1 files changed, 49 insertions, 0 deletions
diff --git a/debian/missing-sources/leaflet.js/geo/projection/Projection.Mercator.js b/debian/missing-sources/leaflet.js/geo/projection/Projection.Mercator.js
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+++ b/debian/missing-sources/leaflet.js/geo/projection/Projection.Mercator.js
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+import {LatLng} from '../LatLng';
+import {Bounds} from '../../geometry/Bounds';
+import {Point} from '../../geometry/Point';
+
+/*
+ * @namespace Projection
+ * @projection L.Projection.Mercator
+ *
+ * Elliptical Mercator projection — more complex than Spherical Mercator. Takes into account that Earth is a geoid, not a perfect sphere. Used by the EPSG:3395 CRS.
+ */
+
+export var Mercator = {
+	R: 6378137,
+	R_MINOR: 6356752.314245179,
+
+	bounds: new Bounds([-20037508.34279, -15496570.73972], [20037508.34279, 18764656.23138]),
+
+	project: function (latlng) {
+		var d = Math.PI / 180,
+		    r = this.R,
+		    y = latlng.lat * d,
+		    tmp = this.R_MINOR / r,
+		    e = Math.sqrt(1 - tmp * tmp),
+		    con = e * Math.sin(y);
+
+		var ts = Math.tan(Math.PI / 4 - y / 2) / Math.pow((1 - con) / (1 + con), e / 2);
+		y = -r * Math.log(Math.max(ts, 1E-10));
+
+		return new Point(latlng.lng * d * r, y);
+	},
+
+	unproject: function (point) {
+		var d = 180 / Math.PI,
+		    r = this.R,
+		    tmp = this.R_MINOR / r,
+		    e = Math.sqrt(1 - tmp * tmp),
+		    ts = Math.exp(-point.y / r),
+		    phi = Math.PI / 2 - 2 * Math.atan(ts);
+
+		for (var i = 0, dphi = 0.1, con; i < 15 && Math.abs(dphi) > 1e-7; i++) {
+			con = e * Math.sin(phi);
+			con = Math.pow((1 - con) / (1 + con), e / 2);
+			dphi = Math.PI / 2 - 2 * Math.atan(ts * con) - phi;
+			phi += dphi;
+		}
+
+		return new LatLng(phi * d, point.x * d / r);
+	}
+};