Luciad Developer Platform

If you want to switch to a different feature style when a user selects a feature, you have 2 options:

Set the selected flag of the PaintState in the paintBody or paintLabel methods of the FeaturePainter. See the Visualizing and styling feature data tutorial for an illustration.
Use the addSelection function of the FeaturePainterUtil module to add selection behavior to your FeaturePainter. Although this option limits your choices, it’s a quick and easy way to equip a FeaturePainter with selection behavior.

Style selected features differently