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[ferret_users] z axis spacing
- To: ferret_users@xxxxxxxx
- Subject: [ferret_users] z axis spacing
- From: Sudheer Joseph <sjo.india@xxxxxxxxx>
- Date: Tue, 10 Aug 2010 12:49:20 +0530
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Dear Users,
I am trying to get data sampled at every 3 meters in upper 3 hundred meters and then switching to 30 meters in few steps of 5 10 20 for that I used the pasted below depth intervals.
and below commands to define the grid.
file/var=tt tt
def axis/z/from_data/depth/units=meters zax tt[d=1]
define grid/z=zax ngrd
file/var=var_1/grid ngrd
But If I list the zbox and corresponding z values I get some thing which I did not expect. Can any one comment on this? is it a bug or am I using ferret in a way I am not supposed to do?
I get un expected values for zbox with 15 against z values of 10 meter gap!! How this can happen?
4.5 may be expected as depth adjustment between 301 and 306 but how can it be expected to see 15 meter depth between 340 and 350?
yes? list zbox[gz=zax],z[gz=zax]
DEPTH (m): 278.5 to 625
Column 1: ZBOX is ZBOX (axis ZAX)
Column 2: Z is Z (axis ZAX)
ZBOX Z
280 / 1: 3.00 280.0
283 / 2: 3.00 283.0
286 / 3: 3.00 286.0
289 / 4: 3.00 289.0
292 / 5: 3.00 292.0
295 / 6: 3.00 295.0
298 / 7: 3.00 298.0
301 / 8: 4.00 301.0
306 / 9: 4.50 306.0
310 / 10: 7.00 310.0
320 / 11: 10.00 320.0
330 / 12: 10.00 330.0
340 / 13: 10.00 340.0
350 / 14: 15.00 350.0
370 / 15: 20.00 370.0
390 / 16: 15.00 390.0
400 / 17: 20.00 400.0
430 / 18: 30.00 430.0
460 / 19: 30.00 460.0
490 / 20: 30.00 490.0
520 / 21: 30.00 520.0
550 / 22: 30.00 550.0
580 / 23: 30.00 580.0
610 / 24: 30.00 610.0
--
depths in file tt
$ cat tt
280
283
286
289
292
295
298
301
306
310
320
330
340
350
370
390
400
430
460
490
520
550
580
610
with best regards
Sudheer
**********************************************************************************
Sudheer Joseph
Scientist
Indian National Centre for Ocean Information Services (INCOIS)
Ocean Valley, Post Box No# 21,
IDA Jeedimetla P.O.
Hyderabad, Ranga Reddy District - 500 055
Andhra Pradesh, India.
TEl:+91-40-23044600(R),Tel:+91-9440832534(Mobile)
Tel:+91-40-23886047(O),Fax:+91-40-23892910(O)
E-mail:sjo@xxxxxxxxxxxxxx; sudheer.joseph@xxxxxxxxx; sjo@xxxxxxxxxxxxx.
Web- http://oppamthadathil.tripod.com
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