In unstable the image_transport plugins get their parameters through
dynamic_reconfigure, so they're no longer hitting the parameter server all
the time. It's also much easier to twiddle them.

Is your image_rotate node running on the robot or your desktop?

Cheers,
Patrick

On Thu, Nov 18, 2010 at 9:07 PM, Blaise Gassend <blaise@willowgarage.com>wrote:

> Have you tried setting compressed_image_transport_jpeg_quality
> somewhere in the tree above the image topic (in the root for example)?
>
> That should get rid of the error, but no idea if it will fix the lag
> problem.
>
> This should probably be ticketed against image_pipeline.
>
> On Thu, Nov 18, 2010 at 8:34 PM, Adam Leeper <aleeper@stanford.edu> wrote:
> > Hi All-
> >
> > I've been subscribing to the compressed image output from an image_rotate
> > node showing forearm camera images. This is extremely laggy compared to
> > subscribing to compressed images from, for example, the head stereo
> cameras.
> >
> > A look at rxconsole shows the following errors that are streaming
> > continuously from the rotation node:
> >
> > XML-RPC call [searchParam] returned an error (-1): [Cannot find parameter
> > [compressed_image_transport_jpeg_quality] in an upwards search]
> > XML-RPC call [searchParam] returned an error (-1): [Cannot find parameter
> > [compressed_image_transport_format] in an upwards search]
> >
> > I'm subscribing to /r_forearm_cam/image_rect_color_rotated/compressed.
> The
> > errors don't apprear if I subscribe to the regular image stream, so this
> > seems like the cause.
> >
> > Any idea how to fix this?
> >
> > Thanks,
> > Adam
> >
> >
> >
> >
> > Adam Leeper
> > Stanford University
> > aleeper@stanford.edu
> > 719.358.3804
> >
> > _______________________________________________
> > ros-users mailing list
> > ros-users@code.ros.org
> > https://code.ros.org/mailman/listinfo/ros-users
> >
> >
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