<[EMAIL PROTECTED]> wrote: > hi if I have an array > > say x = [[2,2,0,0,1,1], > [1,1,0,0,1,1], > [1,1,0,0,1,1]] > I basically want to group regions that are non zero like I want to get > the coordinates of non zero regions..as (x1,y1,x2,y2) > [(0,0,2,1),(0,4,2,5)] which show the top left(x1,y1) and bottom > right(x2,y2) corners of each group.hope i am clear. > > Thanks
I guess you imply rectangular regions only ? If not, what's the output supposed to be for [[2,2,0,0,1,1], [1,1,3,0,0,1], [1,1,3,0,1,1]] or [[2,2,2,2], [1,0,3,3], [1,1,3,0]] George -- http://mail.python.org/mailman/listinfo/python-list
