Filters

RustEdit Pro

The nodes in the Filters category of the Terrain Graph's Add Node menu. Round sockets carry maps and square sockets carry single values. See Graph editor.

Amplitude

Multiply the field by a gain value.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
Amplitude	Number	1	Multiplies the values. 1 keeps them as they are. The result stays between 0 and 1. Slider from 0 to 2.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Clamp

Limit values to a range.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
Min	Number	0	Values below this are raised to it. Slider from 0 to 1.
Max	Number	1	Values above this are lowered to it. Slider from 0 to 1.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Contrast

Brightness and contrast around a pivot value.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
Brightness	Number	0	Added to every value after the contrast. Slider from -1 to 1.
Contrast	Number	1	Above 1 pushes values away from the pivot, below 1 pulls them towards it. Slider from 0 to 4.
Pivot	Number	0.5	The value that contrast leaves where it is. Slider from 0 to 1.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Curve

Reshape values through a curve you draw.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Settings

Setting	Kind	Default	Notes
Curve	Curve		Click to edit. The input runs along the bottom from 0 to 1; the curve's height is the output.

Function

Abs, sine, cosine, smoothstep or inverse lerp on every pixel.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
Function	Choice	Abs	The function to apply to every pixel. Options: Abs, Sin, Cos, Smoothstep, Inverse Lerp.
A	Number	0	Smoothstep and Inverse Lerp only. The value that becomes 0. Shows only with some settings.
B	Number	1	Smoothstep and Inverse Lerp only. The value that becomes 1. Shows only with some settings.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Invert

Flip values (1 - v).

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Levels

Set the black and white points, bend the middle with gamma, and pick the output range.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
In Black	Number	0	Input values at or below this become the output black. Slider from 0 to 1.
In White	Number	1	Input values at or above this become the output white. Slider from 0 to 1.
Gamma	Number	1	Bends the middle values. Above 1 lifts them, below 1 lowers them. Slider from 0.1 to 5.
Out Black	Number	0	The lowest value the output can have. Slider from 0 to 1.
Out White	Number	1	The highest value the output can have. Slider from 0 to 1.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Normalize

Stretch values to fill 0..1.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Power

v -> pow(v, exponent).

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
Exponent	Number	2	Bends the values. Above 1 pushes the middle values down, below 1 lifts them. 1 changes nothing. Slider from 0.05 to 8.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Quantize

Round every pixel to a set number of levels.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
Steps	Whole number	255	How many levels above 0. Slider from 1 to 65535.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Remap

Linearly remap an input range to an output range.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
In Min	Number	0	Input values at or below this become Out Min. Slider from 0 to 1.
In Max	Number	1	Input values at or above this become Out Max. Slider from 0 to 1.
Out Min	Number	0	The value that In Min and lower inputs become. Slider from 0 to 1.
Out Max	Number	1	The value that In Max and higher inputs become. Slider from 0 to 1.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Smooth

Blur / soften the field.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
Radius	Whole number	4	How far the blur reaches, in pixels each way. 0 turns it off. Slider from 0 to 64.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Terrace

Stepped plateaus / strata.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
Steps	Whole number	8	How many steps the values are cut into, from bottom to top. Slider from 2 to 64.
Sharpness	Number	0.5	How hard the step edges are. 0 gives soft, rounded steps. 1 gives flat steps with sheer jumps. Slider from 0 to 1.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Transform

Zoom / pan / rotate the field.

Inputs

Input	Kind	Default	Notes
In	Map, any width		The value this node works on.
Scale	Number	1	Zooms in on the input. 2 makes its features twice as big, 0.5 half as big. Slider from 0.05 to 8.
Offset X	Number	0	Moves the view across the input, in map widths. 0.5 puts its right edge in the middle.
Offset Y	Number	0	Moves the view up the input, in map widths. 0.5 puts its top edge in the middle.
Rotation	Number	0	Turns the input clockwise, in degrees. Slider from 0 to 360.

Outputs

Output	Kind
Out	Map, any width. The result this node produces.

Warp

Domain-warp the field for organic distortion.

Inputs

Input	Kind	Default	Notes
In	Map		The value this node works on.
Mask	Map
Amount	Number	0.05	How far the warp pushes the map, in map widths. 0.05 moves points up to 5 percent of the map. Slider from 0 to 0.5.
Noise Scale	Number	600	The size of the warp swirls, in meters. Only used when no Mask is wired in.
Seed Offset	Whole number	0	Change it to get a different random warp. Only used when no Mask is wired in.

Outputs

Output	Kind
Out	Map. The result this node produces.