| Re: Filling array in loop [message #77004] |
Mon, 18 July 2011 11:53 |
Alexa
Messages: 8
Registered: June 2011
|
Junior Member |
|
|
On Jul 18, 2:46 pm, Paulo Penteado <pp.pente...@gmail.com> wrote:
> On Jul 18, 3:06 pm, Alexa <alexa7...@gmail.com> wrote:
>
>
>
>> Hi All,
>
>> I'm trying to write a routine that loops through folders, grabs data
>> from each folder, and makes one large array out of all the
>> information. This is what I'm currently trying,
>
>> ;;Open file with list of metallicities and put into an array
>> ReadCol, "MetalsList.txt", Metal, Format='a'
>> print, Metal
>
>> ;;Create temporary arrays for the transitions
>> Result=FLTARR(41, 25)
>
>> ;;Open the metals folders in order to read in col.txt
>
>> for nt=0, N_ELEMENTS(Metal)-1 do begin
>> cd, Metal[nt]
>> print, Metal[nt]
>> ;;Read in column densities
>> ReadCol, 'Result.cd', U, result, Format='a'
>
>> cd, '..'
>
>> ;Fill arrays
>
>> Result(nt)=[U, result]
>> print, Result
>> endfor
>
>> But instead of one large array, I get a smaller array for each folder.
>> Any suggestions on how I can fix this?
>
> On each pass through the line
>
> ReadCol, 'Result.cd', U, result, Format='a'
>
> I would expect (I do not know the details of readcol) the array result
> to be reassigned, containing just what was read, throwing out whatever
> was in it before. If so, you can just use another variable for
> readcol.
Thanks! I just remembered that IDL doesn't care about capitalization.
|
|
|
|
| Re: Filling array in loop [message #77006 is a reply to message #77004] |
Mon, 18 July 2011 11:46  |
penteado
Messages: 866
Registered: February 2018
|
Senior Member
Administrator |
|
|
On Jul 18, 3:06 pm, Alexa <alexa7...@gmail.com> wrote:
> Hi All,
>
> I'm trying to write a routine that loops through folders, grabs data
> from each folder, and makes one large array out of all the
> information. This is what I'm currently trying,
>
> ;;Open file with list of metallicities and put into an array
> ReadCol, "MetalsList.txt", Metal, Format='a'
> print, Metal
>
> ;;Create temporary arrays for the transitions
> Result=FLTARR(41, 25)
>
> ;;Open the metals folders in order to read in col.txt
>
> for nt=0, N_ELEMENTS(Metal)-1 do begin
> cd, Metal[nt]
> print, Metal[nt]
> ;;Read in column densities
> ReadCol, 'Result.cd', U, result, Format='a'
>
> cd, '..'
>
> ;Fill arrays
>
> Result(nt)=[U, result]
> print, Result
> endfor
>
> But instead of one large array, I get a smaller array for each folder.
> Any suggestions on how I can fix this?
On each pass through the line
ReadCol, 'Result.cd', U, result, Format='a'
I would expect (I do not know the details of readcol) the array result
to be reassigned, containing just what was read, throwing out whatever
was in it before. If so, you can just use another variable for
readcol.
|
|
|
|
comp.lang.idl-pvwave archive
Members
Search
Help
Login
Home
