Coloring settings

The Inside and Outside tabs of the 

Layer Properties

 tool window select the 

inside and outside

coloring algorithms. They also contain additional coloring settings.

These coloring settings specify how the index value returned by the selected coloring algorithm is 

interpreted by the gradient.

Color Density

Specifies how quickly the colors in the gradient follow each other. 

Values larger than 1 increase the color density. Values below 1 

decrease the color density. The color density must be larger than 0. 

The index value is multiplied by the color density.

Transfer Function

Selects a transfer function that translates the index value, multiplied 

by the color density value, to an entry in the gradient. 

G     

None returns the solid color, ignoring the coloring algorithm.

G     

Linear directly returns the index value.

G     

Sqr squares the index value. When the index value increases, 

the color density appears to increase as well.

G     

Sqrt returns the square root of the index value. This 

decreases the apparent color density as the index value 

increases.

G     

Cube cubes the index value. The color density increases 

faster than when using Sqr.

G     

CubeRoot returns the cubed root of the index value. The 

color density decreases faster than when using Sqrt.

G     

Log returns the natural logarithm of the index value. The 

color density decreases even faster than when using 

CubeRoot.

G     

Exp calculates e

index

. The color density increases even faster 

than when using Cube.

G     

Sin returns the sine of the index value. The result never 

exceeds  1...1 and it repeats itself when the index value 

increases.

G     

ArcTan returns the inverse tangent of the index value. The 

result approaches   pi when the index value becomes very 

high

Solid Color

Specifies the solid color, which can be used for special purposes. See 

Solid color

.

Gradient Offset

Specifies an optional offset in the gradient. This value is added to the 

index value after applying the Transfer function. Since the gradient 

contains 400 entries, the offset value can range from 0 to 399. 

You can achieve the same effect by rotating the gradient, but the 

offset can be specified for Inside and Outside coloring algorithms 

separately.

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