RoboSavvy Forum

Fixing and using Bioloid Mesh files

2007-08-31T07:09:42+01:00

I Tried that.

I don't think the motion editor import is that sophisticated. Once the hybrid file is loaded, the object joints and rotation points are all over the place. It seems as though the waist joint "has" to be the first in the tree. I might have more success taking an 18DOF file and adding the waist joint as ID 19, but fragmotion is beyond me to achieve that.

Statistics: Posted by smoothchat — Fri Aug 31, 2007 7:09 am

Fixing and using Bioloid Mesh files

2007-08-29T18:28:37+01:00

I think that would be pretty easy actually.. just rename the joints. They have their ID as their name.

Statistics: Posted by ShreddinPB — Wed Aug 29, 2007 6:28 pm

Fixing and using Bioloid Mesh files

2007-08-29T09:12:17+01:00

The trick now would be to modify an original 19DOF .X file into a 19DOF Hybrid (a 19DOF robot built like an 18DOF with the 19th servo at ID19). I have had no success in reassigning the Bone IDs so that the model appears correctly in the motion editor. Everything's packed away at the moment (moving house). I will tackle again later in the year.

Statistics: Posted by smoothchat — Wed Aug 29, 2007 9:12 am

Fixing and using Bioloid Mesh files

2007-08-10T22:03:08+01:00

limor wrote:
great ! thanks!
to upload the file to RoboSavvy please use the My Files link on the left User-Menu

That did it.. here you go guys
http://robosavvy.com/Builders/ShreddinPB/bioloid_x_file_corrected_v02.rar

awesome progress!! cant wait to be able to write out my own motion files

Statistics: Posted by ShreddinPB — Fri Aug 10, 2007 10:03 pm

Fixing and using Bioloid Mesh files

2007-08-10T03:57:20+01:00

Excellent..That was a great job..
Thanks a lot....

cheers

ryann2k1

Statistics: Posted by ryann2k1 — Fri Aug 10, 2007 3:57 am

Fixing and using Bioloid Mesh files

2007-08-09T23:28:20+01:00

great ! thanks!
to upload the file to RoboSavvy please use the My Files link on the left User-Menu

Statistics: Posted by limor — Thu Aug 09, 2007 11:28 pm

fixed!

2007-08-09T18:48:26+01:00

Hey guys.. I fixed the "black model" problem, atleast its fixed in fragmotion.. someone can try and load it in.

Basicly what happened is this, when you switched the scale on the joint from -1 to 1, it also inverted all the geometry. I have worked in 3D for a long time so I just loaded fragmotion and "flipped the normals" so they are all facing out.. basicly we were looking thru the geometry and seeing the back side.. in fragmotion you have to do 2 steps to succesfully flip normals since it doesnt work with face normals, and only with vertex normals.

Basicly just select the geometry.
under the "Face" menu select "reverse vertex order"
under the "Face" menu select "reverse vertex normal"

voila! fixed!

Also, the file size issue you guys are talking about is because its being saved as an uncompressed text file. I saved the same .X file as a text, and a compressed binary.

Text is 13 megs
compressed binary is 1 meg

I have the file ready, but dont know where to put it so that it is on the RoboSavy site itself.. I can host it on my server.. but would rather it be self contained here..

Statistics: Posted by ShreddinPB — Thu Aug 09, 2007 6:48 pm

Fixing and using Bioloid Mesh files

2007-08-09T03:08:07+01:00

indeed it does come out black in fragmotion for some mysterious reason.
but the mesh and skeleton are fine. Try to export the mesh+skeleton to in any other format from fragmotion, it should be ok.

I exported it to Ogre3D mesh files and had only 4 bones that were slightly distorted but easily fixed (I havent figured if the problem was with the mesh file or with my EZphysics simulator reading/writing the transform tensor incorrectly).

BTW: an interesting thing about Bioloid Humanoid.x bones -- You will notice that every servo-axis-shaft bone has a daughter bone. It seems that these indicate the location of the center-of-mass and inertia tensor axis for every sub-mesh. We are not sure about but i'll run it by Robotis and see if this is a by-product of their CAD system export function.

Regarding Blender - I burned away too many brain cells on 3D-studio-max and Blender is a completely different beast so dont know why the imported mesh is inside a little cube. i had the same issue last time i tried to play with blender import function.

Statistics: Posted by limor — Thu Aug 09, 2007 3:08 am

Fixing and using Bioloid Mesh files

2007-08-07T20:34:22+01:00

Oh - I had not actually tried the file before I posted my thanks.

Unfortunately the file Limor uploaded does not work properly for me either - all I see is a black model (albeit with the corrct orientation of the bone structure) .

I am using the latest version of fragMOTION (v0.9.1a). I also tried using the DirectX viewer that comes with the DirectX SDK - but the file manages to crash it. And no Joy with Blender (where the whole robot appears as a Cube).

Any suggestions Limor?

Bill

Statistics: Posted by BillB — Tue Aug 07, 2007 8:34 pm

Fixing and using Bioloid Mesh files

2007-08-07T15:12:19+01:00

Hi..
It is really strange...I have used http://robosavvy.com/Builders/limor/bio ... rected.zip
but the body still remains black..
How did you figure it out Bill?

cheers,

ryann2k1

Statistics: Posted by ryann2k1 — Tue Aug 07, 2007 3:12 pm

Fixing and using Bioloid Mesh files

2007-08-07T13:18:05+01:00

Thanks Limor

Statistics: Posted by BillB — Tue Aug 07, 2007 1:18 pm

Fixing and using Bioloid Mesh files

2007-08-07T12:58:20+01:00

hi, don't know why you had that problem with the flipping of the meshes. it could have to do with conversion to/from text X file.

In any case, here is the corrected .X file (text version in Zip archive)
http://robosavvy.com/Builders/limor/bio ... rected.zip

Statistics: Posted by limor — Tue Aug 07, 2007 12:58 pm

Fixing and using Bioloid Mesh files

2007-08-05T23:35:36+01:00

Just a random guess, but flipping the bone might also be flipping all the triangle normals.

Statistics: Posted by billyzelsnack — Sun Aug 05, 2007 11:35 pm

Fixing and using Bioloid Mesh files

2007-08-04T22:29:44+01:00

Have exactly the same problem - black bioloid model and a huge text file.

Statistics: Posted by BillB — Sat Aug 04, 2007 10:29 pm

Fixing and using Bioloid Mesh files

2007-08-04T15:10:36+01:00

Hi..
I have figured out the messy bone, but after I import .X file to fragmotion, the whole body becomes black (the textured is black), the original color is gone. anything that I missed?

thank you..

cheers

ryann2k1

Statistics: Posted by ryann2k1 — Sat Aug 04, 2007 3:10 pm