On Wed, Sep 8, 2010 at 8:17 PM, Peshala Jayasekara wrote: > Hi Josh, > > Sorry not to have complied with the posting guidelines, previously. > No worries, it just didn't leave me with much to work with :) This isn't something I've seen before. Can you file a ticket with this info, along with a .bag file with the laser and tf topics? https://code.ros.org/trac/ros-pkg/newticket?component=visualization&type=defect&&visualization Thanks Josh