Re: [IMP-users] getting the MCCGsampler to work

On 7/14/14, 9:09 AM, Josh Bullock wrote: > so now i'm trying to set up a RigidBodyMover but i'm struggling to > create the rigid bodies. There seem to be two different ways of doing > this, either IMP.atom.create_rigid_body or IMP.atom.setup_as_rigid_body.

No, only one - setup_as_rigid_body was deprecated a while ago.

> If I use create_rigid_body then when i later try to add restraints i get > told "leaf 'A' ... does not have mass"

All the leaves need to have mass otherwise it cannot calculate the center of mass correctly.

Ben