Re: [K3d-development] Problem with face orientation on STL file

[Bart J. <bar...@li...>]

On Tue, Aug 25, 2009 at 5:07 AM, Timothy M. Shead<ts...@k-...> wrote:
> Answer: the latter approach is too low-level.  Yes, it is simpler and can be
> rendered, but it is a false simplicity: it causes significant headaches for
> modeling operations because many operations (think BevelEdges) will produce
> incorrect results.  Consider a simple use-case in a world without shells:
> calculating the volume of a mesh (this isn't a made-up example,
> GTSMeshVolume already exists to do this).  Without shells, how will you know
> which parts of the volume are voids?
>
> The moral: explicit is better (and truly simpler) than implicit.

OK, I agree now :) I was thinking it is simple to find shells, and it
is. However, it is a whole lot more difficult to find out what shell
is inside another shell.

Maybe validate could be made to check if the shells are closed, if
there are multiple shells?

Cheers,

-- 
Bart