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This page provides information on the V-Ray Temperature Texture.

 

 

Overview

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The Temperature texture is typically used in conjunction with specific light sources to emulate a specific value, like a Kelvin temperature. This is very useful for mapping the color of an Emissive Material changing from a warm to cool value.

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Any texture can be replaced via the Replace With New Texture (Image Added) button, which activates when you select the texture to be replaced. If the texture is an instance, all copies are changed as well.

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Temperature

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Mode – Specifies the mode in which the color is determined:  

RGB Color – The color is directly specified by the Color parameter.
Temperature – The color temperature (in Kelvin) is specified by the Temperature parameter. 

Color – This color swatch can be used to visualize the resulting color. It can also be double-clicked to bring up the Color Picker.

Temperature (K) – Specifies temperature in Kelvin degrees. 

Color Multiplier – Specifies a multiplier for the color strength.

Color Gamma – Specifies a gamma correction applied during rendering. This does not affect the Color swatch.

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Common Uses

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In each example below, the sphere lights have the same V-Ray Emissive Material applied to them.  A Temperature texture map is applied to the Emissive Material to show various color temperatures between each example image.  The Temperature texture has Color mode set to Temperature.

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 Color mode = Temperature 
 Temperature = 4000.000

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 Color mode = Temperature
 Temperature = 2700.000

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 Color mode = Temperature
 Temperature = 10000.000

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Each geometry light uses a different Emissive Material & Temperature map,
each with its Color mode set to a different Temperature value

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