[ros-users] Question about subscribing a message at any prefered time

[Blaise Gassend]

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 <jfaust at willowgarage.com> 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 <ros_user at yahoo.co.jp>
>>
>> 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
>>
>>
>>
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