78 lines
2.0 KiB
JavaScript
78 lines
2.0 KiB
JavaScript
/**
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* converter of overpass results to CSV
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*/
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const exportFileName = "bdd-vitesses-fr-osm_ways_zone-saint-mande_date-made-2022-08-03_full.csv"
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let header_csv = ["ref", "way_id", "speedlimit", "highway"]
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let lines_csv = []
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const sourceFilePath = "./overpass_results/export_saint_mande.json"
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const overpassDataJson = require(sourceFilePath)
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const reference_prefix = "75_";
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let turn_ii = 0;
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let turn_ii_limit = 3;
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const fs = require('fs')
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console.log("overpassDataJson elements", overpassDataJson['elements'].length)
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overpassDataJson['elements'].forEach((elem) => {
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// limit turns for dev time
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turn_ii++
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if (turn_ii >= turn_ii_limit) {
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return
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}
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let line_properties = {
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"ref": reference_prefix,
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"way_id": elem.id,
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"speedlimit": null,
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"highway": null
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}
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console.log("elem.id", elem.id)
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if (elem.tags) {
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console.log("elem.tags.highway", elem.tags.highway)
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if (elem.tags.highway) {
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line_properties.highway = elem.tags.highway
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}
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if (elem.tags.ref) {
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// line_properties.ref += elem.tags.ref.replace(' ','-')
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line_properties.ref += elem.tags.ref
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}
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if (elem.tags.maxspeed) {
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console.log("elem.tags.maxspeed", elem.tags.maxspeed)
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line_properties['speedlimit'] = elem.tags.maxspeed
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}
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}
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lines_csv.push(line_properties)
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})
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let lines_out = lines_csv.map(elem => {
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let keys = Object.keys(elem)
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let csv_line = '';
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keys.forEach(keyName=>{
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csv_line += elem[keyName]+', '
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})
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return csv_line + "\n"
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});
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console.log("lines_out", lines_out)
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// writeCSVOutput();
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function writeCSVOutput() {
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fs.writeFile('output/' + exportFileName, header_csv.join(',') + '\n' + lines_out, function (err, data) {
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if (err) {
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return console.log(err);
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}
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console.log('wrote output file', exportFileName);
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});
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}
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