tag4dCompositing Tag. Basic Tag GI Exclusion Object Buffer ProRender. Tag Properties. Cast Shadows Receive Shadows. Sometimes it is useful to prevent objects from casting orTag4D Filter UI and How it works?: Once you have the script install and c4d is restart. To get the Tag4D Filter window to pop-up, go to your Extensions menu or Scripts(in older c4d's) menu, like the image below. The Tag4D Filter UI