Yahoo Groups archive

Digital BW, The Print

Index last updated: 2026-04-28 22:56 UTC

Message

RE: [Digital BW] Re: Understanding channel mixer

2005-02-17 by Paul D. DeRocco

> From: Walt Farrell [mailto:wftemp1@...]
>
> Perhaps I'm still not understanding something, but I'm not convinced
> that making the numbers add up to 100% will necessarily keep the
> luminance the same.

To the extent that the image has colors in it, it won't. But it's a good
starting point, because it at least avoids blown highlights as long as the
individual numbers don't exceed 100%.

--

Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@...

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.