physical lighting, volumetric clouds, terrain shadows, pixel-art render scale
- atmosphere: physical terrain lighting (air mass, Rayleigh beam colour, skylight, moon, starlight floor), aerial perspective for terrain and cloud deck, configurable haze/albedo/ambient gains - clouds: march the deck in height instead of ray distance, IGN dither (no per-frame flicker), per-step height jitter, 4-octave fbm renormalised, softer density threshold, distance softening as a procedural mip, grazing path clamp, cloud shadows on the ground (cloudShadowDensity/ Floor/Ambient) and cloud haze factor - terrain: self-shadows from the elevation field (penumbra + shadow floor), soft mosaic rim (edgeFadeTiles), east/west axis corrected (+X = west) - lights: per-object twilight switching for cars, city dots and ground blocks - flights: contrail width 620 m, fade to zero by contrailFadeKm, aircraft size decoupled from trail width, count halved - render: CONFIG.renderScale with integer upscale + image-rendering: pixelated - data: nginx overpass proxy + cache, per-mirror cooldown ladder, ring-based cell ordering (disc fills evenly), settlements fetched before roads, interim chain persistence, two worker lanes (car/city) with progress logs - removed: NASA VIIRS night-lights layer (fetch, canvas, texture, uniforms)
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@@ -5,9 +5,17 @@ server {
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index background.html;
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location / {
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add_header Cache-Control "no-store, must-revalidate" always;
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try_files $uri $uri/ =404;
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}
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# Page, config and scripts must never come out of a stale browser
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# cache: without this a changed CONFIG (new location, layer toggles)
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# keeps rendering the previous setup until a hard reload.
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location ~* \.(js|html)$ {
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add_header Cache-Control "no-store, must-revalidate" always;
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}
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# The background page runs as an iframe on other origins; a stray
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# favicon request must not log 404s.
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location = /favicon.ico {
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@@ -55,6 +63,83 @@ server {
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add_header Access-Control-Allow-Origin "*" always;
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}
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# CORS proxy for Overpass (road, place and airport queries). The public
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# mirrors answer cross-origin POSTs without Access-Control-Allow-Origin
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# (or refuse outright), so the app talks to same-origin paths here and
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# nginx forwards with a browser-like request. Overpass timeouts are long:
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# a busy instance needs more than the default 60 s.
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# URL format: /overpass/<mirror>/interpreter (mirror: api | coffee | mail)
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location ^~ /overpass/api/ {
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# Host in a variable so the resolver directive applies: with a literal
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# host nginx resolves at config time and tried AAAA records, which the
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# container cannot reach (101 Network unreachable) and which then
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# disabled the upstream for a while.
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resolver 1.1.1.1 8.8.8.8 ipv6=off valid=300s;
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set $overpass_api_host "overpass-api.de";
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proxy_pass https://$overpass_api_host/api/;
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proxy_ssl_server_name on;
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proxy_set_header Host overpass-api.de;
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proxy_set_header Origin "https://overpass-api.de";
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proxy_set_header Referer "https://overpass-api.de/api/interpreter";
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proxy_set_header User-Agent "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36";
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proxy_connect_timeout 15s; proxy_send_timeout 120s; proxy_read_timeout 120s;
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# A cell that answered once is kept for 30 days and served even while
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# the mirror is down (stale), so a flaky instance cannot undo progress
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# the browser already paid for.
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proxy_cache overpass;
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proxy_cache_key "$scheme$host$request_uri$request_body";
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proxy_cache_methods POST;
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proxy_cache_valid 200 30d;
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proxy_cache_lock on;
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proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
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add_header X-Cache $upstream_cache_status always;
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add_header Access-Control-Allow-Origin "*" always;
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}
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location ^~ /overpass/coffee/ {
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resolver 1.1.1.1 8.8.8.8 ipv6=off valid=300s;
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set $overpass_coffee_host "overpass.private.coffee";
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proxy_pass https://$overpass_coffee_host/api/;
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proxy_ssl_server_name on;
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proxy_set_header Host overpass.private.coffee;
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proxy_set_header Origin "https://overpass.private.coffee";
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proxy_set_header Referer "https://overpass.private.coffee/api/interpreter";
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proxy_set_header User-Agent "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36";
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proxy_connect_timeout 15s; proxy_send_timeout 120s; proxy_read_timeout 120s;
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# A cell that answered once is kept for 30 days and served even while
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# the mirror is down (stale), so a flaky instance cannot undo progress
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# the browser already paid for.
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proxy_cache overpass;
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proxy_cache_key "$scheme$host$request_uri$request_body";
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proxy_cache_methods POST;
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proxy_cache_valid 200 30d;
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proxy_cache_lock on;
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proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
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add_header X-Cache $upstream_cache_status always;
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add_header Access-Control-Allow-Origin "*" always;
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}
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location ^~ /overpass/mail/ {
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resolver 1.1.1.1 8.8.8.8 ipv6=off valid=300s;
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set $overpass_mail_host "maps.mail.ru";
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proxy_pass https://$overpass_mail_host/osm/tools/overpass/api/;
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proxy_ssl_server_name on;
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proxy_set_header Host maps.mail.ru;
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proxy_set_header Origin "https://maps.mail.ru";
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proxy_set_header Referer "https://maps.mail.ru/osm/tools/overpass/api/interpreter";
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proxy_set_header User-Agent "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36";
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proxy_connect_timeout 15s; proxy_send_timeout 120s; proxy_read_timeout 120s;
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# A cell that answered once is kept for 30 days and served even while
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# the mirror is down (stale), so a flaky instance cannot undo progress
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# the browser already paid for.
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proxy_cache overpass;
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proxy_cache_key "$scheme$host$request_uri$request_body";
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proxy_cache_methods POST;
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proxy_cache_valid 200 30d;
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proxy_cache_lock on;
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proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
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add_header X-Cache $upstream_cache_status always;
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add_header Access-Control-Allow-Origin "*" always;
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}
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# CORS preflight handler
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location ~* \.(png|jpg)$ {
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if ($request_method = 'OPTIONS') {
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