leaflet - How to determine what terrain / map type a marker or point is on? -

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is possible leaflet.js or mapbox.js determine terrain / map type marker on.. example sea, land, road or buildings?

http://leafletjs.com/ http://mapbox.com/

if building own map tilemill, interactivity: http://mapbox.com/tilemill/docs/crashcourse/tooltips/ wouldn't necessary have have popup appear, instead use utfgrid key/value store indicate areas tapped on map.


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