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I use pgrouting and openstreetmaps .I would like to know if there is a way to show the direction of the route on the map (eg something like this ---->---- or any other way,idea)

Thanks in advance.

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do you want to use a specific GIS? – underdark Sep 28 '12 at 18:35
I use openlayers – john Sep 29 '12 at 17:13

It depends what you use to render your map.

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