LAST CHANGED : 2011/04/16 01:09:23 CRUISE NAME(S) : A10_2011 (rb1102) CRUISE DATES : 2011/09/26 to 2011/10/31 SHIP NAME : Ron Brown PORTS : Capetown, South Africa to Rio de Janeiro, Brazil CHIEF SCIENTIST : Molly Baringer DATABASE NAME : aship DATA FILES : rb2011_268_46834.raw to rb2011_303_36000.raw STATUS : to do done ------ ----------- averaged [ x ] loaded [ x ] NOTE: time-dependent heading corrections applied IN the ensembles check heading correction [ x ] calibration [ x ] edited [ x ] re-check heading correction [ x ] check editing [ x ] figures [ x ] ready for release to 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 2011/09/25 13:07:26 off 300 80 8 5 8 22.00 0.00 0001 2011/09/26 14:07:28 off 300 80 8 5 8 22.00 0.00 0001 2011/09/27 15:07:27 off 300 80 8 5 8 22.00 0.00 0001 2011/09/28 16:07:25 off 300 80 8 5 8 22.00 0.00 0001 2011/09/29 17:07:26 off 300 80 8 5 8 22.00 0.00 0001 2011/10/01 19:07:27 off 300 80 8 5 8 22.00 0.00 0001 2011/10/02 20:07:24 off 300 80 8 5 8 22.00 0.00 0001 2011/10/10 19:48:36 off 300 80 8 5 8 22.00 0.00 0001 2011/10/12 21:48:39 off 300 80 8 5 8 22.00 0.00 0001 2011/10/13 22:48:38 off 300 80 8 5 8 22.00 0.00 0001 2011/10/14 23:48:38 off 300 80 8 5 8 22.00 0.00 0001 2011/10/16 00:48:39 off 300 80 8 5 8 22.00 0.00 0001 2011/10/17 01:48:36 off 300 80 8 5 8 22.00 0.00 0001 2011/10/18 02:48:39 off 300 80 8 5 8 22.00 0.00 0001 2011/10/20 04:48:38 off 300 80 8 5 8 22.00 0.00 0001 2011/10/23 07:48:37 off 300 80 8 5 8 22.00 0.00 0001 2011/10/24 08:48:37 off 300 80 8 5 8 22.00 0.00 0001 2011/10/26 10:48:38 off 300 80 8 5 8 22.00 0.00 0001 2011/10/28 12:48:39 off 300 80 8 5 8 22.00 0.00 0001 2011/10/29 13:48:36 off 300 80 8 5 8 22.00 0.00 0001 HEADING : PRIMARY : gyro CORRECTION : mahrs POSITIONS : gps (specify more detail if available) CALIBRATION : original angle = 22.0deg final transducer angle is: (original transducer angle) - (rotate_angle) original scale factor 1 additional scale factor (none) COMMENTS : Very noisy ship results in very poor range when underway. Range on station is better. PROCESSOR : J.Hummon --- processing parameters ---------- ## (determined from "sonar"): model = os ## (determined from "sonar"): frequency = 75 ## (determined from "sonar"): pingtype = bb ## (determined from "sonar"): instname = os75 ## ping_headcorr is True ## hcorr_inst is mahrs beamangle 30 configtype python cruisename RB1102 datatype uhdas ens_len 300 fixfile None pgmin 50 proc_engine python sonar os75bb yearbase 2011 =============== re-processing steps in detail ================= (1) run adcptree.py os75bb --datatype uhdas --cruisename RB1102 (2) change directories to ADCP processing directory just created cd os75bb (4) create a quick_adcp.py control file unix: this example is written as a bash "heredoc" for cut-and-past ease, but you can create q_py.cnt with an editor to have the parts between (or including) the comments cat << EOF > q_py.cnt ####----- begin q_py.cnt------------ ## all lines after the first "#" sign are ignored --yearbase 2011 --cruisename RB1102 # used to identify configuration files # *must* match prefix of files in config dir --update_gbin ## NOTE: You must remake gbins for python processing if ## - you are not sure ## - if parameters for averaging changed ## - various other reasons. ## ==> just do it, and put them somewhere else ## (see next argument) # --py_gbindirbase gbin # (will put them locally) --configtype python ## python processing can read either type --sonar os75bb --dbname aship --datatype uhdas --ens_len 300 --ping_headcorr ## applies heading correction. ## settings found in config files --proc_engine python ## use python to do calculations --max_search_depth 1500 ## do not look for the bottom in open ocean EOF ---------- (5) run quick_adcp.py: quick_adcp.py --cntfile q_py.cnt --auto ---------- (6) (a) check calibration:heading correction device: figview.py cal/rotate/*png conclude: no action needed (b) check calibration: **watertrack** (cal/watertrk/adcpcal.out) ------------ Number of edited points: 258 out of 262 amp = 0.0000 + 1.0017 (t - 287.0) phase = -0.01 + -0.0584 (t - 287.0) median mean std amplitude 1.0020 1.0017 0.0060 phase -0.0415 -0.0584 0.4149 ------------ - see if there is an offset between GPS and transducer - cat cal/watertrk/guess_xducerxy.out ------------------ guessing ADCP (dx=startboard, dy=fwd) meters from GPS fixfile is aship.gps calculation done at 2012/05/08 00:59:44 xducer_dx = -6.563819 xducer_dy = 6.871387 ------------------ yes; offset is not that large but signal is strong. Might as well fix it. quick_adcp.py --xducer_dx -6 --xducer_dy 7 --steps2rerun navsteps:calib --auto check watertrack cal again **watertrack** ------------ Number of edited points: 257 out of 262 amp = 0.0001 + 1.0014 (t - 287.0) phase = -0.01 + -0.0727 (t - 287.0) median mean std amplitude 1.0010 1.0014 0.0055 phase -0.0460 -0.0727 0.4113 <== reduced stddev slightly quick_adcp.py --steps2rerun rotate:navsteps:calib --auto --rotate_angle -.04 **watertrack** ------------ Number of edited points: 228 out of 254 amp = 0.0001 + 1.0015 (t - 286.6) phase = -0.01 + -0.0099 (t - 286.6) median mean std amplitude 1.0020 1.0015 0.0057 phase 0.0150 -0.0099 0.4234 ------------------- (7) edit "gautoedit" (go to "edit" directory with command line, type "gautoedit.py" # apply editing: cd .. quick_adcp.py --steps2rerun apply_edit:navsteps:calib --auto # check editing -- looks OK dataviewer.py - check calibrations again (OK) ## finish up: quick_adcp.py --steps2rerun matfiles quick_web.py --interactive --cruisename 'A10'