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Photometric Toolbox – Recent release history
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Changes in version 1.90:

  • Added Instabase in the Cloud access
  • Removed old Instabase

Changes in version 1.87:

  • Improved roadway IES Type algorithm to better handle borderline cases (e.g. Type III instead of Type II)

Changes in version 1.86:

  • Tool-Edit - Scaling candela values does not work properly with asymmetric Type B files
  • Increased column width for candela grid in Edit Tool

Changes in version 1.85:

  • Several changes to Edit Tool allowing candela values to be pasted into grid

Changes in version 1.84:

  • The deprecated cutoff classification is now displayed as N.A. for absolute photometry files. This is due to the fact that this old classification system is based on candela as a percentage of “Lamp Lumens”. This is meaningless for photometric tests performed using the absolute method as only “Luminaire Lumens” can be computed. In previous releases, the classification was computed for absolute photometry as based on luminaire lumens. This is simply not valid and cannot be compared to classifications computed for sources other than LED where photometric testing is performed by the relative method and the lamp lumens are known.
  • A number of special zones have been added to the Indoor report zonal lumen summary for purposes of requirements specified by the “Design Lights Consortium” (
  • For Network License users: the renew/release functions have been improved.

There are some very handy changes to Photometric Toolbox version 1.8 that will continue to cement a place in your heart for this program!

  • How many times have you downloaded a photometric file from a manufacturers website only to find that it is not readable by AGi32, Photometric Toolbox or any other lighting program? Chances are it is a frequent event. With Photometric Toolbox version 1.8 we have added a bit of intelligence which detects improperly delimited files (missing carriage return or line feed), errors which are common to internet downloads. You can now open these files with Photometric Toolbox and save them repairing the issue and sending you on your way.
  • It was brought to our attention by some pretty savvy users that earlier versions of Photometric Toolbox might not be using the best method to summarize the zonal lumen output from photometric files with very sparsely spaced vertical angles. These files are essentially missing the angles at the zone edges which effects the luminaire BUG Rating. As software has no idea what data should really be there (increase the density of the test angle set please), we now use a more rigorous interpolation scheme to do the best we can with the data provided.
  • LER is now included in the Road Report. Previously it was calculated in the Indoor Report only.
  • Absolute photometry is now supported in EULUMDAT format files (see PDF: EULUMDAT and Absolute Photometry). We apologize for the delay.
  • The IES recently approved Technical memorandum TM-15-2011 which is a revision to the Luminaire Classification System (LCS). The LCS quantifies the lumen limits used to calculate the Backlight, Uplight and Glare components for BUG rating. The changes to BUG have the potential to impact approximately 5 – 10% of a manufacturers outdoor products according to our very ad hoc study of a few manufacturer databases housed in the Instabase system. We have been proactive and included the new BUG-2011 calculations in Photometric Toolbox v1.81 and later (v1.81 is a free update for anyone using v1.80).

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