"Ralph Hertle" <zxcvzxcv3@[EMAIL PROTECTED]
> wrote in message
news:4786EC57.6080501@[EMAIL PROTECTED]
> alt.astronomy:
>
> When film photography was big the Kodak neutral gray card placed
> in the photo was a useful way to check the colors in the resulting
> print.
>
> Is there a map that shows the maximum number of 255 colors for each
> of the R, G, and B hues? Additionally, it would also show all possible
> 255 grays.
>
> My computer graphics card and monitor can display 255^3 possible
> color hues, however, providing a file with examples of all possible
> combinations of colors has no practicality.
>
> That file could be posted in both the .tif and .jpg file formats, and
> imagers could check the displayed performance of their graphics
> cards, monitors, and monitor brightness and contrast settings.
>
>
> Ralph Hertle
sensor manufacturers generally use MacBeth charts for calibration Ralph
http://www.akdart.com/macbeth.html
|
