User's Guide to the GaeaVE Class Editor

The Class Editor allows users to examine the attributes of each data class within Gaea, create new classes, either from scratch or as a modification of an existing class, or change the name or type of any attribute within a class. The Class Editor interface looks as follows:

• To Examine the attributes of a data class, type in a class name (e.g. "landsattm") and click on Load.

  

• to Edit an existing attribute, select it, and click on Edit.

  

  Then use the Attribute Type/Name boxes to change the type and/or name of the attribute, The button in the Attribute Type box will bring up a menu of currently defined attribute types.

  

  Finally, click on Add/Save to save the attribute.

  

• To Delete an attribute, select an attribute. and click the Delete button.

  

• To Create a new class, type in the name and click on Load.

  

  Use the Attribute Type/Name boxes to edit all of the attributes for the class.

  

  Finally, click on Save to save the class definition to the database.