Template:MR mia exposure simple settings

The mia_exposure-simple node can be accessed in several ways. The easiest way is through your Hypershade:

Open the Utilities tab. You should find an overview of all mia_exposure nodes present in your scene. You can doucle-click the node or select it and open your Attribute Editor.

The mia_exposure_simple node has several settings. A brief overview:

pedestal

offset for the entire range (darken or lighten the absolute black)

gain

multiplication factor.

knee

value above which the range should be compressed

compression

compression ratio to squash the range that is compressed

gamma

gamma correction

For details on these settings, refer to Mental Ray Tone Mapper Settings.