[ncl-talk] Report of error in web example.

[Dennis Shea]

Also, there are a few other approaches.

; two 'other' approaches for the simple file

  filename  = "example1.csv"

; [1]

  nrow      = numAsciiRow(filename)
  ncol      = 3                                            ; manually
specify
  values_2d = asciiread(filename,(/nrow,ncol/),"integer")
  write_matrix(values_2d,ncol+"2I5",False)

  print("----")

; [2]

  row_one   = asciiread(filename,1,"string")         ; read 1st row as
string;  ;print(row_one)
  NCOL      = str_fields_count(row_one, ",")
  VALUES_2D = asciiread(filename,(/nrow,NCOL/),"integer")
  write_matrix(VALUES_2D, NCOL+"I5" ,False)

On Sun, May 15, 2016 at 4:26 AM, Karin Meier-Fleischer <
meier-fleischer at dkrz.de> wrote:

> Hi Joowan,
>
> you’re right but you can use the newer str_split_csv function to get all
> elements into a 2D array directly:
>
> begin
>   filename = "example1.csv"
>
>   data = asciiread(filename,-1,"string”)
>   print("______________")
>
> ;-- use str_split_csv to get 2d array
>   ncols = dimsizes(str_split(data(0),","))
>
>   values_2d = toint(str_split_csv(data, ",", 0))
>   print(values_2d)
>   print("______________")
>
>   write_matrix(values_2d,ncols+"I5",False)
>
> end
>
> Terminal output:
>  > ncl csv_1.ncl
>  Copyright (C) 1995-2015 - All Rights Reserved
>  University Corporation for Atmospheric Research
>  NCAR Command Language Version 6.3.0
>  The use of this software is governed by a License Agreement.
>  See http://www.ncl.ucar.edu/ for more details.
> (0) 34,67,56
> (1) 36,87,78
> (2) 31,56,88
> (3) 29,67,92
> (4) 54,71,68
> (5) 42,65,82
> (0) ______________
>
>
> Variable: values_2d
> Type: integer
> Total Size: 72 bytes
>             18 values
> Number of Dimensions: 2
> Dimensions and sizes: [6] x [3]
> Coordinates:
> Number Of Attributes: 1
>   _FillValue : -2147483647
> (0,0) 34
> (0,1) 67
> (0,2) 56
> (1,0) 36
> (1,1) 87
> (1,2) 78
> (2,0) 31
> (2,1) 56
> (2,2) 88
> (3,0) 29
> (3,1) 67
> (3,2) 92
> (4,0) 54
> (4,1) 71
> (4,2) 68
> (5,0) 42
> (5,1) 65
> (5,2) 82
> (0) ______________
>
>
>    34   67   56
>    36   87   78
>    31   56   88
>    29   67   92
>    54   71   68
>    42   65   82
>
>
> Bye,
> Karin
>
>
> Am 15.05.2016 um 07:17 schrieb Joowan Kim <joowan at ucar.edu>:
>
> Dear whom it concerns,
>
> Just quick report of error in web example
> "https://www.ncl.ucar.edu/Applications/read_csv.shtml"
>
> In the example page "csv_1.ncl" can NOT reproduce all data in
> "example1.csv"
> (it only reads first colume of each line and simply repeats. Values in 2nd
> and 3rd row
> are ignored) I guess it may confuse some people.
>
> Just FYI
>
> Best!
>
> --
> Joowan Kim
> National Center for Atmospheric Research
> PO Box 3000  Boulder, CO 80307
> web: http://acd.ucar.edu/~joowan
> email: joowan at ucar.edu
>         joowan.k at gmail.com
>
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>
> ____________________________________
> Dipl. Geophys. Karin Meier-Fleischer
> Visualisierung
> Abteilung Anwendungen
>
> Deutsches Klimarechenzentrum GmbH (DKRZ)
> Bundesstrasse 45a * D-20146 Hamburg
> Germany
>
> Phone: +49 (0)40 460094 126
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>
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