This is a spotlight that uses the Spectron procedural lighting system. Spectron is exposed as a Procedural light node type, which you can use for quick volumetric effects and spotlight generation (figure 1).


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Volume Spotlight


Volume Spotlight Fig01 3dsmax v2023



Figure 1: Volume Spotlight 


Volume Spotlight Parameters

Target Mode - Creates a target to orient the spotlight. 

Target dist. - Set the target a specific distance from the light source.

Throw Distance - Max distance the spotlight will affect. 

Cone Width - Controls the spread of the light. 

Cone Hardness - Determines the hardness or softness of the cone's edge of illumination. 

Light Medium - Lets you use a specific medium. 

Emitter Material - Define a material with emission properties to control the light source.

Barn Doors Material - Define a material for the barn doors.

Enable Barn Doors - Toggle the barns doors on or off. 

Barn Doors Size - Scales the barn doors.

Barn Door Angle - Controls the barn door angle to control light occlusion.