Norman, The orientation problem is fixed and the spacing was really just a matter of taste. here's one that that more accurately reflects the true dimensions of the sensor. Dylan ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the KPIX-BEAMTEST-SOFTWARE list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=KPIX-BEAMTEST-SOFTWARE&A=1