Shadowed hedgehogs: a technique for visualizing 2D slices of 3D vector fields

Authors:
R. Victor Klassen;Steven J. Harrington
Affiliations:
Xerox Webster Research Center, Webster, NY;Xerox Webster Research Center, Webster, NY
Venue:
VIS '91 Proceedings of the 2nd conference on Visualization '91
Year:
1991

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Abstract

The technique of placing directed line segments at grid points, known as hedgehogging, has been used for some time as a tool for visualizing two dimensional vector fields. We provide a means of rapidly rendering a slice of a three dimensional field, suitable for a bilevel display. Shape and shadowing are used to disambiguate orientation. Liberal use of lookup tables makes the technique very fast.