Doh. Thanks Josh :) Adam Leeper Stanford University aleeper@stanford.edu 719.358.3804 On Wed, Sep 1, 2010 at 7:30 PM, Josh Faust wrote: > > http://www.bulletphysics.com/Bullet/BulletFull/classbtMatrix3x3.html#a7521bf796271fcb8f0270d24fb13fb30 > > On Wed, Sep 1, 2010 at 7:03 PM, Adam Leeper wrote: > >> Hello- >> >> I might be missing something obvious, but I can't find any helper >> functions for converting a rotation matrix to a quaternion. >> >> I made a rotation matrix by choosing 3 basis vectors and putting them into >> a btMatrix3x3 (or equivalently, a tf::Transform with 0 position offset). >> >> I would like to just be able to just make a quaternion from this matrix. >> Does tf really not have a helper function for this? All I find are >> "createQuaternionFromRPY" sorts of functions, and Quaternion itself does not >> have a constructor that accepts a rotation matrix. >> >> Thanks, >> Adam >> >> >> Adam Leeper >> Stanford University >> aleeper@stanford.edu >> 719.358.3804 >> >> _______________________________________________ >> ros-users mailing list >> ros-users@code.ros.org >> https://code.ros.org/mailman/listinfo/ros-users >> >> > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > >