Documentation | Help File | UI | 2D Mode | Menu | Data | Set column value
Clicking on the Data/Set column value menu item provides the means for setting the same value of a chosen attribute for all shapes belonging to a vector layer.
To set the same value of a specific attirbute for all shapes in a vector layer
Layer/Show attributes table menu item - this invokes the Data panel with the attribute table of the active layer.Shape/Set column value menu item - this invokes the Set column value dialog box.Set column value dialog box, select the attribute from the Fields list.Value field.Selected only option.OK button.