X Marks the Spot
Use a <Placemark> element to mark a point on the Earth’s surface. You can create a simple placemark—with a name, description, specific viewpoint, and location—with the user interface of an application such as Google Earth or Google Maps. This chapter takes you beyond the basics, so that you can create a KML file that adds special icons, more elaborate description balloons, and customized effects to your placemarks and tours.
In the “Hello, Earth” example in Chapter 1, you learned about the simple elements that make up a default balloon. You get this default balloon “for free”—that is, you don’t explicitly create a “balloon” element. However, if you want to customize a balloon, you need to create a <BalloonStyle> element, ...
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