I tried out the file below, and I can confirm all of John's results. Since I
use SGI's Inventor instead of Coin, it appears that the bug is in the
Inventor plugin, and not Coin. I wonder if it's a problem with 64-bit
builds? I have been using Centos 5.2/5.3 on a 64-bit machine for a while
now, and my previous use of Inventor was probably on our old 32-bit
machines.
-Eric
On Fri, Oct 9, 2009 at 3:12 PM, John Kelso <ke...@nist.gov> wrote:
> Hi,
>
> We're running 2.8.2 on a 64-bit Centos system. OSG was configured to use
> Coin-3.1.1.
>
> Not too long ago I ran an old demo using the new releases and noticed that
> an Inventor file that used to load properly no longer did. Checking
> around,
> many others also didn't.
>
> Here's a simple example file that demonstrates the problem:
>
> #Inventor V2.0 ascii
> Material { diffuseColor 1 0 0 }
> Cone { bottomRadius 1 height 2 }
>
> Rotation { rotation 1 0 0 3.14159 }
> Material { diffuseColor 0 1 0 }
> Cone { bottomRadius 1 height 2 }
>
> If you look at this with ivview, also linked with Coin-3.1.1, you see two
> intersecting cones, red on the bottom and green on the top.
>
> If you load this same file with osgviewer you just see the red cone.
>
> If you use osgconv to create an osg file from the iv file you see both
> cones
> in the osg file with identical vertex data and the green one isn't rotated.
> I'm surprised I don't see any z-fighting in osgviewer.
>
> Anyway, can anyone else try loading this Inventor file and see if it works
> for them?
>
> Many thanks,
>
> John
>
>
>
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>
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