leaflet
Version:
JavaScript library for mobile-friendly interactive maps
50 lines (35 loc) • 1.17 kB
HTML
<html>
<head>
<title>Leaflet debug page</title>
<link rel="stylesheet" href="../../dist/leaflet.css" />
<link rel="stylesheet" href="../css/screen.css" />
<script type="text/javascript" src="../../build/deps.js"></script>
<script src="../leaflet-include.js"></script>
</head>
<body>
<div id="map" style="width: 600px; height: 600px; border: 1px solid #ccc"></div>
<script type="text/javascript">
var tiles = new L.GridLayer();
tiles.createTile = function(coords) {
var tile = document.createElement('canvas'),
ctx = tile.getContext('2d');
tile.width = tile.height = 256;
ctx.fillStyle = 'white';
ctx.fillRect(0, 0, 255, 255);
ctx.fillStyle = 'black';
ctx.fillText('x: ' + coords.x + ', y: ' + coords.y + ', zoom: ' + coords.z, 20, 20);
ctx.strokeStyle = 'red';
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(255, 0);
ctx.lineTo(255, 255);
ctx.lineTo(0, 255);
ctx.closePath();
ctx.stroke();
return tile;
}
var map = new L.Map('map', {center: new L.LatLng(50.5, 30.51), zoom: 15, layers: [tiles]});
</script>
</body>
</html>