Hi Simon, As Alberto Luaces said, there is an external library for OSG to support various polygon technologies, osgModeling ( http://code.google.com/p/osgmodeling/) is completely new work and not familiar to others. But there have been already Bezier, NURBS, extrusions, revolutions (constructed by a profile rotated specified angles) and lofts (constructed by lofting a series of curves that define the cross section on a specified path) functions, also the boolean operation based on BSP tree of geometries.
A future version will conclude the subdivision function (Loop and Sqrt3, and easy to add more) and a new NormalVisitor with 6 methods to calculate the weights and generate normals. It will be released in 1-2 weeks but you could check out the SVN version now. Hope it will help if you have a similar plan. The project is LGPL and you may use it freely, although tons of bugs in it at present. :) Wang Rui 2008/11/8 Simon Hammett <[EMAIL PROTECTED]> > For me Geometry handling and generators. > > I've spent part of today writing a generalised extrusion function but I'd > be highly > surprised if this hasn't been done 10,000 times already. > > I couldn't find such a function in osg. > > If it is there, then maybe you could get your students to help with > the documentation in the code and on the website. ;) > > Also a high level CSG library would be fantastic. > I'm doing CAD stuff and it would be so much faster if I could just specify > things like 'intersect a cylinder with this box' > > This might be relatively straight forward, if the CSG library generates > meshes to feed to: > > http://gts.sourceforge.net/ >
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