Channel Mask Source

Source Type ID: dynamic_asset_generator:mask/channel

Format:

{
    "type": "dynamic_asset_generator:mask/channel",
    "source": {   },
    "channel": "cielab_a"
}

Generates a mask whose alpha channel is the specified channel of the source texture. The channel may be one of red, green, blue, alpha, cielab_lightness, cielab_a, cielab_b, hsl_hue, hsl_lightness, hsl_saturation, hsv_hue, hsv_value, or hsv_saturation.