comp.lang.idl-pvwave archive: archive » Re: Question about storing arrays in pointer array.

Home » Public Forums » archive » Re: Question about storing arrays in pointer array.

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Question about storing arrays in pointer array. [message #79504]

Thu, 08 March 2012 14:44

cgguido
Messages: 195
Registered: August 2005

Senior Member

On Thursday, March 8, 2012 3:42:44 PM UTC-6, Ian wrote:
> Hello All,
> I have a question regarding the storage of arrays within arrays. I am
> attempting to read in 14 data files with 5 vectors of 512 elements. I
> have attempted two methods:
>
>
> ;test attempting to read in variety of data and overplot it in a stack
> ;without y-axis and single x-axis
>
> boo=DBLARR(14, 512)
> ;boo=PTRARR(14)
> for x = 0,13,1 do begin
> rdcol, 'iz_diff_rot'+STRCOMPRESS(x,/REMOVE_ALL)
> +'.dat',p1,p2,p3,p4,p5
> print, i, " The dat file is: ", 'iz_diff_rot'+STRCOMPRESS(x,/
> REMOVE_ALL)+'.dat'
>
> ;attempt 1
> ;Fills the pointer array with 14 dbl arrays. Use boo=PTR....
> ; for i=0,13,1 do begin
> ; boo[i]=PTR_NEW(DBLARR(512))
> ; p5=boo[i]
> ; endfor
> ;endfor
>
> ;attempt 2
> ;Creates two dimensional array of 14 columns with 512 elements. Use
> boo=DBL....
> for i = 0,13,1 do begin
> for j = 0,511,1 do begin
> boo[i,j]=p5[j]
> endfor
> print, boo[i,300]
> endfor
> endfor
>
>
> END
>
> Attempt one using the pointer array provides 14 arrays but the values
> are all zero, can anybody give a suggestion on how to store the new p5
> in boo[i]?
>
> Thanks for your time.
> Sincerely
> Ian

What's wrong with a 3D array [14,512,5] ?

What does the pointer business do for you here?

G

Report message to a moderator

[Message index]

		Re: Question about storing arrays in pointer array. By: cgguido on Thu, 08 March 2012 14:44
		Re: Question about storing arrays in pointer array. By: David Fanning on Thu, 08 March 2012 14:35
		Re: Question about storing arrays in pointer array. By: Ian[2] on Fri, 09 March 2012 08:01
		Re: Question about storing arrays in pointer array. By: Ian[2] on Fri, 09 March 2012 08:05

Previous Topic:	using cgSurface to produce a scatter 3D plot with 4th dimension
Next Topic:	Re: type conversion in GPULIB

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 18:03:39 PDT 2025

Total time taken to generate the page: 0.00391 seconds