Generalized Coon?s Patches with Applications to Design and Visualization
We introduce a generalization to the classic( bi-cubically blended) Coons Patch; one that extends the patch to any number of sides. The resulting N-sided patch continues to interpolate the underlying curves, but the curves may form any topological network -- as opposed to rectilinear networks for Coons. The consequent surfacing scheme maintains G1 continuity across the boundaries between patches.

Advantages of this technology are illustrated specifically for (1) freeform design and (2) scientific visualization. In (1) we create a curve-based design scheme, which frees the user from topological constraints. In (2), we create a marching-cubes like algorithm that uses the N-sided patches, instead of planar segments. The result is a smoother looking, more highly compressed visualization for iso-surface rendering as in the figure below, which shows a CO2 sequestration iso-surface in water.
Alyn Rockwood (Boulder Graphics)
Fr. 20.06.2014, 13:00 c.t. , G29-R335
Recent news:

Research Seminar Announcement

In the course of the Visual Computing research seminar Dr. Helena Jambor from TU Dresden will give a talk with subsequent discussion about the topic Biological images: then, now and in future.

We would like to invite everyone interested to join us. The research seminar will take place on Friday 22.06.2018, 13:15 in G29-R335.

To the overview…