[ros-users] ros::time to boost::posix_time::ptime

Lorenz Mösenlechner moesenle at in.tum.de
Mon Jan 23 15:32:22 UTC 2012


Hi,

according to the API docs, there is already a function to convert from
ros::Time to boost. The function is called toBoost, docs can be found here:
http://ros.org/doc/electric/api/rostime/html/classros_1_1TimeBase.html

Lorenz


On Mon, Jan 23, 2012 at 4:26 PM, Markus Bader <markus.bader at tuwien.ac.at>wrote:

> Hi
>
> ROS is using many boost libs, but has his own time/duration/.. implentation
> Would it be possible to add at least a convertion funtion to the boost
> time classes
>
> like:
>
> boost::posix_time::ptime  rostime2ptime_utc(const ros::Time &t) {
>    using namespace boost::posix_time;
>    typedef boost::date_time::subsecond_duration<time_duration,1000000000>
> nanoseconds;
>    boost::gregorian::date d(1970, boost::gregorian::Jan, 1);
>    ptime  t_utc(d, seconds(t.sec) + nanoseconds(t.nsec));
>    return t_utc;
> }
>
> boost::posix_time::ptime  rostime2ptime_local(const ros::Time &t) {
>    using namespace boost::posix_time;
>    ptime t_utc = rostime2ptime_utc(t);
>    ptime t_local =
> boost::date_time::c_local_adjustor<ptime>::utc_to_local(t_utc);
>    return t_local;
> }
>
> Greetings
> Markus
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>
>


-- 
Lorenz Mösenlechner            | moesenle at in.tum.de
Technische Universität München | Karlstraße 45
80335 München                  | Germany
http://ias.cs.tum.edu/         | Tel: +49 (89) 289-26910
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