Authors Morten Engell-Nørregård, Sarah Niebe and Kenny Erleben ( 2010 )

Abstract Joint–limits are often modeled too simple, causing redundancy and allowing unnatural poses. We model the boundary of the feasible region, using a geometric approach. We show how to generate fast, general joint–limit cones for kinematic figures using signed distance fields. The distance–cone joint–limits can support highly nonconvex joint–limits. The join–limit geometry is easily edited by an animator, either by adding or moving pose samples or sculpturing the distance–cones.

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