Illuminance plots of 0185

(as computed by ies2tab from that IES photometry file)

spacing 5 plot single luminaire plot
In the left half of the left plot, specific illuminance by a continuous row of luminaires spaced 5 heights is shown (right half is for a single luminaire). The right plot is for a single luminaire, unrotated.

illuminance scale

Values below the scale are illuminance / 1 lx. This is for (unrealistic) “unit” case that luminaires would have lamps producing 1 klm only, would be point-like and just 1 m over the terrain.

ies2tab text output:

   
       
# REPORT: CI0302  
# DESCRIPTION: 879FL4X18
# LAMP: FL18/4/3B           
# TILT=NONE
# Bulbs: 4,   1350 lm each
#  (luminous intensites divided by  5.40 in the original ies file)
# Number of measured angles:  37 vertical,  24 horizontal ones
# Photometric type: 1,  Units type: 2
# Luminous openig width, length and height:   0.571   0.571   0.000
# Ballast factor: 1,  Input power:   72 W


# Source file: ies/0185.ies
# Luminaire flux =   540 raw, for the given bulb(s) it would be  2917 lm,
#                   54.0 % of the bulb flux
# between 75 and 90:  2.9 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  20.0 cd / 1000 lm ,  1.1 % of the luminaire flux
# 90deg and above:  max   0.0 cd / 1000 lm ,  0.0 % of the luminaire flux
# CutOff Type: Full_CutOff    

# 62.5 deg to <67.5 deg:   max    55 cd / 1000 lm,
# 67.5 deg to < 76  deg:   max    43 cd / 1000 lm,
# maximum spec. lum. intensity   256 cd / 1000 lm

# The following table gives luminous intensities which would be produced
# using a hypothetic bulb giving a luminous flux of 1000 lm (i.e., cd/klm):

#  H:   0.0  15.0  30.0  45.0  60.0  75.0  90.0 105.0 120.0 135.0 150.0 165.0 180.0 195.0 210.0 225.0 240.0 255.0 270.0 285.0 300.0 315.0 330.0 345.0
#V:  
  0.0   256   256   256   256   256   256   256   256   256   256   256   256   256   256   256   256   256   256   256   256   256   256   256   256
  5.0   255   254   252   251   249   249   249   249   249   251   252   254   255   254   252   251   249   249   249   249   249   251   252   254
 10.0   254   251   246   242   238   237   237   237   238   242   246   251   254   251   246   242   238   237   237   237   238   242   246   251
 15.0   254   249   240   233   227   225   224   225   227   233   240   249   254   249   240   233   227   225   224   225   227   233   240   249
 20.0   253   245   235   224   216   212   211   212   216   224   235   245   253   245   235   224   216   212   211   212   216   224   235   245
 25.0   244   235   225   215   205   198   198   198   205   215   225   235   244   235   225   215   205   198   198   198   205   215   225   235
 30.0   228   218   209   202   191   183   181   183   191   202   209   218   228   218   209   202   191   183   181   183   191   202   209   218
 35.0   206   194   188   185   177   166   165   166   177   185   188   194   206   194   188   185   177   166   165   166   177   185   188   194
 40.0   167   161   163   161   159   149   146   149   159   161   163   161   167   161   163   161   159   149   146   149   159   161   163   161
 45.0   121   116   127   136   138   131   128   131   138   136   127   116   121   116   127   136   138   131   128   131   138   136   127   116
 50.0  80.0  77.0  89.0   104   116   112   109   112   116   104  89.0  77.0  80.0  77.0  89.0   104   116   112   109   112   116   104  89.0  77.0
 55.0  62.0  58.0  60.0  73.0  91.0  92.0  90.0  92.0  91.0  73.0  60.0  58.0  62.0  58.0  60.0  73.0  91.0  92.0  90.0  92.0  91.0  73.0  60.0  58.0
 60.0  47.0  44.0  45.0  49.0  67.0  72.0  71.0  72.0  67.0  49.0  45.0  44.0  47.0  44.0  45.0  49.0  67.0  72.0  71.0  72.0  67.0  49.0  45.0  44.0
 65.0  35.0  33.0  33.0  36.0  47.0  54.0  55.0  54.0  47.0  36.0  33.0  33.0  35.0  33.0  33.0  36.0  47.0  54.0  55.0  54.0  47.0  36.0  33.0  33.0
 70.0  25.0  23.0  24.0  25.0  34.0  42.0  43.0  42.0  34.0  25.0  24.0  23.0  25.0  23.0  24.0  25.0  34.0  42.0  43.0  42.0  34.0  25.0  24.0  23.0
 75.0  19.0  18.0  17.0  18.0  23.0  30.0  31.0  30.0  23.0  18.0  17.0  18.0  19.0  18.0  17.0  18.0  23.0  30.0  31.0  30.0  23.0  18.0  17.0  18.0
 80.0  12.0  11.0  10.0  11.0  14.0  18.0  20.0  18.0  14.0  11.0  10.0  11.0  12.0  11.0  10.0  11.0  14.0  18.0  20.0  18.0  14.0  11.0  10.0  11.0
 85.0   6.0   0.0   2.0   3.0   7.0   8.0  10.0   8.0   7.0   3.0   2.0   0.0   6.0   0.0   2.0   3.0   7.0   8.0  10.0   8.0   7.0   3.0   2.0   0.0
 90.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
 95.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
100.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
105.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
110.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
115.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
120.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
125.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
130.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
135.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
140.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
145.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
150.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
155.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
160.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
165.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
170.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
175.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
180.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0