Nonlinear Magnification Fields
T. Alan Keahey and Edward L. Robertson. Nonlinear
magnification fields. Proceedings of the IEEE
Symposium on Information Visualization, IEEE Visualization,
October 1997.
- Abstract:
- We introduce nonlinear magnification fields as an
abstract representation of nonlinear magnification, providing
methods for converting transformation routines to magnification
fields and vice-versa. This new representation provides ease of
manipulation and power of expression. By removing the
restrictions of explicit foci and allowing precise specification
of magnification values, we can achieve magnification effects
which were not previously possible. Of particular interest are
techniques we introduce for expressing complex and subtle
magnification effects through magnification brushing,
and allowing intrinsic properties of the data being visualized
to create data-driven magnifications.
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T. Alan Keahey
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