gvSIG-Desktop 1.1. Manual de usuario.
The following symbol configuration options are available:
Classification field: A pull-down menu appears in which you can select the layer’s table of attributes’ field which contains the data to be sorted.
Add all/Add: Once you have selected the “Classification field”, click on the “Add all” button to see all the different values. These values have all been assigned a different symbol (colour). Click on these symbols to modify them. By default, the label (the name which appears in the legend) is similar to the value it has in the field. You can include new values to the list by pressing the “Add” button.
Remove all/Remove: This allows all (Remove all) or some (Remove) of the elements in the legend to be removed.
Labels: Left click on any of the “Label” “cells” to modify the name they will have in the legend.