google maps api 3 - Add Markers Along a Route

Question

I am trying to create several markers along a route from google maps directions. I have already looked into waypoints as an option but based on my understanding of the documentation on it, it creates the route from point A to point B and passes through the waypoints that you set in order to get from point A to point B. I don't want my route to be calculated based on predetermined waypoints. I want a predetermined start and end point, with my waypoints calculated based on a distance on the map. For instance, a marker created every so many miles along the route. Would waypoints do this? If so, any examples of where that has been done?

Any suggestions?

Answer 1

As Andrew told waypoints wouldn't do it.

You don't have predefined points for the route (like the example), so what you can do is:

A direction consists of points defined by route->overview_path, what defines the polyline for the route.

So you may walk this path, calculate the distance between two path-points using google.maps.geometry.spherical.computeDistanceBetween() and create the marker when the desired distance has been reached.

Here is an implementation of the suggestion: http://jsfiddle.net/doktormolle/eNzFb/

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Please Note: this answer is obsolete. You better use the built-in IconSequence instead.