KML: An International Standard

As Michael T. Jones describes in his foreword to this book, KML was originally created in 2001 by a company called Keyhole as the data format for its Earth browser named Earth Viewer. Since that time, KML has evolved to its status as an international standard for presenting geographic information visually. Its official name is the OpenGIS KML 2.2 Encoding Standard (OGC KML), which is controlled by the Open Geospatial Consortium (www.opengeospatial.org/standards/kml/). At present, tens of millions of KML files are shared on the World Wide Web.

For consistency and simplicity, this book displays most KML examples using Google Earth, as shown in Figure 1-1. However, KML is now widely supported by a variety of ...

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