VectorColorFunctionScaling

is an option for graphics functions which specifies whether arguments supplied to a vector color function should be scaled to lie between 0 and 1.

Details

The usual default setting is VectorColorFunctionScaling->True.
With VectorColorFunctionScaling->False original unscaled values are fed to the vector color function.
VectorColorFunctionScaling->{s₁,s₂,…} takes s_i to specify whether to scale argument i of the vector color function.
Scaling is done so as to make the minimum and maximum values of all variables lie between 0 and 1.

By default, scaled values are used to color the vectors:

Show arrows colored according to the logarithm of the vector field magnitude:

Highlight vectors whose magnitude is above a threshold:

Scale only the vertical component of the vector field when computing the color:

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