3D-maps/15min_fly.html at main · mat701/3D-maps · GitHub

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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8" />
  <title>15-minute city 3D Map</title>
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
  <script src="https://unpkg.com/maplibre-gl@3.6.2/dist/maplibre-gl.js"></script>
  <link href="https://unpkg.com/maplibre-gl@3.6.2/dist/maplibre-gl.css" rel="stylesheet" />
  <style>
    body { margin:0; padding:0; }
    #map { position:absolute; top:0; bottom:0; width:100%; }
  </style>
</head>
<body>
<div id="map"></div>
<script>
const map = new maplibregl.Map({
  container: 'map',
  style: 'https://basemaps.cartocdn.com/gl/dark-matter-nolabels-gl-style/style.json',
  /*style: {
    version: 8,
    sources: {},
    layers: [{
      id: 'background',
      type: 'background',
      paint: { 'background-color': '#000000' }
    }]
  },*/
  center: [12.5, 41.9],
  zoom: 10.5,
  pitch: 60,
  bearing: 0
});

// === Load CDI hex grid ===
map.on('load', () => {
  fetch('rome_15min.geojson')
    .then(r => r.json())
    .then(data => {
      map.addSource('hexes', { type: 'geojson', data: data });

      map.addLayer({
        id: 'hexes-3d',
        type: 'fill-extrusion',
        source: 'hexes',
        paint: {
          // height = scaled population
          'fill-extrusion-height': [
            'interpolate', ['linear'], ['get', 'population'],
            0, 0,
            1000, 2000,
            5000, 4000,
            10000, 5000,
          ],
          // color = CDI red–white–blue scale
          'fill-extrusion-color': [
            'interpolate', ['linear'], ['get', '15min'],
             1, '#0011cc',
             15, '#ffffff',
             40, '#cc0000'
          ],
          'fill-extrusion-opacity': 0.65
        }
      });

      console.log("✅ CDI hex grid added");
      flySequence();
    });
});

// === Fly through Rome ===
const stops = [
  { name: 'Rome', coords: [12.5, 41.85], zoom: 10.5, pitch: 35, bearing: 0},
  { name: 'Center Rome', coords: [12.5, 41.88], zoom: 11.65, pitch: 45, bearing: -10 },
  { name: 'Ostia', coords: [12.27, 41.75], zoom: 12.5, pitch: 50, bearing: 0 },
  { name: 'Acilia', coords: [12.36, 41.78], zoom: 12.5, pitch: 50, bearing: -40 },
  { name: 'Torri', coords: [12.66, 41.9], zoom: 12, pitch: 45, bearing: 25 },
  { name: 'Labaro',  coords: [12.45, 42.02], zoom: 12, pitch: 55, bearing: -15 },
];

function flySequence() {
  let i = 0;
  function next() {
    const s = stops[i];
    map.flyTo({
      center: s.coords,
      zoom: s.zoom,
      bearing: s.bearing,
      pitch: s.pitch,
      speed: 0.4,
      curve: 1.6,
      easing: t => t
    });
    i = (i + 1) % stops.length;
    setTimeout(next, 8000);  // 8 sec per move
  }
  next();
}
</script>
</body>
</html>