OverDisplayFilter

Overview

The OverDisplayFilter layers two image buffers, input_top and input_bottom, where the mask is applied to the top image buffer.

Input Bottom
Input Bottom
Input Top
Input Top
<i>mix</i> = 0.7
mix = 0.7

Attribute Reference

General attributes

alpha

RenderOutput
default: None

Alpha for over operation

input_bottom

RenderOutput
default: None

RenderOutput on bottom

input_top

RenderOutput
default: None

RenderOutput on top

invert_alpha

Bool
default: False

Invert value of alpha

invert_alpha = true
invert_alpha = true
invert_alpha = false
invert_alpha = false

mix

Float
default: 1.0

Blend between input_top and input_bottom, using alpha as a mask.

mix = 0.7
mix = 0.7

Examples

local beauty = RenderOutput("/output/beauty") {
    ["file_name"] = "result_tmp.exr",
    ["result"] = "beauty",
}

local glossy = RenderOutput("/output/glossy") {
    ["file_name"] = "result_tmp.exr",
    ["result"] = "light aov",
    ["light_aov"] = "glossy"
}

local alpha = RenderOutput("/output/alpha") {
    ["file_name"] = "result_tmp.exr",
    ["result"] = "alpha",
    ["channel name"] = "Alpha",
}

local over = OverDisplayFilter("/display/over") {
    ["input_top"] = glossy,
    ["input_bottom"] = beauty,
    ["alpha"] = alpha,
}

RenderOutput("/output/over") {
    ["file_name"] = "result0.exr",
    ["result"] = "display filter",
    ["display_filter"] = over,
    ["channel_name"] = "over"
}