By using a procedure known as pasting, detailed features are added to
composite spline surfaces in a multi-layered fashion by means of an
efficient displacement scheme. The feature orientation is arbitrary,
and the underlying domains may be partially overlapping and non-linearly
transformed. As a result, this technique allows us to model surfaces by
interactively changing displacements, control vertices, or the domain layout.
In this talk, I'll talk about the user interface for surface pasting, with focus on two techiques: domain user interface and world space user interface.
Check http://cgl.uwaterloo.ca/~lkychan/research/research.html for more info.