Keyword Posn Type Description ------- ---- ---- ----------- INP 1 UNIV Input Dataset -GLOBAL.EVDS (Default event dataset) OUT 2 UNIV Dataset for output ->GLOBAL.EVDS (Default event dataset) ANNULUS - LOGICAL YES = annular, NO = circular region Hidden default = NO XCENT 3 REAL x-coord of centre of region YCENT 4 REAL y-coord of centre of region OUTER 5 REAL Outer radius of region INNER 6 REAL Inner radius of annular region