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s2-geometry.js
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add relevant L parts

This commit is contained in:
AJ ONeal 2016-07-25 21:53:02 -04:00 committed by GitHub
parent 27d9110745
commit e3a7a4519b
1 changed files with 30 additions and 2 deletions
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32
src/s2geometry.js
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@ -23,10 +23,10 @@
// (so GetSizeIJ for a cell is always 1)
(function() {
'use strict';
window.S2 = {};
var LatLngToXYZ = function(latLng) {
var d2r = L.LatLng.DEG_TO_RAD;
@ -44,7 +44,7 @@ var XYZToLatLng = function(xyz) {
var lat = Math.atan2(xyz[2], Math.sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]));
var lng = Math.atan2(xyz[1], xyz[0]);
return L.latLng(lat*r2d, lng*r2d);
return L.LatLng(lat*r2d, lng*r2d);
};
var largestAbsComponent = function(xyz) {
@ -305,3 +305,31 @@ S2.S2Cell.prototype.getNeighbors = function() {
})();
(function () {
'use strict';
// Adapted from Leafletjs https://searchcode.com/codesearch/view/42525008/
var L = { LatLng: {} };
windows.L = L;
L.LatLng.DEG_TO_RAD = Math.PI / 180;
L.LatLng.RAD_TO_DEG = 180 / Math.PI;
L.LatLng = function (/*Number*/ rawLat, /*Number*/ rawLng, /*Boolean*/ noWrap) {
var lat = parseFloat(rawLat);
var lng = parseFloat(rawLng);
if (isNaN(lat) || isNaN(lng)) {
throw new Error('Invalid LatLng object: (' + rawLat + ', ' + rawLng + ')');
}
if (noWrap !== true) {
lat = Math.max(Math.min(lat, 90), -90); // clamp latitude into -90..90
lng = (lng + 180) % 360 + ((lng < -180 || lng === 180) ? 180 : -180); // wrap longtitude into -180..180
}
return { lat: lat, lng: lng };
};
})();