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<!DOCTYPE html>
< html >
< head >
< title > Leaflet debug page< / title >
< link rel = "stylesheet" href = "../../dist/leaflet.css" / >
< meta name = "viewport" content = "width=device-width, initial-scale=1.0" >
< link rel = "stylesheet" href = "../css/screen.css" / >
< script type = "text/javascript" src = "../../build/deps.js" > < / script >
< script src = "../leaflet-include.js" > < / script >
< style >
#map {
margin: 256px;
width: auto;
overflow: visible
}
< / style >
< / head >
< body >
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.
< button onclick = 'map.zoomIn(0.1)' > Zoom + 0.1 < / button >
< button onclick = 'map.zoomOut(0.1)' > Zoom - 0.1 < / button >
< div id = "map" class = "map" > < / div >
< script type = "text/javascript" >
var mapopts = {
center: [35, -122],
zoom : 5.7
};
var map = L.map('map', mapopts);
var grid = L.gridLayer({
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attribution: 'Grid Layer',
tileSize: L.point(150, 80)
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});
grid.createTile = function (coords, done) {
var tile = document.createElement('div');
tile.innerHTML = [coords.x, coords.y, coords.z].join(', ');
tile.style.border = '2px solid red';
// tile.style.background = 'white';
// test async
setTimeout(function () {
done(null, tile);
}, 0);
return tile;
};
map.addLayer(grid);
< / script >
< / body >
< / html >
