + Math.cos(lat1*r)*Math.cos(lat2*r)*Math.sin(dLon/2)**2;
return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
}
let activeTrackMmsi = null;
window.toggleTrack = function(mmsi, lat, lon, sog, cog) {
// Limpiar track anterior
trackSource.clear();
if (activeTrackMmsi === mmsi) { activeTrackMmsi = null; clearAllWarnings(); return; }
activeTrackMmsi = mmsi;
const hist = vesselHistory.get(mmsi) || [];
// Track histórico
if (hist.length >= 2) {
const histCoords = hist.map(p => ol.proj.fromLonLat([p.lon, p.lat]));
trackSource.addFeature(new ol.Feature({
geometry: new ol.geom.LineString(histCoords),
kind: 'history',
}));
}
// Proyección de rumbo (20 min)
if (sog > 0.3) {
const proj = projectPath(lat, lon, sog, cog, 20);
const projCoords = proj.map(p => ol.proj.fromLonLat(p));
trackSource.addFeature(new ol.Feature({
geometry: new ol.geom.LineString(projCoords),
kind: 'projection',
}));
// Detectar colisiones con ayudas y marcarlas en el mapa
clearAllWarnings();
const warnings = [];
aidsSource.getFeatures().forEach(aid => {
const ac = ol.proj.toLonLat(aid.getGeometry().getCoordinates());
const borneo = aid.get('radio_borneo_m') || 30;
let closest = Infinity, closestEta = 0;
proj.forEach((pt, i) => {
const d = haversineM(pt[1], pt[0], ac[1], ac[0]);
if (d < closest) { closest = d; closestEta = i; }
});
const level = closest < borneo + 50 ? 'alarm'
: closest < borneo + 200 ? 'warning'
: null;
if (level) {
setAidWarning(aid, level);
warnings.push({ nombre: aid.get('nombre'), eta: closestEta, dist: Math.round(closest), level });
}
});
// Actualizar panel con warnings
const warnEl = document.getElementById('track-warnings');
if (warnEl) {
if (warnings.length) {
warnEl.innerHTML = warnings.map(w =>
`${w.level === 'alarm' ? '🔴' : '🟡'} ${w.nombre} — ETA ~${w.eta} min (${w.dist} m)
`
).join('');
warnEl.style.display = 'block';
} else {
warnEl.innerHTML = 'No aids in projected path.
';
warnEl.style.display = 'block';
}
}
}
};
trackLayer.setStyle((feature) => {
const kind = feature.get('kind');
if (kind === 'history') return new ol.style.Style({
stroke: new ol.style.Stroke({ color: '#06b6d4', width: 1.5, lineDash: [5, 4] }),
});
if (kind === 'projection') return new ol.style.Style({
stroke: new ol.style.Stroke({ color: '#f59e0b', width: 1.5, lineDash: [8, 5] }),
});
});
// ── Filtros ────────────────────────────────────────────────────────────────
document.querySelectorAll('.tb-btn[data-filter]').forEach(btn => {
btn.addEventListener('click', () => {
document.querySelectorAll('.tb-btn[data-filter]').forEach(b => b.classList.remove('active'));
btn.classList.add('active');
const f = btn.dataset.filter;
vesselsLayer.setVisible(f === 'all' || f === 'vessels');
aidsLayer.setVisible(f === 'all' || f === 'aids');
});
});
// ── Reloj UTC ──────────────────────────────────────────────────────────────
setInterval(() => {
document.getElementById('clock').textContent =
new Date().toUTCString().slice(17, 25);
}, 1000);
// ── Divisor arrastrable ────────────────────────────────────────────────────
(function() {
const divider = document.getElementById('panel-divider');
const infoSector = document.getElementById('info-sector');
const evSector = document.getElementById('events-sector');
let dragging = false, startY = 0, startInfo = 0, startEv = 0;
divider.addEventListener('mousedown', (e) => {
dragging = true;
startY = e.clientY;
startInfo = infoSector.getBoundingClientRect().height;
startEv = evSector.getBoundingClientRect().height;
divider.classList.add('dragging');
document.body.style.cursor = 'ns-resize';
document.body.style.userSelect = 'none';
});
document.addEventListener('mousemove', (e) => {
if (!dragging) return;
const dy = e.clientY - startY;
const newInfo = Math.max(80, startInfo + dy);
const newEv = Math.max(80, startEv - dy);
infoSector.style.flex = `0 0 ${newInfo}px`;
evSector.style.flex = `0 0 ${newEv}px`;
});
document.addEventListener('mouseup', () => {
if (!dragging) return;
dragging = false;
divider.classList.remove('dragging');
document.body.style.cursor = '';
document.body.style.userSelect = '';
});
})();
// Exponer aidsSource globalmente para el formulario
window.aidsSource = aidsSource;