MAPSIG (CCP4: Supported Program)
NAMEmapsig - print statistics on signal/noise for translation function map
SYNOPSISmapsig MAPIN input1.map MAPIN2 input2.map MAPOUT output.map PEAK_LIST peaks.asc
When two maps are supplied, the maps may be different sizes provided that the smaller one is MAPIN. This will then be automatically extended in memory using translational symmetry only to match MAPIN2.
All keywords may be abbreviated to the first 4 characters, and all are optional.
If more peaks are required (max 200), you need to store more points (up to 8000), but beware the sort is very crude and very slow. For this reason the program is not suitable as a general purpose peak searcher; also although it allows for the non-primitive lattice translations in translation functions, it takes no account of space- group symmetry, which would give wrong answers for peaks on the map boundaries.
If TYPE is omitted, only one map (MAPIN) is processed, otherwise two maps (MAPIN and MAPIN2) are required.
Example unix script found in $CEXAM/unix/runnable/
Example VMS script found in $CEXAM/vms/