FM / crs

/opt/canhelp/node_modules/leaflet/src/geo/crs/

/opt/canhelp/node_modules/leaflet/src/geo/crs

Name	Size	Mode	Actions
CRS.Earth.js	1133	0755	edit dl rm
CRS.EPSG3395.js	588	0644	edit dl rm
CRS.EPSG3857.js	801	0644	edit dl rm
CRS.EPSG4326.js	983	0644	edit dl rm
CRS.js	5281	0644	edit dl rm
CRS.Simple.js	926	0644	edit dl rm
index.js	394	0644	edit dl rm

Edit: /opt/canhelp/node_modules/leaflet/src/geo/crs/CRS.Earth.js (1133B)

import {CRS} from './CRS';
import * as Util from '../../core/Util';

/*
 * @namespace CRS
 * @crs L.CRS.Earth
 *
 * Serves as the base for CRS that are global such that they cover the earth.
 * Can only be used as the base for other CRS and cannot be used directly,
 * since it does not have a `code`, `projection` or `transformation`. `distance()` returns
 * meters.
 */

export var Earth = Util.extend({}, CRS, {
	wrapLng: [-180, 180],

// Mean Earth Radius, as recommended for use by
	// the International Union of Geodesy and Geophysics,
	// see https://rosettacode.org/wiki/Haversine_formula
	R: 6371000,

// distance between two geographical points using spherical law of cosines approximation
	distance: function (latlng1, latlng2) {
		var rad = Math.PI / 180,
		    lat1 = latlng1.lat * rad,
		    lat2 = latlng2.lat * rad,
		    sinDLat = Math.sin((latlng2.lat - latlng1.lat) * rad / 2),
		    sinDLon = Math.sin((latlng2.lng - latlng1.lng) * rad / 2),
		    a = sinDLat * sinDLat + Math.cos(lat1) * Math.cos(lat2) * sinDLon * sinDLon,
		    c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
		return this.R * c;
	}
});

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