Default: stouffer-31-step-wedge-2025-09-26.txt and T-Max 400 XTOL series (loaded automatically)
Select one or more film density files to plot multiple curves
Format details
- Step-wedge density file: 31 densities, one per line, in order, starting with step 1 (the highest density step).
- Film density files use extended format with labeled sections:
- All metadata can be placed at the top in any order, including
base_fog:,dmax:, and illuminance measurements - Step densities must be labeled with
step_densities:followed by 31 density values, one per line - Multi-line fields:
notes:andstep_densities:capture all following lines until the next key-value pair
- All metadata can be placed at the top in any order, including
- Required metadata keys:
base_fog,dmax,e_ref_min,e_ref_max,t - Optional metadata keys:
date,test_number,film,film_roll,film_expire_date,procedure,developer,dev_temp_start,dev_temp_end,dev_time,air_temp,water_bath_temp,water_bath_setpoint,rinse_water_temp,e_ref_offset,logh_offset,notes,step_densities - Exposure calculation: logHmax = log₁₀((e_ref_min + e_ref_max)/2 + e_ref_offset) × t) + logh_offset
- Comments: Lines starting with
#are ignored. Inline comments after#are stripped from data. - Lines may include comments after
#; blank lines are ignored. - For each step i:
logH[i] = logHmax − Dwedge[i].
StatusWaiting for files…
X range (logH)—
Y range (Density)—