Model

A 3-D object described in a COLLADA file (referenced in the Link field). COLLADA files have a .dae file extension. Models are created in their own coordinate space and then located, positioned, and scaled in Google Earth.

Google Earth supports the COLLADA common profile, with the following exceptions:

Google Earth supports only triangles and lines as primitive types. The maximum number of triangles allowed is 21845.
Google Earth does not support animation or skinning.
Google Earth does not support external geometry references.

Altitude mode

Specifies how the Altitude, in Location, is interpreted. Possible values are:

clampToGround » Indicates to ignore the Altitude specification and place the Model on the ground.
relativeToGround » Interprets the Altitude as a value in meters above the ground.
absolute » Interprets the Altitude as a value in meters above sea level.

Location

Specifies the exact coordinates of the Model's origin in latitude, longitude, and altitude. Latitude and Longitude measurements are standard lat-lon projection with WGS84 datum. Altitude is the distance above the earth's surface, in meters, and is interpreted according to Altitude mode.

Orientation

Describes the rotation of a 3-D model's coordinate system to position the object in Google Earth.

Heading

Rotation about the z axis (normal to the Earth's surface). A value of 0 equals North. A positive rotation is clockwise around the z axis and specified in degrees from 0 to 360.

Tilt

Rotation about the x axis. A positive rotation is clockwise around the x axis and specified in degrees from 0 to 360.

Roll

Rotation about the y axis. A positive rotation is clockwise around the y axis and specified in degrees from 0 to 360.

Scale

Scales a model along the x, y, and z axes in the model's coordinate space.

Link

Specifies the file to load and optional refresh parameters.

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Note: KML Editor may use Resource Map Aliasing when manupulating kml/kmz files.