On Wednesday 31 January 2007 23:45, Curtis Olson wrote: > On 1/31/07, leee wrote: > > The RS3D format isn't included on the OSG website but I wouldn't expect > > it to > > be as doesn't just include surface type objects but also mathematical > > ones such as analytical solids. > > > > For example, think of a simple cylinder. As an analytical solid it is > > just > > defined by it's length and radius - there are no polygon surfaces as > > such. > > > > Of course, it could be converted but you'd have to decide before hand > > what resolution would be needed i.e. number of sides and this sort of > > situation doesn't fit well with automated conversion. > > I ran across a really interesting 3d model format yesterday ... this is > going to sound like a "Duhh!!!" statement, but let me explain myself ... > it's paper! > > My daughter's birthday is coming up and my parents gave her something early > since they won't be here for her actual party ... it was called "Foldin' > Art" and it included everything you needed to create a 3d puppy sculpture > out of paper. > > http://www.hasbro.com/default.cfm?page=ps_results&product_id=18368 > > This is a little above my daughter's age level so she dumped it in my lap > to assemble. > > As I'm putting it together, it occured to me that this is nothing more and > nothing less than a traditional computer 3d model ... textured even. It > was really fascinating how well it went together and how nice it looked > when it was done. > > Essentially this was a very low polygon model that approximated the > original shape very closely, and was textured very nicely ... the sort of > thing that takes a lot of skill to do ... especially when modeling organic > shapes. > > Now start unfolding the polygons and grouping them into smallish groups > (keeping the texture printed on the triangles/quads correctly). Where ever > you have to split up edges as you divide, unfold, and flatten the shape, > add a glue tab. This was done semi-intelligently so the model could be > assembled without breaking the laws of physics. > > It also occured to me that you could just about automate this process > entirely ... and create your own paper 3d models from nicely done low-poly > count models. > > I don't know, I thought it was really cool and I thoroughly enjoyed putting > the model together, but I often find myself in the minority on things like > this. :-) It was almost cool enough to be sucked into building a virtual > -> paper model converter ... hmmm .... > > Curt.
Just had a look at the link and my reaction was the same as your's - it's a low-poly 3d model. Clever stuff - I wonder how they developed it? ;) It looks as though there are a lot of four-sided polys in it, which is interesting as it gives some scope for curvature. LeeE ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
