[osg-users] Convert .earth file to .osg format

Chris Hanson xenon at alphapixel.com
Sun Apr 28 14:53:02 PDT 2019

Also, to add to that, osgdem relies heavily on GDAL to ingest raster data.
GDAL has several tricks for combining multiple files or directories and
referencing them as one dataset. For example:


I don't recall ever using that technique with VPB, but in theory it could
be helpful.

On Sun, Apr 28, 2019 at 1:38 PM Robert Osfield <robert.osfield at gmail.com>

> Hi Steven,
> It's probably getting on decade since I last used or did any serious
> worked on VPB so can't recall the specific command line options to use
> off the top of my head.  So will just provide some general notes that
> may help.
> It's possible to have osgdem (single process build) and vpbmaster
> (multi-process distributed build) using a directory as input rather
> than individual files.  Run osgdem -h to get the command line options.
> You can generate a single source file from your initial input
> parameters and reuse that source file subsequently - this is what is
> also used in the distributed build.
> I'm afraid I can't help beyond this without sitting down at my
> workstation to do some test builds after doing re-learning of the
> command line options.
> FYI, in the coming months I'll be doing some work on paging in for the
> VulkanSceneGraph project and will likely do some work with VPB to get
> it to generate native .vsgb rather than .osgb files.  At this point
> I'll need to dive back into VPB and re-lean how to use it properly :-)
> Robert.
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