JSFiddle - React, Tailwind, and code Playground

by _DR_

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/ol3/3.18.2/ol.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/ol3/3.18.2/ol.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/proj4js/2.3.15/proj4.js  Copy"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/proj4js/2.3.15/proj4.js"></script>
<div id="map" class="map"></div>

CSS

#id {
  width: 640px;
  height: 480px;
}

JavaScript

proj4.defs("EPSG:3395", "+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs");

// http://www.latlong.net/place/statue-of-liberty-national-monument-new-york-usa-2122.html
var statueOfLiberty = ol.proj.fromLonLat([-74.044502, 40.689247], 'EPSG:3395');

// cs2cs:
// $ echo -74.044502 40.689247 | cs2cs +init=epsg:4326 +to +init=epsg:3395
// -8242596.26	4938749.70 0.00

// ol3:
// console.log(statueOfLiberty);
// [-8242596.2586815255, 4938749.700919494]

var map = new ol.Map({
  layers: [
    new ol.layer.Tile({
      source: new ol.source.XYZ({
        url: 'http://vec01.maps.yandex.net/tiles?l=map&x={x}&y={y}&z={z}',
        projection: 'EPSG:3395'
      })
    }),
    new ol.layer.Vector({
      source: new ol.source.Vector({
        features: [
          new ol.Feature({
            geometry: new ol.geom.Point(statueOfLiberty)
          })
        ]
      })
    }),
  ],
  target: 'map',
  view: new ol.View({
    center: statueOfLiberty,
    zoom: 15,
    projection: 'EPSG:3395'
  })
});