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[Daniela <question163736@xxxxxxxxxxxxxxxxxxxxx>]

Question #163736 on Yade changed:
https://answers.launchpad.net/yade/+question/163736

    Status: Answered => Open

Daniela is still having a problem:
Hi Jan, it works with labels. Thanks!
I still have two questions:

1.  I created a RotationEngine and a TranslationEngine, both with the
same id, as want that a body (obtained from a mesh for example) has
translational and rotational movement. But I see that just the one that
is defined in the second place affects the body in the simulation. I saw
that there is a CombinedKinematicEngine, but I am not sure if I should
use it for this case. Anyway, how should I proceed in order to have the
rotation and translation engines acting on the body?

2. I want to change the position and orientation of the body at some iterations. Can I do it using some Engine? I cannot imagine that I can do this using the TranslationEngine, as with this Engine I can define just the velocity. 
When I include the body with O.bodies.append(YMPORT.GMSH("file.mesh",shift=,orientation=), I can define the orientation using Quaternion and the position using shift. I though that I could may bechange these variables, but I am also not sure because then I would need to reload the mesh every time that I change their values.

So, I would be grateful if you could help me with these questions.
Thanks in advance, Daniela

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