google-maps-large-size-image

Fetch high resolution large size maps image from Google Maps by passing maps extent and zoom level.

Features

:hammer: Installation

Use npm or compatible tool.

  npm install google-maps-large-size-image

:popcorn: Usage

This library is based on Google Maps Static API. The API key for the same is required.

const fs = require('fs').promises;
const path = require('path');
const {LargeMap} = require('google-maps-large-size-image');
require('dotenv').config();

// initiate the LargeMap instance
const lm = new LargeMap(process.env.GOOGLE_MAPS_API_KEY, {
  scale: 2,
  mapType: 'terrain',
  region: 'in',
  style: 'feature:road|color:yellow'
});

(async () => {
  const extent = [72.61, 18.76, 75.28, 21.62];
  const zoom = 10;
  try {
    const img = await lm.getImage(extent, zoom);
    await fs.writeFile(path.join(process.cwd(), '/output.jpg'), img);
  } catch (err) {
    console.error(err);
  }
  console.log('done!');
})();

:blue_car: API

new LargMap(googleMapsAPIKye, options?)

Return an instance to fetch map images by passing API key.

options

JSON object that can have google static map parameters. scale parameter is the key to get high resolution image, please read more in API documentation.

Method

• getImage(extent, zoom?)

  extent an array of coordinates:

    [
      bottom left long,
      bottom left lat,
      top right long,
      top right lat
    ]

  zoom integer, zoom level of Google Maps. Default value is 8.