hi Ivan,

Have you looked at rosh's bagys?

http://www.ros.org/wiki/rosh/Overview/Bagys

I don't know whether it's quite what you're looking for, but it might
be a step in the right direction.

    brian.

On Wed, Oct 17, 2012 at 3:17 PM, Ivan Dryanovski
<ivan.dryanovski@gmail.com> wrote:
> Hi everyone,
>
> Does there exist a way view a ROS message from a file (non-rosbag) directly
> in rviz? I was thinking that would be a nice addition.
>
> Basically, I'm looking for a C++ (or python) API that allows the user to
> save a single message of arbitrary type to a file. The rviz message display
> can then be modified to load messages from a file, in addition to the
> existing functionality to subscribe to a topic. This could perhaps be
> implemented using URI's, for example
>
> topic://scan
>
> vs
>
> file:///home/username/ros/myscan.rosmsg
>
> This would be useful in many situations, especially for examining large
> saved images, 2d/3d maps, pointclouds, etc.
>
> Has any of this been implemented, and does anyone have comments on this
> idea?
>
> Cheers,
>
> Ivan
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