Illuminance plots of lpm417

(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:

   
       
# IESNA91
# [TEST] LSI 9687
# [DATE] 08/29/90
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] LPM417
# [LUMINAIRE] 16" x 9" MEDIUM PARABOLIC FLOODLIGHT / 4V X 5H
# [LAMP] 175 WATT MH
# TILT=NONE
# Bulbs: 1,  14000 lm each
# Number of measured angles:  20 vertical,  21 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous openig width, length and height:   0.830   0.670   0.000
# Ballast factor: 1,  Input power:  215 W


# Source file: lpm417.ies
# Luminaire flux =  9780 lm,
#                   69.9 % of the bulb flux
# between 75 and 90:  0.0 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max   0.0 cd/1000lm ,  0.0 % of the luminaire flux
# 90deg and above:  max   0.0 cd/1000lm ,  0.0 % of the luminaire flux
# CutOff Type: Full_CutOff    

# 62.5 deg to <67.5 deg:   max    15 cd/1000lm,
# 67.5 deg to <72.5 deg:   max    10 cd/1000lm,
# maximum spec. lum. intensity  1725 cd/1000lm

# 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  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674
  2.5  1556  1508  1511  1517  1527  1532  1547  1560  1582  1602  1611  1620  1637  1651  1671  1685  1701  1713  1724  1725  1704
  5.0  1286  1228  1237  1248  1277  1306  1337  1371  1412  1450  1471  1486  1516  1542  1567  1587  1606  1616  1630  1637  1586
 10.0   765   727   736   761   798   839   896   950  1012  1070  1095  1118  1155  1180  1204  1217  1224  1228  1225  1225  1151
 15.0   457   437   447   464   495   533   577   628   679   731   755   773   805   825   831   828   818   802   783   772   714
 20.0   301   290   295   307   327   353   386   421   459   495   513   526   548   559   558   547   522   500   481   471   437
 25.0   216   209   212   219   233   251   273   298   323   348   360   369   382   386   382   366   346   327   315   308   291
 30.0   159   154   158   163   172   185   201   217   235   254   261   267   274   275   268   255   239   227   220   216   206
 35.0   120   118   120   125   133   143   154   166   179   193   199   203   205   202   194   185   176   165   159   156   149
 40.0  94.3  92.9  94.5  98.1   104   112   121   131   141   151   155   157   159   154   146   139   131   122   115   113   108
 45.0  73.9  73.4  74.9  77.9  83.1  88.6  98.6   107   116   123   126   128   127   121   113   105  96.6  89.7  85.0  84.3  81.9
 50.0  55.9  53.3  56.6  60.6  66.3  72.3  80.5  89.5  98.1   107   109   110   107  97.3  88.1  80.5  72.6  67.2  62.9  61.3  59.8
 55.0  25.6  24.4  23.6  27.1  45.2  58.8  67.4  78.6  88.4  91.6  91.9  92.9  93.6  84.8  73.4  63.4  55.2  40.3  25.6  23.2  20.8
 60.0  20.0  18.9  17.3  14.4  12.5  14.4  14.4  15.4  16.1  16.8  16.3  17.1  17.8  14.0  12.8  12.3  11.4  11.9  13.6  14.6  13.8
 65.0  14.7  14.0  12.5   9.7   7.1   6.6   6.6   6.6   6.6   6.9   6.9   6.9   6.9   6.4   5.9   5.4   5.6   6.7   8.2   9.0   8.6
 70.0   9.5   8.6   7.1   4.9   4.1   4.1   4.1   3.9   3.6   3.3   3.3   3.6   3.3   3.3   3.1   3.1   2.8   3.1   3.8   4.6   3.9
 75.0   3.9   3.4   2.4   1.4   1.0   1.1   1.4   1.1   1.1   1.0   1.0   1.1   0.9   0.7   0.7   0.7   0.2   0.5   0.5   0.7   0.4
 80.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
 85.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   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

# IESNA91
# [TEST] LSI 9687
# [DATE] 08/29/90
# [MANUFAC] RUUD LIGHTING
# [LUMCAT] LPM417
# [LUMINAIRE] 16" x 9" MEDIUM PARABOLIC FLOODLIGHT / 4V X 5H
# [LAMP] 175 WATT MH
# TILT=NONE
# Bulbs: 1,  14000 lm each
# Number of measured angles:  20 vertical,  21 horizontal ones
# Photometric type: 1,  Units type: 1
# Luminous openig width, length and height:   0.830   0.670   0.000
# Ballast factor: 1,  Input power:  215 W


# Source file: lpm417.ies
# Luminaire flux =  9780 lm,
#                   69.9 % of the bulb flux
# between 75 and 90:  0.0 % of the luminaire flux
#  - this part causes just GLARE in case of road lighting and similar purposes
# 80deg and above:  max   0.0 cd / 1000 lm ,  0.0 % 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    15 cd / 1000 lm,
# 67.5 deg to < 76  deg:   max    10 cd / 1000 lm,
# maximum spec. lum. intensity  1725 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  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674  1674
  2.5  1556  1508  1511  1517  1527  1532  1547  1560  1582  1602  1611  1620  1637  1651  1671  1685  1701  1713  1724  1725  1704
  5.0  1286  1228  1237  1248  1277  1306  1337  1371  1412  1450  1471  1486  1516  1542  1567  1587  1606  1616  1630  1637  1586
 10.0   765   727   736   761   798   839   896   950  1012  1070  1095  1118  1155  1180  1204  1217  1224  1228  1225  1225  1151
 15.0   457   437   447   464   495   533   577   628   679   731   755   773   805   825   831   828   818   802   783   772   714
 20.0   301   290   295   307   327   353   386   421   459   495   513   526   548   559   558   547   522   500   481   471   437
 25.0   216   209   212   219   233   251   273   298   323   348   360   369   382   386   382   366   346   327   315   308   291
 30.0   159   154   158   163   172   185   201   217   235   254   261   267   274   275   268   255   239   227   220   216   206
 35.0   120   118   120   125   133   143   154   166   179   193   199   203   205   202   194   185   176   165   159   156   149
 40.0  94.3  92.9  94.5  98.1   104   112   121   131   141   151   155   157   159   154   146   139   131   122   115   113   108
 45.0  73.9  73.4  74.9  77.9  83.1  88.6  98.6   107   116   123   126   128   127   121   113   105  96.6  89.7  85.0  84.3  81.9
 50.0  55.9  53.3  56.6  60.6  66.3  72.3  80.5  89.5  98.1   107   109   110   107  97.3  88.1  80.5  72.6  67.2  62.9  61.3  59.8
 55.0  25.6  24.4  23.6  27.1  45.2  58.8  67.4  78.6  88.4  91.6  91.9  92.9  93.6  84.8  73.4  63.4  55.2  40.3  25.6  23.2  20.8
 60.0  20.0  18.9  17.3  14.4  12.5  14.4  14.4  15.4  16.1  16.8  16.3  17.1  17.8  14.0  12.8  12.3  11.4  11.9  13.6  14.6  13.8
 65.0  14.7  14.0  12.5   9.7   7.1   6.6   6.6   6.6   6.6   6.9   6.9   6.9   6.9   6.4   5.9   5.4   5.6   6.7   8.2   9.0   8.6
 70.0   9.5   8.6   7.1   4.9   4.1   4.1   4.1   3.9   3.6   3.3   3.3   3.6   3.3   3.3   3.1   3.1   2.8   3.1   3.8   4.6   3.9
 75.0   3.9   3.4   2.4   1.4   1.0   1.1   1.4   1.1   1.1   1.0   1.0   1.1   0.9   0.7   0.7   0.7   0.2   0.5   0.5   0.7   0.4
 80.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0
 85.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   0.0   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