Enables the imager.
Selects layers processed by this imager with a glob or regular expression.
Amount of curvature for the tonemap curve in the darker values.
Amount of darker values affected by the toe.
Amount of curvature for the tonemap curve in the brighter values.
Amount in f-stops of brighter values affected by the shoulder.
Curve slope when white is reached.
Reinhard photographic tonemap operator strength.
Additional tonemapping control for darker values.
Preserves color saturation for extreme bright values.
Gamma curve exponent for midtones value control.