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    Depth of field

    Intermediate Artist

    By default, rendering produces a very sharp image, which can look artificial. Depth of field effects simulate the behavior of a real camera lens focusing an object, leaving background and foreground objects out of focus.

    media/realworld_dof_agave_flowers.jpg

    To create the effect, Xenko creates several versions of the original image with different intensities of blur, and interpolates between them. The more layers used, the better the quality, but at performance cost.

    Properties

    media/depth-of-field-2.png

    Property Description
    Size Size of the bokeh (Wikipedia), expressed as a factor of the image width so it's resolution-independent. The bigger the size, the worse the performance
    DOF Areas Areas of the depth of field. There are three main zones defined by their distance from the camera: near out-of-focus area (from X to Y), in-focus area (from Y to Z), and far out-of-focus area (from Z to W)
    Technique The technique affects both the performance and the shape of the bokeh.
    Circular Gaussian is fast but unrealistic.
    media/depth-of-field-3.png
    Hexagonal Triple Rhombi is heavier than Gaussian.
    media/depth-of-field-4.png
    Hexagonal McIntosh is the heaviest.
    media/depth-of-field-5.png
    Auto Focus Automatically updates the DOF areas so the camera focuses on the object at the center of the screen

    See also

    • Bloom
    • Bright filter
    • Color transforms
    • Lens flare
    • Light streaks
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