GeoJSON Writer

Reads & writes GeoJSON files based on RFC 7946 GeoJSON.

Install

$ npm install --save geojson-writer

Quickstart

import {writer, reader} from 'geojson-writer'

const data = reader('places.geojson')
// <--Data processing-->
writer('places-processed.geojson', data)

Features

• Reads GeoJSON files
• Writes GeoJSON files
• Compact indentation, 1 line per feature (smallest file size possible)
• Limits coordinates decimals to a maximum of 6
• Does not include CRS

API

writer

Writes GeoJSON file

Parameters

• path string File path
• geojson Features GeoJSON FeatureCollection
• options [Options](default {}) Options
  • options.properties [Array<string>] List of properties to include in GeoJSON
  • options.precision [number] Reduce coordinate precision (optional, default 6)
  • options.boolean [boolean] Drop Z coordinates (optional, default false)
  • options.properties [Array<(string | number)>] Only include the following properties

Returns void

removeEmptyProperties

Remove Empty values

Parameters

• feature Feature

reader

Reads GeoJSON file

Parameters

• path string File must be a GeoJSON FeatureCollection

Returns Features GeoJSON FeatureCollection

toFix

Reduce coordinate precision

Parameters

• array
• precision (optional, default 6)

writeFeature

Write Feature

Parameters

• stream
• feature
• index
• array