id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
33	changing threshold can cause the UI to freeze	diane	diane	"For larger datasets, the length of time it takes to recompute the nway comparison can be non trivial. So if you increment through each threshold value it takes a long time to compute one, and then when it finishes starts to compute the next before the user can do anything.

Basically the nway recomputation needs to somehow be non-blocking."	defect	closed	major	Standing on our heads	Qt Gui		fixed