Compositing Hi-Res Stereo Images - Nuke 101: Professional Compositing and Visual Effects - page 349

a logarithmic mathematical curve, hence it is called a log image. Let's look at the image
as it was scanned.
1. Double-click Read1 to load its Properties panel into the Properties Bin.
2. At the bottom right of the Properties panel, check the Raw Data box ( FIGURE
8.12 ) .
Figure 8.12. The Raw Data check box.
This property asks the Read node to show the image as it is, without any color
management applied. The image looks washed out and is lacking any contrast
( FIGURE 8.13 ) .
Figure 8.13. The raw log image.
So how come you saw it looking better before? This is where Nuke's color man-
agement comes in. Every Read node has a Colorspace property that defines what
LUT to use with an image to convert it to a linear image for correct processing
( FIGURE 8.14 ) .
Figure 8.14. The Colorspace drop-down menu.