Flash Earth ...satellite and aerial imagery of the Earth in Flash. KML 2.1 Tutorial. Working with Regions Regions are a powerful new KML feature that allows you to add very large datasets to Google Earth without sacrificing performance. Data is loaded and drawn only when it falls within the user's view and occupies a certain portion of the screen. Using Regions, you can supply separate levels of detail for the data, so that fine details are loaded only when the data fills a portion of the screen that is large enough for the details to be visible.
Note: In KML, some classes are derived from a "parent" class. The term Feature refers to any KML element that is derived from Feature: Document, Folder, GroundOverlay, NetworkLink, Placemark, and ScreenOverlay. See the KML Reference for a diagram showing inheritance within KML elements. Key Concepts Any Feature can contain a Region. This section describes the following key concepts that are necessary to understanding Regions: Bounding Box A Region has a <LatLonAltBox> that defines a bounding box for your data. Level of Detail (LOD) Code: Google Earth KML Tutorial. Tip: To see the KML "code" for a feature in Google Earth, you can simply right-click the feature in the 3D Viewer of Google Earth and select Copy.
Then Paste the contents of the clipboard into any text editor. The visual feature displayed in Google Earth is converted into its KML text equivalent. Be sure to experiment with this feature. All of the examples described here are in the KML Samples file. Begin by downloading that file to view the examples in Google Earth. For More Information The KML 2.2 Reference provides details about the KML file format.
For a discussion of how to use some of the key features in KML, see the Developer's Guide. The simplest kind of KML documents are those that can be authored directly in Google Earth—that is, you don't need to edit or create any KML in a text editor. Placemarks A Placemark is one of the most commonly used features in Google Earth. Open the KML Samples file in Google Earth and expand the Placemarks subfolder. <? An XML header. <? Ground Overlays. Using XSL to Transform Google Earth (KML) and GPX to Google Maps API - Mark McLaren's Weblog.
Create Google Earth KML Files - Convert Latitude/Longitude to KML - AndrewDavidson.com. Use this simple Google Earth KML Creator to create a KML file from latitude/longitude or address/zip combinations. You can also choose the name, description, icon to display as well as other settings. Usage Hints You should enter either a latitude/longitude pair or an address/zip pair so that Google Earth can locate your KML properly.
The latitude/longitude can be in almost any format as long as latitude is first and longitude is second. You may specify negitive/positive degrees, or use NSEW notation. Address/zip are geocoded by Google Earth, so the exact location may not be exactly correct. For most accurate placement, use latitude/longitude. Google Earth & KML Links Comments? If you have any comments or suggestions, you may email me at AndrewDavidson {at} AndrewDavidson {dot} com, or use my Feedback Form if you prefer. All trademarks mentioned are the property of their owners.