Hey, Lutz,

Thanks for the reply - I can often get a little wordy without expressing my
delight with being able to work with a really cool software package like
you've written. Sorry for that - I'm just a little too eager to express my
opinion sometimes... Moray is really an asset to the raytracing world with a
bright future!

Lutz Kretzschmar <lut### [at] stmuccom> wrote in message
news:dir3ls0c3s7ur18pugpfn92nsm7ln96ol7@4ax.com...

> All these things are well suited to a triangle based modeller, a
> modeller that works with meshes. It is very difficult (if at all
> possible) to make solid geometry modeller (like Moray) do this.

Interesting. I use this feature (slicing) in AutoCAD all the time when I'm
creating models. It uses the solid-based ACIS engine, albeit an old and
clunky version, not a surface/polygon paradigm. In addition to being able to
slice primitives/solids, it can union, subtract, and difference, as well as
a multitude of other editing options. BTW, its not parametrically based, so
coming back and editing these changes is next to impossible. Thus the
advantage of your CSG method. I guess I thot that solids were actually
easier to do this sort of thing with than surface triangle/polygon models.

Anyway, thanks for listening to me ramble... & for being so open to our
thots as users...

-Kelly
(kla### [at] usacom)

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