\item[Alpha determines radius] use alpha to define the amount of blur to apply. (radius=gray value of alpha)
\item[Blur alpha, red, green, blue] specifies which color channels is to be blurred.
\end{description}
+If you are getting confusing results, please click on the \textit{Reset} button in the dialogue/controls popup box and re-enter your desired values.
\subsection{BoxBlur}%
\label{sub:boxblur}