Until now, we have covered various examples involving markers, polylines, polygons, i.e. creating overlays. We have also seen other examples to remove overlays! We will now move on to some other concepts. Today we will have a look at what KML is and how to create a KML layer! Let us first understand what KML is and why is it necessary. KML stands for Keyhole Markup Language which is an XML schema for expressing geographic annotation and visualisation within 2D maps and 3D Earth browsers. The KML file specifies a set of features (place marks, images, polygons, 3D models, textual descriptions, etc.) for display in Google Earth, Maps and Mobile, or any other 3D Earth browser (geobrowser) implementing the KML encoding. Each place always has a latitude and a longitude. Other data can make the view more specific, such as tilt, heading, altitude, which together define a "camera view". ...
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