| plimit | specify peak search parameters |
| PEKPIK | Option | Code | Arg | Def | |
| input map file | bdf | e | file extension e | map | |
| output peaks as atom lines | npun | no output | |||
| punch | atom lines to pch | ||||
| output peaks to bdf | sfil | write peaks to pek | |||
| nfil | no output to pek | ||||
| use symmetry in peak search | sym | use all symops | |||
| nsym | no symops | ||||
| search for peaks or holes | nhol | peaks only | |||
| hole | holes only |
| plimit | 1 | min point density used in peak search [a] | |
| The following defaults apply, according to FOURR map type. | |||
| COEF=1.0 PATT=10.0 EPAT=5.0 VECT=2.0 | |||
| EMAP=2.0 FOBS=1.0 FDIF=0.25 FCAL=1.0 | |||
| 2 | min separation of resolved peaks in Å | 0.75 | |
| 3 | max peaks output | 50 | |
| or 2*(non-H atoms) | |||
| Notes: a. Automatically adjusted after searching first layer. | |||