# % of Increase of Light Pollution due to light going # directly from the luminaire above horizon # concerns the following situation: # Albedo = 0.10 # Zenith Extinction = 0.30 mag (i.e., direct light remaining 76 %) # Indicatrix type =0 (0: acc. to P.Cinzano, 4..6: CIE sky types) # (Calculation of the useful fraction of the outcoming luminous flux # concerns rectangle of 0.00:1.20:-3.70:3.70 pole heights) #FiOut 75-90 >= 80degrees >= 90degrees CutOff? filename useful/Out Illum/lx(1m,1klm) # % % cd/klm % Out cd/klm % Out % I.L.P. % max av min av/min 67.3 2.4 36.8 0.4 0.0 0.0 0 Full_CutOff samp0187.ies 56.4 151.1 42.8 3.9 11.0 79.7 5.0 38.4 0.7 0.0 0.0 0 Full_CutOff samp0209.ies 53.0 169.9 47.6 5.8 8.2