gvSIG-Desktop 1.12. User manual

• General: This provides information about:
  • "Fields": The text box shows all the fields of the table being worked on.
  • "Type": Access to commands depends on which check box is activated.
  • "Commands": These are the operators which allow expressions to be constructed to perform the calculations required.
• Advanced: A search box may be opened to look for an expression saved in a file.

Once the file has been selected, click on the “Evaluate” button to find out whether the expression is correct or not.

NB. The expressions must be written in Python programming language.