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Encode beeline hash as indexes

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This commit is contained in:
Norbert Renner 2021-06-23 23:23:36 +02:00
parent 3c8be96085
commit 044dab0f80
1 changed files with 13 additions and 8 deletions
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21
js/router/BRouter.js
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@ -90,7 +90,7 @@ L.BRouter = L.Class.extend({
opts.lonlats = this._parseLonLats(params.lonlats);
}
if (params.straight) {
opts.beelineFlags = this._parseBeelines(params.straight);
opts.beelineFlags = this._parseBeelines(params.straight, opts.lonlats);
}
if (params.nogos) {
opts.nogos = this._parseNogos(params.nogos);
@ -315,17 +315,22 @@ L.BRouter = L.Class.extend({
},
_getBeelineString: function (beelineFlags) {
var s = '';
var indexes = [];
for (var i = 0; i < beelineFlags.length; i++) {
s += beelineFlags[i] ? '1' : '0';
if (beelineFlags[i]) {
indexes.push(i);
}
}
return s;
return indexes.join(',');
},
_parseBeelines: function (s) {
const beelineFlags = [];
for (const c of s) {
beelineFlags.push(!!+c);
_parseBeelines: function (s, lonlats) {
if (!lonlats || lonlats.length < 2) return [];
const beelineFlags = new Array(lonlats.length - 1);
beelineFlags.fill(false);
for (const i of s.split(',')) {
beelineFlags[i] = true;
}
return beelineFlags;
},