Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
WALSAIP: Wide Area Large Scale Automated Information Processing
Information Rendering System
Level of Detail
Review available terrain rendering LOD techniques, with interested in:
Top-down (refinement or subdivision algorithm)
Bottom-up (simplification or decimation algorithm)
Triangulated Irregular Networks
Quadtree: a rectangular region recursively subdivided into four uniform quadrants.
Bintree (Binary triangle tree) : a rectangular region is recursively subdivided into two triangles.
Survey of Algorithms
Quadtree technique that work on blocks of uniform detail
Simplification based on vertex removal
Selection based on worst-case view parameters
Eliminates cracks by changing vertex connectivity at the block boundary
Frustrum Occluded Cluster
ACL = Active Cluster List
A multi-resolution mesh formed by combining nested concentric grids center about the view position
*points of interest for the WALSAIP-VTE project