Hi, John,
Thanks for your answer and explanation, though that is somewhere out of my
know how skill.
We can live with such message.
Alva
2010/12/20 John Denker <j...@av8n.com>
> On 12/20/2010 05:42 AM, henri orange wrote:
>
> > At FG load, i get a lot of these warning messages:
> >
> > TangentSpaceGenerator: unknown primitive mode 9
> >
> > Is it just me ? is there any possibility to avoid it ?
>
> It's not just you.
>
> There are at least two or three bugs involved here.
>
> 1) It is a bug that one part of OSG would generate a primitive mode
> that cannot be handled by other parts of OSG. Indeed, a comparison of
> .../include/osg/PrimitiveSet with .../src/osgUtil/TangentSpaceGenerator.cpp
> suggests that there are several primitive modes that could be generated
> but not handled.
>
> With very slightly cleverer coding, the OSG folks could have detected
> this situation at compile time, and could have fixed it a long time ago.
>
> 2) It is a bug in OSG that the error message is remarkably uninformative.
> The message doesn't say what caused the problem. It doesn't say how
> serious the problem is, or what might be the consequences of ignoring
> the problem. It gives no clue how to avoid the problem ... unless you
> want to download the source and reverse-engineer a large, complex, and
> virtually uncommented software system.
>
> In particular, the message is presumably provoked by some object in
> the scene, but the message gives no clue as to what the identity of
> the offending object.
>
> 3) It's not clear to me whether this can be considered a bug in FG,
> or whether changing FG so as to avoid provoking the OSG bug would
> be worth the trouble. Changing FG would be a royal pain, because
> of item (2) above.
>
> On 04/22/2010 03:12 PM, Tim Moore wrote:
> >> It would be best to get the polygons out of the loaded geometry. The
> >> INDEX_MESH optimizer that was recently added to OSG will do this.
>
> How recently was it added?
>
> How soon will it fix the problem?
>
> Installing the latest OSG SVN does not appear to be sufficient to
> fix the problem.
>
>
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