comp.lang.idl-pvwave archive: archive » Can this be done using array operations instead?

Home » Public Forums » archive » Can this be done using array operations instead?

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

Can this be done using array operations instead? [message #65921]

Thu, 02 April 2009 07:34

robintw
Messages: 37
Registered: March 2009

Member

Hi,

I'm quite new to IDL and I've written a function to calculate some
statistics for an image file in ENVI. The function has to be
calculated for the 3x3 square around every pixel in the image. At the
moment I'm using a couple of nested for loops to do that - is there a
way to do it using array operations instead?

What I suppose I'm asking for is a way to call a particular function
for every element of an array - is that possible. I know it's possible
to do NewArray = OldArray * 2, which is calling the + function on
every element of the array, but is there a way to call my user-defined
function on each element?

I can post code if that would help.

Cheers,

Robin

Report message to a moderator

[Message index]

		Can this be done using array operations instead? By: robintw on Thu, 02 April 2009 07:34
		Re: Can this be done using array operations instead? By: Jeremy Bailin on Thu, 02 April 2009 14:11
		Re: Can this be done using array operations instead? By: robintw on Thu, 02 April 2009 12:43
		Re: Can this be done using array operations instead? By: robintw on Thu, 02 April 2009 11:58
		Re: Can this be done using array operations instead? By: Jean H. on Thu, 02 April 2009 11:39
		Re: Can this be done using array operations instead? By: robintw on Thu, 02 April 2009 10:38
		Re: Can this be done using array operations instead? By: Allan Whiteford on Thu, 02 April 2009 10:16
		Re: Can this be done using array operations instead? By: robintw on Thu, 02 April 2009 09:26
		Re: Can this be done using array operations instead? By: Juggernaut on Thu, 02 April 2009 08:58

Previous Topic:	Re: simultaneous use of multiple font on a postscript file
Next Topic:	Re: highlight text in text widget

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 15:23:16 PDT 2025

Total time taken to generate the page: 0.00354 seconds