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geojson

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geojson

Turn your geo data into GeoJSON

  • 0.5.0
  • latest
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  • npm
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What is geojson?

The geojson npm package provides utilities for working with GeoJSON data, which is a format for encoding a variety of geographic data structures. It allows you to create, manipulate, and validate GeoJSON objects easily.

What are geojson's main functionalities?

Creating GeoJSON Objects

This feature allows you to create GeoJSON objects from an array of data points. The example demonstrates how to convert an array of locations with latitude and longitude into a GeoJSON object.

const geojson = require('geojson');
const data = [
  { name: 'Location 1', lat: 40.7128, lng: -74.0060 },
  { name: 'Location 2', lat: 34.0522, lng: -118.2437 }
];
const geojsonData = geojson.parse(data, { Point: ['lat', 'lng'] });
console.log(JSON.stringify(geojsonData, null, 2));

Validating GeoJSON Objects

This feature allows you to validate GeoJSON objects to ensure they conform to the GeoJSON specification. The example shows how to validate a GeoJSON object representing a point feature.

const geojson = require('geojson');
const geojsonData = {
  type: 'FeatureCollection',
  features: [
    {
      type: 'Feature',
      geometry: {
        type: 'Point',
        coordinates: [-74.0060, 40.7128]
      },
      properties: {
        name: 'Location 1'
      }
    }
  ]
};
const isValid = geojson.isValid(geojsonData);
console.log(isValid);

Converting GeoJSON to Other Formats

This feature allows you to convert GeoJSON objects to other formats such as KML. The example demonstrates how to convert a GeoJSON object to KML format.

const geojson = require('geojson');
const geojsonData = {
  type: 'FeatureCollection',
  features: [
    {
      type: 'Feature',
      geometry: {
        type: 'Point',
        coordinates: [-74.0060, 40.7128]
      },
      properties: {
        name: 'Location 1'
      }
    }
  ]
};
const kml = geojson.toKML(geojsonData);
console.log(kml);

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Package last updated on 06 Aug 2017

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