Hello Johannes,
Johannes Brunen wrote:
> "Carsten Neumann" <carsten_neum...@gmx.net> schrieb im
> For the following I have uploaded all files to 'files.zip' on
> http://drop.io/OpenSG_RenderEngine
ok, thanks. Honestly I'm a bit overwhelmed with all the files...
I was only asking about files saved directly from the app vs. files that
were loaded and saved again in the hope to get an idea whether the
loading or writing part are causing the problem.
> What I have done is the following:
[SNIP]
hm, comparing the files "Rebuild model/SceneImp_write.txt" and "Read
rebuild model/SceneImp_read_5.txt" (IIUC these are a dump of geometry
that looks correct in your app and a dump after saving and loading back
in, correct?) there are some strange changes in positions, often a 0.5
change in the Z-coordinate, but other (larger) differences as well.
Since you have this Geometry dumping tool, together with diffs of the
resulting files it should be possible to make sure that the data is
correct up to the point it is written - that way we could exclude
problems in your app.
Also, to reduce other effects, you could try using
OSG::OSBDriver::writeFC() to write just the Geometry when writing .osb
files.
> As a first step it would help to know the following:
>
> 1. Does the rendering of the provided 'osb' files look correctly in a
> foreign OpenSG setup? I think that all necessary information (clip plane
> chunks, beacons,...) are part of the models. If not I have to add some more
> information into my model. But currently I'm fine with my model layout.
I guess, they all seem to have a few triangles sticking out. I'm
assuming all along that is in fact the problem we are talking about in
this thread, right?
> 2. Is the write1.osg file correct? Is there a problem with the write backend
> for this file type?
Which write1.osg is this? I have "Rebuild model/write1.osg" and "Read
write1.osg/write1.osg". If you think there is something wrong with them,
please just mention what it is, that way I can much faster check if it's
really a problem ;)
Cheers,
Carsten
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