Re: ascii (cnl88)

Further, whenever you send something like this, please attach a
**small subset** of the file.

On 10/9/11 12:32 PM, Chad Herman wrote:
> cnl88,
>
> Your error message can be reproduced with the following code snippet:
>
> x = new((/2,5/), float)
> y = new((/2,6/), float)
> x = y
>
> NCL, unlike many interpreted languages, doesn't permit dynamic
> reassignment of an array variable's dimensions. If you want to
> (referring to the above example) copy y into x, you must first
> "delete(x)" and *then* assign "x = y". You can automate this deletion
> with the following:
>
> if( isdefined("x") )then
> delete(x)
> end if
>
> As to your question about reading in floats and strings, that's not an
> easy solution. Where are the strings? At the top (header)? If so, you
> can read the header in with readAsciiHead and read the rest with
> readAsciiTable. If it's more complicated (like floats and strings
> interspersed), then I would recommend writing a Fortran subroutine to
> handle the text reading.
>
> Regards,
>
> Chad
>
>
> On 10/09/2011 02:00 PM, ncl-talk-request@ucar.edu wrote:
>> Message: 1
>> Date: Sun, 9 Oct 2011 22:30:27 +0800 (CST)
>> From: cnl88<cnl88@163.com>
>> Subject: ascii
>> To:"ncl-talk@ucar.edu"<ncl-talk@ucar.edu>
>> Message-ID:<2b8c3f91.c0f9.132e9178d35.Coremail.cnl88@163.com>
>> Content-Type: text/plain; charset="gbk"
>>
>> ;************************************************
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>> load "/usr/local/ncl/lib/ncarg/nclscripts/wrf/WRF_contributed.ncl"
>> load "/usr/local/ncl/lib/ncarg/nclscripts/csm/contributed.ncl"
>> ;************************************************
>> begin
>> I=12428
>> K=6
>> z= asciiread("./20110411.txt",(/12428,6/),"float")
>> p = z(:,1) ;alt
>> t = z(:,2);nox
>>
>> l = z(:,3) ; so2
>> velocity =z(:,4) ;o3
>> time = z(:,0)
>>
>> CO = z(:,5)
>>
>> p = new ( (/I,K/), typeof(CO) )
>> p(:,0) = z(:,0)
>> p(:,1) = z(:,1)
>> p(:,2) = z(:,2)
>> p(:,3) = z(:,3)
>> p(:,4) = z(:,4)
>> p(:,5) = z(:,5)
>>
>> fmtx = "6f10.6"
>> opt = True
>>
>> opt@fout = fon
>> write_matrix (p,fmtx, opt)
>>
>> end
>>
>> I have two questions.One is the error!the other is that how can i read the data which include float and string! hope for your help!
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Received on Sun Oct 9 13:10:42 2011