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KML Extensions in Google Earth 5.2 -Video

Google Earth 5.2‘s one of the most exciting features from a developer standpoint is the “KML extension,” <gx:Track>. “We wanted a better way to represent movement on and above the globe. Time animation works well, but from a KML standpoint it required very bulky files. In order to “move” a <Point>, you created a new <Placemark> for each time segment. Your <Point> didn’t actually move, it merely was replicated at a different place. This made animating your path rather cumbersome. Instead, we wanted a smoother experience, and one that allowed you to truly animate a <Geometry>. So, we created <Track>,” explains Google. To get a real sense of the power of <Track>, check the video below:

Full Text: Making Tracks: New KML Extensions in Earth 5.2

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