33 lines
940 B
JavaScript
33 lines
940 B
JavaScript
'use strict';
|
|
|
|
var jS2 = require('../src/s2geometry.js').S2;
|
|
var nS2 = require('s2geometry-node');
|
|
|
|
var x, y;
|
|
|
|
function checkReal(lat, lng) {
|
|
var nS2LatLng = new nS2.S2LatLng(lat, lng).toPoint();
|
|
var nCell = new nS2.S2CellId(nS2LatLng).parent(15);
|
|
var jCell = jS2.S2Cell.FromLatLng({ lat: lat, lng: lng }, 15);
|
|
var nKey = nCell.toString();
|
|
var jQuad = jCell.getFaceAndQuads();
|
|
var jKey = jQuad[0] + '/' + jQuad[1].join('');
|
|
|
|
if (nKey !== jKey) {
|
|
console.log('');
|
|
console.log('Quadkey');
|
|
console.log('=', nKey);
|
|
console.log('j', jKey);
|
|
throw new Error("values didn't match expected");
|
|
}
|
|
}
|
|
|
|
console.log('Exhaustive check of about 518,400 random lat,lng coordinates of the earth (about every 0.5°)');
|
|
console.log('(this will take several seconds)');
|
|
for (x = -180; x <= 180; x += (0 + Math.random())) {
|
|
for (y = -180; y <= 180; y += (0 + Math.random())) {
|
|
checkReal(x, y);
|
|
}
|
|
}
|
|
console.log('PASS');
|