Smooth and Efficient Zooming

uw space: u = pan, w = zoom
horiz axis: cross-section through objects
point = camera at height w above object
path = camera path



[Smooth and Efficient Zooming and Panning. 
Jarke J. van Wijk and Wim AA Nuij. Proc InfoVis 2003. 
http://www.win.tue.nl/~vanwijk/zoompan.pdf]


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