[ros-users] Conversion of pi/rad/.. when using rosparam in roslaunch

[Ken Conley]

Hi Marcus,

This sounds like a ticket.

cheers,
Ken

On Mon, Jul 11, 2011 at 9:41 AM, Marcus Liebhardt
<marcus.liebhardt at pal-robotics.com> wrote:
> Hi ros-users,
>
> we went into a strange behaviour of roslaunch, which we don't know, if it is
> a bug or expected behaviour.
>
> Let's consider a config file, which contains a parameter like this: r:
> rad(0.5 * pi).
> If I load this file via the rosparam command-line tool r gets correctly
> converted to "1.5707963267948966".
> But if I load this file via roslaunch rad and pi will not be converted and
> the parameter r is 'rad(0.5 * pi)'.
> The launch file:
> <launch>
>   <rosparam command="load" file="/path/to/test.yaml" />
> </launch>
>
> We tested this under c- and d-turtle. Is this the expected behaviour or a
> bug?
> If expected, I will repost my question on answers.ros.org, otherwise I can
> file a ticket, if desired.
>
> :-) Marcus
>
>
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