Additionally, freeform tables have two special kinds of attributes:
To set default values for a freeform table, click on the freeform table and open the freeform table's attribute table, shown next.
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To provide a cell expression and set any individual cell values:
From the freeform table's menu choose:
edit cell expression to provide an expression and, optionally, set evaluation settings.
edit cell format to set formatting attributes).
To add and delete freeform table rows and columns:
Choose the other edits menu option.
edit cell expression option from the freeform table's menu. G2 updates the expression that a freeform table cell displays only when it changes. If you are displaying a parameter value, for example, that value may only change when an event update occurs.
Using evaluation settings, you can optionally configure either the entire freeform table or an individual cell expression to use scanning, event updating, and data seeking, to name just some of the evaluation options.
Several expression examples are:
the status of tank-2
the current time; evaluated every 2 seconds
the level of tank-2; evaluated with these settings: may-request-data-seeking is true; scan-interval is 4
Note: You cannot refer to the values of expressions in freeform tables.