template/html/d3-graph.js
function getElementCoords(element)
   {
      var ctm = element.getCTM();

      return { x: ctm.e + element.getAttribute('cx') * ctm.a, y: ctm.f + element.getAttribute('cy') * ctm.d };
   }
function getElementCoords(element)
   {
      var ctm = element.getCTM();

      return { x: ctm.e + element.getAttribute('cx') * ctm.a, y: ctm.f + element.getAttribute('cy') * ctm.d };
   }
Pass in the element and the screen coordinates are returned.

@param element

@returns {{x: number, y: number}}