Currently there are two ongoing efforts to create a C++ wrapper for BRL-CAD.
First, there is my project (supported on code contributions from TNO)
to write the C++ layer right on top of the core functions (mainly
provided by librt). This way I want to
- create an easy to use interface which
- is not effected by changes to the inner (librt etc.) structures,
- is fast and
- acts as a reference on how to use BRL-CAD's core functions.
This interface shall be used in other fast running programs. One
problem which arises then is the decision about the owners and live
times of the objects. I don't want to use memory allocation or string
comparisons in simple operations. A solution is the use of call backs
(which may look ugly for some people). Well, we will see how far I
will go with this.
The other C++ interface project is part of iBME (Integrated BRL-CAD
Modeling Environment) with David Loman as the main developer of its OO
design. It will use BRL-CAD via libged's command-line like interface.
There I would like to know more about the reasons for the design.
What are the intended applications?
In my opinion these two projects are trying to develop different
layers on BRL-CAD (iBME a more abstract, higher layer than mine).
Maybe iBME's Geometry Engine could be based on my core interface.
Sziasztok,
Daniel
PS: Both projects have a wiki-page on brlcad.org and their source code
can be found on brlcad.svn.sourceforge.net/brlcad/rt^3 at
include/brlcad, src/coreInterface or src/iBME respective.
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