LAST CHANGED : 2015/09/29 18:51:07 CRUISE NAME(S) : P16N_leg2 (rb1503_leg2) CRUISE DATES : 2015/05/26 to 2015/06/24 SHIP NAME : Ron Brown PORTS : Honolulu, HI to Seattle, WA CHIEF SCIENTIST : Allison MacDonald DATABASE NAME : aship DATA FILES : rb2015_145_01192.raw to rb2015_174_57600.raw STATUS : to do done ------ ----------- averaged [ x ] redone from scratch loaded [ x ] NOTE: heading correction instrument exists NOTE: time-dependent heading corrections applied IN the ensembles (see cal/rotate/ens_hcorr.ang) check heading correction [ x ] calibration [ x ] edited [ x ] re-check heading correction [ x ] check editing [ x ] figures [ x ] done. ready for JASADCP INSTRUMENT : os75 ACQUISITION : PROGRAM : uhdas PROCESSING: : python LOGGING : PARAMETERS : BT : bottom track mode (on or off) SI : sampling interval or averaging period for ensemble (sec) NB : number of bins BL : bin length (m) TD : transducer depth (m) BK : blanking length (m) HO : heading offset applied by DAS (deg) HB : heading bias (deg) CRPH : compensation for roll-pitch-heading, 1:on, 0:off) yy/mm/dd hh:mm:ss BT SI NB BL TD BK HO HB CRPH 2015/05/26 00:24:56 off 300 60 16 5 8 52.00 0.00 0001 HEADING : PRIMARY : heading from gyro CORRECTION : heading correction from mahrs NOTE: time-dependent heading corrections applied IN the ensembles (see cal/rotate/ens_hcorr.ang) POSITIONS : gps positions from gpsnav CALIBRATION : original transducer orientation: 52.00 transducer depth: 5.0 (check original processing parameters) additional rotation 0 final transducer angle is: (original transducer angle) - (rotate_angle) applied scale factor 1 additional scale factor (none) COMMENTS : Mahrs became very erratic just before the end of the previous cruise. Reprocessed with new editing criteria. Little glitches in heading correction: used "patch_hcorr.py" to clip them out and interpolate PROCESSOR : J.Hummon --- processing parameters ---------- ## (determined from "sonar"): model = os ## (determined from "sonar"): frequency = 75 ## (determined from "sonar"): pingtype = nb ## (determined from "sonar"): instname = os75 badbeam None beamangle 30 configtype python cruisename RB1503L2_emahrs datatype uhdas dbname aship ens_len 300 fixfile aship.gps hcorr_inst mahrs pgmin 50 proc_engine python ref_method refsm refuv_smoothwin 3 refuv_source nav sonar os75nb txy_file aship.gps xducer_dx 0 xducer_dy 0 yearbase 2015 ------------------------------------------------------------------ (1) set up for reprocessing adcptree.py os75nb_emahrs --datatype uhdas --cruisename RB1503L2_emahrs cd os75nb_emahrs cat << EOF > q_py.cnt ####----- begin q_py.cnt------------ ## all lines after the first "#" sign are ignored ## python processing --yearbase 2015 --cruisename RB1503L2_emahrs # used to identify configuration files # *must* match prefix of files in config dir --update_gbin ### put this on command line --sonar os75nb ## DO NOT use 'sonar' in this file. use on commandline --dbname aship --datatype uhdas --ens_len 300 --ping_headcorr ## applies heading correction. ## settings found in config files --max_search_depth 3000 ## use topography for editing? ## 0 = "always use amplitude to guess the bottom; ## flag data below the bottom as bad ## -1 = "never search for the bottom" ## positive integer: use ADCP amp to autodetect ## the bottom. Only do this in "deep water", ## i.e. topo says bottom is deeper than this EOF -------------------------------------------- (2) run it quick_adcp.py --cntfile q_py.cnt --auto (3) deal with heading ## mahrs is failing, so use new editing to throw out bad pards ## then there are glitches, so delete an interpolate: cd cal/rotate patch_hcorr.py - cleaner rotate unrotate.tmp rotate rotate_fixed.tmp cd ../.. quick_adcp.py --steps2rerun navsteps:calib --auto #then create a new heading correction to add to newhcorr.ang # (based on latitude) to correct the mahrs ## rotate based on new file: tweaked_fixed_vslat2.ang **watertrack** ------------ Number of edited points: 182 out of 184 amp = 1.0012 + 0.0001 (t - 159.7) phase = 0.01 + 0.0026 (t - 159.7) median mean std amplitude 1.0010 1.0012 0.0042 phase -0.0135 0.0085 0.2583 ------------ (4) edit - remove unattached underway deeper sections cd .. quick_adcp.py --steps2rerun apply_edit:navsteps:calib --auto **watertrack** ------------ Number of edited points: 182 out of 182 amp = 1.0012 + 0.0001 (t - 159.7) phase = 0.01 + 0.0027 (t - 159.7) median mean std amplitude 1.0010 1.0012 0.0042 phase -0.0135 0.0088 0.2583 ------------ (5) make plots: # use sectinfo from os75bb mkdir webpy cp ../os75bb/webpy/sectinfo.txt webpy quick_web.py --redo - view with a browser, look at webpy/index.html (5) extract data adcp_nc.py adcpdb contour/os75nb RB1503L2 os75nb quick_adcp.py --steps2rerun matfiles --auto done. ready for JASADCP