> > 1) What beamline coordinate system does your CAT use? At IMM-CAT our coordinate system agrees with your definition. Larry -- ================================================================== Laurence Lurio IMM-CAT Sector Number 8 APS/ANL Building 400 VOICE: 630-252-0281 9700 South Cass Avenue FAX: 630-252-0282 Argonne, IL 60439-1749 EMAIL: larry@lindy.mit.edu ==================================================================