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Enable Mask
Enable mask used to define areas of volume to get the fire Diffuse Color. The mask values are a multiplier on the diffuse color values. Recommended to add more detail and shape features to the color field. The mask is generated from the Flame Volume.

Fire Volume Mask Scale
A multiplier on the Flame Volume field or the result of the Fire Volume Mask Intensity Ramp if enabled to increase the contrast of the mask values.

Source Range
Input values of a fit operation that fits these source values to the Destination Range. Values outside of this range are clamped.

Destination Range
Output values of a fit operation on the Source Range values for the Fire Volume Mask Intensity Ramp.

Fire Volume Mask Intensity Ramp
Ramp for remapping source values of the Fire Volume Mask. The values from this ramp will be multiplied by the Fire Volume Mask Scale before being used as the mask.