"Invalid vertexgroup" error when exporting walking character

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"Invalid vertexgroup" error when exporting walking character

Post  micha on Sun Oct 11, 2009 11:30 pm

I found this great character in a tutorial and when I try to export it to sio2 the exporter says:
"ERROR: invalid vertexgroup: plane:hip.r."
http://wiki.blender.org/uploads/9/96/BSoD-ItCA-final.blend

Any idea what this can be and/or where I can read about valid "vertexgroups" the exporter accepts?
Most importantly, how can this be fixed so that the export succeeds?

Thanks

michael

ps: Here is the source tutorial:
http://wiki.blender.org/index.php/Doc:Tutorials/Animation/BSoD/Character_Animation#Finished_product


Last edited by micha on Mon Oct 12, 2009 8:58 am; edited 1 time in total

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Re: "Invalid vertexgroup" error when exporting walking character

Post  sio2interactive on Mon Oct 12, 2009 12:08 am

The vertexgroup contain no vertices...

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Re: "Invalid vertexgroup" error when exporting walking character

Post  micha on Mon Oct 12, 2009 11:21 am

Thanks for the reply. Does that mean the tutorial has an incompatible way of using armatures? Is there an easy way to fix this?

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Re: "Invalid vertexgroup" error when exporting walking character

Post  sio2interactive on Mon Oct 12, 2009 2:16 pm

Not really... just make sure that all vertexgroup that you have contain some vertices attached... that's all

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Re: "Invalid vertexgroup" error when exporting walking character

Post  Krypt on Mon Oct 19, 2009 7:45 am

Hi,

I'm also getting this problem after rigging and posing one of my first models... so the model exported fine until I added the rigging, now that I have added the rigging it won't export saying invalid vertex group messages for the bone objects.

I didnt quite understand when you said "just make sure that all vertexgroup that you have contain some vertices attached" - how does this relate to the bones or rigging?

Any info here would be useful.

Many thanks...

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Re: "Invalid vertexgroup" error when exporting walking character

Post  Krypt on Mon Oct 19, 2009 8:07 am

further to this, I can see that it looks like for every bone I've added its created a vertex group. Based on the above, I'm assuming some of them have no vertices included..... is there any way to check this? When I select the vertex group I'm finding it hard to see any way to do this....

Is there a better approach to rigging a model that will preven this from happening?

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Re: "Invalid vertexgroup" error when exporting walking character

Post  yarri on Mon Oct 19, 2009 10:56 am

Hi, you might want to try use automatic skinning instead of the manual process... look here for the "Create from Bone Heat" option:
http://wiki.blender.org/index.php/Doc:Manual/Animation/Armatures/Mesh_Skin_Weighting

There's an excellent tutorial in Issue 118 of 3D World, look for the "Art of Rigging in Blender with Christopher Plush" from the Yo Frankie team:
http://www.3dworldmag.com/page/3dworld/20090526

And, you might want to try a different rig... I like Audine:
http://thelowlander.wordpress.com/download/

--yarri

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