[osg-users] Backward compatibility of osgb file through Schema

[Robert Osfield]

Hi Han,

On 2 November 2017 at 11:09, Han Hu <huhan8807 at gmail.com> wrote:

> My problem is that my osg version is osg 3.5.5, which I convert an obj
> file to osgb just by readRefNodeFile and writeNodeFile. But I am targeting
> to other software, which may use some lower version of osg.
>
> I have tried osgconv in OSG 3.4.0 and the other software accept. So there
> seems to be some breaking compatibility change in the osgb format caused by
> either the osgdb_osg plugin or osgdb::OutputStream class.
>

Unfortunatly osgb isn't forwards compatible, and at present there isn't any
scheme to force writing out of older files.

One thing you could try is to write to .osgt or .osg and see if that works
better.

Robert.
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