v.log2 v.log2 outputs a brightness v.log2 outputs a brightness calculated as: log2( input brightness * pre-gain ) * post-gain * 32 This is a floating point calculation. It can operate on int8, int32 and float32 images in all formats. v.log2 tends to make bright areas of the stream brighter.	from the library : softVNS Format : External Environment : jitter / max commercial Max 4.x http://homepage.mac.com/davidrokeby/softVNS.html