Illuminance plots

produced from photometry file ucs4s5d.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] E434-85
# [DATE]  
# [MANUFAC] COOPER LIGHTING
# [LUMCAT] UCS40SXX5D
# [LUMINAIRE] 400W HPS TYPE V AREA
# [LAMP] 400W HPS CL E-18
# [_REFLECTOR] HYDROFORMED ALUMINUM
# [_REFRACTOR] FLAT GLASS
# [_SOCKET POSITION] HORIZONTAL
# [_LAMP LUMENS] 50000
# TILT=NONE
# Bulbs: 1,  50000 lm each
#  (luminous intensites divided by  1.25 in the original ies file)
# Number of measured angles:  37 vertical,  37 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous openig width, length and height:   1.080   1.080   0.000
# Ballast factor: 1,  Input power:  465 W


# Source file: ucs4s5d.ies
# Luminaire flux = 24297 raw, for the given bulb(s) it would be 30262 lm,
#                   60.5 % of the bulb flux
# between 75 and 90:  0.9 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max   3.7 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   199 cd / 1000 lm,
# 67.5 deg to < 76  deg:   max   180 cd / 1000 lm,
# maximum spec. lum. intensity   199 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  10.0  15.0  20.0  25.0  30.0  35.0  40.0  45.0  50.0  55.0  60.0  65.0  70.0  75.0  80.0  85.0  90.0  95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 145.0 150.0 155.0 160.0 165.0 170.0 175.0 180.0
#V:  
  0.0   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128
  2.5   128   127   127   127   127   127   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   127   127   127   127   127   128
  5.0   128   127   127   127   127   127   128   128   127   128   127   128   128   128   128   128   128   128   128   128   128   128   128   128   128   128   127   128   127   128   128   127   127   127   127   127   128
  7.5   127   126   126   125   125   125   125   125   125   125   125   125   125   126   126   126   126   126   126   126   126   126   126   126   125   125   125   125   125   125   125   125   125   125   126   126   127
 10.0   124   123   124   124   125   124   125   125   125   125   125   125   125   125   125   125   124   124   123   124   124   125   125   125   125   125   125   125   125   125   125   124   125   124   124   123   124
 12.5   123   122   122   123   124   124   125   125   125   125   125   125   125   125   124   123   123   122   122   122   123   123   124   125   125   125   125   125   125   125   125   124   124   123   122   122   123
 15.0   122   122   122   122   123   124   125   125   125   125   125   125   125   124   123   123   122   122   122   122   122   123   123   124   125   125   125   125   125   125   125   124   123   122   122   122   122
 17.5   122   122   121   122   122   123   125   125   125   125   125   125   125   124   123   122   122   122   122   122   122   122   123   124   125   125   125   125   125   125   125   123   122   122   121   122   122
 20.0   122   122   121   121   122   123   125   125   125   125   125   125   124   123   123   122   122   122   121   122   122   122   123   123   124   125   125   125   125   125   125   123   122   121   121   122   122
 22.5   122   121   121   121   122   122   124   125   125   125   126   125   124   123   122   122   122   122   121   122   122   122   122   123   124   125   126   125   125   125   124   122   122   121   121   121   122
 25.0   121   120   120   121   121   122   125   126   126   126   126   126   125   124   123   122   122   121   121   121   122   122   123   124   125   126   126   126   126   126   125   122   121   121   120   120   121
 27.5   120   119   120   120   121   123   125   126   126   126   126   126   125   124   123   122   121   121   120   121   121   122   123   124   125   126   126   126   126   126   125   123   121   120   120   119   120
 30.0   119   119   119   120   121   120   122   124   124   124   124   123   122   121   122   121   121   121   121   121   121   121   122   121   122   123   124   124   124   124   122   120   121   120   119   119   119
 32.5   120   120   121   120   120   120   122   123   123   123   123   122   121   120   120   120   121   122   121   122   121   120   120   120   121   122   123   123   123   123   122   120   120   120   121   120   120
 35.0   124   124   123   124   124   123   122   122   122   122   122   122   121   122   123   123   123   122   123   122   123   123   123   122   121   122   122   122   122   122   122   123   124   124   123   124   124
 37.5   127   127   129   130   130   127   125   124   123   123   124   124   125   126   127   128   127   126   124   126   127   128   127   126   125   124   124   123   123   124   125   127   130   130   129   127   127
 40.0   128   129   132   135   136   133   130   125   122   121   123   125   127   131   133   132   130   128   127   128   130   132   133   131   127   125   123   121   122   125   130   133   136   135   132   129   128
 42.5   124   125   131   136   138   136   132   127   122   121   123   126   130   134   135   135   132   128   127   128   132   135   135   134   130   126   123   121   122   127   132   136   138   136   131   125   124
 45.0   117   119   125   132   137   137   134   128   123   121   124   128   132   135   135   131   127   123   121   123   127   131   135   135   132   128   124   121   123   128   134   137   137   132   125   119   117
 47.5   112   114   119   127   134   136   134   130   126   125   127   131   133   133   131   126   119   116   115   116   119   126   131   133   133   131   127   125   126   130   134   136   134   127   119   114   112
 50.0   110   111   114   120   128   134   140   139   137   136   137   140   139   134   126   119   115   112   110   112   115   119   126   134   139   140   137   136   137   139   140   134   128   120   114   111   110
 52.5   114   113   112   116   125   134   142   150   149   150   152   150   147   137   128   119   113   111   110   111   113   119   128   137   147   150   152   150   149   150   142   134   125   116   112   113   114
 55.0   129   126   121   119   122   133   150   165   172   172   175   167   155   142   129   122   120   120   120   120   120   122   129   142   155   167   175   172   172   165   150   133   122   119   121   126   129
 57.5   160   158   151   139   136   140   159   178   190   196   193   182   169   152   138   134   136   140   145   140   136   134   138   152   169   182   193   196   190   178   159   140   136   139   151   158   160
 60.0   188   189   183   175   165   159   162   173   185   193   190   182   172   162   158   164   171   173   170   173   171   164   158   162   172   182   190   193   185   173   162   159   165   175   183   189   188
 62.5   186   186   190   193   192   189   179   173   166   168   173   175   181   186   191   194   193   192   191   192   193   194   191   186   181   175   173   168   166   173   179   189   192   193   190   186   186
 65.0   154   157   161   170   178   188   190   181   162   150   167   184   196   199   191   182   175   170   168   170   175   182   191   199   196   184   167   150   162   181   190   188   178   170   161   157   154
 67.5   119   121   123   128   139   154   165   171   162   152   163   173   180   169   155   142   139   133   130   133   139   142   155   169   180   173   163   152   162   171   165   154   139   128   123   121   119
 70.0  71.9  73.8  74.0  82.3  90.0   103   110   116   119   118   122   125   123   117  99.6  88.7  80.2  78.0  83.1  78.0  80.2  88.7  99.6   117   123   125   122   118   119   116   110   103  90.0  82.3  74.0  73.8  71.9
 72.5  32.5  33.4  33.9  38.1  45.4  48.4  56.4  60.2  63.6  67.6  67.2  66.1  60.5  51.8  46.5  36.4  33.9  32.6  31.2  32.6  33.9  36.4  46.5  51.8  60.5  66.1  67.2  67.6  63.6  60.2  56.4  48.4  45.4  38.1  33.9  33.4  32.5
 75.0  14.3  15.3  14.9  16.9  17.6  17.9  19.5  23.3  24.0  22.8  24.8  22.9  22.1  18.6  15.7  16.1  15.6  15.3  14.8  15.3  15.6  16.1  15.7  18.6  22.1  22.9  24.8  22.8  24.0  23.3  19.5  17.9  17.6  16.9  14.9  15.3  14.3
 77.5   5.7   5.9   5.4   5.3   5.4   5.1   5.3   5.9   5.5   5.7   6.4   6.1   6.5   5.7   5.8   5.9   6.3   6.7   6.8   6.7   6.3   5.9   5.8   5.7   6.5   6.1   6.4   5.7   5.5   5.9   5.3   5.1   5.4   5.3   5.4   5.9   5.7
 80.0   3.4   3.3   3.3   3.1   3.2   3.1   3.2   3.4   3.3   3.2   3.5   3.4   3.5   3.4   3.3   3.3   3.4   3.7   3.5   3.7   3.4   3.3   3.3   3.4   3.5   3.4   3.5   3.2   3.3   3.4   3.2   3.1   3.2   3.1   3.3   3.3   3.4
 82.5   1.5   1.7   1.6   1.6   1.6   1.3   1.5   1.5   1.4   1.5   1.8   1.4   1.7   1.5   1.5   1.3   1.4   1.4   1.5   1.4   1.4   1.3   1.5   1.5   1.7   1.4   1.8   1.5   1.4   1.5   1.5   1.3   1.6   1.6   1.6   1.7   1.5
 85.0   0.9   0.9   0.9   0.9   0.8   0.8   0.9   0.8   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.9   0.8   0.9   0.8   0.8   0.9   0.9   0.9   0.9
 87.5   0.6   0.6   0.6   0.6   0.6   0.6   0.5   0.5   0.5   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.6   0.5   0.5   0.5   0.6   0.6   0.6   0.6   0.6   0.6
 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   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0