comp.lang.idl-pvwave archive: archive » Re: IDL 8 image function

Home » Public Forums » archive » Re: IDL 8 image function

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

Re: IDL 8 image function [message #74783 is a reply to message #74780]

Wed, 02 February 2011 05:31

sh
Messages: 26
Registered: April 2010

Junior Member

On Feb 2, 12:44 pm, sh <sebastian.h...@gmail.com> wrote:
> On Feb 2, 11:44 am, David Forcadell <david...@gmail.com> wrote:
>
>> On Feb 2, 11:02 am, sh <sebastian.h...@gmail.com> wrote:
>
>>> Hi,
>
>>> Is there any option/keyword to turn of the scaling between 0-255? I
>>> have already scaled by values e.g. between 0 and 100 because I only
>>> want to use this colors in the colortable, and not all of them!
>>> Thanks!
>
>>> Sebastian
>
>> I am not sure that i understand you question, but perhaps you want
>> this :
>
>> result=BYTSCL( MAT_IN , TOP=100)
>
> Yes I do it exactly like this, but image() rescales it again between 0
> and 255. How to turn this off?

Another question, is there any possiblity to set a background value
like NaN in iimage?

All NaN values are transformed to 0 after bytscl?

Report message to a moderator

[Message index]

		Re: IDL 8 image function By: penteado on Wed, 02 February 2011 11:20
		Re: IDL 8 image function By: sh on Wed, 02 February 2011 09:35
		Re: IDL 8 image function By: David Fanning on Wed, 02 February 2011 09:00
		Re: IDL 8 image function By: sh on Wed, 02 February 2011 08:51
		Re: IDL 8 image function By: Paul Van Delst[1] on Wed, 02 February 2011 08:35
		Re: IDL 8 image function By: David Fanning on Wed, 02 February 2011 08:21
		Re: IDL 8 image function By: sh on Wed, 02 February 2011 08:11
		Re: IDL 8 image function By: penteado on Wed, 02 February 2011 07:51
		Re: IDL 8 image function By: David Fanning on Wed, 02 February 2011 07:43
		Re: IDL 8 image function By: sh on Wed, 02 February 2011 07:30
		Re: IDL 8 image function By: sh on Wed, 02 February 2011 05:31
		Re: IDL 8 image function By: sh on Wed, 02 February 2011 03:44
		Re: IDL 8 image function By: David Forcadell on Wed, 02 February 2011 02:44
		Re: IDL 8 image function By: sh on Thu, 03 February 2011 00:28
		Re: IDL 8 image function By: sh on Thu, 03 February 2011 00:28
		Re: IDL 8 image function By: sh on Thu, 03 February 2011 00:28

Previous Topic:	Lists in strsplit
Next Topic:	Error Bar Thoughts

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Nov 28 09:17:40 PST 2025

Total time taken to generate the page: 0.24235 seconds