Fixed error

There was an error where when switching from the spot pattern to the
bar graph pattern, the visuals suddenly become incredibly infrequent.
That was because the spot pattern does multithreading locking in terms
of individual spots aka columns times rows. The bar graph locks on the
column level so that another one doesn't get generated in the same
group of space. Anyway, the lock wasn't clearing properly so I overrode
that by just setting it to equal a new object