comp.lang.idl-pvwave archive: archive

Home » Public Forums » archive » croping jpeg image

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

Re: croping jpeg image [message #91220 is a reply to message #91207]

Wed, 17 June 2015 16:27

jimuba
Messages: 9
Registered: February 2009

Junior Member

Considering:

> i have opened a jpeg image in idl using
> tv,image,true=1

This means that the image array is pixel interleaved, with dimensions like:

[3,n,m]

To crop the image you need to specify all three dimension in the array, for example:

image=image[*,lowx:topx,lowy:topy]

I hope this helps.

-Jim

Report message to a moderator

[Message index]

		croping jpeg image By: kpaapu123 on Wed, 17 June 2015 06:44
		Re: croping jpeg image By: Phillip Bitzer on Wed, 17 June 2015 11:46
		Re: croping jpeg image By: Shaktivel Pillai on Wed, 17 June 2015 21:27
		Re: croping jpeg image By: Dick Jackson on Wed, 17 June 2015 21:41
		Re: croping jpeg image By: jimuba on Wed, 17 June 2015 16:27
		Re: croping jpeg image By: Shaktivel Pillai on Wed, 17 June 2015 21:27

Previous Topic:	Issue using the XROI command
Next Topic:	cgWindow - what am I doing wrong that makes winID change values?

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 14:13:08 PDT 2025

Total time taken to generate the page: 0.00268 seconds