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changes.mady.by.user Unknown User (stilian.ianev)

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changes.mady.by.user Gergana Lilkova

Saved on Mar 11, 2024

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This page contains information about the V-Ray Cellular Texture.

Page Contents

Table of Contents

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TexCellular node.

Overview

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Section

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The VThe V-Ray Cellular Texture map generates a procedural cellular noise pattern.

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UI Path: ||shop Network|| > vraymtl > Texture > Cellular

Node

The V-Ray TexCellular node provides inputs for controlling various texture properties. They correspond to parameters in the section below.

Settings

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Settings

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Type – Specifies which type to use for the Cellular texture. The choices

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are Dots, Chips, Cells, Chess Cells,

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or Plasma.

Background

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Color – Controls the color of the background of the Cellular procedural texture.

Center Color – Controls the color of the center of the cells.

Edge Color – Controls the color of the edges of the cells in the Cellular procedural texture.

Size

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– Controls the size of the Cellular procedural texture. For more details, please see

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the Size examples below.

Spread

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– Controls the spread of the procedural Cellular texture. For more details, please see

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the Spread examples below.

Density

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– Controls the Density of the Cellular texture. For more details, please see

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the Density examples below.

Low – Controls the low threshold (background color). For more details, please see

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the Low examples below.

Middle – Controls the middle threshold (edge color). For more details, please see

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the Middle examples below.

High – Controls the high threshold (center color). For more details, please see

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the High examples below.

Fractal – Enables the addition of fractal generation. Only available with Dots and Chips Types.

Fractal Iterations – Controls the number of fractal iterations. For more details, please see the

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Fractal Iterations

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examples below.

Fractal Roughness – Controls the roughness of the fractal. A value of 0.0 is very rough and a value of 1.0 is very smooth, which negates the fractal. For more details, please see

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the Fractal Roughness

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examples below.

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width

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Mult – Specifies a strength multiplier for the texture color.

Offset – Color corrects the texture by adding the the RGB color values specified here to the RGB color values in the texture.

Invert – When enabled, inverts the resulting texture color.

Alpha Tweaks

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Source – Specifies where the alpha channel is drawn from.

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Multiexcerpt include

MultiExcerptName	TweaksHoudini
PageWithExcerpt	V-Ray Bercon Distortion

Multiexcerpt include

MultiExcerptName	MappingHoudini
PageWithExcerpt	V-Ray Bercon Distortion

Mult – Specifies a multiplier for the texture alpha.

Offset – Specifies an additional offset for the texture alpha.

Invert – When enabled and Invert from Color Tweaks is also enabled, the resulting texture alpha will be inverted as well.

Placement

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Placement Type – Specifies the way the valid portion of the texture is applied.

Full – Uses the full valid portion of the texture.
Crop – Allows the user to specify a section of the texture using the parameters below.
Place – Allows the user to specify a section of the texture and how to place it using the parameters below.

U – Specifies the U coordinate of the valid texture sector.

V – Sppecifies the V coordinate of the valid texture sector.

W – Specifies the width of the valid texture sector.

H – Specifies the height of the valid texture sector.

Jitter – Controls the amount of random placement variation.

Tile U – Enables horizontal tiling.

Tile V – Enables vertical tiling.

UV Noise

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Enabled – Enables noise for the texture.

Amount – Specifies the amount of noise to add to the texture.

Levels – Specifies the amount of noise iterations.

Size – Controls the scale of the noise.

Animated – Enables the noise to be animated.

Phase – Controls the noise phase.

Anchor

	exampleCellularSize
	exampleCellularSize

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Example: Size

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Dots Size: 0.05

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Dots Size: 0.1

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Dots Size: 0.2

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Chips Size: 0.2

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Chips Size: 0.35

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Chips Size: 0.5

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Cells Size: 0.1

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Cells Size: 0.2

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Cells Size: 0.5

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Chess Cells Size: 0.1

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Chess Cells Size: 0.2

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Chess Cells Size: 0.5

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Plasma Size: 0.05

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Plasma Size: 0.07

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Plasma Size: 0.2
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Anchor
exampleSpread
exampleSpread
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Anchor
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exampleDensity

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Example: Spread

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Dots Spread: 0.5

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Dots Spread: 1.0

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Dots Spread: 1.5

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Chips Spread: 0.5

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Chips Spread: 1.0

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Chips Spread: 2.0

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Cells Spread: 0.1

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Cells Spread: 0.5

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Cells Spread: 1.0

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Chess Cells Spread: 0.1

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Chess Cells Spread: 0.5

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Chess Cells Spread: 0.9

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Plasma Spread: 1.0

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Plasma Spread: 3.0

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Plasma Spread: 5.0
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45%
Example: Density
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Dots Density: 0.1

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Dots Density: 0.25

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Dots Density: 1.0

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Chips Density: 0.25

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Chips Density: 0.7

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Chips Density: 1.5

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Cells Density: 0.15

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Cells Density: 0.25

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Cells Density: 0.5

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Chess Cells Density: 0.15

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Chess Cells Density: 0.25

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Chess Cells Density: 0.5

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Plasma Density: 0.5

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Plasma Density: 1.0

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Plasma Density: 2.0
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Anchor
exampleLow
exampleLow

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Example: Low

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The Dots examples below use Size: 0.25, Spread: 0.5, and Density: 1.5. The Edge Color is blue for visual clarity.
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section

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Dots Low: 0.0

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Dots Low: 0.5

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Dots Low: 1.0
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The Chips examples below use Size: 1.0, Spread: 0.75, and Density: 3.0. The Edge Color is blue for visual clarity.
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section

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Chips Low: 0.0

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Chips Low: 0.5

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Chips Low: 0.9
Move the slider to see the example renders.
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exampleMiddle
exampleMiddle

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Example: Middle

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The Dots examples below use Size: 0.25, Spread: 0.5, and Density: 1.5. The Edge Color is blue for visual clarity.
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section

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Dots Middle: 0.0

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Dots Middle: 0.5

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Dots Middle: 1.0
Move the slider to see the example renders.

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width 5%
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The Chips examples below use Size: 1.0, Spread: 0.75, and Density: 3.0. The Edge Color is blue for visual clarity.
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section

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Chips Middle: 0.0

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Chips Middle: 0.5

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Chips Middle: 1.0
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Anchor
exampleHigh
exampleHigh

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Example: High

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The Dots examples below use Size: 0.25, Spread: 0.5, and Density: 1.5. The Edge Color is blue for visual clarity.

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section

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Dots High: 0.0

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Dots High: 0.75

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Dots High: 1.0

Move the slider to see the example renders.

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45%

The Chips examples below use Size: 1.0, Spread: 0.75, and Density: 3.0. The Edge Color is blue for visual clarity.

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section

Image slider

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Chips High: 0.0

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Chips High: 0.75

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Chips High: 1.0

Move the slider to see the example renders.

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Anchor

	exampleFractalIterations
	exampleFractalIterations

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Example: Fractal Iterations

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The Dots examples below use Size: 0.25, Spread: 0.5, and Density: 1.5.
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section

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borderStyle none
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Fractal not enabled

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borderStyle
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Fractal Iterations: 1.75
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borderStyle
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Fractal Iterations: 3.0
Move the slider to see the example renders.

Column
width 5%
45%
The Chips examples below use Size: 1.0, Spread: 0.75, and Density: 3.0.
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section

Image slider
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width 30%
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borderStyle none
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Fractal not enabled

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borderStyle
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Fractal Iterations: 1.75

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borderStyle
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Fractal Iterations: 3.0
Move the slider to see the example renders.

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Anchor
exampleFractalRoughness
exampleFractalRoughness

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Example: Fractal Roughness

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The Dots examples below use Size: 0.25, Spread: 0.5, Density: 1.5, and Fractal Iterations: 3.0.
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section

Image slider
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borderStyle none
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Fractal Roughness: 0.0

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Fractal Roughness: 0.5

Panel
borderStyle
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Image Modified
Fractal Roughness: 0.9
Move the slider to see the example renders.

Column
width 5%45%

The Chips examples below use Size: 1.0, Spread: 0.75, Density: 3.0, and Fractal Iterations: 3.0.
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section

Image slider
columnwidth5%column30%column30%
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borderStyle
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Fractal Roughness: 0.0

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Fractal Roughness: 0.5

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Fractal Roughness: 0.9

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Color Tweaks

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Mult – Specifies a strength multiplier for the texture color.

Offset – Color corrects the texture by adding the the RGB color values specified here to the RGB color values in the texture.

Invert – When enabled, inverts the resulting texture color.

Alpha Tweaks

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Source –

Mult – Specifies a multiplier for the texture alpha.

Offset – Specifies an additional offset for the texture alpha.

Invert – When enabled and Invert from Color Tweaks is also enabled, the resulting texture alpha will be inverted as well.

Placement

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Placement Type – Specifies the way the valid portion of the texture is applied.

U – Specifies the U coordinate of the valid texture sector.

V – Sppecifies the V coordinate of the valid texture sector.

W – Specifies the width of the valid texture sector.

H – Specifies the height of the valid texture sector.

Tile U – Enables horizontal tiling.

Tile V – Enables vertical tiling.

UV Noise

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Enabled – Enables noise for the texture.

Amount – Specifies the amount of noise to add to the texture.

Levels – Specifies the amount of noise iterations.

Size – Controls the scale of the noise.

Animated – Enables the noise to be animated.

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Move the slider to see the example renders.

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Content

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Versions Compared

Old Version 1

New Version Current

Key

Overview

Node

Settings

Settings

Alpha Tweaks

Placement

UV Noise

Example: Size

Example: Spread

Example: Density

Example: Low

Example: Middle

Example: High

Example: Fractal Iterations

Example: Fractal Roughness

Color Tweaks

Alpha Tweaks

Placement

UV Noise