All Rights ReservedTo Ila, for providing infinite inspiration and distraction. i ii ACKNOWLEDGMENTS I would like to thank first of all the members of my committee for their advice and support throughout my time at the University of Wisconsin, especially my advisor, Michael Gleicher. Without you, this work would not have been possible. I thank everyone in the Graphics Lab, past and present, for many lively discussions and for helping me work through a thousand thorny issues. I thank especially Rachel Heck for going above and beyond (and sacrificing a Saturday) in helping finish my first Vis video. I thank my friends and family for never questioning the value of all this education, for encouraging me along the way, and for providing the many good times that I’ll remember long after I’ve left Madison. I thank my wonderful wife Ila for a thousand acts of generosity: for making me dinner when I didn’t have time to feed myself, for rubbing my neck when I was stressed, and for making me laugh when I needed it most. Also, I thank her for never shying away from telling me when I wa
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