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OGC KMZ (compressed KML) (*.kmz) (Google Earth)

KMZ files are zipped .KML files, which make them easier to distribute and share with multiple users.

An XML based language to represent and style geometry in 2D and 3D. Originally associated with Google Earth, it is now an OGC standard, officially named as the OpenGIS KML Encoding Standard (OGC KML). Represents 3D coordinates using Latitude/Longitude (WGS84).

If the SWD conatins more than one overlay the SIS Overlay dialog will be displayed:

Select the required overlay and click Next.

The Export Configuration dialog will be displayed:

The Export Configuration dialog allows you to configure export options including display settings, attributes and altitude settings.

Display

Ignore brush transparency

Check this tickbox to ignore the transparency setting and export the file with a brush transparency value of 0.

Simulate multi-level pens using Folders

Check this tickbox to store each of the levels of a multi-line pen individually in Google Earth. This allows any of the individual pen levels to be turned on or off.

Export Feature Attributes

Use Description elements

Check this tickbox to include only the Description element names (as in the Schema).

Include field names

Check this tickbox to include the field names for each of the Description elements.

Use SchemaData elements (i.e. structured data)

Check this tickbox to maintain the data type in the Exported file. Google Earth does not use this "typed" information but it could be required if the exported file is to be used by other applications.

Use Data elements (i.e. unstructured data)

Check this tickbox if it is not necessary for the data type information to be preserved in the exported file.

Altitude settings

Clamped To Ground /Relative To Ground /Absolute

Click the appropriate radio button to determine how the Z values are to be handled.

Tessellate line strings

Check this tickbox to add points along the Linestring to make it follow the terrain.

This function is intended for use with the Clamped To Ground option and is not generally used with the
Relative To Ground or Absolute options.

Extrusion &Value

This function is available when Relative To Ground or Absolute are selected.

Select a Height column from the drop-down box that contains a value for each object in the overlay to be used as an altitude to extrude the object into a 3D view.

On completion of the Export Configuration dialog click Finish.

The output KMZ file will now be generated.

The complete specification for OGC KML can be found at:

http://www.opengeospatial.org/standards/kml/