Use the tonemap imager to artistically modify the image's tone mapping using a filmic or a modified Reinhard curve.

Both the strength and the length need to be different from 0, for the toe and shoulder to make a difference.

Mode

Tonemap mode.

Filmic

Filmic Toe Strength 

Amount of curvature for the tonemap curve in the darker values.

Filmic Toe Length 

Amount of darker values affected by the toe.

toe_strength:0.5

Filmic Shoulder Strength

Amount of curvature for the tonemap curve in the brighter values.

Filmic Shoulder Length

Amount in f-stops of brighter values affected by the shoulder.

Filmic Shoulder Angle

Curve slope when white is reached.

Reinhard

Reinhard Highlights 

Reinhard photographic tonemap operator strength.

Reinhard Shadows  

Additional tone mapping control for darker values.

LUT

Mode

LUT file selection mode:

  • file: Select a single LUT file.
  • folder: All LUT files from the selected folder and its subfolders are listed in a combo box to choose from.

LUT

Specifies the LUT file to load.

Directory

Specifies the directory to load LUT files from.

Working Color Space

It is possible to specify a working color space here to convert to the specified space, apply the LUT, and convert to linear or rendering color space again.


Mix

0 preserves the input untouched and 1 applies the full node effect.

Preserve Saturation

Preserves color saturation for extreme bright values.

This is for values that are beyond 1, if you don’t preserve saturation they go to white, otherwise, they keep their color.

Disabled (default). Rollover image to view enabled.

Gamma

Gamma curve exponent for midtones value control.




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