This page provides information on the V-Ray Noise B Texture.
Overview
The Noise B texture map can be used to generate a procedural noise texture. It uses an intuitive set of parameters to control the noise appearance. The Size option changes the noise size/frequency and the Levels parameters can easily increase the contrast and sharpness of the effect.
Any texture can be replaced via the Replace With New Texture (
) button, which activates when you select the texture to be replaced. If the texture is an instance, all copies are changed as well.
Parameters
Color A – Controls the first of the two colors used by the Noise procedural. When a texture is selected, it overrides the color as long as the texture checkbox is enabled.
Color B – Controls the second of the two colors used by the Noise procedural. When a texture is selected, it overrides the color as long as the texture checkbox is enabled.
Type – Specifies the type of noise to be created through the Noise procedural.
Regular
Fractal
Turbulence
Size – Specifies the Noise size.
Iterations – Specifies how much fractal energy is used for the Fractal and Turbulence noise functions.
Phase – Controls the seed. Change the number to generate a new random pattern.
Levels
Low – Specifies the low threshold.
High – Specifies the high threshold.
Color Manipulation
Invert Texture – Inverts the RGB texture values.
Alptha from Intensity – Uses the texture RGB intensity/luminance as alpha channel.
Color Gain – Corrects the color of the texture by multiplying the the RGB color values specified here with the RGB color values of the texture. When a texture is selected, it overrides the color as long as the texture checkbox is enabled.
Color Offset – Corrects the color of the texture by adding the RGB color values specified here to the RGB color values of the texture. When a texture is selected, it overrides the color as long as the texture checkbox is enabled.
Default Color – Specifies a default color used for polygons with no valid UVs. In case the map is not tiled, specifies a default color that is used outside the texture square. When a texture is selected, it overrides the color as long as the texture checkbox is enabled.
Multipliers
Mode – Specifies the multiplication mode of the colors.
Multiply – Multiplies the RGB numbers for each pixel of the top layer with the RGB number of the corresponding pixel from the bottom layer. The result is a darker picture.
Blend Amount – Takes each pixel from the top layer if present. Otherwise the bottom layer is used.
Color A – Controls the intensity of the first color. When a texture is selected, it overrides the color as long as the texture checkbox is enabled.
Color B – Controls the intensity of the second color. When a texture is selected, it overrides the color as long as the texture checkbox is enabled.
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