Touring the Interface with a Basic Composite - Nuke 101: Professional Compositing and Visual Effects - page 82

4. Advance one frame by hovering over the Viewer and pressing the right arrow on
your keyboard.
Notice that the color of the property's Gain field is now showing a subtler blue
color ( FIGURE 2.55 ) . This indicates that there is animation for the property, but
there is no keyframe at this point in time.
Figure 2.55. A light blue field indicates that this property has animation,
but no keyframe at the current frame.
5. PlaywiththeGainslideruntilyoureacharesultthatmatchesthedoll'sbrightness
to that of the background. I stopped at 0.025.
A keyframe is now automatically added. Once the first keyframe is set, every
changeinvaluetothepropertywillresultinakeyframeontheframeyouarecur-
rently on. Notice the color of the numeric box changed from the light blue color
to a bright blue color, indicating a keyframe has been created for this frame.
6. Advance another frame forward to frame 44 and adjust the gain again. I stopped
at 0.0425.
Tip
Rememberthatonewayofmanipulatingvaluesistoclickinthefield
and then use the arrow keys to change every decimal point number
by placing the mouse cursor to the left of it. This makes fine adjust-
ments easy!
7. Repeat the process for frames 45 and 46 as well. I had 0.41 and then 1.0.