@loaders.gl/mvt

What is @loaders.gl/mvt?

@loaders.gl/mvt is a module within the loaders.gl framework that provides tools for loading and parsing Mapbox Vector Tiles (MVT). It is designed to handle large-scale geospatial data efficiently and can be used in web applications to render vector tiles on maps.

What are @loaders.gl/mvt's main functionalities?

Loading MVT Data

This feature allows you to load MVT data from a given URL. The `load` function from `@loaders.gl/core` is used in conjunction with the `MVTLoader` to fetch and parse the MVT data.

const { MVTLoader } = require('@loaders.gl/mvt');
const { load } = require('@loaders.gl/core');

async function loadMVT(url) {
  const data = await load(url, MVTLoader);
  console.log(data);
}

loadMVT('https://example.com/tile.mvt');

Parsing MVT Data

This feature allows you to parse MVT data from an ArrayBuffer. The `parse` function from `@loaders.gl/core` is used with the `MVTLoader` to convert the binary data into a usable format.

const { MVTLoader } = require('@loaders.gl/mvt');
const { parse } = require('@loaders.gl/core');

async function parseMVT(arrayBuffer) {
  const data = await parse(arrayBuffer, MVTLoader);
  console.log(data);
}

// Assuming arrayBuffer is an ArrayBuffer containing MVT data
parseMVT(arrayBuffer);

Handling Large Datasets

This feature allows you to handle large datasets by loading MVT data in batches. The `loadInBatches` function from `@loaders.gl/core` is used with the `MVTLoader` to fetch and process the data in smaller chunks, which is useful for performance optimization.

const { MVTLoader } = require('@loaders.gl/mvt');
const { loadInBatches } = require('@loaders.gl/core');

async function loadMVTInBatches(url) {
  const iterator = await loadInBatches(url, MVTLoader);
  for await (const batch of iterator) {
    console.log(batch);
  }
}

loadMVTInBatches('https://example.com/large-tile.mvt');

Other packages similar to @loaders.gl/mvt

mapbox-gl

Mapbox GL JS is a JavaScript library for interactive, customizable vector maps on the web. It provides a comprehensive set of tools for rendering vector tiles and offers more features for map interaction and styling compared to @loaders.gl/mvt.

ol

OpenLayers is a high-performance, feature-packed library for creating interactive maps on the web. It supports a wide range of geospatial formats, including MVT, and offers extensive functionality for map rendering and interaction, making it a more versatile option compared to @loaders.gl/mvt.

leaflet

Leaflet is a lightweight, open-source library for mobile-friendly interactive maps. While it primarily focuses on raster tiles, it has plugins that support vector tiles, including MVT. It is simpler and more lightweight compared to @loaders.gl/mvt, making it suitable for basic mapping needs.

README

@loaders.gl/mvt

This module contains a geometry loader for Mapbox Vector Tiles (MVT).

loaders.gl is a collection of framework-independent visualization-focused loaders (parsers).