Isn't there a method to get just a single message. It is probably inefficient, as it will involve plenty of subscribe/unsubscribes, but might serve Keisuke's purposes. On Fri, Aug 27, 2010 at 1:24 PM, Josh Faust wrote: > There isn't currently a way to poll messages (though it's on our > roadmap: http://www.ros.org/wiki/ROS/Roadmap).  If you just want to throttle > it to 5ms though, you can use the throttle node in > topic_tools: http://www.ros.org/wiki/topic_tools/throttle > Josh > > 2010/8/26 >> >> Hi, all >> >> Is there a way to subscribe newest msg (not srv) at any prefered time? >> (like client node) >> I would like to subscribe a specific message by every 5ms. >> I know it is possible to realize such polling with srv, but Service-Client >> node allows only srv not msg. >> How can I realize such polling with msg? >> >> Thanks in advance, >> >> Keisuke >> >> >> >> ________________________________ >> GyaO! - Anime, Dramas, Movies, and Music videos [FREE] >> >> _______________________________________________ >> 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 > >