As it currently stands ARCS and CIRCLES are not fully described. You need at minimum a normal vector to define the orientation of the face in 3-D space. cheers, Jim Parker H. James Parker Naval Architect Gibbs and Cox, Inc. office) 703-416-3625 fax) 703-416-3679 jparker@xxxxxxxxxxxx *********************************************** This e-mail and any attachments contain privileged, business sensitive, and/or proprietary information. The information is intended to be for the use of the individual or entity named. If you are not the intended recipient, be aware that any disclosure, copying, distribution or use of this information is prohibited. If you have received this electronic transmission in error, please immediately notify the Gibbs & Cox, Inc. Security Supervisor at 703.416.1240 or via email at Security@xxxxxxxxxxxxx *********************************************** >>> csomerlot@xxxxxxxxx 8/25/2004 12:11:40 PM >>> I've updated the rhizopd spec to be almost fully complete: http://dan-davis.com/cds/rhizopod_spec.yml