[Rock-dev] [Rock-ROS Bridge] Access to port

Sylvain Joyeux sylvain.joyeux at dfki.de
Wed May 8 18:27:23 CEST 2013


On 05/08/2013 10:14 AM, Pierre Letier wrote:
> Hello,
>
> After configuring the Rock-ROS Bridge, in rock-display, I can see the
> Orocos::Ros::NameService. I can see the ROS node (here talker, see
> attachment of the node definition, done with rospy). However, I can
> not see anything in Output ports (my node is publishing a Float64).
> Also, I can not find the topic through ruby scripts.
>
> I have alos tried the turtlesim node, without success (input/output
> ports are empty in rock-display)
>
> I don't know it it is due to a bad configuration of my ROS node or a
> problem in rock configuration.
It is a problem on the Rock side. We actually very rarely (which is to
say "almost never") put plain types on ports, and therefore it is a case
that I did not test for. Especially since, in ROS, I needed to integrate
boxed types properly (a pain).

I am fixing oroGen in that respect (build all before pushing) and will
tell the ML when I can listen to your example script

-- 
Sylvain Joyeux (Dr.Ing.)
Senior Researcher

Space & Security Robotics
Underwater Robotics

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