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vicmap2osm.js
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vicmap2osm.js
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#!/usr/bin/env node
/**
* Convert from Vicmap Address schema into OSM Address schema, and omit some addresses
*/
const fs = require('fs')
const { Transform, pipeline } = require('readable-stream')
const ndjson = require('ndjson')
const toOSM = require('../lib/toOSM.js')
const filterOSM = require('../lib/filterOSM.js')
const filterSource = require('../lib/filterSource.js')
const argv = require('yargs/yargs')(process.argv.slice(2))
.option('debug', {
type: 'boolean',
description: 'Dumps full debug logs'
})
.option('tracing', {
type: 'boolean',
description: 'Includes _pfi tags to aid debugging'
})
.option('preserve-derivable-properties', {
type: 'boolean',
default: false,
description: 'If set, preserves addr:suburb, addr:postcode, addr:state, otherwise omits them'
})
.demandCommand(2)
.argv
if (argv._.length < 2) {
console.error("Usage: ./vicmap2osm.js input.geojson output.geojson")
process.exit(1)
}
const inputFile = argv._[0]
const outputFile = argv._[1]
if (!fs.existsSync(inputFile)) {
console.error(`${inputFile} not found`)
process.exit(1)
}
// output Vicmap complex name data
const complexStream = ndjson.stringify()
const complexStreamOutput = complexStream.pipe(fs.createWriteStream(`dist/vicmap-complex.geojson`))
// output Vicmap building name data
const buildingStream = ndjson.stringify()
const buildingStreamOutput = buildingStream.pipe(fs.createWriteStream(`dist/vicmap-building.geojson`))
let sourceCount = 0
const transform = new Transform({
readableObjectMode: true,
writableObjectMode: true,
transform(feature, encoding, callback) {
sourceCount++
if (!argv.quiet) {
if (process.stdout.isTTY && sourceCount % 1000 === 0) {
process.stdout.write(` ${sourceCount.toLocaleString()}\r`)
}
}
if (feature.properties.COMPLEX_NAME) {
const complexFeature = {
type: 'Feature',
id: `${feature.properties.PFI}`,
properties: {
name: feature.properties.COMPLEX_NAME
},
geometry: feature.geometry
}
complexStream.write(complexFeature)
}
// convert source Feature into a Feature per the OSM schema
const osm = toOSM(feature, {
tracing: argv.tracing,
/* omit addr:suburb, addr:postcode, addr:state */
includeDerivableProperties: argv.preserveDerivableProperties
})
if (feature.properties.BUILDING_NAME) {
const buildingFeature = {
type: 'Feature',
id: `${feature.properties.PFI}`,
properties: Object.assign({}, osm.properties, {
name: feature.properties.BUILDING_NAME
}),
geometry: osm.geometry
}
buildingStream.write(buildingFeature)
}
// some addresses we skip importing into OSM, see README.md#omitted-addresses
if (filterOSM(osm) && filterSource(feature)) {
this.push(osm)
}
callback()
}
})
// stream in source ndjson, transfom and stream out
pipeline(
fs.createReadStream(inputFile),
ndjson.parse(),
transform,
ndjson.stringify(),
fs.createWriteStream(outputFile),
(err) => {
if (err) {
console.log(err)
process.exit(1)
} else {
complexStream.end()
buildingStream.end()
complexStreamOutput.on('finish', () => {
console.log(`saved dist/vicmap-complex.geojson`)
buildingStreamOutput.on('finish', () => {
console.log(`saved dist/vicmap-building.geojson`)
process.exit(0)
})
})
}
}
)