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January 13, 2020 12:56
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Convert odata nature reverses file to OSM format
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| const file = "resgan_2020-01-heb.osm"; | |
| const newFile = 'new_' + file; | |
| let fs = require("fs"); | |
| let xml2js = require("xml2js"); | |
| let parseString = require("xml2js").parseString; | |
| let deletedWaysId = [], orphanNodes = []; | |
| fs.readFile(file, "utf-8", (err, data) => { | |
| if (err) throw err; | |
| parseString(data, (err, result) => { | |
| if (err) console.log(err); | |
| var json = result; | |
| convert(json.osm.way); | |
| convert(json.osm.relation, true); | |
| deletedOrphanNodes(json.osm.node); | |
| saveFile(json); | |
| }); | |
| }); | |
| function convert(ways, isRelation = false){ | |
| for (let wayid in ways) { | |
| let isReverseOrPark; // 1 is nature reverse, 2 is national park | |
| let name, nameEn, ref; | |
| (() => { | |
| let tags = ways[wayid].tag; | |
| for (let tagid in tags) { | |
| let tag = tags[tagid]['$']; | |
| switch (tag['k']) { | |
| case 'STATUS_DES': | |
| if (tag['v'].includes('מאושר') || tag['v'].includes('מופקד')){ | |
| deletedWaysId.push(ways[wayid]['$']['id']); | |
| for (let nodeid in ways[wayid].nd) | |
| orphanNodes.push(ways[wayid].nd[nodeid]['$']['ref']); | |
| delete ways[wayid]; | |
| //console.log('deleted!'); | |
| return; | |
| } | |
| break; | |
| case 'PLAN_NUMBE': | |
| ref = tag['v']; | |
| break; | |
| case 'PARK_TYPE1': | |
| isReverseOrPark = tag['v']; | |
| break; | |
| case 'PARK_ENG_N': | |
| nameEn = tag['v']; | |
| break; | |
| case 'PARK_HEB_1': | |
| name = tag['v']; | |
| break; | |
| } | |
| delete tags[tagid]; | |
| } | |
| })(); | |
| let newTags; | |
| if (isReverseOrPark == undefined || ways[wayid] == undefined) | |
| continue; | |
| else if (isReverseOrPark == 1) | |
| newTags = | |
| { | |
| 'boundary': 'protected_area', | |
| 'protection_title': 'Nature Reserve', | |
| 'protect_class': isReverseOrPark, | |
| 'name': 'שמורת טבע ' + name, | |
| 'name:he': 'שמורת טבע ' + name, | |
| 'name:en': nameEn + ' Nature Reserve', | |
| }; | |
| else | |
| newTags = | |
| { | |
| 'boundary': 'national_park', | |
| 'protection_title': 'National Park', | |
| 'protect_class': isReverseOrPark, | |
| 'name': 'גן לאומי ' + name, | |
| 'name:he': 'גן לאומי ' + name, | |
| 'name:en': nameEn + ' National Park', | |
| }; | |
| newTags.source = 'https://www.odata.org.il/dataset/f101af02-97fc-45db-bbfc-737b6f3fb626'; | |
| newTags.ref = ref; | |
| for (let key in newTags) { | |
| ways[wayid].tag.push({'$': {'k': key, 'v': newTags[key]}}); | |
| } | |
| if (isRelation) | |
| checkMembers(ways[wayid]); | |
| } | |
| } | |
| function saveFile(json){ | |
| let builder = new xml2js.Builder(); | |
| let xml = builder.buildObject(json); | |
| fs.writeFile(newFile, xml, (err) => { | |
| if (err) throw err; | |
| console.log("done!!!\nThe converted data saved to " + newFile); | |
| }); | |
| } | |
| function checkMembers(relation){ | |
| for (let memberid in relation.member){ | |
| if (deletedWaysId.includes(relation.member[memberid]['$']['ref'])) | |
| delete relation.member[memberid]; | |
| } | |
| } | |
| function deletedOrphanNodes(nodes){ | |
| for (let nodeid in nodes) | |
| if (orphanNodes.includes(nodes[nodeid]['$']['id'])) | |
| delete nodes[nodeid]; | |
| } |
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| "lockfileVersion": 1, | |
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| "requires": { | |
| "object-keys": "^1.0.12" | |
| } | |
| }, | |
| "es-abstract": { | |
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| "es-to-primitive": "^1.2.1", | |
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| } |
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