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Truncate subs union

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This commit is contained in:
vjrj 2018-02-12 17:23:01 +01:00
parent 5f329f5210
commit 47b55267df
3 changed files with 24 additions and 2 deletions
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8
imports/ui/components/Maps/SubsUnion/SubsUnion.js
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@ -6,17 +6,21 @@
import { Map } from 'react-leaflet';
import LGeo from 'leaflet-geodesy';
import tunion from '@turf/union';
import ttrunc from '@turf/truncate';
import { check, Match } from 'meteor/check';
// https://stackoverflow.com/questions/35394577/leaflet-js-union-merge-circles
const truncOptions = { precision: 6, coordinates: 2 };
function unify(polyList) {
let unionTemp;
for (let i = 0; i < polyList.length; i += 1) {
const pol = polyList[i].toGeoJSON();
const cleanPol = ttrunc(pol, truncOptions);
if (i === 0) {
unionTemp = polyList[i].toGeoJSON();
unionTemp = cleanPol;
} else {
unionTemp = tunion(unionTemp, polyList[i].toGeoJSON());
unionTemp = tunion(unionTemp, cleanPol);
}
}
return unionTemp;