Beginner question for importing objects and getting proper dynamic properties

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Yu-Ru Huang
Posts: 2
Joined: 04 Jul 2018, 07:26

Beginner question for importing objects and getting proper dynamic properties

Post by Yu-Ru Huang » 12 Jul 2018, 03:09

Hello. I am trying to perform grasping tasks on different objects using the V-REP simulator. However when I load object meshes such as those provided in this UCBerkeley's Dex-Net database: https://berkeley.app.box.com/s/w6bmvvkp ... ytkndmm7cn, object models appear fine until I check the Body is respondable box, a warning dialog box appears stating that the body I made respondable is not a pure shape. When I check the Body is dynamic box and press the simulation button, some bizarre motion(object flying off, sinking off the surface, etc) takes place. What can I do to make different objects behave in their proper dynamical behavior? I am also curious whether this happens when I use other simulators such as Gazebo or ARGoS as well.
Thanks!

coppelia
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Posts: 6747
Joined: 14 Dec 2012, 00:25

Re: Beginner question for importing objects and getting proper dynamic properties

Post by coppelia » 13 Jul 2018, 17:36

Hello,

please read this page carefully (mainly design considerations 1-3).
btw, V-REP doesn't handle the dynamic aspect of a simulation, the various available physics engines do (i.e. Bullet, ODE, Vortex or Newton)

Cheers

Yu-Ru Huang
Posts: 2
Joined: 04 Jul 2018, 07:26

Re: Beginner question for importing objects and getting proper dynamic properties

Post by Yu-Ru Huang » 14 Jul 2018, 15:55

Hello. It looks like I would have to make these design considerations for each different object I would like to grasp.
Thank you very much for the answer!

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