Further details about visualization definitions can be found in the concepts document.
You can overwrite the default values of daVinci if you supply rules for type "".
You can overwrite the default values of daVinci if you supply rules
for type "".
visual(add_rules(visual_rules))
This command has the same behaviour as the command visual(new_rules(...)), but it doesn't remove the visualization rules before adding the new ones.
This means, that rules for a type already present are overwritten and all
other rules are added to the visualization definition.
daVinci V2.1 Online Documentation - Page update: June 15, 1998