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Description: C. Hartman and A. W. Brody, “Navigating space by drawing,” presented at the Photonics West 2001 - Electronic Imaging, R. F. Erbacher, P. C. Chen, J. C. Roberts, C. M. Wittenbrink, and M. Grohn, Eds., San Jose, CA, May 2001, pp. 251–258. doi: 10.1117/12.424936.