3D Shape-Based Retrieval and Analysis Parallel Rendering With a Network of PCs Acoustic Modeling for Virtual Environments Scalable Display Wall Nonphotorealistic Virtual Environments Hybrid Geometry- and Image-Based Modeling and Rendering Interactive Architectural Walkthroughs Radiosity Lighting Simulation Multi-User Virtual Environments 3D User Interfaces for Exploring WWW Data Consistent Solid Models from Arbitrary Polygonal Data