comp.lang.idl-pvwave archive: archive » Re: Calculating a mean band

Home » Public Forums » archive » Re: Calculating a mean band

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

Re: Calculating a mean band [message #54827 is a reply to message #54825]

Wed, 11 July 2007 08:32

Jean H.
Messages: 472
Registered: July 2006

Senior Member

Julio wrote:
> Hi there!
>
> Very simple question... I have a multi-band image (36 bands) and I
> need to calcultate the average of the bands, pixel by pixel.
>
> If I do that:
>
> average_array=mean(multi_band)
>
> I get a single value, because it doesn't work pixel by pixel. So, how
> can I do to make a mean band of all the 36 bands??
>
> Comments welcome.
>
> Best!
> Julio
>

Hi,

You can easily make the sum of you band along a dimension... so
average_array = total(multi_band, 3) / nbOfBands

Jean

Report message to a moderator

[Message index]

		Re: Calculating a mean band By: Conor on Wed, 11 July 2007 08:48
		Re: Calculating a mean band By: Jean H. on Wed, 11 July 2007 08:32
		Re: Calculating a mean band By: greg.addr on Wed, 11 July 2007 08:30

Previous Topic:	text positioning within multiple plots
Next Topic:	Re: Griddata and Contour questions

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 19:21:28 PDT 2025

Total time taken to generate the page: 0.00459 seconds