Command line interface
alcf stats
alcf stats - calculate cloud occurrence statistics
Usage: alcf stats <input> <output> [<options>]
Arguments:
input
: input filename or directoryoutput
: output filename or directory
Options:
blim: <value>
: backscatter histogram limits (1e-6 m-1.sr-1). Default:{ 5 200 }
.bres: <value>
: backscatter histogram resolution (1e-6 m-1.sr-1). Default:10
.filter: <value> | { <value> ... }
: Filter profiles by condition:cloudy
for cloudy profiles only,clear
for clear sky profiles only,night
for nighttime profiles,day
for daytime profiles,none
for all profiles. If an array of values is supplied, all conditions must be true. Fornight
andday
, lidar profiles must contain valid longitude and latitude fields set via thelon
andlat
arguments ofalcf lidar
or read implicitly from raw lidar data files if available (mpl, mpl2nc). Default:none
.tlim: { <start> <end> }
: Time limits (see Time format below). Default:none
.zlim: { <low> <high> }
: Height limits (m). Default:{ 0 15000 }
.zres: <value>
: Height resolution (m). Default:50
.bsd_lim: { <low> <high> }
: backscatter standard deviation histogram limits (1e-6 m-1.sr-1). Default:{ 0.001 10 }
.bsd_log: <value>
: enable/disable logarithmic scale of the backscatter standard deviation histogram (true
orfalse
). Default:true
.bsd_res: <value>
: backscatter standard deviation histogram resolution (1e-6 m-1.sr-1). Default:0.001
.bsd_z: <value>
: backscatter standard deviation histogram height (m). Default:8000
.
Time format:
“YYYY-MM-DD[THH:MM[:SS]]”, where YYYY is year, MM is month, DD is day, HH is hour, MM is minute, SS is second. Example: 2000-01-01T00:00:00.