AvianVisitors: BirdNET-Pi collage frontend overlay
Adds avian/ on top of upstream BirdNET-Pi: - frontend/ static collage UI (mask-packed bird tiles, sized by detection count) - assets/ ~450 bundled kachō-e illustrations + cutouts + binary masks - api/ PHP shims for recent/lifelist/firstseen/timeseries JSON - scripts/ installer + Gemini pregen + editable prompt template - caddy/ snippet mounting /collage on existing Caddy - forwarding/ optional HA / MQTT / Cloudflare configs Default install: http://birdnet.local/collage/ with no auth. Upstream BirdNET-Pi README preserved at README.upstream.md.
This commit is contained in:
Twarner491
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/* AvianVisitors — bird collage frontend.
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*
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* Renders three views over BirdNET-Pi detections:
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* collage — mask-packed cluster of species illustrations, sized by
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* count. Layout normalises so all birds always fit on
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* every viewport.
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* stats — per-species histogram across the selected time window.
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* atlas — alphabet of all detected species with detail modal.
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*
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* Reads four JSON endpoints exposed by the Pi (PHP shims in ../api/):
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* GET /api/recent.json?hours=N — species + counts in window
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* GET /api/lifelist.json — all species ever detected
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* GET /api/firstseen.json — earliest detection per species
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* GET /api/timeseries.json?days=D — daily counts per species
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*
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* Plus two media proxies (also via PHP):
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* GET /api/img?sci=X[&com=Y] — bird illustration
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* GET /api/recording?sci=X — most-recent mp3
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* GET /api/spectrogram?sci=X — matching spectrogram png
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*
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* Local-network deploys ship without auth. The PHP shims accept the
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* X-AvianVisitors-Token header for the optional Cloudflare-forwarded
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* deployment — see ../forwarding/.
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*/
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(function () {
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'use strict';
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// ---- Config ----
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// API_BASE: where the JSON endpoints live. Default '/' works when
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// Caddy mounts the frontend at the same host as the API. Override
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// with window.AV_API_BASE if you split origins.
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var API_BASE = (window.AV_API_BASE || '').replace(/\/$/, '');
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var IMG_VERSION = '1'; // bump after running scripts/pregen.py
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function api(p) { return API_BASE + p; }
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function readLS(k, d) { try { return localStorage.getItem(k) || d; } catch (e) { return d; } }
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function writeLS(k, v) { try { localStorage.setItem(k, v); } catch (e) {} }
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function fetchJson(u) { return fetch(u, { cache: 'no-store' }).then(function (r) { return r.json(); }); }
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// ---- State ----
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var DATA = {
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recent: null, // /api/recent.json?hours=N (refetched on picker change)
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lifelist: null, // /api/lifelist.json
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firstseen: null, // /api/firstseen.json
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timeseries: null, // /api/timeseries.json
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};
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var MASKS = null, DIMS = null;
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var currentHours = +readLS('av:window', '24') || 24;
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// ---- Boot: load mask/dim registries, then first data pull ----
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Promise.all([
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fetchJson(api('/avian/masks.json')).then(function (j) { MASKS = j; }),
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fetchJson(api('/avian/dims.json')).then(function (j) { DIMS = j; }),
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]).then(function () {
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bindUI();
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refreshAll();
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setInterval(refreshRecent, 60000); // poll for new detections every min
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}).catch(function (e) { console.error('boot failed', e); });
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// ---- UI bindings ----
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var slider = document.getElementById('slider');
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var winPick = document.getElementById('winPick');
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var views = document.querySelectorAll('.view');
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function syncPill(container) {
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var pill = container.querySelector('.seg-pill');
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var active = container.querySelector('button[aria-current="true"]');
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if (!pill || !active) return;
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pill.style.width = active.offsetWidth + 'px';
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pill.style.transform = 'translateX(' + active.offsetLeft + 'px)';
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}
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function syncAllPills() {
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[slider, winPick, document.getElementById('atlasSort')].forEach(function (c) { if (c) syncPill(c); });
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}
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function bindUI() {
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// View slider
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[].slice.call(slider.querySelectorAll('button')).forEach(function (b) {
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b.addEventListener('click', function () {
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[].slice.call(slider.querySelectorAll('button')).forEach(function (x) {
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x.setAttribute('aria-current', x === b ? 'true' : 'false');
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});
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var i = +b.dataset.i;
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views.forEach(function (v) { v.hidden = +v.dataset.view !== i; });
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syncPill(slider);
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if (i === 0) renderCollageFromData();
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if (i === 1) drawHistograms();
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if (i === 2) renderAtlas();
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});
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});
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// Window picker
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[].slice.call(winPick.querySelectorAll('button')).forEach(function (b) {
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b.setAttribute('aria-current', (+b.dataset.h === currentHours) ? 'true' : 'false');
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b.addEventListener('click', function () {
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[].slice.call(winPick.querySelectorAll('button')).forEach(function (x) {
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x.setAttribute('aria-current', x === b ? 'true' : 'false');
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});
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currentHours = +b.dataset.h;
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writeLS('av:window', String(currentHours));
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syncPill(winPick);
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refreshRecent();
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});
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});
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// Atlas sort
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var atlasEl = document.getElementById('atlasSort');
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[].slice.call(atlasEl.querySelectorAll('button')).forEach(function (b) {
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b.addEventListener('click', function () {
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[].slice.call(atlasEl.querySelectorAll('button')).forEach(function (x) {
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x.setAttribute('aria-current', x === b ? 'true' : 'false');
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});
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writeLS('av:atlasSort', b.dataset.sort);
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syncPill(atlasEl);
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renderAtlas();
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});
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});
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// About modal
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document.getElementById('aboutLink').addEventListener('click', function () {
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document.getElementById('about-modal').setAttribute('aria-hidden', 'false');
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});
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document.querySelectorAll('[data-close]').forEach(function (el) {
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el.addEventListener('click', function () {
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document.getElementById('about-modal').setAttribute('aria-hidden', 'true');
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});
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});
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// Resize: re-pack collage and re-pill
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var rT;
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window.addEventListener('resize', function () {
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clearTimeout(rT);
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rT = setTimeout(function () {
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syncAllPills();
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renderCollageFromData();
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drawHistograms();
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}, 120);
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});
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setTimeout(syncAllPills, 60);
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}
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// ---- Data fetch ----
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function refreshAll() {
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var h = currentHours;
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return Promise.all([
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fetchJson(api('/api/lifelist.json')).catch(function () { return null; }),
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fetchJson(api('/api/firstseen.json')).catch(function () { return null; }),
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fetchJson(api('/api/timeseries.json?days=30')).catch(function () { return null; }),
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fetchJson(api('/api/recent.json?hours=' + h)).catch(function () { return null; }),
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]).then(function (parts) {
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DATA.lifelist = parts[0];
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DATA.firstseen = parts[1];
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DATA.timeseries = parts[2];
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if (parts[3] && h === currentHours) DATA.recent = parts[3];
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renderCollageFromData();
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drawHistograms();
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});
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}
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function refreshRecent() {
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var h = currentHours;
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return fetchJson(api('/api/recent.json?hours=' + h)).then(function (j) {
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if (h !== currentHours) return;
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DATA.recent = j;
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renderCollageFromData();
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drawHistograms();
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}).catch(function () {});
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}
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// ---- Mask + slug helpers ----
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var maskCache = {};
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function loadMask(slug) {
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if (maskCache[slug]) return maskCache[slug];
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var rec = MASKS[slug];
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if (!rec) return null;
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var bytes = atob(rec.bits);
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var w = rec.w, h = rec.h;
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var cells = [];
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for (var y = 0; y < h; y++) {
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for (var x = 0; x < w; x++) {
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var i = y * w + x;
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var b = bytes.charCodeAt(i >> 3);
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if ((b >> (7 - (i & 7))) & 1) cells.push([x, y]);
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}
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}
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return (maskCache[slug] = { w: w, h: h, cells: cells });
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}
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function slugify(sci) {
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return sci.toLowerCase().replace(/[^a-z0-9]+/g, '-').replace(/^-|-$/g, '');
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}
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function aspect(sci) {
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var d = DIMS[slugify(sci)];
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return d ? d[0] / d[1] : 1.4;
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}
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// ---- Collage layout (mask-aware, viewport-budget) ----
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//
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// Each species ships a low-res alpha mask. We maintain an occupancy
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// grid at viewport resolution; for each tile we spiral outward from
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// the cluster center and pick the closest non-overlapping placement.
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// Total area is normalised so the entire cluster fits any viewport,
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// and we iterate shrink+repack until every bird lands on-screen.
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function tuning(n) {
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return {
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packingBudgetFrac: n <= 4 ? 0.46 : n <= 12 ? 0.40 : n <= 24 ? 0.34 : 0.28,
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countExp: 0.65,
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minTileAreaFrac: n <= 8 ? 0.0100 : n <= 20 ? 0.0075 : 0.0055,
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ellipseAspectBias: 2.1,
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};
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}
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var GRID_STRIDE = 4;
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function maskPack(tiles, W, H, ellipseBias) {
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var GW = Math.ceil(W / GRID_STRIDE) + 2;
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var GH = Math.ceil(H / GRID_STRIDE) + 2;
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var grid = new Uint8Array(GW * GH);
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function cellRange(t, tx, ty, c) {
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var sx = t.fullW / t.mask.w, sy = t.fullH / t.mask.h;
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var x0 = (tx + c[0] * sx) / GRID_STRIDE | 0;
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var y0 = (ty + c[1] * sy) / GRID_STRIDE | 0;
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var x1 = (tx + (c[0] + 1) * sx) / GRID_STRIDE | 0;
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var y1 = (ty + (c[1] + 1) * sy) / GRID_STRIDE | 0;
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if (x0 < 0) x0 = 0; if (y0 < 0) y0 = 0;
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if (x1 >= GW) x1 = GW - 1; if (y1 >= GH) y1 = GH - 1;
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return [x0, y0, x1, y1];
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}
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function collides(t, tx, ty) {
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var cs = t.mask.cells;
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for (var i = 0; i < cs.length; i++) {
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var r = cellRange(t, tx, ty, cs[i]);
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for (var gy = r[1]; gy <= r[3]; gy++) {
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var off = gy * GW;
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for (var gx = r[0]; gx <= r[2]; gx++) if (grid[off + gx]) return true;
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}
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}
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return false;
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}
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function stamp(t, tx, ty) {
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var cs = t.mask.cells;
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for (var i = 0; i < cs.length; i++) {
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var r = cellRange(t, tx, ty, cs[i]);
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for (var gy = r[1]; gy <= r[3]; gy++) {
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var off = gy * GW;
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for (var gx = r[0]; gx <= r[2]; gx++) grid[off + gx] = 1;
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}
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}
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}
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var rand = mulberry32(0x9E3779B1);
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var placed = [];
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var comX = W / 2, comY = H / 2;
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tiles.sort(function (a, b) { return (b.fullW * b.fullH) - (a.fullW * a.fullH); });
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for (var ti = 0; ti < tiles.length; ti++) {
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var t = tiles[ti];
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var bestCost = Infinity, best = null;
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var rings = Math.max(W, H);
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for (var r = 0; r < rings; r += GRID_STRIDE * 2) {
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var step = Math.max(1, r * 0.05);
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var samples = r === 0 ? 1 : Math.max(8, Math.floor(r * 0.6));
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for (var s = 0; s < samples; s++) {
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var ang = (s / samples) * Math.PI * 2;
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var px = comX + Math.cos(ang) * r * ellipseBias - t.fullW / 2;
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var py = comY + Math.sin(ang) * r - t.fullH / 2;
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if (collides(t, px, py)) continue;
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var dxx = (px + t.fullW / 2 - comX);
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var dyy = (py + t.fullH / 2 - comY);
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var cost = Math.hypot(dxx / ellipseBias, dyy) + rand() * step * 0.5;
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if (cost < bestCost) { bestCost = cost; best = { x: px, y: py }; }
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}
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if (best && r > 0) break;
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}
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if (best) { t.x = best.x; t.y = best.y; stamp(t, best.x, best.y); placed.push(t); }
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else { t.x = -99999; t.y = -99999; placed.push(t); }
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}
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return placed;
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}
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function mulberry32(a) {
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return function () {
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var t = a += 0x6D2B79F5;
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t = Math.imul(t ^ (t >>> 15), t | 1);
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t ^= t + Math.imul(t ^ (t >>> 7), t | 61);
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return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
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};
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}
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function renderCollageFromData() {
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var items = (DATA.recent && DATA.recent.species) || [];
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renderCollage(items);
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}
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function renderCollage(items) {
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var collage = document.getElementById('collage');
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collage.innerHTML = '';
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if (!items.length) {
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collage.innerHTML = '<p class="empty">no birds heard in this window.</p>';
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return;
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}
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var W = collage.clientWidth, H = collage.clientHeight;
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if (!W || !H) { setTimeout(function () { renderCollage(items); }, 80); return; }
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var T = tuning(items.length);
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var vpArea = W * H;
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var budget = vpArea * T.packingBudgetFrac;
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var minArea = vpArea * T.minTileAreaFrac;
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var tiles = items.map(function (s) {
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var slug = slugify(s.sci);
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var mask = loadMask(slug);
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if (!mask) return null;
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var n = +s.n; if (!n || isNaN(n)) n = 1;
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return { mask: mask, data: s, ar: aspect(s.sci), score: Math.pow(Math.max(1, n), T.countExp) };
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}).filter(Boolean);
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var sumScore = tiles.reduce(function (a, t) { return a + t.score; }, 0) || 1;
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tiles.forEach(function (t) { t.area = Math.max(minArea, budget * t.score / sumScore); });
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var sumA = tiles.reduce(function (a, t) { return a + t.area; }, 0);
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if (sumA > budget) {
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var fixedSum = tiles.filter(function (t) { return t.area <= minArea + 1e-9; })
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.reduce(function (a, t) { return a + t.area; }, 0);
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var flexSum = sumA - fixedSum;
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var flexBudget = Math.max(0, budget - fixedSum);
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var shrink = flexSum > 0 ? Math.min(1, flexBudget / flexSum) : 1;
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tiles.forEach(function (t) { if (t.area > minArea + 1e-9) t.area *= shrink; });
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}
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tiles.forEach(function (t) {
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t.fullW = Math.sqrt(t.area * t.ar);
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t.fullH = t.fullW / t.ar;
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});
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var placed = maskPack(tiles, W, H, T.ellipseAspectBias);
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function bounds(a) {
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var L = Infinity, R = -Infinity, T2 = Infinity, B = -Infinity;
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a.forEach(function (t) {
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if (t.x < -1000) return;
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if (t.x < L) L = t.x;
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if (t.x + t.fullW > R) R = t.x + t.fullW;
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if (t.y < T2) T2 = t.y;
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if (t.y + t.fullH > B) B = t.y + t.fullH;
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});
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return { L: L, R: R, T: T2, B: B };
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}
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var b = bounds(placed);
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for (var it = 0; it < 10; it++) {
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var miss = placed.some(function (t) { return t.x < -1000; });
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var over = b.L < 0 || b.T < 0 || b.R > W || b.B > H;
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if (!miss && !over) break;
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var scale = 0.93;
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if (over) {
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var clW = b.R - b.L, clH = b.B - b.T;
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var sx = (W * 0.96) / Math.max(clW, W * 0.96);
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var sy = (H * 0.94) / Math.max(clH, H * 0.94);
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scale = Math.min(scale, sx, sy);
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}
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tiles.forEach(function (t) { t.fullW *= scale; t.fullH *= scale; });
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placed = maskPack(tiles, W, H, T.ellipseAspectBias);
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b = bounds(placed);
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}
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var dx = W / 2 - (b.L + b.R) / 2, dy = H / 2 - (b.T + b.B) / 2;
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if (Math.abs(dx) > 1 || Math.abs(dy) > 1) {
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placed.forEach(function (t) { if (t.x > -1000) { t.x += dx; t.y += dy; } });
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}
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placed.forEach(function (t) {
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var s = t.data;
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var img = api('/api/img?sci=' + encodeURIComponent(s.sci) +
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(s.com ? '&com=' + encodeURIComponent(s.com) : '') +
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'&v=' + IMG_VERSION);
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var btn = document.createElement('button');
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btn.className = 'gtile';
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btn.type = 'button';
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btn.setAttribute('data-sci', s.sci);
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btn.setAttribute('aria-label', s.com || s.sci);
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btn.title = (s.com || s.sci) + ' · ' + (+s.n || 0) + ' calls';
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btn.style.left = t.x + 'px';
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btn.style.top = t.y + 'px';
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btn.style.width = t.fullW + 'px';
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btn.style.height = t.fullH + 'px';
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btn.innerHTML = '<img loading="lazy" decoding="async" src="' + img + '" alt="' + (s.com || s.sci) + '">';
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btn.addEventListener('click', function () { openDetail(s); });
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collage.appendChild(btn);
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});
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}
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// ---- Stats: per-species histogram with last-seen positioning ----
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function drawHistograms() {
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var tl = document.getElementById('statsTimeline');
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if (!tl) return;
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var sp = ((DATA.recent && DATA.recent.species) || []).slice();
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if (!sp.length) { tl.innerHTML = '<div class="stats-tl-empty">no detections in this window</div>'; return; }
|
||||
var now = Date.now();
|
||||
var windowStart = currentHours >= 1000000 ? now - 90 * 24 * 3600000 : now - currentHours * 3600000;
|
||||
var windowSpan = Math.max(1, now - windowStart);
|
||||
sp.sort(function (a, b) { return (+b.n || 0) - (+a.n || 0); });
|
||||
var W = tl.clientWidth || window.innerWidth;
|
||||
var cap = Math.max(4, Math.floor(W / 28));
|
||||
if (sp.length > cap) sp = sp.slice(0, cap);
|
||||
var maxN = sp.reduce(function (m, s) { return Math.max(m, +s.n || 0); }, 1);
|
||||
var html = '<div class="stats-tl-plot">';
|
||||
sp.forEach(function (s) {
|
||||
var ts = Date.parse((s.last_seen || '').replace(' ', 'T'));
|
||||
var leftPct = isNaN(ts) ? 50 : ((Math.max(windowStart, Math.min(now, ts)) - windowStart) / windowSpan) * 100;
|
||||
var n = +s.n || 0;
|
||||
var bottomPct = (n / maxN) * 50;
|
||||
html += '<div class="stats-tl-mark" style="left:' + leftPct.toFixed(1) + '%;bottom:' + bottomPct.toFixed(1) + '%" data-sci="' + s.sci + '" title="' + (s.com || s.sci) + ' · ' + n + ' calls"></div>';
|
||||
});
|
||||
html += '</div>';
|
||||
tl.innerHTML = html;
|
||||
}
|
||||
|
||||
// ---- Atlas: gridded alphabet of all species ----
|
||||
function renderAtlas() {
|
||||
var list = document.getElementById('atlasList');
|
||||
if (!list) return;
|
||||
var sp = ((DATA.lifelist && DATA.lifelist.species) || []).slice();
|
||||
if (!sp.length) { list.innerHTML = '<p class="empty">no species yet — atlas fills in as the Pi detects birds.</p>'; return; }
|
||||
var sort = readLS('av:atlasSort', 'count');
|
||||
if (sort === 'count') sp.sort(function (a, b) { return (+b.n || 0) - (+a.n || 0); });
|
||||
else if (sort === 'recent') sp.sort(function (a, b) {
|
||||
return Date.parse((b.last_seen || '').replace(' ', 'T')) - Date.parse((a.last_seen || '').replace(' ', 'T'));
|
||||
});
|
||||
else sp.sort(function (a, b) {
|
||||
return Date.parse((a.first_seen || '').replace(' ', 'T')) - Date.parse((b.first_seen || '').replace(' ', 'T'));
|
||||
});
|
||||
list.innerHTML = sp.map(function (s) {
|
||||
var img = api('/api/img?sci=' + encodeURIComponent(s.sci) +
|
||||
(s.com ? '&com=' + encodeURIComponent(s.com) : '') +
|
||||
'&v=' + IMG_VERSION);
|
||||
return '<button class="atlas-card" data-sci="' + s.sci + '">' +
|
||||
'<img loading="lazy" decoding="async" src="' + img + '" alt="' + (s.com || s.sci) + '">' +
|
||||
'<span class="atlas-name">' + (s.com || s.sci) + '</span>' +
|
||||
'<span class="atlas-count">' + (+s.n || 0) + '</span>' +
|
||||
'</button>';
|
||||
}).join('');
|
||||
[].slice.call(list.querySelectorAll('.atlas-card')).forEach(function (b) {
|
||||
b.addEventListener('click', function () { openDetail({ sci: b.dataset.sci }); });
|
||||
});
|
||||
}
|
||||
|
||||
// ---- Detail modal (basic — opens recording + spectrogram for a species) ----
|
||||
function openDetail(s) {
|
||||
var sci = s.sci || s;
|
||||
// Lookup full record from lifelist if available
|
||||
var rec = ((DATA.lifelist && DATA.lifelist.species) || []).find(function (x) { return x.sci === sci; }) || s;
|
||||
var img = api('/api/img?sci=' + encodeURIComponent(sci) +
|
||||
(rec.com ? '&com=' + encodeURIComponent(rec.com) : '') +
|
||||
'&v=' + IMG_VERSION);
|
||||
var rec_url = api('/api/recording?sci=' + encodeURIComponent(sci));
|
||||
var spec_url = api('/api/spectrogram?sci=' + encodeURIComponent(sci));
|
||||
var modal = document.getElementById('detail-modal');
|
||||
if (!modal) {
|
||||
modal = document.createElement('div');
|
||||
modal.id = 'detail-modal';
|
||||
modal.setAttribute('role', 'dialog');
|
||||
document.body.appendChild(modal);
|
||||
}
|
||||
modal.innerHTML =
|
||||
'<div class="modal-backdrop" data-close="1"></div>' +
|
||||
'<div class="detail-card">' +
|
||||
' <button type="button" class="modal-close" data-close="1" aria-label="close">×</button>' +
|
||||
' <img class="detail-img" src="' + img + '" alt="' + (rec.com || sci) + '">' +
|
||||
' <h2 class="detail-title">' + (rec.com || sci) + '</h2>' +
|
||||
' <p class="detail-sci"><em>' + sci + '</em></p>' +
|
||||
' <p class="detail-stats">' + (+rec.n || 0) + ' calls · last heard ' + (rec.last_seen || '—') + '</p>' +
|
||||
' <audio class="detail-audio" controls src="' + rec_url + '"></audio>' +
|
||||
' <img class="detail-spec" src="' + spec_url + '" alt="spectrogram">' +
|
||||
'</div>';
|
||||
modal.setAttribute('aria-hidden', 'false');
|
||||
modal.querySelectorAll('[data-close]').forEach(function (el) {
|
||||
el.addEventListener('click', function () { modal.setAttribute('aria-hidden', 'true'); });
|
||||
});
|
||||
}
|
||||
})();
|
||||
Reference in New Issue
Block a user