Google Maps Arrowed Polyline demo Here is an arrowed polyline demo. The arrowed polyline shows arrow marks along its length at a fixed pixel interval regardless of zoom. Constructor for the Arrowed Polyline is as for GPolyline + 5 extra parameter specifying 1) the gap between the arrows heads in pixels, 2) the length of the arrow head sides in pixels, 3) the arrow head color, 4) the arrow head thi