3.4. Lens Blur
3.4.1. Overview
图 17.14. The Lens Blur filter
Original
Lens Blur applied
Lens blur simulates an out-of-focus camera picture.
3.4.2. Options
图 17.15. Lens Blur filter dialog options
Presets, “Input Type”, Clipping, Blending Options, Preview, Split view
注意 | |
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These options are described in 第 2 节 “Common Features”. |
Aux input
This allows you to select an additional input layer or channel, that will be used to compute the lens blur. Clicking on the square picture allows you to select from a list of available layers and channels. The Aux input will only be used if this setting is enabled.
Radius
The size of the blur radius.
Highlight factor
Relative highlight strength.
Highlight threshold
Here you can set the minimum and maximum values for highlighting. It can be set either by dragging the black and white triangles, or inputting exact values into the number entry fields.
Clip to input extents
If enabled, this limits the output to the input extents.
Linear mask
If enabled, use linear mask values.