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Merge pull request #170 from etalab/communes-associees-deleguees
Communes associees deleguees
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| const {join} = require('path') | ||
| const {keyBy} = require('lodash') | ||
| const communes = require('@etalab/decoupage-administratif/data/communes.json') | ||
| const epci = require('@etalab/decoupage-administratif/data/epci.json') | ||
| const area = require('@turf/area').default | ||
| const pointOnFeature = require('@turf/point-on-feature').default | ||
| const truncate = require('@turf/truncate').default | ||
| const bbox = require('@turf/bbox').default | ||
| const bboxPolygon = require('@turf/bbox-polygon').default | ||
| const {readGeoJSONFeatures, writeData, fixPrecision} = require('./util') | ||
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| const resolution = process.env.BUILD_LOW_RESOLUTION === '1' ? '50m' : '5m' | ||
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| const COMMUNES_ASSOCIEES_DELEGUEES_FEATURES_PATH = join(__dirname, '..', 'data', `communes-associees-deleguees-${resolution}.geojson.gz`) | ||
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| const COMMUNES_EPCI_MATCHING = epci.reduce((acc, curr) => { | ||
| curr.membres.forEach(membre => { | ||
| acc[membre.code] = curr.code | ||
| }) | ||
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| return acc | ||
| }, {}) | ||
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| async function buildCommunesAssocieesDeleguees() { | ||
| const communesAssocieesDelegueesFeatures = await readGeoJSONFeatures(COMMUNES_ASSOCIEES_DELEGUEES_FEATURES_PATH) | ||
| const communesAssocieesDelegueesFeaturesIndex = keyBy(communesAssocieesDelegueesFeatures, f => f.properties.code) | ||
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| const communesAssocieesDelegueesData = communes | ||
| .filter(commune => { | ||
| return ['commune-associee', 'commune-deleguee'].includes(commune.type) | ||
| }) | ||
| .map(commune => { | ||
| const communeData = { | ||
| code: commune.code, | ||
| type: commune.type, | ||
| nom: commune.nom, | ||
| chefLieu: commune.chefLieu, | ||
| codeDepartement: commune.departement, | ||
| codeRegion: commune.region | ||
| } | ||
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| if (commune.code in communesAssocieesDelegueesFeaturesIndex) { | ||
| const contour = communesAssocieesDelegueesFeaturesIndex[commune.code].geometry | ||
| communeData.contour = contour | ||
| communeData.surface = fixPrecision(area(contour) / 10000, 2) | ||
| communeData.centre = truncate(pointOnFeature(contour), {precision: 4}).geometry | ||
| const bboxCommune = bbox(communesAssocieesDelegueesFeaturesIndex[commune.code]) | ||
| const bboxPolygonCommune = bboxPolygon(bboxCommune) | ||
| communeData.bbox = bboxPolygonCommune.geometry | ||
| } | ||
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| if (commune.chefLieu in COMMUNES_EPCI_MATCHING) { | ||
| communeData.codeEpci = COMMUNES_EPCI_MATCHING[commune.chefLieu] | ||
| } | ||
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| return communeData | ||
| }) | ||
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| await writeData('communes-associees-deleguees', communesAssocieesDelegueesData) | ||
| } | ||
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| module.exports = {buildCommunesAssocieesDeleguees} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| const {initFields, initFormat} = require('./helpers') | ||
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| const initCommunesAssocieeDelegueeFields = initFields({ | ||
| default: ['nom', 'code', 'type', 'chefLieu', 'codeDepartement', 'codeEpci', 'codeRegion', 'codesPostaux'], | ||
| base: ['nom', 'code'] | ||
| }) | ||
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| const initCommuneAssocieeDelegueeFormat = initFormat({ | ||
| geometries: ['centre', 'contour', 'bbox'], | ||
| defaultGeometry: 'centre' | ||
| }) | ||
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| const communesAssocieesDelegueesDefaultQuery = {type: ['commune-associee', 'commune-deleguee']} | ||
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| module.exports = {initCommunesAssocieeDelegueeFields, initCommuneAssocieeDelegueeFormat, communesAssocieesDelegueesDefaultQuery} |
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