HA: histogram from an image

Hi,
use http://root.cern.ch/root/html/TASImage.html#TASImage:GetArgbArray

Regards. Valeriy

-----Исходное сообщение-----
От: owner-roottalk_at_root.cern.ch от имени Roger Mason Отправлено: Чт, 1/29/2009 3:57
Кому: roottalk_at_lxbuild091.cern.ch
Тема: [ROOT] histogram from an image  

Hello,

I'm trying to make a one dimensional histogram (frequencies) of the grey levels of a JPEG image. I can't figure out how to access the pixel values of the image. Can someone point me in the right direction?

Thanks,
Roger

ROOT 5.20/00 (trunk_at_24524, Oct 01 2008, 15:00:00 on linux) Received on Thu Jan 29 2009 - 16:07:20 CET