On Jul 17, 2014, at 1:08 PM, Gurwinder Singh Bains wrote: >> I am trying to render my BRL-CAD model into POV-ray.
>That's fun! I've wanted a g-pov for nearly two decades. They're one of the >few systems that we can actually talk CSG ... <snip> >> So I started studying this. I'm taking help from g-stl.c file, g-vrml.c file. >> I wrote man page for g-pov. >> http://ctrlv.in/359073 >> As there are so many variables declared in stl, vrml converter's files >> which are difficult to understand. How to proceed in this? >I would NOT suggest using g-stl or g-vrml as a learning point. Those are >polygonal formats. Yes. But I studied these files for understanding that how they take BRL-CAD model through variables. But yes, its difficult to under stand this. So stop going through these files. >Povray understands *objects* -- i.e., a BRL-CAD ellipsoid described by 3 >vectors is an ellipsoid with 3 vectors to Povray too, so it >would be bad to >turn that 3-vector representation into a set of polygons approximating an >ellipsoid. They certainly don't have all the >primitives that we have, but >they do have many, maybe even most. >I suggest looking at something like the g-xxx.c or vdeck converters. The >first is specifically an example converter -- that should >actually work and >is heavily commented -- that demonstrates traversing geometry while having >awareness of primitive types. The >latter is an even more complicated >converter, but similarly is aware of primitive types and writing out object >data to different files (basic >usage is interactive, run "vdeck moss.g" and >at the vdeck> prompt, run "insert all.g" and "deck" and "quit", then look at >the solids and >regions files). >Cheers! >Sean Thanks for your reply. I am studying g-xxx.c file and trying to understand the code. :) Smile On!! Gurwinder Singh Bains ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ BRL-CAD Developer mailing list brlcad-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/brlcad-devel
