Sets attenuation to be the inverse of the square of the distance from the light. The default value for inverse linear is half the maximum intensity.
For example, at a distance of 2 units, light is half as strong as at the point light at a distance of 4 units, light is one quarter as strong.
Sets attenuation to be the inverse of the linear distance from the light.
Inverse Linear (Standard lights only). The farther away an object is from a spotlight, the darker the object appears. Under the Attenuation panel the following property settings are available:Ĭontrols how light diminishes over distance. The attenuation related options are maintained for backwards compatibility with AutoCAD 2015-based products and earlier releases. Note: Starting with AutoCAD 2016-based products, all lighting is calculated using inverse square attenuation. When lighting is set to generic lighting this represents the total color of the light.Īllows the ability to plot the drawing with the glyphs on. When lighting is set to photometric units this represents a secondary color filter on the light. Represents the color of a physical filter over the lamp. Specifies the secondary color of the light. Specifies the outer extremity of the light, where it meets the darkness. Settings can be calculated by using the QuickCalc Calculator.įalloff Angle (Spotlight and Freespot only) Specifies the angle of the brightest cone of light. Hotspot Angle (Spotlight and Freespot only) 
Indicates whether the light is on or off.
Web - Default for Weblight and Freeweb lights.Point - Default for Pointlight and Targetpoint lights.Spotlight - Default value for Spotlight and Freespot lights.The type of lighting can be changed after the light has been added to the drawings. Determines the distribution of light from the.
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