How to display direction of track with arrows using OpenLayers

[المشرف العام]

I would like to display track on the map using OpenLayers in the way like this: http://jsfiddle.net/DR/hgCUq/1/light/

How to show direction of the track with arrows here? Any other approach would be great as well.

I googled https://github.com/Sirtrack/PointTrackWithArrows but this project looks buggy and conflicts with OpenLayers.Layer.PointTrack



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