maptoolkit/dist/math.js

Utilidades para trabajar con el mapa de google web.

/**
 * Created by dss on 8/9/17.
 */
var MapMath = (function () {
    function MapMath() {
    }
    MapMath.angleBetweenLocations = function (sourcePt, targetPt) {
        var PI = Math.PI;
        var lat1 = sourcePt.lat * PI / 180;
        var long1 = sourcePt.lng * PI / 180;
        var lat2 = targetPt.lat * PI / 180;
        var long2 = targetPt.lng * PI / 180;
        var dLon = (long2 - long1);
        var y = Math.sin(dLon) * Math.cos(lat2);
        var x = Math.cos(lat1) * Math.sin(lat2) - Math.sin(lat1) * Math.cos(lat2) * Math.cos(dLon);
        var brng = Math.atan2(y, x);
        brng = MapMath.toDegrees(brng);
        brng = (brng + 360) % 360;
        return brng;
    };
    MapMath.toDegrees = function (rad) {
        return rad * 180 / Math.PI;
    };
    MapMath.toRadians = function (deg) {
        return deg * Math.PI / 180;
    };
    return MapMath;
}());
export { MapMath };
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