Display Vector Tiles on a Map using OpenLayers.

100% © Mapbox

index.js
import { MapControls } from 'three/examples/jsm/controls/MapControls.js';
import { Fill, Icon, Stroke, Style, Text } from 'ol/style.js';

import VectorTileSource from '@giro3d/giro3d/sources/VectorTileSource.js';
import ColorLayer from '@giro3d/giro3d/core/layer/ColorLayer.js';
import Extent from '@giro3d/giro3d/core/geographic/Extent.js';
import Instance from '@giro3d/giro3d/core/Instance.js';
import Map from '@giro3d/giro3d/entities/Map.js';
import Inspector from '@giro3d/giro3d/gui/Inspector.js';



// Defines geographic extent: CRS, min/max X, min/max Y
const extent = new Extent(
    'EPSG:3857',
    -20037508.342789244,
    20037508.342789244,
    -20048966.1,
    20048966.1,
);

// `viewerDiv` will contain Giro3D' rendering area (the canvas element)
const viewerDiv = document.getElementById('viewerDiv');

// Creates a Giro3D instance
const instance = new Instance(viewerDiv, {
    crs: extent.crs(),
    renderer: {
        clearColor: 0xffffff,
    },
});

const map = new Map('planar', { extent, maxSubdivisionLevel: 15 });
instance.add(map);

// Instantiates camera
instance.camera.camera3D.position.set(0, 0, 10000000);

// Instantiates controls
const controls = new MapControls(instance.camera.camera3D, instance.domElement);
controls.enableDamping = true;
controls.dampingFactor = 0.25;

instance.useTHREEControls(controls);

// Adds a color layer from a VectorTile source
const key =
    'pk.eyJ1IjoibWljaGFlbG51bm4iLCJhIjoiY2pudTk4czFuMDJ6NDNrcG56bG5xeWk4byJ9.R5dzdzAM5kaxa1gXjOQQrw';

const vectorTileSource = new VectorTileSource({
    url: `${
        'https://{a-d}.tiles.mapbox.com/v4/mapbox.mapbox-streets-v6/' +
        '{z}/{x}/{y}.vector.pbf?access_token='
    }${key}`,
    style: createMapboxStreetsV6Style(),
    backgroundColor: 'hsl(47, 26%, 88%)',
});

function createMapboxStreetsV6Style() {
    const fill = new Fill({ color: '' });
    const stroke = new Stroke({ color: '', width: 1 });
    const polygon = new Style({ fill });
    const strokedPolygon = new Style({ fill, stroke });
    const line = new Style({ stroke });
    const text = new Style({
        text: new Text({
            text: '',
            fill,
            stroke,
        }),
    });
    const iconCache = {};
    function getIcon(iconName) {
        let icon = iconCache[iconName];
        if (!icon) {
            icon = new Style({
                image: new Icon({
                    src: `https://cdn.rawgit.com/mapbox/maki/master/icons/${iconName}-15.svg`,
                    imgSize: [15, 15],
                    crossOrigin: 'anonymous',
                }),
            });
            iconCache[iconName] = icon;
        }
        return icon;
    }
    const styles = [];

    return (feature, resolution) => {
        let length = 0;
        const layer = feature.get('layer');
        const cls = feature.get('class');
        const type = feature.get('type');
        const scalerank = feature.get('scalerank');
        const labelrank = feature.get('labelrank');
        const adminLevel = feature.get('admin_level');
        const maritime = feature.get('maritime');
        const disputed = feature.get('disputed');
        const maki = feature.get('maki');
        const geom = feature.getGeometry().getType();
        if (layer === 'landuse' && cls === 'park') {
            fill.setColor('#d8e8c8');
            styles[length++] = polygon;
        } else if (layer === 'landuse' && cls === 'cemetery') {
            fill.setColor('#e0e4dd');
            styles[length++] = polygon;
        } else if (layer === 'landuse' && cls === 'hospital') {
            fill.setColor('#fde');
            styles[length++] = polygon;
        } else if (layer === 'landuse' && cls === 'school') {
            fill.setColor('#f0e8f8');
            styles[length++] = polygon;
        } else if (layer === 'landuse' && cls === 'wood') {
            fill.setColor('rgb(233,238,223)');
            styles[length++] = polygon;
        } else if (layer === 'waterway' && cls !== 'river' && cls !== 'stream' && cls !== 'canal') {
            stroke.setColor('#a0c8f0');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'waterway' && cls === 'river') {
            stroke.setColor('#a0c8f0');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'waterway' && (cls === 'stream' || cls === 'canal')) {
            stroke.setColor('#a0c8f0');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'water') {
            fill.setColor('#a0c8f0');
            styles[length++] = polygon;
        } else if (layer === 'aeroway' && geom === 'Polygon') {
            fill.setColor('rgb(242,239,235)');
            styles[length++] = polygon;
        } else if (
            layer === 'aeroway' &&
            geom === 'LineString' &&
            resolution <= 76.43702828517625
        ) {
            stroke.setColor('#f0ede9');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'building') {
            fill.setColor('#f2eae2');
            stroke.setColor('#dfdbd7');
            stroke.setWidth(1);
            styles[length++] = strokedPolygon;
        } else if (layer === 'tunnel' && cls === 'motorway_link') {
            stroke.setColor('#e9ac77');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'tunnel' && cls === 'service') {
            stroke.setColor('#cfcdca');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'tunnel' && (cls === 'street' || cls === 'street_limited')) {
            stroke.setColor('#cfcdca');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'tunnel' && cls === 'main' && resolution <= 1222.99245256282) {
            stroke.setColor('#e9ac77');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'tunnel' && cls === 'motorway') {
            stroke.setColor('#e9ac77');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'tunnel' && cls === 'path') {
            stroke.setColor('#cba');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'tunnel' && cls === 'major_rail') {
            stroke.setColor('#bbb');
            stroke.setWidth(2);
            styles[length++] = line;
        } else if (layer === 'road' && cls === 'motorway_link') {
            stroke.setColor('#e9ac77');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (
            layer === 'road' &&
            (cls === 'street' || cls === 'street_limited') &&
            geom === 'LineString'
        ) {
            stroke.setColor('#cfcdca');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'road' && cls === 'main' && resolution <= 1222.99245256282) {
            stroke.setColor('#e9ac77');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'road' && cls === 'motorway' && resolution <= 4891.96981025128) {
            stroke.setColor('#e9ac77');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'road' && cls === 'path') {
            stroke.setColor('#cba');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'road' && cls === 'major_rail') {
            stroke.setColor('#bbb');
            stroke.setWidth(2);
            styles[length++] = line;
        } else if (layer === 'bridge' && cls === 'motorway_link') {
            stroke.setColor('#e9ac77');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'bridge' && cls === 'motorway') {
            stroke.setColor('#e9ac77');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'bridge' && cls === 'service') {
            stroke.setColor('#cfcdca');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'bridge' && (cls === 'street' || cls === 'street_limited')) {
            stroke.setColor('#cfcdca');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'bridge' && cls === 'main' && resolution <= 1222.99245256282) {
            stroke.setColor('#e9ac77');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'bridge' && cls === 'path') {
            stroke.setColor('#cba');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'bridge' && cls === 'major_rail') {
            stroke.setColor('#bbb');
            stroke.setWidth(2);
            styles[length++] = line;
        } else if (layer === 'admin' && adminLevel >= 3 && maritime === 0) {
            stroke.setColor('#9e9cab');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'admin' && adminLevel === 2 && disputed === 0 && maritime === 0) {
            stroke.setColor('#9e9cab');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'admin' && adminLevel === 2 && disputed === 1 && maritime === 0) {
            stroke.setColor('#9e9cab');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'admin' && adminLevel >= 3 && maritime === 1) {
            stroke.setColor('#a0c8f0');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'admin' && adminLevel === 2 && maritime === 1) {
            stroke.setColor('#a0c8f0');
            stroke.setWidth(1);
            styles[length++] = line;
        } else if (layer === 'country_label' && scalerank === 1) {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('bold 11px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#334');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(2);
            styles[length++] = text;
        } else if (
            layer === 'country_label' &&
            scalerank === 2 &&
            resolution <= 19567.87924100512
        ) {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('bold 10px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#334');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(2);
            styles[length++] = text;
        } else if (layer === 'country_label' && scalerank === 3 && resolution <= 9783.93962050256) {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('bold 9px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#334');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(2);
            styles[length++] = text;
        } else if (layer === 'country_label' && scalerank === 4 && resolution <= 4891.96981025128) {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('bold 8px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#334');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(2);
            styles[length++] = text;
        } else if (layer === 'marine_label' && labelrank === 1 && geom === 'Point') {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('italic 11px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#74aee9');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(1);
            styles[length++] = text;
        } else if (layer === 'marine_label' && labelrank === 2 && geom === 'Point') {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('italic 11px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#74aee9');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(1);
            styles[length++] = text;
        } else if (layer === 'marine_label' && labelrank === 3 && geom === 'Point') {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('italic 10px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#74aee9');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(1);
            styles[length++] = text;
        } else if (layer === 'marine_label' && labelrank === 4 && geom === 'Point') {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('italic 9px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#74aee9');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(1);
            styles[length++] = text;
        } else if (layer === 'place_label' && type === 'city' && resolution <= 1222.99245256282) {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('11px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#333');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(1);
            styles[length++] = text;
        } else if (layer === 'place_label' && type === 'town' && resolution <= 305.748113140705) {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('9px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#333');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(1);
            styles[length++] = text;
        } else if (
            layer === 'place_label' &&
            type === 'village' &&
            resolution <= 38.21851414258813
        ) {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('8px "Open Sans", "Arial Unicode MS"');
            fill.setColor('#333');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(1);
            styles[length++] = text;
        } else if (
            layer === 'place_label' &&
            resolution <= 19.109257071294063 &&
            (type === 'hamlet' || type === 'suburb' || type === 'neighbourhood')
        ) {
            text.getText().setText(feature.get('name_en'));
            text.getText().setFont('bold 9px "Arial Narrow"');
            fill.setColor('#633');
            stroke.setColor('rgba(255,255,255,0.8)');
            stroke.setWidth(1);
            styles[length++] = text;
        } else if (
            layer === 'poi_label' &&
            resolution <= 19.109257071294063 &&
            scalerank === 1 &&
            maki !== 'marker'
        ) {
            styles[length++] = getIcon(maki);
        } else if (
            layer === 'poi_label' &&
            resolution <= 9.554628535647032 &&
            scalerank === 2 &&
            maki !== 'marker'
        ) {
            styles[length++] = getIcon(maki);
        } else if (
            layer === 'poi_label' &&
            resolution <= 4.777314267823516 &&
            scalerank === 3 &&
            maki !== 'marker'
        ) {
            styles[length++] = getIcon(maki);
        } else if (
            layer === 'poi_label' &&
            resolution <= 2.388657133911758 &&
            scalerank === 4 &&
            maki !== 'marker'
        ) {
            styles[length++] = getIcon(maki);
        } else if (
            layer === 'poi_label' &&
            resolution <= 1.194328566955879 &&
            scalerank >= 5 &&
            maki !== 'marker'
        ) {
            styles[length++] = getIcon(maki);
        }
        styles.length = length;
        return styles;
    };
}

const vectorTileLayer = new ColorLayer({
    name: 'osm',
    extent,
    source: vectorTileSource,
});

map.addLayer(vectorTileLayer);

Inspector.attach(document.getElementById('panelDiv'), instance);
index.html
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>Giro3D - Vector Tiles With OpenLayers</title>
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN" crossorigin="anonymous">
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-C6RzsynM9kWDrMNeT87bh95OGNyZPhcTNXj1NW7RuBCsyN/o0jlpcV8Qyq46cDfL" crossorigin="anonymous"></script>
  <style>
    body {
      padding: 0;
      margin: 0;
      width: 100vw;
      height: 100vh;
    }

    #viewerDiv {
      width: 100%;
      height: 100%;
    }

    #panelDiv {
      position: absolute;
      top: 0;
      left: 0;
    }
    
  </style>
</head>

<body>
  <div id="viewerDiv"></div>
  <div id="panelDiv"></div>
  

  <script type="module" src="index.js"></script>
  <script>
    /* activate popovers */
    const popoverTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="popover"]'));
    popoverTriggerList.map(
      // bootstrap is used as script in the template, disable warning about undef
      // eslint-disable-next-line no-undef
      popoverTriggerEl => new bootstrap.Popover(popoverTriggerEl, {
        trigger: 'hover',
        placement: 'left',
        content: document.getElementById(popoverTriggerEl.getAttribute('data-bs-content')).innerHTML,
        html: true,
      }),
    );
  </script>
</body>

</html>
package.json
{
  "name": "vector_tile",
  "dependencies": {
    "@giro3d/giro3d": "0.35.0"
  },
  "devDependencies": {
    "vite": "^3.2.3"
  },
  "scripts": {
    "start": "vite",
    "build": "vite build"
  }
}