hi! no thats not possible yet. but maybe theres some info for you:
trackers with controlable loop-points
http://www.renoise.com/board/index.php?sho…ic=8749&hl=
hottest discussion:
http://www.renoise.com/board/index.php?sho…ic=2464&hl=
FR’s:
http://www.renoise.com/board/index.php?sho…862&hl=loop
http://www.renoise.com/board/index.php?sho…806&hl=loop
http://www.renoise.com/board/index.php?sho…ic=6934&hl=
http://www.renoise.com/board/index.php?sho…ic=8686&hl=