willmorrison1
commented
2 years ago or set fillvalue to -999
dimensions:
time = UNLIMITED ; // (3 currently)
y = 120 ;
x = 160 ;
variables:
ushort t_b_median(time, y, x) ;
ushort t_b_min(time, y, x) ;
ushort t_b_max(time, y, x) ;
ushort t_b_std(time, y, x) ;
ushort t_b_snapshot(time, y, x) ;
double t_box(time) ;
t_box:_FillValue = NaN ;
double t_chip(time) ;
t_chip:_FillValue = NaN ;
ushort flag_state(time) ;
uint counter(time) ;
uint counterHW(time) ;
double fps(time) ;
fps:_FillValue = NaN ;
ushort n_images(time) ;
int x(x) ;
int y(y) ;
double time(time) ;
time:_FillValue = NaN ;
time:units = "seconds since 1970-01-01 00:00:00.000" ;
// global attributes:
:description = "pixpy" ;
:serial = 12080016 ;
}vs CL61
dimensions:
range = 3276 ;
layer = 5 ;
time = UNLIMITED ; // (20 currently)
variables:
int cloud_base_heights(time, layer) ;
cloud_base_heights:_FillValue = -99 ;
cloud_base_heights:units = "m" ;
cloud_base_heights:long_name = "heights (range) of the detected cloud bases" ;
cloud_base_heights:coordinates = "time layer longitude latitude" ;
int vertical_visibility(time) ;
vertical_visibility:_FillValue = -99 ;
vertical_visibility:units = "m" ;
vertical_visibility:long_name = "visibility in the direction of the instrument beam" ;
vertical_visibility:coordinates = "time longitude latitude" ;
float p_pol(time, range) ;
p_pol:_FillValue = -999.f ;
p_pol:units = "1/(m∙sr)" ;
p_pol:long_name = "parallel-polarized component of the backscattered light" ;
p_pol:coordinates = "time range longitude latitude" ;
p_pol:averaging\ time\ in\ seconds = 15 ;
float x_pol(time, range) ;
x_pol:_FillValue = -999.f ;
x_pol:units = "1/(m∙sr)" ;
x_pol:long_name = "cross-polarized component of the backscattered light" ;
x_pol:coordinates = "time range longitude latitude" ;
x_pol:averaging\ time\ in\ seconds = 15 ;
float beta_att(time, range) ;
beta_att:_FillValue = -999.f ;
beta_att:units = "1/(m∙sr)" ;
beta_att:long_name = "attenuated volume backscatter coefficient" ;
beta_att:coordinates = "time range longitude latitude" ;
beta_att:averaging\ time\ in\ seconds = 15 ;
float linear_depol_ratio(time, range) ;
linear_depol_ratio:_FillValue = -999.f ;
linear_depol_ratio:long_name = "linear depolarisation ratio of the backscatter volume" ;
linear_depol_ratio:coordinates = "time range longitude latitude" ;
linear_depol_ratio:averaging\ time\ in\ seconds = 15 ;
double time(time) ;
time:_FillValue = -999. ;
time:units = "seconds since 1970-01-01 00:00:00.000" ;
time:long_name = "Time" ;
time:axis = "T" ;
time:standard_name = "time" ;
time:cf_role = "profile_id" ;
double range(range) ;
range:_FillValue = -999. ;
range:units = "m" ;
range:long_name = "measurement distance from the instrument in the direction of the transmitted laser beam" ;
range:axis = "Z" ;
range:positive = "up" ;
int layer(layer) ;
layer:_FillValue = -999 ;
layer:units = "layer" ;
layer:long_name = "number of the observed cloud layer (1,2,...,5)" ;
double longitude ;
longitude:_FillValue = -999. ;
longitude:units = "degrees_east" ;
longitude:long_name = "longitude" ;
longitude:standard_name = "longitude" ;
double latitude ;
latitude:_FillValue = -999. ;
latitude:units = "degrees_north" ;
latitude:long_name = "latitude" ;
latitude:standard_name = "latitude" ;
int elevation ;
elevation:_FillValue = -999 ;
elevation:units = "m" ;
elevation:long_name = "elevation" ;
elevation:standard_name = "ground_level_altitude" ;
elevation:comment = "measurement site height above or below a fixed reference point, most commonly a reference geoid" ;
double beta_att_sum(time) ;
beta_att_sum:_FillValue = -999. ;
beta_att_sum:units = "1/(10^4∙sr)" ;
beta_att_sum:long_name = "scaled integral of the attenuated volume backscatter coefficient" ;
double beta_att_noise_level(time) ;
beta_att_noise_level:_FillValue = -999. ;
beta_att_noise_level:long_name = "a unitless number describing the noise level of the attenuated volume backscatter coefficient" ;
short tilt_correction(time) ;
tilt_correction:_FillValue = -999s ;
tilt_correction:long_name = "tilt correction" ;
tilt_correction:comment = "on/off (1/0)" ;
float tilt_angle(time) ;
tilt_angle:_FillValue = -999.f ;
tilt_angle:units = "°" ;
tilt_angle:standard_name = "zenith_angle" ;
tilt_angle:long_name = "instrument tilt angle from the vertical" ;
short height_offset(time) ;
height_offset:_FillValue = -999s ;
height_offset:long_name = "instrument height offset to reference level" ;
height_offset:comment = "positive, if the instrument is placed e.g. on the roof of a building. Negative, if the instrument is placed below the ground level altitude e.g. in a pit. This value will be added to the cloud base height results." ;
height_offset:units = "m" ;
short sky_condition_total_cloud_cover(time) ;
sky_condition_total_cloud_cover:_FillValue = -99s ;
sky_condition_total_cloud_cover:units = "oktas" ;
sky_condition_total_cloud_cover:long_name = "total amount of cloud cover" ;
sky_condition_total_cloud_cover:comment = "aggregated across layers" ;
sky_condition_total_cloud_cover:coordinates = "time longitude latitude" ;
short sky_condition_cloud_layer_covers(time, layer) ;
sky_condition_cloud_layer_covers:_FillValue = -99s ;
sky_condition_cloud_layer_covers:units = "oktas" ;
sky_condition_cloud_layer_covers:long_name = "amount of cloud cover in different cloud layers" ;
sky_condition_cloud_layer_covers:comment = "for up to 3 layers" ;
sky_condition_cloud_layer_covers:coordinates = "time layer longitude latitude" ;
int sky_condition_cloud_layer_heights(time, layer) ;
sky_condition_cloud_layer_heights:_FillValue = -99 ;
sky_condition_cloud_layer_heights:units = "m" ;
sky_condition_cloud_layer_heights:long_name = "height of different cloud layers" ;
sky_condition_cloud_layer_heights:comment = "for up to 3 layers" ;
sky_condition_cloud_layer_heights:coordinates = "time layer longitude latitude" ;
// global attributes:
:_NCProperties = "version=1|netcdflibversion=4.4.1.1|hdf5libversion=1.8.18" ;
:title = "CL61D, CL61 with Depolarization, J" ;
:institution = "" ;
:source = "CL61-T2920393" ;
:conventions = "CF-1.8" ;
:schema_version = "1.2" ;
:sw_version = "1.1.10" ;
:history = "" ;
:comment = "" ;
:unit = "m" ;
:temporal\ span\ of\ this\ file\ in\ minutes = 5. ;
:time\ between\ consecutive\ profiles\ in\ seconds = 15 ;
group: status {
// group attributes:
:Timestamp = "1657695840.086924" ;
:Window_blower_fan = "OK: 0" ;
:Window_blower_heater = "OK: 0" ;
:Window_blower_temperature_sensor = "OK: 0" ;
:Device_controller_temperature = "OK: 0" ;
:Device_controller_electronics = "OK: 0" ;
:Device_controller_overall = "OK: 0" ;
:Device_controller_voltage = "OK: 0" ;
:Inside_heater = "OK: 0" ;
:Optics_unit_accelerometer = "OK: 0" ;
:Optics_unit_electronics = "OK: 0" ;
:Optics_unit_environmental_sensor = "OK: 0" ;
:Optics_unit_overall = "OK: 0" ;
:Optics_unit_memory = "OK: 0" ;
:Optics_unit_tilt_angle = "OK: 0" ;
:Receiver_electronics = "OK: 0" ;
:Receiver_overall = "OK: 0" ;
:Receiver_memory = "OK: 0" ;
:Receiver_solar_saturation = "OK: 0" ;
:Receiver_voltage = "OK: 0" ;
:Window_blocking = "OK: 0" ;
:Window_condition = "OK: 0" ;
:Servo_drive_electronics = "OK: 0" ;
:Servo_drive_overall = "OK: 0" ;
:Servo_drive_memory = "OK: 0" ;
:Servo_drive_control = "OK: 0" ;
:Servo_drive_ready = "OK: 0" ;
:Transmitter_electronics = "OK: 0" ;
:Transmitter_light_source = "OK: 0" ;
:Transmitter_light_source_power = "OK: 0" ;
:Transmitter_light_source_safety = "OK: 0" ;
:Transmitter_overall = "OK: 0" ;
:Transmitter_memory = "OK: 0" ;
:Transmitter_voltage = "OK: 0" ;
:Hardware_overall = "OK: 0" ;
:Maintenance_overall = "OK: 0" ;
:Device_overall = "Device overall alert level: A" ;
:Recently_started = "OK: 0" ;
:Measurement_status = "OK: 0" ;
:Datacom_overall = "Data communication overall alert level: A" ;
:Data_generation_status = "OK: 0" ;
:Data_sending_status = "Reporting data sending failure: A" ;
:Measurement_data_destination_not_set = "Reporting destination URL for output data set: 0" ;
} // group status
group: monitoring {
// group attributes:
:Timestamp = "1657695840.086924" ;
:internal_humidity = 34.071f ;
:internal_pressure = 1014.156f ;
:internal_temperature = 28.4f ;
:laser_temperature = 18.78136f ;
:laser_power_percent = 94.83334f ;
:window_condition = 100.f ;
:background_radiance = 37.4f ;
} // group monitoring
}
https://stackoverflow.com/questions/45693688/xarray-automatically-applying-fillvalue-to-coordinates-on-netcdf-output