>From what I'm seeing, it's a little of both. When it's traversing its full
range of motion, the output will "snap to" the position when it's attained.
When it's moving smaller ranges (even up to ~60 deg), it seems to give a
much smoother output.

-Ryan

On Wed, Oct 3, 2012 at 3:43 PM, Cedric Pradalier <cedric.pradalier@gmail.com
> wrote:

> Thanks Ryan,
>
> Do you (or the OP) know if the value returned by the ptz.cgi request
> is the current value of the encoders, or the target value of the
> position controller.
>
> I use to work with a Canon VBC50iR, which is the same mechanical
> hardware and casing, and this thing was unable to tell me where it is,
> only where it is going. This was particularly annoying when waiting to
> reach a given position before taking a snapshot, and led to a
> controller with a framerate of 0.5 fps...
>
> If anyone is interested by the VBC50i ROS driver, it is available at
> https://github.com/ethz-asl/ros-drivers/tree/master/canon_vbc50i
>
> Cheers.
>
> On Wed, Oct 3, 2012 at 9:30 PM, Ryan Gariepy
> <rgariepy@clearpathrobotics.com> wrote:
> > https://github.com/clearpathrobotics/axis_camera
> >
> > Originally based on the stuff Morgan linked, and we added a few things.
> >
> > It's worked for us on the M1011 fixed IP and one of their PTUs. Pull
> > requests welcome; I just pulled it out of a dusty corner of our internal
> > source control. (read: Bugs likely :))
> >
> > -Ryan
> >
> >
> > On Wed, Oct 3, 2012 at 3:10 PM, Ryan Gariepy
> > <rgariepy@clearpathrobotics.com> wrote:
> >>
> >> We've got a Python one around. I'll put it on github now.
> >>
> >> -Ryan
> >>
> >>
> >> On Wed, Oct 3, 2012 at 3:09 PM, Morgan Quigley <
> mquigley@cs.stanford.edu>
> >> wrote:
> >>>
> >>> Hi Jack,
> >>>
> >>> It's been a very long time, but we did some work with these cameras
> >>> several years ago. I'm sure the code is horribly outdated, but perhaps
> >>> it's better than starting with a blank screen:
> >>>
> >>>
> https://code.ros.org/trac/wg-ros-pkg/browser/pkg/trunk/axis_cam?rev=164
> >>>
> >>> -Morgan
> >>>
> >>>
> >>> On Wed, Oct 3, 2012 at 12:03 PM, Jack O'Quin <jack.oquin@gmail.com>
> >>> wrote:
> >>> > We are considering some of these network-attached cameras for a
> >>> > building infrastructure project:
> >>> >
> >>> >  http://www.axis.com/products/video/camera/index.htm
> >>> >
> >>> > Zoneminder supports them for security applications in Linux:
> >>> >
> >>> >  http://www.zoneminder.com/wiki/index.php/Axis
> >>> >
> >>> > We have not been able to find a ROS driver that supports them.
> >>> >
> >>> >  * Has anyone already done any work of that kind?
> >>> >
> >>> >  * Would any of you like to join me in developing a common driver
> >>> > implementation?
> >>> > --
> >>> >  joq
> >>> > _______________________________________________
> >>> > ros-users mailing list
> >>> > ros-users@code.ros.org
> >>> > https://code.ros.org/mailman/listinfo/ros-users
> >>> _______________________________________________
> >>> ros-users mailing list
> >>> ros-users@code.ros.org
> >>> https://code.ros.org/mailman/listinfo/ros-users
> >>
> >>
> >
> >
> > _______________________________________________
> > ros-users mailing list
> > ros-users@code.ros.org
> > https://code.ros.org/mailman/listinfo/ros-users
> >
>
>
>
> --
> Cedric Pradalier
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>