[ros-users] cmd_vel topic has no attribute linear

[hitesh dhiman]

Hi ken,
Well I think you're correct. If I just do a print vel, it says subscriber
object at 'address'...Basically what I'm doing is getting the cmd_vel
published from navigation stack.
On this note, is it possible to find out the correct way to get the linear
and angular velocities from cmd_vel ?

On Apr 19, 2010 2:34 AM, "Ken Conley" <kwc at willowgarage.com> wrote:

Hi hitesh,

It would help if you cut and paste the exact error message and include a
sample program. I suspect that the program is using the subscriber object
instead of the message object, but this is hard to tell without more
information.

Ken

> > On Apr 18, 2010 9:43 AM, "hitesh dhiman" <hitesh.dhiman.1988 at gmail.com>
wrote: > > Hi all, > I'...
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