Compressing 3D Surface Data for Visualization and Manipulation

Wire frame displays of compressed models according to color and curvature
　

Without compression 7855910 (unit k byte)

edge map color contrast The degrees tolerant for approximating arc by chord curvature resolution x ratio of curvature y ratio of curvature
30 60 90 120
30 7240435 7062783 7023727 6777973 1
6792398 6728568 6724880 6719867 3
6728583 6722205 6720275 6719367 6
6723000 6719577 6719275 6719065 9
6719977 6719065 6719275 6718973 12
60 4046809 4038234 4037054 4034128
90 3193009 3182237 3180016 3178493
120 3030897 3018797 3016578 3015029