counties/test.html at master · mapkibera/counties · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8' />
    <title>Raster TMS + Symbols Test</title>
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
    <link href='https://www.mapbox.com/base/latest/base.css' rel='stylesheet' />
    <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.45.0/mapbox-gl.js'></script>
    <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.45.0/mapbox-gl.css' rel='stylesheet' />

    <style>
        body { margin:0; padding:0; overflow:hidden;}
        #map { position:absolute; top:0; bottom:0; left:0px; right:0px;}
        #menu {
          position: relative;
          padding: 10px;
          background: #fff;
          width: 300px;
          font-family: 'Open Sans', sans-serif;
        }
        input {
            vertical-align: inherit
        }
    </style>
</head>
<body>
<div id='map'></div>
<div id='menu'>
    <input id='symbol-osm' type='radio' name='rtoggle' checked value='symbol-osm'>
    <label for='symbol-osm'>symbol-osm</label>
    <input id='symbol-streets' type='radio' name='rtoggle' value='symbol-streets'>
    <label for='symbol-streets'>symbol-streets</label>
</div>

<script>
mapboxgl.accessToken = 'pk.eyJ1IjoibWlrZWxtYXJvbiIsImEiOiJjaWZlY25lZGQ2cTJjc2trbmdiZDdjYjllIn0.Wx1n0X7aeCQyDTnK6_mrGw';
var osm_style = {
  "version": 8,
  "sources": {
    "openstreetmap-tiles": {
      "type": "raster",
      "tiles": [
        "https://a.tile.openstreetmap.org/{z}/{x}/{y}.png",
      ],
      "tileSize": 256
    }
  },
  "layers": [{
    "id": "openstreetmap-layer",
    "type": "raster",
    "source": "openstreetmap-tiles",
    "minzoom": 0,
    "maxzoom": 18
  }]
};
var map = new mapboxgl.Map({
    container: 'map', // container id
    style: osm_style,
    center: [37.6004, -1.7805], // starting position
    zoom: 12, // starting zoom
    hash: true
});
map.addControl(new mapboxgl.NavigationControl());

function loadPOI() {
  if (map.getSource('poi')) {
    addPoiLayer();
    return;
  }

  getJSON({url:'data/wote-poi-only.geojson'}, function(err,poi){
    map.addSource('poi', {
      'type': 'geojson',
        'data': poi
    });
    addPoiLayer();
  });

}

map.on('style.load', function() {
  loadPOI();
});

function addPoiLayer() {
    map.addLayer({
      'id': 'poi-layer',
      'type': 'symbol',
      'source': 'poi',
      'layout': {
        "icon-allow-overlap": true,
        'icon-image': 'bus-15',
        'visibility': 'visible'
      }
    });
}

function switchType(type) {
    var typeId = type.target.id;
    if (typeId == 'symbol-streets') {
      map.setStyle('mapbox://styles/mapbox/streets-v9');
    } else {
      map.setStyle(osm_style);
    }
}

var layerList = document.getElementById('menu');
var inputs = layerList.getElementsByTagName('input');

inputs[0].onclick = switchType;
inputs[1].onclick = switchType;

class AJAXError extends Error {
    constructor(message, status, url) {
        super(message);
        this.status = status;
        this.url = url;

        // work around for https://github.com/Rich-Harris/buble/issues/40
        this.name = this.constructor.name;
        this.message = message;
    }

    toString() {
        return `${this.name}: ${this.message} (${this.status}): ${this.url}`;
    }
}

function makeRequest(requestParameters) {
    const xhr = new window.XMLHttpRequest();

    xhr.open('GET', requestParameters.url, true);
    for (const k in requestParameters.headers) {
        xhr.setRequestHeader(k, requestParameters.headers[k]);
    }
    xhr.withCredentials = requestParameters.credentials === 'include';
    return xhr;
};

function getJSON(requestParameters, callback) {
    const xhr = makeRequest(requestParameters);
    xhr.setRequestHeader('Accept', 'application/json');
    xhr.onerror = function() {
        callback(new Error(xhr.statusText));
    };
    xhr.onload = function() {
        if (xhr.status >= 200 && xhr.status < 300 && xhr.response) {
            let data;
            try {
                data = JSON.parse(xhr.response);
            } catch (err) {
                return callback(err);
            }
            callback(null, data);
        } else {
            if (xhr.status === 401 && requestParameters.url.match(/mapbox.com/)) {
                callback(new AJAXError(`${xhr.statusText}: you may have provided an invalid Mapbox access token. See https://www.mapbox.com/api-documentation/#access-tokens`, xhr.status, requestParameters.url));
            } else {
                callback(new AJAXError(xhr.statusText, xhr.status, requestParameters.url));
            }
        }
    };
    xhr.send();
    return xhr;
};

</script>

</body>
</html>