[IGSTK-Users] Displaying SpatialObjectRepresentation depending on the validity of the associated transform

["Hyungmin Kim"]

Hi all,





I just found out that there would be a way to display SpatialObjectRepresentation depending on the validity of the associated transform.





"If a SpatialObjectRepresentation finds that the Transform of its associated object has expired by the time it needs to render its appearance in the scene, then it can decide not to show that particular instrument, or to flag it in blinking mode, or in a special color." from page 67 of IGSTK: The Book.





Can anyone help me how to use this functionality?


I just want to check the validity of the transform by displaying it with special color.





Thanks
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