33 lines
682 B
Markdown
33 lines
682 B
Markdown
---
|
|
layout: tutorial_frame
|
|
title: Grid coordinates
|
|
---
|
|
<script type='text/javascript'>
|
|
|
|
var map = L.map('map', {
|
|
center: [0, 0],
|
|
zoom: 0
|
|
});
|
|
|
|
L.GridLayer.DebugCoords = L.GridLayer.extend({
|
|
createTile: function (coords, done) {
|
|
var tile = document.createElement('div');
|
|
tile.innerHTML = [coords.x, coords.y, coords.z].join(', ');
|
|
tile.style.outline = '1px solid red';
|
|
|
|
setTimeout(function () {
|
|
done(null, tile); // Syntax is 'done(error, tile)'
|
|
}, 500 + Math.random() * 1500);
|
|
|
|
return tile;
|
|
}
|
|
});
|
|
|
|
L.gridLayer.debugCoords = function(opts) {
|
|
return new L.GridLayer.DebugCoords(opts);
|
|
};
|
|
|
|
map.addLayer( L.gridLayer.debugCoords() );
|
|
|
|
</script>
|