comp.lang.idl-pvwave archive: archive » Re: Efficient Programming

Home » Public Forums » archive » Re: Efficient Programming

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

Re: Efficient Programming [message #4615]

Sun, 02 July 1995 00:00

Leonard Kramer
Messages: 2
Registered: July 1995

Junior Member

dean@phobos.cira.colostate.edu wrote:
>
> What would be the most efficient way to get this to work in IDL. This is
> obvious slow with the FOR DO BEGIN.....
>
>
> Kelly Dean
> CSU/CIRA
>
> ============================================================ ===============
>
> nx = 1024
> ny = 768
> North_bound = 3429
> West_bound = 9249
> line_res = 4
> elem_res = 8
> LINarr = LONarr(nx*ny)
> PIXarr = LONarr(nx*ny)
> k = 0L
> * FOR y = 0, ny-1 DO BEGIN
> * FOR x = 0, nx-1 DO BEGIN
> * LINarr(k) = North_bound + ( y * line_res)
> * PIXarr(k) = West_bound + ( x * elem_res)
> * k = k + 1L
> * ENDFOR
> * ENDFOR
>

You see those lines I marked with an * above. Replace them
with:

Report message to a moderator

[Message index]

		Re: Efficient Programming By: Leonard Kramer on Sun, 02 July 1995 00:00
		Re: Efficient Programming By: Leonard Kramer on Sun, 02 July 1995 00:00
		Re: Efficient Programming By: hebeling on Sun, 02 July 1995 00:00

Previous Topic:	Re: Efficient Programming (This post finally worked)
Next Topic:	Efficient Programming

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 15:34:01 PDT 2025

Total time taken to generate the page: 0.00466 seconds