Kodak Contrast Index (from Step-Wedge + Film Files)

Format details
  • Lines may include comments after # and blank lines are ignored.
  • Film file = N step densities + base+fog + Dmax + logE_exposure (last line).
  • For each step i: logE[i] = logE_exposure − wedgeDensity[i].
  • base+fog and Dmax are displayed for reference only.
CI (slope)
Angle θ (deg)
D-min (from curve)
0.2 mark (x, D)
2.2 mark (x, D)
Steps used
logE exposure (input)
base+fog (input)
Dmax (input)
X range (logE)
Y range (Density)
StatusWaiting for files…