On Mar 7, 2015, at 12:15 PM, benson chepkwony <bchepk...@att.net> wrote:
> I downloaded BRLCAD 7.24.0 binary for Windows OS and I could not find some of
> these Libraries that I am suppose to work with:
That’s the problem. A binary distribution is the resulting compilation. You
need source code. You should download from our subversion repository if you
plan to do any development.
> I would like to test ray tracing for performance especially the NURBS, then
> profile while it executes.
> Where can I get a test case to run BRLCAD?
The “rt” tool is our main ray tracer; it’s a command-line tool. The “mged”
and/or “archer” applications will give you a graphical environment for working
with geometry. The "3dm-g” tool will convert geometry from the .3dm file
format to our .g format, and they’re usually NURBS models.
If you run 3dm-g on some model you find on the web (e.g., grabcad), you can
open the resulting g file with archer or mged and the rt command (inside
mged/archer or outside) will ray trace it. The saveview mged/archer command
will make it easier to profile on the system command line.
> I would like a test case that will call or that uses NURBS ray tracing, NURBS
> Intersection etc.
For NURBS intersection, you’ll actually have to perform some Boolean operation
on a NURBS model (e.g., subtract something). To learn how to do that, you’ll
want to consult the MGED tutorial series, available on our website under
Documentation.
Cheers!
Sean
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