Re: [ros-users] rospack depends geometry_msgs vs rosmsg pack…

>     ∫ rospack depends geometry_msgs
>     cpp_common
>     rostime
>     roscpp_traits
>     roscpp_serialization
>     genmsg
>     genpy
>     message_runtime
>     std_msgs

>     Hi,

>     I have some problem in understanding the consistency of the output of the following two commands:

>     $rospack depends geometry_msgs:
>     <nothing>

>     $rosmsg packages Header
>     ...
>     gazebo_msgs
>     gazebo_plugins
>     geometry_msgs <--
>     hpPackage
>     ...

>     So geometry_msgs is using the Header message from std_msgs, but geometry_msgs does not depend on std_msgs. One example of using the Header message is geometry_msgs/TwistStamped:

>     $rosmsg show geometry_msgs/TwistStamped
>     std_msgs/Header header
>        uint32 seq
>        time stamp
>        string frame_id
>     geometry_msgs/Twist twist
>        geometry_msgs/Vector3 linear
>          float64 x
>          float64 y
>          float64 z
>        geometry_msgs/Vector3 angular
>          float64 x
>          float64 y
>          float64 z

>     Isn't it a bug?

>     Best Regards,
>        Stephan
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