mirror of
https://github.com/Leaflet/Leaflet.git
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7ac98758d4
Signed-off-by: Jon Koops <jonkoops@gmail.com> Co-authored-by: Florian Bischof <design.falke@gmail.com>
67 lines
1.7 KiB
HTML
67 lines
1.7 KiB
HTML
<!doctype html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title>Leaflet debug page - Tile Bounds</title>
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<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=0" />
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<link rel="stylesheet" href="../../dist/leaflet.css" />
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<link rel="stylesheet" href="../css/screen.css" />
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<style>
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#map {
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margin: 256px;
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width: auto;
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overflow: visible
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}
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</style>
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<script type="importmap">
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{
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"imports": {
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"leaflet": "../../dist/leaflet-src.js"
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}
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}
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</script>
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</head>
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<body>
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The CSS in this page makes the boundaries of the GridLayer tiles visible. Tiles which do not overlap the map bounds shall not be shown, even at fractional zoom levels.
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<button id="zoomIn" type="button"> Zoom + 0.1 </button>
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<button id="zoomOut" type="button"> Zoom - 0.1 </button>
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<div id="map"></div>
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<script type="module">
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import {Map, GridLayer, Point} from 'leaflet';
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const map = new Map('map', {
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center: [35, -122],
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zoom: 5.7,
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zoomSnap: 0.1
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});
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const zoomInBtn = document.getElementById('zoomIn');
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const zoomOutBtn = document.getElementById('zoomOut');
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zoomInBtn.addEventListener('click', () => map.zoomIn(0.1));
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zoomOutBtn.addEventListener('click', () => map.zoomOut(0.1));
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const grid = new GridLayer({
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attribution: 'Grid Layer',
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tileSize: new Point(150, 80)
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});
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grid.createTile = (coords, done) => {
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const tile = document.createElement('div');
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tile.innerHTML = [coords.x, coords.y, coords.z].join(', ');
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tile.style.border = '2px solid red';
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// tile.style.background = 'white';
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// test async
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setTimeout(() => {
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done(null, tile);
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}, 0);
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return tile;
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};
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map.addLayer(grid);
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</script>
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</body>
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</html>
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