{ Warp response function for printing to avoid contrast loss at low end. 9/12/97 GWL } PrintPivot: .05; { print pivot point } OrigPivot: .025; { original pivot point } map(v) = if( v - OrigPivot, (v-OrigPivot)*((1-PrintPivot)/(1-OrigPivot)) + PrintPivot, v*(PrintPivot/OrigPivot) ); ro = map(ri(1)); go = map(gi(1)); bo = map(bi(1));