Illuminance plots

produced from photometry file glx9sarfg.ies

spacing 5 plot spacing 6 plot single luminaire plot
In left plots, specific illuminances by a continuous row of luminaires spaced 5 and 6 heights are shown in their left halves (right half concerns 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:

   
       
# IESNA:LM-63-1995
# [TEST] 767608
# [DATE] 10/22/96
# [MANUFAC] COOPER LIGHTING
# [LUMCAT] GLX91SXXARFG
# [LUMINAIRE] 1000W HPS VERTICAL AREA ROUND
# [LAMP] 1000W HPS CL ED-37
# [_REFLECTOR] SPUN AND STAMPED ALUMINUM
# [_REFRACTOR] FLAT GLASS
# [_SOCKET POSITION] VERTICAL BASE UP
# [_LAMP LUMENS] 135000
# TILT=NONE
# Bulbs: 1, 135000 lm each
#  (luminous intensites divided by  1.06 in the original ies file)
# Number of measured angles:  37 vertical,  21 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous openig width, length and height:   0.000   0.000   0.000
# Ballast factor: 1,  Input power: 1000 W


# Source file: glx9sarfg.ies
# Luminaire flux = 91282 raw, for the given bulb(s) it would be 96667 lm,
#                   71.6 % of the bulb flux
# between 75 and 90:  2.1 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  11.3 cd / 1000 lm ,  0.4 % of the luminaire flux
# 90deg and above:  max   0.4?cd / 1000 lm ,  0.0?% of the luminaire flux
# CutOff Type: Full_CutOff    

# 62.5 deg to <67.5 deg:   max   333 cd / 1000 lm,
# 67.5 deg to < 76  deg:   max   256 cd / 1000 lm,
# maximum spec. lum. intensity   333 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   5.0  15.0  25.0  35.0  45.0  55.0  65.0  75.0  85.0  90.0  95.0 105.0 115.0 125.0 135.0 145.0 155.0 165.0 175.0 180.0
#V:  
  0.0  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6  16.6
  2.5  18.9  17.7  18.5  18.5  18.1  18.1  18.1  18.1  18.5  18.5  18.1  17.0  18.1  17.3  18.1  17.7  17.3  16.2  17.3  17.3  17.3
  5.0  21.1  20.4  21.1  20.7  20.7  21.1  21.5  21.9  21.9  22.2  22.2  21.1  22.2  21.1  21.5  21.5  20.4  18.9  20.0  20.4  20.4
  7.5  23.4  22.6  24.1  24.5  24.9  25.3  26.0  26.8  27.1  27.5  27.5  26.4  27.1  25.6  26.0  25.3  24.9  23.0  23.0  22.6  22.6
 10.0  25.6  25.3  27.1  28.7  29.4  30.2  30.9  32.1  32.8  33.2  33.2  32.1  32.8  30.5  31.3  30.9  29.8  28.3  27.5  26.4  25.6
 12.5  27.9  27.5  31.3  33.6  34.3  35.4  35.8  38.1  39.6  39.6  39.2  37.7  38.1  37.0  37.3  37.0  36.2  33.6  32.8  29.8  29.4
 15.0  30.2  30.5  35.1  38.8  39.6  40.4  41.9  44.1  46.0  45.6  45.3  43.4  44.1  41.9  42.6  42.6  41.5  38.5  36.2  32.4  32.4
 17.5  33.2  33.2  39.2  44.1  45.6  46.4  47.5  49.4  50.2  50.2  49.4  48.3  48.3  46.4  46.8  46.4  45.3  41.9  38.5  33.9  33.9
 20.0  34.7  35.1  43.4  49.0  50.2  51.3  51.7  52.0  52.0  52.0  51.3  50.5  51.3  48.7  49.0  49.0  47.5  44.5  40.0  35.1  34.7
 22.5  36.2  37.0  46.0  52.8  53.9  53.9  53.6  53.6  52.8  52.4  52.4  51.3  52.0  50.2  50.5  50.2  49.0  45.6  41.1  35.4  35.4
 25.0  37.7  38.8  48.3  55.1  55.8  55.4  55.4  54.7  53.9  53.6  53.6  52.4  53.2  52.0  52.8  52.4  51.7  47.9  43.4  37.3  37.0
 27.5  39.2  40.0  50.5  56.9  58.1  57.7  56.9  56.6  56.2  56.2  56.2  55.1  55.4  55.4  55.4  55.4  54.7  51.3  46.4  40.0  40.0
 30.0  43.7  44.5  55.1  62.2  63.4  63.0  62.6  62.2  62.2  62.2  62.2  61.1  61.8  61.8  62.2  61.5  61.8  58.1  52.8  46.4  46.0
 32.5  47.5  49.4  60.0  67.9  68.6  69.0  68.6  68.6  68.6  69.8  69.0  68.3  69.0  69.0  69.4  68.6  69.4  65.6  60.3  53.6  52.0
 35.0  55.1  56.9  67.1  75.8  76.6  77.3  77.3  78.1  78.4  78.8  79.2  78.8  78.8  79.2  79.6  79.2  79.6  76.9  70.5  64.1  62.6
 37.5  62.6  65.2  75.8  86.4  86.7  88.2  88.2  88.6  89.4  90.5  90.9  89.8  90.9  92.0  92.4  92.0  92.4  89.8  81.8  75.4  73.2
 40.0  71.7  75.0  86.4  97.7  97.3  99.6  99.9   100   101   103   105   102   103   105   105   105   104   102  94.7  87.1  84.5
 42.5  80.7  84.5  96.2   108   109   110   111   112   113   115   118   114   116   117   118   117   118   115   106  98.8  95.8
 45.0  89.8  95.8   108   121   121   125   124   126   127   129   130   127   131   131   134   132   133   129   121   112   107
 47.5  99.6   107   120   135   134   141   138   141   142   144   145   141   147   146   151   148   148   144   136   127   120
 50.0   112   122   134   149   149   157   156   160   160   164   166   163   169   170   176   173   172   166   159   149   143
 52.5   132   140   154   170   173   183   184   189   188   195   197   194   200   206   208   207   207   196   187   177   176
 55.0   164   168   185   200   212   222   230   229   233   238   241   240   245   250   253   253   255   238   227   213   213
 57.5   207   208   226   245   264   275   279   278   281   285   289   285   292   296   301   304   305   282   266   247   245
 60.0   244   248   265   285   311   319   321   319   320   322   326   322   326   324   329   333   331   304   282   259   256
 62.5   263   264   282   304   331   333   331   328   328   327   329   325   325   318   320   322   316   290   264   241   238
 65.0   249   246   265   285   309   308   303   297   293   290   289   284   282   273   273   275   268   245   218   200   197
 67.5   208   205   222   238   256   253   247   241   238   234   232   228   225   216   215   215   209   189   169   154   151
 70.0   162   158   170   183   198   193   186   178   176   173   170   166   163   156   152   152   146   129   116   107   105
 72.5   112   108   119   126   132   127   121   116   112   108   106   102  98.8  92.0  87.5  84.5  80.3  70.1  61.8  58.1  56.6
 75.0  63.4  59.2  64.5  67.9  70.1  64.9  60.0  55.4  52.8  51.3  49.0  45.3  43.0  38.8  35.8  33.6  30.5  25.6  23.8  24.1  24.1
 77.5  25.6  24.1  26.4  26.4  26.0  24.1  23.0  22.2  21.1  20.0  19.6  17.3  17.7  16.6  15.5  14.3  13.2  10.9  11.7  11.3  11.3
 80.0  11.3   9.4  11.3  11.3  11.3  10.9  10.2   9.8   9.8   9.1   9.1   6.8   8.3   7.9   7.2   6.4   6.4   4.1   5.3   5.3   5.3
 82.5   4.5   3.0   4.9   5.3   4.9   4.9   4.5   4.5   4.1   3.8   3.8   1.5   3.4   3.4   3.0   3.0   2.6   1.5   2.3   2.3   2.3
 85.0   2.3   1.5   3.0   3.0   2.6   2.6   2.6   2.6   2.6   2.3   2.3   1.1   2.3   1.9   1.5   1.9   1.5   0.8   1.5   1.5   1.5
 87.5   0.0   0.0   0.0   0.8   0.8   0.0   0.0   0.0   0.0   0.8   0.4   0.4   0.8   0.8   0.8   0.8   0.8   0.4   0.8   0.8   0.8
 90.0   0.0   0.0   0.0   0.4   0.4   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0