Illuminance plots of Arc_2680_SNN_2B_1_MT_35_3500_3000_G12

(as computed by ies2tab from that IES photometry file)

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:

   
       
# [MANUFAC]   INDAL
# [TEST]      LM02426  / Inr1964
# [LUMINAIRE] 2680 SNN/2B
# [LUMCAT]    Arc
# [DATE]      2002  INDUSTRIA Labor Capelle
# down given: 100%
# out given: 78.8%
# tilt: 0.0
# [LAMP]      1 MT 35 3500 3000 G12
# Bulbs: 1,   3500 lm each
# Source file: Arc_2680_SNN_2B_1_MT_35_3500_3000_G12.ldt
# Luminaire flux =   788 raw, for the given bulb(s) it would be  2757 lm,
#                   78.8 % of the bulb flux
# between 75 and 90:  5.6 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max 128.0 cd / 1000 lm ,  1.3 % of the luminaire flux
# 90deg and above:  max   7.0 cd / 1000 lm ,  0.0 % of the luminaire flux
# CutOff Type: IES_Semi-CutOff

#  Increase of Sky Luminance due to light going
#    from the luminaire difectly above horizon, as compared with the
#    luminance produced by the light dispersed from the ground:   0 %
#  Increase of Sky Luminance in Distant Places by light below 15.0 degrees
#    due to light going from the luminaire directly above horizon:   0 %
#  (for the zenith luminance such an angle suits places up to  19 km distance)
#   The increases concern 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)
#   (the downward-scattered part of lambertian uplight is 0.1108 then)

# 62.5 deg to <67.5 deg:   max   480 cd / 1000 lm,
# 67.5 deg to < 76  deg:   max   602 cd / 1000 lm,
# maximum spec. lum. intensity   602 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  95.0 100.0 105.0 110.0 115.0 120.0 125.0 130.0 135.0 140.0 145.0 150.0 155.0 160.0 165.0 170.0 175.0 180.0 185.0 190.0 195.0 200.0 205.0 210.0 215.0 220.0 225.0 230.0 235.0 240.0 245.0 250.0 255.0 260.0 265.0 270.0 275.0 280.0 285.0 290.0 295.0 300.0 305.0 310.0 315.0 320.0 325.0 330.0 335.0 340.0 345.0 350.0 355.0
#V:  
  0.0   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151   151
  2.5   161   162   162   163   164   163   162   162   162   160   158   159   159   160   160   160   160   161   161   161   160   160   160   160   159   159   158   160   162   162   162   163   164   163   162   162   161   161   160   160   159   158   157   157   156   155   155   154   153   153   153   153   152   152   151   152   152   153   153   153   153   154   155   155   156   157   157   158   159   160   160   161
  5.0   172   173   174   176   178   176   174   173   173   169   166   167   168   169   170   170   170   170   171   170   170   170   170   169   168   167   166   169   173   173   174   176   178   176   174   173   172   171   170   169   168   166   164   162   161   160   159   157   156   155   155   154   154   153   152   153   154   154   155   155   156   157   159   160   161   162   164   166   168   169   170   171
  7.5   175   176   178   180   183   183   183   185   186   187   187   188   190   188   186   185   185   185   186   185   185   185   186   188   190   188   187   187   186   185   183   183   183   180   178   176   175   173   172   170   169   166   164   163   162   161   160   158   155   154   152   151   150   149   149   149   150   151   152   154   155   158   160   161   162   163   164   166   169   170   172   173
 10.0   178   180   182   185   188   190   192   196   200   204   208   210   212   207   202   201   200   200   201   200   200   201   202   207   212   210   208   204   200   196   192   190   188   185   182   180   178   176   174   172   170   167   164   163   163   162   162   158   154   152   150   148   146   146   146   146   146   148   150   152   154   158   162   162   163   163   164   167   170   172   174   176
 12.5   179   181   184   187   191   193   195   200   205   209   213   216   219   217   215   212   209   209   208   209   209   212   215   217   219   216   213   209   205   200   195   193   191   187   184   181   179   176   173   170   168   165   163   160   157   155   153   149   146   144   143   141   140   140   140   140   140   141   143   144   146   149   153   155   157   160   163   165   168   170   173   176
 15.0   180   183   186   190   194   196   198   204   210   214   218   222   226   227   228   223   218   217   216   217   218   223   228   227   226   222   218   214   210   204   198   196   194   190   186   183   180   176   172   169   166   164   162   157   152   148   144   141   138   137   136   135   134   134   135   134   134   135   136   137   138   141   144   148   152   157   162   164   166   169   172   176
 17.5   179   183   187   192   197   200   203   207   210   213   215   216   218   216   214   212   209   208   207   208   209   212   214   216   218   216   215   213   210   207   203   200   197   192   187   183   179   175   171   169   166   161   156   151   146   142   138   135   132   130   129   128   127   129   131   129   127   128   129   130   132   135   138   142   146   151   156   161   166   169   171   175
 20.0   178   183   188   194   200   204   208   209   211   211   212   211   210   205   200   200   201   200   199   200   201   200   200   205   210   211   212   211   211   209   208   204   200   194   188   183   178   174   171   168   166   158   150   145   141   137   133   129   126   124   122   121   121   124   127   124   121   121   122   124   126   129   133   137   141   145   150   158   166   168   171   174
 22.5   174   179   184   191   198   203   208   209   210   207   205   202   199   192   185   184   183   185   186   185   183   184   185   192   199   202   205   207   210   209   208   203   198   191   184   179   174   171   167   165   162   154   146   141   136   132   127   124   121   119   116   115   114   117   119   117   114   115   116   119   121   124   127   132   136   141   146   154   162   165   167   171
 25.0   170   175   181   188   196   202   208   208   209   203   198   193   188   179   170   168   166   169   173   169   166   168   170   179   188   193   198   203   209   208   208   202   196   188   181   175   170   167   164   161   158   150   142   136   131   126   122   119   116   113   111   109   108   109   111   109   108   109   111   113   116   119   122   126   131   136   142   150   158   161   164   167
 27.5   168   174   179   186   193   200   207   206   204   198   191   185   180   174   168   163   158   162   165   162   158   163   168   174   180   185   191   198   204   206   207   200   193   186   179   174   168   164   160   155   150   143   136   131   126   122   117   114   111   110   108   108   107   109   110   109   107   108   108   110   111   114   117   122   126   131   136   143   150   155   160   164
 30.0   166   172   178   184   190   198   206   203   200   192   184   178   172   169   166   158   150   154   158   154   150   158   166   169   172   178   184   192   200   203   206   198   190   184   178   172   166   161   156   149   142   136   130   126   122   117   112   109   106   106   106   106   107   108   109   108   107   106   106   106   106   109   112   117   122   126   130   136   142   149   156   161
 32.5   160   168   177   187   198   201   205   200   196   189   182   176   169   166   164   157   150   152   154   152   150   157   164   166   169   176   182   189   196   200   205   201   198   187   177   168   160   154   148   142   135   130   124   120   115   111   107   108   110   111   112   109   106   107   108   107   106   109   112   111   110   108   107   111   115   120   124   130   135   142   148   154
 35.0   154   165   176   191   206   205   204   198   192   186   181   173   166   164   162   156   150   150   151   150   150   156   162   164   166   173   181   186   192   198   204   205   206   191   176   165   154   147   141   135   129   123   118   113   109   105   102   108   114   116   118   112   106   106   107   106   106   112   118   116   114   108   102   105   109   113   118   123   129   135   141   147
 37.5   154   164   174   185   197   196   196   191   187   186   185   178   171   170   170   165   159   158   156   158   159   165   170   170   171   178   185   186   187   191   196   196   197   185   174   164   154   146   137   132   127   122   116   111   105   106   107   106   106   103  99.0  94.5  90.0  90.5  91.0  90.5  90.0  94.5  99.0   103   106   106   107   106   105   111   116   122   127   132   137   146
 40.0   154   163   172   180   188   188   188   185   182   185   189   182   176   177   178   173   169   165   161   165   169   173   178   177   176   182   189   185   182   185   188   188   188   180   172   163   154   144   134   130   126   120   114   108   102   107   112   105  98.0  89.0  80.0  77.0  74.0  74.5  75.0  74.5  74.0  77.0  80.0  89.0  98.0   105   112   107   102   108   114   120   126   130   134   144
 42.5   169   181   193   200   206   202   197   191   184   185   186   190   195   200   206   198   189   181   173   181   189   198   206   200   195   190   186   185   184   191   197   202   206   200   193   181   169   154   139   132   126   118   109   106   102   103   103  95.0  87.0  84.0  81.0  79.0  77.0  77.3  77.5  77.3  77.0  79.0  81.0  84.0  87.0  95.0   103   103   102   106   109   118   126   132   139   154
 45.0   184   199   214   219   225   215   206   196   187   185   183   198   214   224   234   222   210   198   186   198   210   222   234   224   214   198   183   185   187   196   206   215   225   219   214   199   184   164   144   135   126   115   105   103   102  98.0  94.0  85.0  76.0  79.0  82.0  81.0  80.0  80.0  80.0  80.0  80.0  81.0  82.0  79.0  76.0  85.0  94.0  98.0   102   103   105   115   126   135   144   164
 47.5   181   211   241   251   260   241   221   209   196   197   197   217   237   257   278   250   222   208   193   208   222   250   278   257   237   217   197   197   196   209   221   241   260   251   241   211   181   159   137   130   122   111   101   102   103  93.5  84.0  81.5  79.0  78.5  78.0  77.8  77.5  75.8  74.0  75.8  77.5  77.8  78.0  78.5  79.0  81.5  84.0  93.5   103   102   101   111   122   130   137   159
 50.0   179   223   268   282   296   266   236   221   206   208   211   235   260   291   322   278   235   217   200   217   235   278   322   291   260   235   211   208   206   221   236   266   296   282   268   223   179   155   131   124   118   107  97.0   101   104  89.0  74.0  78.0  82.0  78.0  74.0  74.5  75.0  71.5  68.0  71.5  75.0  74.5  74.0  78.0  82.0  78.0  74.0  89.0   104   101  97.0   107   118   124   131   155
 52.5   168   227   285   307   330   287   244   229   214   221   228   255   281   310   339   284   229   210   191   210   229   284   339   310   281   255   228   221   214   229   244   287   330   307   285   227   168   150   132   125   117   108  99.5  97.8  96.0  87.3  78.5  77.8  77.0  74.3  71.5  66.5  61.5  57.5  53.5  57.5  61.5  66.5  71.5  74.3  77.0  77.8  78.5  87.3  96.0  97.8  99.5   108   117   125   132   150
 55.0   158   230   302   333   364   308   252   237   222   234   246   274   302   329   356   290   224   203   182   203   224   290   356   329   302   274   246   234   222   237   252   308   364   333   302   230   158   146   134   125   116   109   102  95.0  88.0  85.5  83.0  77.5  72.0  70.5  69.0  58.5  48.0  43.5  39.0  43.5  48.0  58.5  69.0  70.5  72.0  77.5  83.0  85.5  88.0  95.0   102   109   116   125   134   146
 57.5   175   252   329   363   397   325   254   240   227   229   232   254   276   284   293   242   191   173   156   173   191   242   293   284   276   254   232   229   227   240   254   325   397   363   329   252   175   155   136   129   122   117   112   101  89.0  86.3  83.5  79.3  75.0  69.0  63.0  52.5  42.0  38.8  35.5  38.8  42.0  52.5  63.0  69.0  75.0  79.3  83.5  86.3  89.0   101   112   117   122   129   136   155
 60.0   192   274   356   393   430   343   256   244   232   225   218   234   250   240   230   194   158   144   130   144   158   194   230   240   250   234   218   225   232   244   256   343   430   393   356   274   192   165   138   133   129   125   122   106  90.0  87.0  84.0  81.0  78.0  67.5  57.0  46.5  36.0  34.0  32.0  34.0  36.0  46.5  57.0  67.5  78.0  81.0  84.0  87.0  90.0   106   122   125   129   133   138   165
 62.5   197   275   354   404   455   370   286   248   211   196   181   184   187   179   171   150   128   119   109   119   128   150   171   179   187   184   181   196   211   248   286   370   455   404   354   275   197   169   141   135   129   121   113   101  88.5  85.0  81.5  79.3  77.0  65.3  53.5  46.0  38.5  38.0  37.5  38.0  38.5  46.0  53.5  65.3  77.0  79.3  81.5  85.0  88.5   101   113   121   129   135   141   169
 65.0   202   277   352   416   480   398   316   253   190   167   144   134   125   118   112   105  99.0  94.0  89.0  94.0  99.0   105   112   118   125   134   144   167   190   253   316   398   480   416   352   277   202   173   144   136   129   116   104  95.5  87.0  83.0  79.0  77.5  76.0  63.0  50.0  45.5  41.0  42.0  43.0  42.0  41.0  45.5  50.0  63.0  76.0  77.5  79.0  83.0  87.0  95.5   104   116   129   136   144   173
 67.5   209   299   389   465   541   448   355   256   157   140   122   114   105   104   102  95.3  88.5  84.0  79.5  84.0  88.5  95.3   102   104   105   114   122   140   157   256   355   448   541   465   389   299   209   174   139   132   126   114   103  98.8  94.5  91.5  88.5  84.0  79.5  64.5  49.5  48.0  46.5  54.3  62.0  54.3  46.5  48.0  49.5  64.5  79.5  84.0  88.5  91.5  94.5  98.8   103   114   126   132   139   174
 70.0   216   321   427   514   602   498   395   260   125   112   100  93.0  86.0  89.0  92.0  85.0  78.0  74.0  70.0  74.0  78.0  85.0  92.0  89.0  86.0  93.0   100   112   125   260   395   498   602   514   427   321   216   175   134   128   123   112   102   102   102   100  98.0  90.5  83.0  66.0  49.0  50.5  52.0  66.5  81.0  66.5  52.0  50.5  49.0  66.0  83.0  90.5  98.0   100   102   102   102   112   123   128   134   175
 72.5   160   257   354   443   531   425   318   207  95.5  96.5  97.5  89.5  81.5  80.0  78.5  89.0  99.5  91.5  83.5  91.5  99.5  89.0  78.5  80.0  81.5  89.5  97.5  96.5  95.5   207   318   425   531   443   354   257   160   125  90.5  89.0  87.5  81.3  75.0  75.0  75.0  68.8  62.5  57.5  52.5  43.0  33.5  35.0  36.5  47.8  59.0  47.8  36.5  35.0  33.5  43.0  52.5  57.5  62.5  68.8  75.0  75.0  75.0  81.3  87.5  89.0  90.5   125
 75.0   104   193   282   371   460   351   242   154  66.0  80.5  95.0  86.0  77.0  71.0  65.0  93.0   121   109  97.0   109   121  93.0  65.0  71.0  77.0  86.0  95.0  80.5  66.0   154   242   351   460   371   282   193   104  75.5  47.0  49.5  52.0  50.0  48.0  48.0  48.0  37.5  27.0  24.5  22.0  20.0  18.0  19.5  21.0  29.0  37.0  29.0  21.0  19.5  18.0  20.0  22.0  24.5  27.0  37.5  48.0  48.0  48.0  50.0  52.0  49.5  47.0  75.5
 77.5  67.0   123   180   237   294   224   153  97.3  41.0  47.0  53.0  48.3  43.5  40.5  37.5  50.8  64.0  58.0  52.0  58.0  64.0  50.8  37.5  40.5  43.5  48.3  53.0  47.0  41.0  97.3   153   224   294   237   180   123  67.0  48.8  30.5  31.8  33.0  31.3  29.5  28.8  28.0  22.3  16.5  15.3  14.0  12.8  11.5  12.0  12.5  16.5  20.5  16.5  12.5  12.0  11.5  12.8  14.0  15.3  16.5  22.3  28.0  28.8  29.5  31.3  33.0  31.8  30.5  48.8
 80.0  30.0  54.0  78.0   103   128  96.5  65.0  40.5  16.0  13.5  11.0  10.5  10.0  10.0  10.0   8.5   7.0   7.0   7.0   7.0   7.0   8.5  10.0  10.0  10.0  10.5  11.0  13.5  16.0  40.5  65.0  96.5   128   103  78.0  54.0  30.0  22.0  14.0  14.0  14.0  12.5  11.0   9.5   8.0   7.0   6.0   6.0   6.0   5.5   5.0   4.5   4.0   4.0   4.0   4.0   4.0   4.5   5.0   5.5   6.0   6.0   6.0   7.0   8.0   9.5  11.0  12.5  14.0  14.0  14.0  22.0
 82.5  19.0  32.5  46.0  58.5  71.0  54.3  37.5  24.3  11.0   9.8   8.5   8.3   8.0   7.5   7.0   6.5   6.0   6.3   6.5   6.3   6.0   6.5   7.0   7.5   8.0   8.3   8.5   9.8  11.0  24.3  37.5  54.3  71.0  58.5  46.0  32.5  19.0  14.5  10.0   9.8   9.5   8.8   8.0   7.0   6.0   5.5   5.0   4.8   4.5   4.3   4.0   3.5   3.0   3.3   3.5   3.3   3.0   3.5   4.0   4.3   4.5   4.8   5.0   5.5   6.0   7.0   8.0   8.8   9.5   9.8  10.0  14.5
 85.0   8.0  11.0  14.0  14.0  14.0  12.0  10.0   8.0   6.0   6.0   6.0   6.0   6.0   5.0   4.0   4.5   5.0   5.5   6.0   5.5   5.0   4.5   4.0   5.0   6.0   6.0   6.0   6.0   6.0   8.0  10.0  12.0  14.0  14.0  14.0  11.0   8.0   7.0   6.0   5.5   5.0   5.0   5.0   4.5   4.0   4.0   4.0   3.5   3.0   3.0   3.0   2.5   2.0   2.5   3.0   2.5   2.0   2.5   3.0   3.0   3.0   3.5   4.0   4.0   4.0   4.5   5.0   5.0   5.0   5.5   6.0   7.0
 87.5   6.0   8.3  10.5  10.3  10.0   9.0   8.0   6.5   5.0   4.8   4.5   4.3   4.0   3.8   3.5   3.8   4.0   4.3   4.5   4.3   4.0   3.8   3.5   3.8   4.0   4.3   4.5   4.8   5.0   6.5   8.0   9.0  10.0  10.3  10.5   8.3   6.0   5.3   4.5   4.3   4.0   3.8   3.5   3.3   3.0   3.0   3.0   2.8   2.5   2.3   2.0   2.0   2.0   2.0   2.0   2.0   2.0   2.0   2.0   2.3   2.5   2.8   3.0   3.0   3.0   3.3   3.5   3.8   4.0   4.3   4.5   5.3
 90.0   4.0   5.5   7.0   6.5   6.0   6.0   6.0   5.0   4.0   3.5   3.0   2.5   2.0   2.5   3.0   3.0   3.0   3.0   3.0   3.0   3.0   3.0   3.0   2.5   2.0   2.5   3.0   3.5   4.0   5.0   6.0   6.0   6.0   6.5   7.0   5.5   4.0   3.5   3.0   3.0   3.0   2.5   2.0   2.0   2.0   2.0   2.0   2.0   2.0   1.5   1.0   1.5   2.0   1.5   1.0   1.5   2.0   1.5   1.0   1.5   2.0   2.0   2.0   2.0   2.0   2.0   2.0   2.5   3.0   3.0   3.0   3.5
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   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0