mirror of
https://github.com/Jermolene/TiddlyWiki5
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56 lines
1.5 KiB
JavaScript
56 lines
1.5 KiB
JavaScript
/*\
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title: $:/plugins/tiddlywiki/geospatial/operators/olc.js
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type: application/javascript
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module-type: filteroperator
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Filter operators for open location code conversions
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var openlocationcode = require("$:/plugins/tiddlywiki/geospatial/openlocationcode.js"),
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turf = require("$:/plugins/tiddlywiki/geospatial/turf.js"),
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geotools = require("$:/plugins/tiddlywiki/geospatial/geotools.js");
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exports["olc-decode"] = function(source,operator,options) {
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var olc;
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try {
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olc = openlocationcode.decode(operator.operands[0] || "")
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} catch(e) {
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return [];
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}
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var suffixes = (operator.suffixes || [])[0] || [],
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obj;
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if(suffixes.indexOf("bounds") !== -1) {
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obj = turf.polygon([[
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[olc.latitudeLo, olc.longitudeLo],
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[olc.latitudeHi, olc.longitudeLo],
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[olc.latitudeHi, olc.longitudeHi],
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[olc.latitudeLo, olc.longitudeHi],
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[olc.latitudeLo, olc.longitudeLo]
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]]);
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} else {
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obj = turf.point([olc.latitudeCenter,olc.longitudeCenter]);
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}
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return [JSON.stringify(obj)];
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};
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exports["olc-encode"] = function(source,operator,options) {
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var lat = $tw.utils.parseNumber(operator.operands[0] || "0"),
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long = $tw.utils.parseNumber(operator.operands[1] || "0"),
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codelength = $tw.utils.parseNumber(operator.operands[2] || "0") || openlocationcode.CODE_PRECISION_NORMAL,
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olc;
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try {
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olc = openlocationcode.encode(lat,long,codelength);
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} catch(e) {
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return []
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}
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return [olc];
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};
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})();
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