[ncl-talk] Error with skewT_PlotData

Mon Oct 29 15:24:07 MDT 2018

Hi James,
Without having your data and script here, it might be easier for you to
copy $NCARG_ROOT/lib/ncarg/nclscripts/csm/skewt_func.ncl over to your local
directory, call the local version at the top of your script, and put in
print statements around line 950 to see if you can figure out what is
happening. My guess is that the idw array is missing. You can verify that
by putting the following print statements in at line 949:
printVarSummary(P)
print(idw)

Once you can see what the issue is with idw you can hopefully trace back
the issue to the source from there.

If you have further questions about this let the ncl-talk email list know.
Adam

On Mon, Oct 29, 2018 at 10:25 AM James Russell <jorussel at ncsu.edu> wrote:

> Hi,
>
> I'm currently trying to plot skewT diagrams with the standard
> skewT_PlotData function. However, I'm getting an error about subscripting
> at the skewT_PlotData line in my code. This is shown in the print out
> below. I've seen this error a thousand times and it's usually a very simple
> correction in my own code. However, this time I'm subscripting nothing and
> feeding skewT_PlotData arrays that are all just one dimension, with 39
> points.
>
> An exert from my code is below (the rest is just reading in the data) and
> also a print out from the code. Any help would be appreciated?
>
> Thanks,
> James
> ------------------------------------------------------
> ;*************************
> ; Resources
> ;*************************
>
> skewtOpts                 = True
> skewtOpts at DrawColAreaFill = True
> skewtOpts at tiMainString    = ""
> skewtOpts at vpWidthF        = 0.38
> skewtOpts at vpHeightF       = 0.38
> skewtOpts at DrawFahrenheit  = False
> skewtOpts at tiXAxisString  = "Temperature (C)"
> skewtOpts at tmXBLabelFontHeightF = 0.0225
> skewtOpts at tmYLLabelFontHeightF = 0.0225
> skewtOpts at tiMainFontHeightF    = 0.0225
> skewtOpts at tiMainOffsetXF  = 0.0
>
> dataOpts = True
> dataOpts at DrawWindBarbThk = 2.0
>
> ;*************************
> ; Plot
> ;*************************
>
> print(PR07n)
>
> print("Plotting data")
>
> wks  = gsn_open_wks ("png", "skewt_norsou")
>
> skewtOpts at vpXF            = 0.08
> skewtOpts at vpYF            = 0.95
> skewt_bkgd_1 = skewT_BackGround(wks,skewtOpts)
> skewt_data_1 =
> skewT_PlotData(wks,skewt_bkgd_1,PR07n,TC07n,TD07n,Zm07n,Ws07n,Wd07n,dataOpts)
> draw(skewt_bkgd_1)
> draw(skewt_data_1)
>
> -------------------------------------------------
>
> Print out:
>
> data/figs> ncl plot_skewT_ns.ncl
>  Copyright (C) 1995-2017 - All Rights Reserved
>  University Corporation for Atmospheric Research
>  NCAR Command Language Version 6.4.0
>  The use of this software is governed by a License Agreement.
>  See http://www.ncl.ucar.edu/ for more details.
> (0) Reading data
>
>
> Variable: PR07n
> Type: float
> Total Size: 156 bytes
>             39 values
> Number of Dimensions: 1
> Dimensions and sizes: [lev | 39]
> Coordinates:
>             lev: [0.9965..0.002989615]
> Number Of Attributes: 4
>   _FillValue : 9.96921e+36
>   units : Pa
>   long_name : PR
>   average_op_ncl : dim_avg_n over dimension(s): time
> (0) 965.5065
> (1) 957.6194
> (2) 946.9515
> (3) 933.5039
> (4) 916.8141
> (5) 895.9583
> (6) 870.9427
> (7) 842.1523
> (8) 811.4512
> (9) 780.7855
> (10) 750.1562
> (11) 707.0631
> (12) 653.2709
> (13) 602.9095
> (14) 555.7852
> (15) 511.7217
> (16) 470.5537
> (17) 432.1226
> (18) 396.2743
> (19) 362.8608
> (20) 331.7417
> (21) 302.7841
> (22) 275.8629
> (23) 250.8601
> (24) 227.664
> (25) 206.1693
> (26) 186.2755
> (27) 167.8874
> (28) 151.0405
> (29) 135.8232
> (30) 122.1585
> (31) 109.8879
> (32) 98.86901
> (33) 88.97418
> (34) 80.08877
> (35) 72.10982
> (36) 64.94485
> (37) 58.51083
> (38) 52.73309
> (0) Plotting data
> fatal:Subscript out of range, error in subscript #0
> fatal:An error occurred reading P
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 950 in
> file $NCARG_ROOT/lib/ncarg/nclscripts/csm/skewt_func.ncl
>
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 2199 in
> file $NCARG_ROOT/lib/ncarg/nclscripts/csm/skewt_func.ncl
>
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 79 in
> file plot_skewT_ns.ncl
>
>
>
> -----------------------------------------------------------------------------
> Graduate Research & Teaching Assistant
> PhD Candidate: Atmospheric Science
> Department of Marine, Earth, and Atmospheric Sciences
> North Carolina State University
> http://go.ncsu.edu/james-russell
> --------------------------------------------------------------------------
>
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-- 
Adam Phillips
Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
www.cgd.ucar.edu/staff/asphilli/   303-497-1726

<http://www.cgd.ucar.edu/staff/asphilli>
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