Import multiple objects in OBJ file

[Anonymous]

Hi Experts,

I am trying to load an obj file containing multiple objects, looking like

o pillar_231
usemtl Wood
f 5789/7001 5790/7002 5791/7003 5792/7004
f 5793/7005 5794/7006 5795/7007 5796/7008
f 5797/7009 5798/7010 5799/7011 5800/7012
f 5801/7013 5802/7014 5803/7015 5804/7016
o pillar_232
usemtl Wood
f 5805/7017 5806/7018 5807/7019 5808/7020
f 5809/7021 5810/7022 5811/7023 5812/7024
f 5813/7025 5814/7026 5815/7027 5816/7028
f 5817/7029 5818/7030 5819/7031 5820/7032

However, after I load the scene and get the mesh, I can only find all the polygons but no grouping information. I tried GetPolygonGroup() and it only returns -1. So I am wondering if FBX preserves that information at all. If not, what is the alternative way to do this?  

Thanks in advance! 

[Anonymous · Accepted solution]

Can you add group info to the obj files?

g group_0

for example.

[Anonymous]

Thank you Numerator! I have tried using "g" and instead of one entrie mesh now I can get a mesh for each of the group. GetGeometryCount() returns the number. 

Thank you again!

Yi