Robert,

Thanks for the reply. I can try the latest version of OSG/VPB to build the
database but will the database still be compatible with an app that uses OSG
2.8.2 to fly through the database? I'm not really in a position to update
our application software to the latest version of OSG at this time. If I can
still get by with using OSG 2.8.2 in our app, then I'm more amenable to
upgrading to the latest OSG/VPB for our build machine.

Thanks for your input and help.
-Shayne

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Robert
Osfield
Sent: Friday, October 22, 2010 10:32 AM
To: OpenSceneGraph Users
Subject: Re: [osg-users] VPB problem with large database...

Hi Shayne,

I don't know what might be causing problems on your system, debugging
this type of thing remotely is next to impossible.

The best I can do is suggest trying the svn/trunk version of the OSG &
VPB.  With VPB is now possible build using NVidia texture tools and
with this avoid the need for graphics context and associated graphics
card - instead you can just compile and run with Mesa libs.  For more
info have a look at the recent threads on osg-users and
osg-submissions about NVidia Texture Tools integration.

Robert.

On Fri, Oct 22, 2010 at 3:48 PM, Tueller, Shayne R Civ USAF AFMC 519
SMXS/MXDEC <[email protected]> wrote:
> Jp,
>
> Thanks for the suggestion. I'll give it a try.
>
> Thinking that it might be a video card limitation (texture memory), I
tried
> building the same content on a more capable video card (Nvidia 9800 GTX)
and
> I'm still having the problem of having the osgdem threads dying out.
>
> I'm suspecting that VPB is having trouble with the large tif files and the
> number of them. I have 10,271 tif files in a single directory where each
tif
> file is ~30MB in size. If I pare down the number of files to just a few,
it
> builds fine. When I throw the full gamut of tif files at it, VPB chokes.
> Apparently there's some sort of limitation here to what it can handle.
>
> I'll continue to investigate and post my findings...
>
> -Shayne
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of J.P.
> Delport
> Sent: Friday, October 22, 2010 12:30 AM
> To: OpenSceneGraph Users
> Subject: Re: [osg-users] VPB problem with large database...
>
> Hi,
>
> you can check in the tasks folder to see exactly the osgdem command(s)
> that would be executed by vpb. Try execute one of these manually and see
> if it does not report any useful errors.
>
> jp
>
> On 21/10/10 20:31, Tueller, Shayne R Civ USAF AFMC 519 SMXS/MXDEC wrote:
>> All,
>>
>> I'm seeing some issues with VPB when attempting to build a very large
>> database. My command is the following:
>>
>> vpbmaster -TERRAIN -PagedLOD -geocentric -whole-globe -t
>> wholeearthtexture -t detailtexture -d dted -l 24 -o database.ive
>>
>> What I'm seeing is that vpbmaster creates the tasks and logs directories
>> followed by the scheduling of tasks. During the scheduling of tasks, I
>> see the threads "osgdem." created on the machine and then die a few
>> seconds later. vpbmaster then just waits for something to happen and
>> eventually goes to sleep. I'm guessing that this is happening because
>> the threads died for some reason and vpbmaster just sits there waiting
>> for them to come back.
>>
>> I understand the VPB is able to handle the building of very large
>> databases but it seems to be choking in our particular case. If I run
>> the same command above on a smaller set of data, things run just fine.
>>
>> Our system has 16 processors with ample disk and memory space to handle
>> what is needed. It also runs Fadora core 13.
>>
>> Has anyone else seen this issue? Is there a flag or setting that I need
>> to use to build a large database?
>>
>> Any input would be appreciated.
>>
>> -Shayne
>>
>>
>>
>> _______________________________________________
>> osg-users mailing list
>> [email protected]
>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
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