Real-Time Physics Simulation Forum

Re: Programmatically set the revolute (hinge) joint limits?

2020-08-17T20:47:40+00:00

I implemented it now: See https://github.com/bulletphysics/bullet3/pull/2919

Thank you!

Statistics: Posted by mcarr — Mon Aug 17, 2020 8:47 pm

Re: Programmatically set the revolute (hinge) joint limits?

2020-07-23T01:00:42+00:00

I implemented it now: See https://github.com/bulletphysics/bullet3/pull/2919

Awesome.
Thank you.

Statistics: Posted by adipandas — Thu Jul 23, 2020 1:00 am

Re: Programmatically set the revolute (hinge) joint limits?

2020-07-08T18:06:38+00:00

I implemented it now: See https://github.com/bulletphysics/bullet3/pull/2919

Statistics: Posted by Erwin Coumans — Wed Jul 08, 2020 6:06 pm

Re: Programmatically set the revolute (hinge) joint limits?

2020-07-08T00:08:23+00:00

This is currently not exposed/supported.
See https://github.com/bulletphysics/bullet3/issues/2810 for progress/updates.

Statistics: Posted by Erwin Coumans — Wed Jul 08, 2020 12:08 am

Re: Programmatically set the revolute (hinge) joint limits?

2020-06-29T14:30:29+00:00

Unfortunately I haven't found a solution yet. From what I can see the functionality we need is in the C API but not exported to pyBullet. It is however supported through the URDF interface. So as long as you are prepared to monkey around with URDF files, you can get around this issue.

Statistics: Posted by mcarr — Mon Jun 29, 2020 2:30 pm

Re: Programmatically set the revolute (hinge) joint limits?

2020-05-31T08:15:32+00:00

I'm looking for a solution to this as well. Has anyone been able to solve it?

Statistics: Posted by beichun — Sun May 31, 2020 8:15 am

Re: Programmatically set the revolute (hinge) joint limits?

2020-05-21T02:14:40+00:00

Hello @mcar,
Were you able to find solution to this? Is it possible to set joint limits using createMultiBody?
Thanks.

Statistics: Posted by adipandas — Thu May 21, 2020 2:14 am

Programmatically set the revolute (hinge) joint limits?

2020-04-12T16:01:46+00:00

Hey, thanks again for this great module. There are a number of robotics examples featuring a hinge joint with limits. In the URDF files these are easily implemented, like for example:

range="-40 40" type="hinge"/>

Here, the hinge joint in implemented in Bullet as a revolute joint with a restricted angular range of (-40, 40) degrees. When I make similar joints programmatically with pb.createMultiBody(), I can't see any way to specify the limits on the revolute. You can query them with pb.getJointInfo(), with these settings mapping to the jointLowerLimit, and jointUpperLimit variables. But there doesn't appear to be an equivalent pb.setJointInfo() function.

Is there a way to programmatically set the revolute (hinge) joint limits when creating a robot with pb.createMultiBody()?

Statistics: Posted by mcarr — Sun Apr 12, 2020 4:01 pm