title: Geodestic measures in OL 5?
body: <p>This example, url below, uses OL-3 with an option to do geodestic measures uses "var wgs84Sphere = new ol.Sphere(6378137);"</p>
  
  <p><a href="http://www.rhone-mediterranee.eaufrance.fr/milieux-aquatiques/poissons/js/openlayers-v3.19.1/examples/measure.html" rel="nofollow noreferrer">http://www.rhone-mediterranee.eaufrance.fr/milieux-aquatiques/poissons/js/openlayers-v3.19.1/examples/measure.html</a></p>
  
  <p>How can I set the same variable ("wgs84Sphere") to be used by OL version 5?!</p>