leaflet
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JavaScript library for mobile-friendly interactive maps
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JavaScript
/*
* @namespace CRS
* @crs L.CRS.EPSG3857
*
* The most common CRS for online maps, used by almost all free and commercial
* tile providers. Uses Spherical Mercator projection. Set in by default in
* Map's `crs` option.
*/
L.CRS.EPSG3857 = L.extend({}, L.CRS.Earth, {
code: 'EPSG:3857',
projection: L.Projection.SphericalMercator,
transformation: (function () {
var scale = 0.5 / (Math.PI * L.Projection.SphericalMercator.R);
return new L.Transformation(scale, 0.5, -scale, 0.5);
}())
});
L.CRS.EPSG900913 = L.extend({}, L.CRS.EPSG3857, {
code: 'EPSG:900913'
});