Re: 2 Questions about Histograms...
Re: 2 Questions about Histograms...
- Subject: Re: 2 Questions about Histograms...
- From: Lee Manevitch <email@hidden>
- Date: Wed, 05 Sep 2001 11:53:27 -0400
on 9/5/01 11:05 AM, CS Carl Stawicki (4211) at email@hidden
wrote:
>
Is there a way to do this easier? The statistics in the histogram dialog are
>
not any help for determining the total number of tones, or are they?
Sure - just count any non-zero spikes in the histogram, and you have the
number of tones. That is, just move your cursor from left to right over the
histogram and count up the number of areas with 0 pixels, and subtract from
256. There's your number of tones. Repeat for each channel, and you're all
set!
--
Lee Manevitch
Findlay, Ohio PGP Public Key
email@hidden Available upon request
http://home.woh.rr.com/manevitch