Maturity

600K polygon model of church ruins produced by a laser-scan of the archaeological site.

A few years ago, the Japanese NICT had given us a 76MB laser-scanned model of a church ruin, with the challenge of bringing it into Croquet without bringing the system to its knees. Josh worked with David Smith to use vertex buffers on the graphics card, instead of uploading the mesh for each frame. We also had to manually defeat picking/falling and such. But we go it.

The other night I was watching a science program on television where they were talking about such archaeological models. I wondered how the church would do in today's commercial Forums. All 600,000 polygons ran beautifully and quite fast.

I had some trouble getting the 10MB ase.zip onto our company's conventional Virtual Private Network, but no problems at all transferring between secure Internet forums. David has recently worked out how to keep such immutable mesh data outside the Croquet island, so that it is shared and reused between collaborations. The result is nice tight islands that you can join quickly. Typically on the order of half a megabyte for our collaborative workspaces.

It was gratifying to just see something cool on television, and tell my kids, “Hey, we can do that!” And then have it all just work.
posted at 10:31:12 on 11/24/07 by Stearns - Category: General

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