Resolution Modeling

Very large graphics models are common in a number of application, and many different simplification methods have been recently developed. Some of them support the construction of multiresolution representations of the input meshes. On the basis of this innovative techniques, we foresee a modeling framework based on three separate stages (shape modeling, multiresolution encoding and resolution modeling), and propose a new approach to the last stage, resolution modeling,which is highly general, user-driven and independant on the particular simplification approach used to build the multiresolution representation. The approach proposed is based on a new representation scheme, the Glued Multiresolution Model (GMM), and a set of kernel functionalities which operate on the GMM to support: a) efficient extraction of fixed resolution representation, b) unified management of selective refinement and selective simplification, c) easy composition of the selective refinement/simplification actions, d) guaranteed Co continuity of the variable resolution mesh produced, and e) interactive response times. The purpose of resolution modeling is not limited to visualization speedup, but it also supports interactive modeling of detalis and allows the specification of "semanthic" views of the data. A prototypal resolution modeling system has been implemented and evaluated on several practical models