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V-Ray Softbox is a procedural texture that can be used with a V-Ray Light to simulate the illumination coming from a Soft Box light source.

UI Path: ||V-Ray Node Editor|| > Shader > Add > Textures > V-Ray Softbox

This section describes the input sockets of the node. Some sockets have dedicated parameters, which are further described below, and some sockets are just inputs.

Mapping – This slot allows you to connect a Mapping node (UVW Mapping, UWV Randomizer) to adjust the UWVs Uvwgen – Allows a UWV modifier to be attached to determine the UVW placement of the texture.

Base Color (input socket) – Specifies a color to use as a base.

Base Texture  (input socket) – Specifies a color to use when the Use Base Texture is enabled. This color can be used to blend with a specified texture for more artistic results.

Base Tint Color (input socket) – Specifies the tint color of the Base.

Spots Tint Color (input socket) – Specifies the tint color of the Spots.

Frame Tint Color (input socket) – Specifies the tint color of the Frame.

Grad Vert (input socket) – An input slot for the V vignette gradient.

Grad Rad (input socket) – An input slot for the Radial Vignette gradient.

Grad Frame (input socket) – An input slot for the Frame Vignette gradient.

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Base Color – Specifies a color to be used as a base.

Use Base Texture – Enabling the checkbox enables the use of maps. When texture use is enabled, the Base Color option is disabled.

Base Texture – Specifies a color to use when the Use Base Texture is enabled. This color can be used to blend with a specified texture for more artistic results.

Tint On – When enabled, the color in the Base Color parameter is multiplied by the Tint Color parameter.

Tint Color – Specifies the color for the tint.

Strength – A multiplier that controls how strong the effect of the Tint Color parameter is.

Multiplier – A multiplier for the brightness of the texture.

Gamma – A gamma correction that will be applied to the texture.

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Spots On – Enables or disables the hot/dark spot effect.

Multiplier – Controls the strength of the hot/dark spot effect.

Spots Mode – Specifies the effect - a hot or a dark spot:

Hot Spot (Add) – Adds more of the Base Color in the center area of the VRaySoftBox. The amount added corresponds to the Multiplier value.
Dark Spot (Subtract) – Subtracts some of the Base Color in the center area of the VRaySoftBox map. The amount subtracted corresponds to the Multiplier value.

Tint On – When enabled, modifies the color of the spot.

Tint Color – Specifies with what color the spot is modified.

Strength – A multiplier that controls how strong the effect of the Tint Color parameter is.

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Offset U/V – Controls the position of the texture along the U or V axis.

Tile U/V – When enabled, the Tiles U and Tiles V options control the tiling of the texture along the U or V axis. 

Tiles U/V – Controls the tiling of the texture along the U or V axis. 

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These options control how the hot/dark spot fades out into the base color.

Outer Radius – The outer radius where the hot spot ends as a fraction of the texture size. 

Inner Radius – The inner radius where the hot spot begins to fade out as a fraction of the texture size.

Softness – Controls the rate , at which the hot spot fades out.

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Radial/V/U/ Vignette

The Gradients options allow for blending gradient textures on top of the VRaySoftbox Softbox texture. A gradient vignette can be added in the U and V direction, and also radially.  

On – Enables the Vignette effect. See the U/V Radial Vignette example for a visual representation.

Flip – When enabled, the direction of the Vignette is flipped.

Active Color Stop Image Added – Allows for quick switching between color stops based on their position in the ramp.

Pos – Determines the position of the blend between the color stops, where 0 is all the way to the left, and 1 is all the way to the right.

Color – Determines the color of the currently selected color stopGradient – Use double click on the gradient swatch to add a new color mark to it or refine the current mark. A set of self-explanatory options is available from the context menu.

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The Frame options multiply the VRaySoftbox V-Ray Softbox texture with a square shape gradient, defined with the gradient swatch.  

On – Enables the Frame. 

Flip – When enabled, the direction of the Frame is flipped.

Gradient – Use double click on the gradient swatch to add a new color mark stop to it or refine the current mark. A set of self-explanatory options is available from the context menu.

Frame Tint On – When enabled, modifies the color of the gradient.

Frame Tint Color – Specifies the tint color.

Frame Tint Strength – A multiplier that controls how strong the effect of the Tint Color parameter is.

Frame Noise Amount – Controls how strong the Noise effect on the gradients is.

Frame Noise Size – Changes the scale of the noise function.

Frame Noise Phase – Controls the speed of the noise procedural animation.

Fractal Noise – Enables fractal noise.

Fractal Levels – Sets the levels for the fractal function.

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