About-the-Conversion-of-Lights-in-Drawings-From-Earlier-Releases

About the Conversion of Lights in Drawings From Earlier Releases

    About the Conversion of Lights in Drawings From Earlier Releases

    In AutoCAD 2007-based products and earlier releases, lights didn’t support photometric
    lighting and more advanced lighting features. Before lights from earlier releases
    can affect the lighting in a scene, the lights must be converted to the newer lighting
    system. To convert lights from earlier releases, you can use either the 3DCONVERSIONMODE
    system variable or CONVERTOLDLIGHTS command.

    NOTE:Starting with AutoCAD 2016-based products, the renderer calculates all standard lights
    as photometric lights. It is recommended to update all standard lights in a scene
    to photometric lights. You can enable photometric lighting by setting the LIGHTINGUNITS
    system variable to 1 or 2. However, change the value of the LIGHTINGUNITS system variable
    isn’t enough. You will need to adjust the properties of each time as well because
    of the way attenuation is calculated for photometric lights.

    Learning AutoCad

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