Snímek 20

jpeg z kamery	barevně kódované jasy z „raw“

a s vloženou mřížkou s údaji:

jemná mřížka, zesvětlený náhled	hrubá mřížka kontrastní

# Date/Time    : 2004:12:18 23:22:28
# Resolution   : 2048 x 1536 in jpeg (2064x1540 in pgm/20.pgm)
# Focal length :  8.2mm
# Exposure time:60.120 s 
# Aperture     : f/2.5
# ISO equiv.   : 200

#c li count  min  Yav  max  ovf   min  Cav   max  ovf   min  Gav   max  ovf   min  Mav  max  ovf
# Image percentils         L=(1.000*1.30*Y+1.060*0.00*C+1.240*-0.30*G+1.310*0.00*M)* 3.33E-6
# %    Y     C     G     M readings  Y        C        G        M        L / cd/m2
  1   -88   -88  -120  -104      -2.9E-4  -3.1E-4  -5.0E-4  -4.5E-4  -2.3E-4
 10   -28   -32   -44   -36      -9.3E-5  -1.1E-4  -1.8E-4  -1.6E-4  -6.7E-5
 50   272   140   144   192       9.1E-4   4.9E-4   5.9E-4   8.4E-4  10.0E-4
 90  1108   588   596   776       0.0037   0.0021   0.0025   0.0034   0.0041
 99  1272   720   736   904       0.0042   0.0025   0.0030   0.0039   0.0046
100  1792   996  1268  1200       0.0060   0.0035   0.0052   0.0052   0.0062
# flux from 6.28 sr ( 1.62E-5 sr/4px) is  0.0111 (summing all pixels below 16380)
# dark frame dark/4.pgm has been subtracted from all values
# Yell average= 458.8  minimum= -512  maximum= 1792   over 16380:   2
# Cyan average= 233.6  minimum= -512  maximum=  996   over 16380:   2
# Gree average= 234.4  minimum= -512  maximum= 1268   over 16380:   0
# Mage average= 319.2  minimum= -512  maximum= 1200   over 16380:   0

End of results of "raw2lum" (version 1.07) with parameters:
  -c YCGM -fa -w 7.3 -fc0.214 -o 16380 -d dark/4.pgm -sm200 -i 20.txt -e 20.eps -n 20.ppm -t156 -c 3412 -s32 pgm/20.pgm