Re: [Openvrml-develop] [ #208849 ] Problems w/events into PROTOs

[Braden M. <br...@en...>]

On 25 Jul 2001 15:18:38 +0100, Jamie Walch wrote:
> > Looking around for a solid VRML browsing platform for Linux,
> > we've been experimenting with libVRML lookat.  Generally,
> > things are fine - but it seems we're hitting one of the
> > bugs on the list: Problems w/events into PROTOs
> >
> > Since we want our students to do H-anim work, typically
> > using PROTO's - this is a bit of a show-stopper.
> > Could someone comment on the status of this bug,
> > whether it's easily fixed, or related to some deep
> > design issue that is not so likely to be resolved in
> > a hurry.
> 
> This may or may not be the same problem, but I've been having difficulties
> with some PROTOs whereby the parser tells me a particular field does not
> exist when it clearly does. In these cases I find that DEFining the
> offending node gets the file through the parser and everything works fine.
> http://www-lce.eng.cam.ac.uk/~jpw20/Door.wrl demonstrates the problem; most
> (if not all) of the DEFs are not needed, but without them, although the file
> still renders correctly, events are not routed correctly (so that, for
> example, it's not possible to have a open door using this PROTO without the
> DEFs).

Hrm... Very interesting. Thanks!

(But those errors are from the PROTO implementation, not the parser. :-)

-- 
Braden McDaniel                             e-mail:
<br...@en...>
<http://endoframe.com>                      Jabber: <br...@ja...>