97 lines
2.6 KiB
JavaScript
97 lines
2.6 KiB
JavaScript
/**
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* converter of overpass results to CSV
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*/
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const zone_name="paris-13e-arr";
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const code_postal = "75013";
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const exportFileName = `bdd-vitesses-fr-osm_ways_zone-${zone_name}_date-made-2022-08-03_full.csv`
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let header_csv = ["national_ref", "way_id", "osm_link", "name", "highway_tag","speed_limit"]
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let lines_csv = []
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const sourceFilePath = `./overpass_results/${code_postal}.json`
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const overpassDataJson = require(sourceFilePath)
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const reference_prefix = `V${code_postal}_`;
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let counter_no_speedlimit = 0;
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let counter_highways = overpassDataJson['elements'].length;
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let turn_ii = 0;
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let turn_ii_limit = 2000;
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const fs = require('fs')
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console.log("overpassDataJson elements", overpassDataJson['elements'].length)
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overpassDataJson['elements'].forEach((elem) => {
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// limit turns for dev time
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turn_ii++
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if (turn_ii >= turn_ii_limit) {
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return
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}
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let line_properties = {
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"ref": ""+reference_prefix + turn_ii,
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"way_id": elem.id,
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"osm_link": `"https://www.openstreetmap.org/way/${elem.id}"`,
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"name": null,
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"highway": null,
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"speedlimit": null,
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}
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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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}
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if (elem.tags.name) {
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line_properties['name'] = elem.tags.name
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}
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if (elem.tags.maxspeed) {
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line_properties['speedlimit'] = elem.tags.maxspeed
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}else{
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counter_no_speedlimit++
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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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csv_line += ';'
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})
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return csv_line + "\n"
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});
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writeCSVOutput();
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function writeCSVOutput() {
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let content = header_csv.join(';') + ';\n' + lines_out;
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console.log(" ")
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// console.log("content", content.replace(','+reference_prefix, reference_prefix))
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fs.writeFile('output/' + exportFileName, content, 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("highways without speedlimit", counter_no_speedlimit)
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console.log("on", counter_highways)
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console.log("missing speedlimit data : ", Math.floor( counter_no_speedlimit * 100 /counter_highways ) + "%" )
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console.log(" ")
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console.log('wrote output file', exportFileName);
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});
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}
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