[osg-submissions] [osg-users] Two bugs in osgText3D

[David Callu]

Hi Robert, Hi Paul,


Sorry for the bug and not answer after notice it Robert.
Found attached the fix for bad culling of the text.

Cheers
David Callu

2008/6/6 Robert Osfield <robert.osfield at gmail.com>:

> Hi Paul,
>
> On Fri, Jun 6, 2008 at 8:36 AM, Paul Melis <paul at science.uva.nl> wrote:
> > When an osgText::Text3D drawable is read from a .osg file its character
> > depth does not get applied, as its glyph representation isn't recomputed.
> > The osgtext3D example doesn't reveal this, as other methods are called
> after
> > applying the character depth which do force a glyph update. I've
> submitted a
> > patch^H^H^H^H^H an updated header files to osg-submissions for this one.
>
> Yep, spotted the submissions patch, I'll be doing a submission work
> today so should
> merge this fix then.
>
> > The other problem I found was that with the osgtext3D example the bounds
> of
> > one of the text object isn't taken into account to update the clipping
> > planes. Simply running the osgtext3D example and rotating the scene so
> that
> > the string "CharacterSize..." is pointing away should reveal the problem.
>
> The Text3D has a bug in the bounding box computation.  I spotted this
> on shortly after merging the submission and notified the author of it,
> but as yet no fix has come forward.  I haven't had yet had a chance to
> take the code apart myself yet to fix it.
>
> > Btw, I notice a lot of lines "Doing release context" output by
> > osgthirdpersonview in a recent svn version and noticed the log message
> where
> > the responsible notify() was introduced. Are the messages a sign of
> > something bad happening or is their log level set too high?
>
> Nothing bad happening, just zealous debug messages I've added to
> monitoring single threaded makeCurrent/releaseContext  support - I've
> just checked in quietening down of the code.
>
> Robert.
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