Palette:noise

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Summary
[edit]

The Noise COMP generates a variety of noise patterns based on the selected noise type. More information about how the noise patterns are calculated can be found on this blog by Brian Sharpe.

PythonIcon.pngPalette:noise Ext


Parameters - Noise Page

Help Help - Opens this page.

Version Version - Current version of this COMP.

Type Type - - The noise function used to generate noise. The functions available are:

  • Value 2D value2d -
  • Value 3D value3d -
  • Value 4D value4d -
  • Perlin 2D perlin2d -
  • Perlin 3D perlin3d -
  • Perlin 4D perlin4d -
  • Value Perlin 2D valueperlin2d -
  • Value Perlin 3D valueperlin3d -
  • Cubist 2D cubist2d -
  • Cubist 3D cubist3d -
  • Cellular 2D cellular2d -
  • Cellular 3D cellular3d -
  • Polkadots 2D polkadot2d -
  • Polkadots 3D polkadot3d -
  • Stars 2D stars2d -
  • Simplex Perlin 2D simplexperlin2d -
  • Simplex Polkadot 2D simplexpolkadot2d -
  • Simplex Cellular 2D simplexcellular2d -
  • Simplex Perlin 3D simplexperlin3d -
  • Simplex Cellular 3D simplexcellular3d -
  • Simplex Polkadots 3D simplexpolkadot3d -
  • Hermite 2D hermite2d -
  • Hermite 3D hermite3d -
  • Value Hermite 2D valuehermite2d -
  • Value Hermite 3D valuehermite3d -

Derivative Derivative - Calculates the derivative of certain noise function.

Amplitude Amp - Defines the noise value's amplitude (a scale on the values output).

Offset Offset - Defines the midpoint color of the noise pattern, the default is 0.5 grey.

Translate T - - The Translate, Rotate, Scale and Pivot parameters let you sample in a different part of the 3D noise space. Imagine a different noise value for every XYZ point in space. Normally, the Noise CHOP samples the noise space from (0,0,0) along the X-axis in steps of 2/period. /tx /ty /tz /rx /ry /rx /sx /sy /sz /px /py /pz

By changing the transform, you are translating, rotating and scaling the line along which the Noise CHOPs samples the noise space. A slight Y-rotation is like walking in a straight path in the mountains, recording your altitude along the way, then re-starting from the same initial location, walking in a slightly different direction. Your altitude starts off being similar but then diverges.

  • Translate Tx -
  • Translate Ty -
  • Translate Tz -

Translate 4D T4d - When using a 4D noise type, this applies a translation to the 4th coordinate. The previous transformation parameters do not affect the 4th coordinate.

Blend Value Blend - Sets blend value for Value Perlin 2D and Value Perlin 3D.

Clamp Min Clampmin - Sets the clamp minimum for Cubist 2D and Cubist 3D Noise.

Clamp Max Clampmax - Sets the clamp maximum for Cubist 2D and Cubist 3D Noise.

Scale S - - The Translate, Rotate, Scale and Pivot parameters let you sample in a different part of the 3D noise space. Imagine a different noise value for every XYZ point in space. Normally, the Noise CHOP samples the noise space from (0,0,0) along the X-axis in steps of 2/period. /tx /ty /tz /rx /ry /rx /sx /sy /sz /px /py /pz

By changing the transform, you are translating, rotating and scaling the line along which the Noise CHOPs samples the noise space. A slight Y-rotation is like walking in a straight path in the mountains, recording your altitude along the way, then re-starting from the same initial location, walking in a slightly different direction. Your altitude starts off being similar but then diverges.

  • Scale Sx -
  • Scale Sy -
  • Scale Sz -

Scale 4D S4d - When using a 4D noise type, this changes the scale of 4th coordinate.

Radius Min Radiusmin - Sets the minimum radius of the points in Stars 2D, Simplex Polkadot 2D and Simplex Polkadot 3D.

Radius Max Radiusmax - Sets the maximum radius of the points in Stars 2D, Simplex Polkadot 2D and Simplex Polkadot 3D.

Probability Probability -

Dimness Dimness - Sets the Dimness for the points in Stars 2D, Simplex Polkadot 2D and Simplex Polkadot 3D.

Value Value - Sets the Value for Value Hermite 2D and Value Hermite 3D.

Gradient Gradient - Sets the Gradient for Value Hermite 2D and Value Hermite 3D.

Normalization Normalization - Sets the Normalization for Value Hermite 2D and Value Hermite 3D.

Pixel Format Format - - Format used to store data for each channel in the image (ie. R, G, B, and A). Refer to Pixel Formats for more information.

  • Use Input useinput - Uses the input's pixel format.
  • 8-bit fixed (RGBA) rgba8fixed - Uses 8-bit integer values for each channel.
  • sRGB 8-bit fixed (RGBA) srgba8fixed - Uses 8-bit integer values for each channel and stores color in sRGB colorspace.
  • 16-bit float (RGBA) rgba16float - Uses 16-bits per color channel, 64-bits per pixel.
  • 32-bit float (RGBA) rgba32float - Uses 32-bits per color channel, 128-bits per pixels.
  • 10-bit RGB, 2-bit Alpha, fixed (RGBA) rgb10a2fixed - Uses 10-bits per color channel and 2-bits for alpha, 32-bits total per pixel.
  • 16-bit fixed (RGBA) rgba16fixed - Uses 16-bits per color channel, 64-bits total per pixel.
  • 11-bit float (RGB), Positive Values Only rgba11float - A RGB floating point format that has 11 bits for the Red and Green channels, and 10-bits for the Blue Channel, 32-bits total per pixel (therefore the same memory usage as 8-bit RGBA). The Alpha channel in this format will always be 1. Values can go above one, but can't be negative. ie. the range is [0, infinite).
  • 16-bit float (RGB) rgb16float -
  • 32-bit float (RGB) rgb32float -
  • 8-bit fixed (Mono) mono8fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 8-bits per pixel.
  • 16-bit fixed (Mono) mono16fixed - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel.
  • 16-bit float (Mono) mono16float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 16-bits per pixel.
  • 32-bit float (Mono) mono32float - Single channel, where RGB will all have the same value, and Alpha will be 1.0. 32-bits per pixel.
  • 8-bit fixed (RG) rg8fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 8-bits per channel, 16-bits total per pixel.
  • 16-bit fixed (RG) rg16fixed - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel.
  • 16-bit float (RG) rg16float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 16-bits per channel, 32-bits total per pixel.
  • 32-bit float (RG) rg32float - A 2 channel format, R and G have values, while B is 0 always and Alpha is 1.0. 32-bits per channel, 64-bits total per pixel.
  • 8-bit fixed (A) a8fixed - An Alpha only format that has 8-bits per channel, 8-bits per pixel.
  • 16-bit fixed (A) a16fixed - An Alpha only format that has 16-bits per channel, 16-bits per pixel.
  • 16-bit float (A) a16float - An Alpha only format that has 16-bits per channel, 16-bits per pixel.
  • 32-bit float (A) a32float - An Alpha only format that has 32-bits per channel, 32-bits per pixel.
  • 8-bit fixed (Mono+Alpha) monoalpha8fixed - A 2 channel format, one value for RGB and one value for Alpha. 8-bits per channel, 16-bits per pixel.
  • 16-bit fixed (Mono+Alpha) monoalpha16fixed - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel.
  • 16-bit float (Mono+Alpha) monoalpha16float - A 2 channel format, one value for RGB and one value for Alpha. 16-bits per channel, 32-bits per pixel.
  • 32-bit float (Mono+Alpha) monoalpha32float - A 2 channel format, one value for RGB and one value for Alpha. 32-bits per channel, 64-bits per pixel.


Operator Inputs

  • Input 0 -


Operator Outputs

  • Output 0 -

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