Using osg (OpenSceneGraph) models in rviz?

asked 2013-05-19 01:57:10 -0600

TommyP
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updated 2013-05-19 04:28:37 -0600

I am trying to show meshes in rviz and the mesh is originally an OpenSceneGraph model (.osg). My previous conversion pipeline was to use osgconv to convert to 3ds and wings3d to convert to collada dae. That worked a couple of months ago but stopped working (nothing is displayed) in a recent update.

So do anybody have a working and recently tested conversion receipt for this only using Linux (Ubuntu)? Or any suggestion about what to test? I tested meshlab and got the object but no textures.

answered 2013-05-19 06:12:34 -0600

dgossow

1444 ●7 ●13 ●23

Do you mean this stopped working with a recent RViz update? There was a change in RViz that could cause this - it now interprets the 'unit' property in collada files. If this is set wrong, your meshes could be too large or too small to see in RViz. Check your collada files for that.

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Yes, it stopped working in a recent rviz update but I do not know exactly when. I will check the unit property.

TommyP ( 2013-05-19 06:20:41 -0600 )edit

Changing the unit definition of meter from 0.01 to 1.0 solved the problem with my old Collada files. The Wings3d export to Collada works OK. I am still interested in alternative conversion paths which could give nicer handling of material properties.

TommyP ( 2013-05-19 06:37:28 -0600 )edit

The tools you use have parameters that control the scaling, they should do the job without manual adjustments.

dgossow ( 2013-05-19 14:16:54 -0600 )edit

That means that I have to learn the tools... And I really thought my original format was unit less. So it was really a surprise for me that units are added in some formats.

TommyP ( 2013-05-19 21:56:39 -0600 )edit

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