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Editorial Team
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Asked: 2026-06-06T23:57:21+00:00

I use the Google Maps Javascript API v3 for calculating the directions from my

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I use the Google Maps Javascript API v3 for calculating the directions from my current position to my end destination in an iPad PhoneGap Application.

Now I want to make a function which automatically recalculates the directions, if you take the wrong lane. That means, I will make a marker for the current position on the map and then should check if it’s near the directions-polygon, if not recalculate the route.

The directions are printed out in a canvas-element and I couldn’t find anything how to compare it with my markers…

Any idea?

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1 Answer

  1. Editorial Team

    The following line works. Just set the tolerance as desired.

    google.maps.geometry.poly.isLocationOnEdge (point, polyline, tolerance)

    It will return true if point is located in the polyline/ polygen. Let me know if tyhis doesn’t work.

    axs

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