původní | barevně kódovaný |
# Date/Time : 2007:03:25 20:25:15 # Resolution : 1280 x 960 in jpeg (1424x1076 in pgm/403.pgm) # Focal length : 5.7mm (35mm equivalent: 39mm) # CCD width : 5.32mm # Exposure time: 0.001 s (1/2000) # Aperture : f/2.8 # ISO equiv. : 200 # Selected image percentils L=(1.730*0.35*R+1.000*0.65*G+1.570*0.00*B)* 0.664 # % R G1 G2 B readings R G B L / cd/m2 1 -71 -70 -70 -70 -81.6 -46.5 -73.0 -58.8 10 -36 -34 -34 -35 -41.4 -22.6 -36.5 -29.2 50 0 0 0 0 0.00 0.00 0.00 0.00 90 36 34 35 34 41.4 22.9 35.5 29.4 99 72 70 70 70 82.8 46.5 73.0 59.2 100 3840 4777 6689 3400 4.41E3 3.81E3 3.55E3 4.02E3 # veiling luminance 0.010 cd/m2, flux from 1.29E-5 sr ( 8.59E-7 sr/4px) is 0.0147 lx ( 0.0148 lx tilewise); # tilewise luminance 20.4 cd/m2 with rel. SD 758 % (points with luminances over 5.1E2 ) # Fuji Devignetting: 1 # dark frame dark/410.pgm subtracted from all values # Red average=1074.6 minimum= -168 maximum= 3840 out of range: 766097 # GrUp average=1528.7 minimum= -140 maximum= 4777 out of range: 766097 # GrDw average=1780.5 minimum= -154 maximum= 6689 out of range: 766097 # Blue average= 630.1 minimum= -156 maximum= 3400 out of range: 766097 zero: 6.7 % End of results of "raw2lum" (version 1.29) with parameters: -c fuji -ft -sm60:8 -np -nt -nh -d dark/410.pgm -L512 -G -i 403.txt -e 403.eps -n 403.ppm -t 118 -s71:76 pgm/403.pgm
Meze stupňů jsou (bráno pro řád jednoho nitu) 0.32 0.50 0.79 1.26 2.0 3.2
Odhady intenzity osvětlení asfaltových cest v luxech lze získat vynásobením jasu v nitech koeficientem 15 (pokud se v něm lampa leskne) až 30, běžně kolem 22.