
498 Chapter 13
Figure 13.33 Saturation RGB all 2.0.
Log
ASC CDL operations will have similar effects
on images in the common encodings that are
generally log. Those encodings include printing
density (e.g. Cineon, DPX), commonly seen from
lm scanners and created or imitated by other
sources; and the various log modes output by
various digital cameras to present a more lm-
like response with a wider dynamic range (at least
until cameras put out the high dynamic range
Academy ACES “scene-referred linear” oating
point format). Some “log” encodings have special
handling near the toe (blacks/crush) or shoulder
(whites/roll-of ...