[demo] reproyeccion coordenadas proj4s

by Francisco

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/proj4js/2.4.3/proj4.js"></script>
<div id="mySpan">

</div>

JavaScript

proj4.defs("EPSG:25830", "+proj=utm +zone=30 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs");


var source = new proj4.Proj('EPSG:4326');
var dest = new proj4.Proj('EPSG:25830');
var p = {
  x: -6.96690,
  y: 37.183036,
};
var result = proj4(source, dest, p);

let urlMapea = 'https://mapea4-sigc.juntadeandalucia.es/?projection=EPSG:25830*m&zoom=14&center=' + result.x + ',' + result.y + '*true&label=Punta&nbsp;UmbrĂ­a';

console.log(urlMapea);
//alert(urlMapea);
document.getElementById('mySpan').textContent = urlMapea;