If you want to break it by GStep, observe that each GStep has a
.getPolylineIndex()

So: obtain the polyline
  var poly=dirn.getPolyline();
and read the Vertex corresponding to the start of this GStep
  var point = poly.getVertex(step.getPolylineIndex());


If you want to break it into sections of equal length, then grab a copy
of EPoly and use poly.GetPointAtDistance()

http://econym.org.uk/gmap/epoly.htm

-- 
Mike Williams
http://econym.org.uk/gmap



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