Illuminance plots

produced from photometry file gfx4m3v.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] 768803
# [DATE] 11/05/01
# [MANUFAC] COOPER LIGHTING 
# [LUMCAT] GFX40MXX3V
# [LUMINAIRE] MED GALLERIA TYPE 3V
# [LAMP]400 WATT MH CLEAR BT-37
# [_REFLECTOR] PREM SPUN AR WITH 3V INSERTS
# [_REFRACTOR]FLAT GLASS
# [_SOCKETPOS]FIXED BASE UP
# [_LAMPLUMENS]36000
# TILT=NONE
# Bulbs: 1,  36000 lm each
# 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:  400 W


# Source file: gfx4m3v.ies
# Luminaire flux = 26149 lm,
#                   72.6 % of the bulb flux
# between 75 and 90:  1.6 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max  15.3 cd / 1000 lm ,  0.2 % 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   357 cd / 1000 lm,
# 67.5 deg to < 76  deg:   max   225 cd / 1000 lm,
# maximum spec. lum. intensity   408 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  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2  59.2
  2.5  59.6  59.6  59.4  59.6  59.6  59.6  59.8  59.8  59.8  60.0  59.8  60.0  59.8  60.0  60.0  60.2  59.6  59.8  59.8  59.6  59.6
  5.0  61.1  60.6  61.1  60.9  60.6  60.6  60.8  60.6  60.9  60.9  60.8  61.1  60.8  61.1  61.5  61.5  62.1  62.5  62.9  62.9  62.7
  7.5  61.1  61.5  61.3  61.5  61.5  61.5  61.1  61.7  61.9  62.1  62.1  62.5  62.9  63.6  63.8  64.2  64.4  64.6  64.6  64.4  64.6
 10.0  63.4  63.6  63.3  63.4  63.8  63.8  64.2  64.9  64.9  64.9  65.3  65.7  66.7  67.4  67.4  67.4  67.4  67.3  67.1  66.9  67.3
 12.5  66.9  67.1  66.7  66.9  67.1  68.0  68.4  69.4  70.1  70.7  71.1  71.4  72.0  73.2  73.6  73.2  73.4  73.4  73.2  73.0  73.0
 15.0  73.0  73.2  72.8  72.6  73.2  73.0  74.9  77.2  78.3  78.7  79.1  79.7  80.1  80.3  79.7  80.3  80.1  79.7  80.1  79.3  79.5
 17.5  74.5  74.5  74.3  74.5  75.5  76.6  77.6  79.7  80.8  81.4  81.8  82.5  83.9  85.0  84.8  84.8  83.7  83.1  83.1  83.1  82.9
 20.0  81.8  81.8  81.0  81.8  83.1  83.1  85.2  88.6  90.8  91.7  91.9  92.5  93.2  94.2  93.2  92.9  91.7  91.1  91.1  90.9  90.9
 22.5  91.7  91.3  90.9  92.1  92.7  92.1  94.6  98.8   101   102   102   102   103   103   102   101   100  98.6  98.2  97.6  97.4
 25.0   101   101   101   101   101   101   104   108   109   110   110   110   111   111   109   109   107   105   104   103   102
 27.5   110   109   110   111   109   108   111   114   115   116   115   115   115   114   112   112   110   109   108   105   105
 30.0   118   117   118   120   116   114   117   121   122   120   118   117   118   117   115   115   113   111   108   105   105
 32.5   124   122   123   126   121   119   123   126   125   122   120   118   118   118   115   116   113   113   109   105   106
 35.0   128   127   127   128   123   122   125   128   126   122   121   119   117   117   114   115   113   112   110   108   109
 37.5   130   129   128   127   124   122   125   127   126   123   123   121   118   118   116   116   114   113   112   111   111
 40.0   133   132   130   128   125   122   126   127   126   125   125   122   120   119   118   118   117   114   115   113   113
 42.5   137   136   135   131   132   127   130   134   130   130   132   130   124   121   120   119   120   117   119   117   117
 45.0   143   142   140   138   139   135   139   141   135   141   143   138   130   126   123   122   122   120   122   121   120
 47.5   153   152   148   144   146   145   148   150   152   160   156   152   143   133   128   127   129   127   129   128   128
 50.0   157   156   154   153   159   159   165   174   182   181   180   178   165   149   147   152   155   159   162   153   152
 52.5   175   176   179   188   198   205   218   239   247   241   229   226   210   191   203   211   215   222   226   223   224
 55.0   255   264   263   279   277   286   298   309   331   312   285   284   268   247   259   265   263   276   280   277   280
 57.5   318   321   325   347   334   330   351   358   392   360   323   314   294   282   280   273   268   283   263   278   288
 60.0   339   343   359   385   361   352   379   376   408   364   321   299   279   281   239   229   234   251   232   243   250
 62.5   295   298   322   357   322   316   340   326   356   306   263   244   225   239   178   173   181   199   194   206   209
 65.0   206   213   237   284   250   252   275   260   289   236   198   176   157   171   112   113   123   134   145   154   155
 67.5   137   145   165   219   186   193   213   200   225   165   128   105  88.8  96.1  63.1  67.8  75.5  82.3  89.6  93.2  94.4
 70.0  74.9  77.4  88.1   147   120   129   145   136   156   102  64.9  43.9  36.7  39.6  31.7  35.2  38.0  40.7  43.0  42.4  43.2
 72.5  24.1  24.1  30.0  81.6  72.8  85.4   106  94.9   113  71.1  38.8  21.8  17.6  17.8  16.8  17.6  18.3  18.9  20.1  19.3  19.1
 75.0  13.0  12.8  16.6  53.5  52.5  61.9  76.8  65.5  77.0  48.9  26.6  14.7  11.8  10.7  10.5  11.3  10.9  10.9  10.9  11.1  10.3
 77.5   7.6   7.6  10.7  32.7  30.6  37.6  36.5  35.5  30.4  26.6  15.5   9.4   8.0   6.7   7.1   7.1   7.1   6.5   5.9   5.7   5.7
 80.0   3.4   3.6   4.6   8.0  10.7  15.3   9.6  10.3   9.8  10.1   7.1   5.9   5.2   4.2   4.4   4.4   3.8   4.2   3.4   3.1   3.1
 82.5   1.5   1.7   1.7   2.9   3.3   3.1   3.4   3.8   2.7   2.7   2.5   2.7   2.3   1.5   1.3   1.7   1.7   1.3   1.3   1.1   1.1
 85.0   0.4   0.4   0.2   0.6   0.4   0.4   0.9   1.1   0.6   0.2   0.4   0.0   0.2   0.0   0.2   0.2   0.0   0.0   0.0   0.0   0.0
 87.5   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.2   0.2   0.0   0.0   0.0   0.0   0.0   0.2   0.2   0.0   0.0   0.0   0.0   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