Creating Realistic Visualizations - Mastering Lumion 3D - page 166

Color grading usually is the final step when correcting an image because we are
giving the final look to the image or movie. We have stopped at the Saturation setting
because the next settings are the tools you need to give the final look to the scene.
How do Red Shift and Blue Shift work? Both these settings are going to remove
some colors from the scene. For example, if you use a negative value for Red Shift ,
the image will get a Cyan tint, but if you use a positive value, the image will get
a purple tint. Blue Shift works in the same way, but in this case, a negative value
creates an image with a yellow tint and a positive value will create a blue tint.
Great, but how can we apply this to give the final look? For example, if you set Red
Shift to 0.6 , this will add more red color to the image. If we set Blue Shift to -0.3 ,
the blue color will be removed from the image. What is the final result? You created a
warmer mood that will work great for sunny days or to create a cozier environment.
So, why don't you try to invert the values for both settings and see the final result?
Adding vignette
What a strange word— vignette . In reality, this is a French word to describe different
things, but in photography and in 3D, this word is used to describe an undesired
effect caused by camera settings. When the corners of an image are darkened, which
can be very strong or hardly noticeable when compared with the center, it is called
vignette, as shown in the following screenshot:
This effect can be found under the Artistic tab and is called vignette. The settings
are very simple; we have Vignette Amount to control the quantity of vignette and
Vignette Softness to control how strong the vignette is.