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I have routes as Google Maps Polylines in my project (an example, http://rutasgdl.com/rutas/626-2 ) and I want to add direction arrows to the routes. I want something like this (sadly, it is for Google Maps V2) http://wtp2.appspot.com/ArrowLine.htm

Can you point me in the right direction in order to achieve this? Regards.

John Conde
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Jaec
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4 Answers4

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The Google Maps API now supports this natively (as of July 2012).

https://developers.google.com/maps/documentation/javascript/symbols#add_to_polyline

awmross
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I found a blog entry by Pavel Zotov, where he describes a way to add arrows to a polyline. The trick is to extend google.maps.OverlayView.

http://yab.hot-line.su/javascript/polyline-with-arrows-in-google-maps-api-v3.html

(I don't know if I can reproduce the code here, so I only post a link to the blog entry.)

Vincent
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    The above blog is now unavailable (forbidden 403 error). An alternative source is: www.wolfpil.de/v3/arrow-heads.html (again, license is unclear so I'm not sure if I can past the code in). – Kevin Aug 30 '11 at 21:38
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Here is the code from Bill Chadwick ported to v3

Enjoy!

https://docs.google.com/open?id=0B4WFC4iBvLilOHc1YTFnakFsdWM

Peter Bennett
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    Small bug in your code: strokeColor:this.color, strokeOpacity:this.opacity, strokeWeight:this.weight, Must be: strokeColor:this.headColor, strokeOpacity:this.headOpacity, strokeWeight:this.headWeight, – Jorrit Schippers Aug 28 '12 at 10:12
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The simple solution is use add a short line segment angled back 45 degrees to the end of the line. This thread is 10 years old but I still dont find a built in arrow to use in Google Earth. Bob Fontaine

Robert Fontaine
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