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

[Robert Osfield]

Thanks David, fix works a treat and is now merged and submitted to SVN.

On Fri, Jun 6, 2008 at 8:33 PM, David Callu <ledocc at gmail.com> wrote:
> 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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