(This is but a static copy of the output of ies_v.php run from a ../online/ directory, slightly edited. The info on the luminaire is page 2.pdf from the producer leaflet.)

Illuminance plot and photometry table for a 9 W amber LED luminaire Innolumis

Photometry file (*.ies, *.ldt, *.eld) URL:

   or change Parameters:
assume a row of luminaires spaced:  heights
include a scale on the right margin
rotate plot: degrees (clockwise as +)
luminaire at height of  m (set the lamp flux as  lm)
Image height (pixels - 1)
start with summary results
  incl. explanation on pollution by rays between 90 and 105 degrees
save parameters    use my saved settings

Another parameters can be given at command line (ev. overriding all previous data):

(see ev. their overview).   

Summary results

#FiOut 75-90 >= 80degrees    >= 90degrees      CutOff?        filename
#  %    %    cd/klm % Out  cd/klm % Out % I.D.L.P.
curr_lum.ies exists!
  99.9  6.1  201.8   1.7    0.7?  0.0?   0?  Non-CutOff       curr_lum.ldt

Detailed results

of the programme ies2tab run from a script ies_view_php.sh with a command line:
ies_view_php.sh http://amper.ped.muni.cz/light/ies2/innolumis/photom_files/bat9.ldt -cm6 -co -rh3 -cs -rv-90 -h5

illuminance plot Go to a readable photometry table
See the directory including the data in the other format
illuminance scale

Values below the scale are illuminance / 1 lx. This is for the case that the luminaire is 5 m over terrain and the spacing of luminaires is 3 heights, i.e., 15 m. As you see, the illuminance is very uniform in a band width of 1.2 luminaire heights, i.e., 6 m.

The result for a continuous row of luminaires is is shown at the left of the plot. side. At the right side, illuminance produced by a single luminaire remains. White marks are spaced one luminaire height, marks on axes are five times denser (0.2 height).