3 ms·
Here's prior art from 1997 (with a bunch of reference to earlier work): https://graphics.llnl.gov/ROAM/roam.pdf https://graphics.llnl.gov/ROAM/roam.pdf
by DarkMurk 12y ago
Here's prior art from 1997 (with a bunch of reference to earlier work):
https://graphics.llnl.gov/ROAM/roam.pdf https://graphics.llnl.gov/ROAM/roam.pdf
- bsenftner 12y agoI was gonna say "1999? That's awfully late for a subdivision modification patent. Sub-D modeling was already popular at that time." Besides, one can sidestep such a patent through a surface definition transform: got polys? convert to a parameterized representation and then re-tesselate to the desired sub-d form.