comp.lang.idl-pvwave archive: archive » Re: shifting a mask over an image

Home » Public Forums » archive » Re: shifting a mask over an image

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

Re: shifting a mask over an image [message #82251]

Mon, 26 November 2012 07:41

haikoley
Messages: 5
Registered: November 2012

Junior Member

On Monday, November 26, 2012 12:13:49 PM UTC+1, haik...@gmail.com wrote:
> Hi,
>
>
>
> I'm trying to move a mask over an image using the shift function. But I'm not sure if I really understood the description in the IDL help.
>
>
>
> Let's say I have a 10x10 mask and a 100x100 image. In this case I have to create an array with the same size as my image. It is filles with 0 and my mask. Then I start moving the mask inside that array (in x direction and y direction). But every time I do it with both direction, there is an error message telling me that I have an incorrect number of arguments. It works fine for one dimension, though.
>
>
>
> Has anyone an idea how I can shift in both directions?
>
>
>
> Btw, my code looks like this:
>
>
>
> for i=0, n-1 do begin
>
> for j=0, n-1 do begin
>
> result=shift(template, shift_x[i], shift_y[j])
>
> cor=where(max(correlate(result, image))
>
> endfor
>
> endfor
>
>
>
>
>
> thanks,
>
> max

Yes, it does work now, thank you very much.

Report message to a moderator

[Message index]

		Re: shifting a mask over an image By: haikoley on Mon, 26 November 2012 07:41
		Re: shifting a mask over an image By: tom.grydeland on Mon, 26 November 2012 04:21
		Re: shifting a mask over an image By: Mats Löfdahl on Mon, 26 November 2012 04:18

Previous Topic:	Re: SVN Toolkit - IDL8.2.1 Linux not working
Next Topic:	repeat vs. while

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 20:11:15 PDT 2025

Total time taken to generate the page: 0.00422 seconds