R: [Plib-devel] Re: [Plib-users] Loading ASE file

[Paolo L. <p.l...@ci...>]

Should it be useful to anybody dealing with 2D/3D curves for paths,
trajectories ..., for a past project I found rather good libraries at

http://www.magic-software.com/MgcCurve.html

Different kind of curves, within good C++ class frameworks, with a native
concepts of time and velocity associated to path curves, thus suited for
straightforward implementation of camera paths and motion. It takes just a
bit time to select the proper kind of curve for own application, also
depending on the interface these expose.

Greetings -

----------------------------------------------------------------------------
-
Paolo Leoncini						phone:  +39 (0823) 623134
Scientific Visualization Group			fax:    +39 (0823) 623126
CIRA - Italian Center for Aerospace Researches	p.l...@ci...
Via Maiorise - 81043 Capua (CE) Italy		www.cira.it/research/vis

> -----Messaggio originale-----
> Da: pli...@li...
> [mailto:pli...@li...]Per conto di Sam
> Stickland
> Inviato: giovedì 25 maggio 2000 12.43
> A: pli...@li...
> Oggetto: Re: [Plib-devel] Re: [Plib-users] Loading ASE file
>
>
>
> ----- Original Message -----
> From: "Steve Baker" <sjb...@ai...>
> To: <pli...@li...>
> Sent: Thursday, May 25, 2000 1:53 AM
> Subject: Re: [Plib-devel] Re: [Plib-users] Loading ASE file
>
>
>  >  I suppose you'll also have to construct the bounding sphere
> > for that node around the entire locus of animation (all the curves
> > plus twice the sphere radius of the basic object).
>
> Is that wise?
>
> It would make sense if you're only using timed transforms to
> animate the object, and then another transform to move it, but this
> might not always be the case.
>
> If you can define curves and speeds/time-frames I'm sure that
> sooner or later someone would try to use this to set the path of an
> object using this system.  And if it's a long path, that, just
> for arguments sake, frequently moves out of view, then the above
> clipping system wouldn't actually do any clipping.
>
> Sam
>
>
>
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