Hi Phil,
we are currently using it internally for some of our projects.
Currently, the latest stable release has support for coordinate representations in KDL and tf.
KDL already relies on Eigen for some of its representations, so you don't have to implement specific code for those.
But, if you plan on using Geometric Relations Semantics (GRS) with other type of coordinates you would need to implement them yourself.
Please follow the guide on the GRS web page: http://www.orocos.org/wiki/geometric-relations-semantics-wiki

You might also be interested in checking the following library which builds upon GRS and extends it to the graphs of geometric relations (e.g. body poses of a kinematic chain, a twist of a body in some task ).

https://gitlab.mech.kuleuven.be/rob-dsl/pose_twist_graph.git

It should satisfy most of the stuff you wonna do with GRS.
Hope it helps.

Sincerely
Azamat

--------------------------------------------
On Tue, 9/1/15, philip [dot] miller [..] ... <philip [dot] miller [..] ...> wrote:

Subject: Re: [Orocos-users] cannot clone
To: orocos-users [..] ...
Date: Tuesday, September 1, 2015, 9:07 PM

I was able to clone using
that url. Thanks!

I see
that nothing has changed in this repository since February
2013. Can 
you tell me the current status
of this geometric_relations_semantics effort? 
Is anyone using it currently? I am interested
in its features, but more as a 
standalone
library/capability, with a particular interest in using it
with 
the Eigen library.
--

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