Alex, Apologies on taking so long to reply! We've been working for months on matters directly related to NURBS, among other activities, and I've been particularly lagging on the communications front as you can tell. More on NURBS progress later, though, as that's been a major project with major progress recently..
As you move beyond the initial tutorials on the website, you'll find much of the documentation is provided via extensive manual pages. If your MANPATH is set up properly to point to the BRL-CAD manual pages, you can type "man rtweight" to get a description of how to use the tool. Alternatively, you can run "brlman rtweight" (outside of mged of course) where we set the path up for you. You'll find manual pages on most of BRL-CAD's 400+ applications. As noted in rtweight's manual page, the .density file is a pretty simple format. It must contain lines with the material number, density in g/cc, and material name, each seperated by some white space. There is already support for extrusions. You can directly create or import a 2D sketch and then create a linear extrusion that turns that sketch into a 3D solid. We do not yet have support for arbitrary sweeps along spline paths, though. Cheers! Sean On Jul 18, 2009, at 11:39 PM, Alexandre Pereira wrote: > Hi Forum > > I am a new user of BRL CAD, which I will use mainly for engineering > applications like 3d model building for CFD/FEA work. > > I have already ran the tutorials of the documentation... but i > still have some doubts... for instance.. what should be the > format and content of my .density file in order to rtweight to work > properly....? > > Where can i find a desciption of the applications compiled with BRL- > CAD, like rtxray, rtrange, rtrad, rttherm, etc... ? > > Is there ( in a near term release ) the possibility of modeling a > loft like in ProE, or an extrusion along a path...( sort of a pipe > with arbitrary section...) or a bezier/NURBS support ? > > Best regards > > > Alex ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ BRL-CAD Users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/brlcad-users
