IESNA:LM-63-2002

[knjaz]

The following is a summary of the major changes from LM-63-1995 to LM-63-2002:

● The first line in the file is now IESNA:LM-63-2002 (see Section 5.1).
● All lines can now be 256 characters in length (see Section 6).
● All IESNA LM-63-2002 filenames shall now have the file extension ies or IES.
● The following keywords are now required: [TEST], [TESTLAB], [MANUFAC], and [ISSUEDATE] (see Section 5.2).
● [DATE] keyword replaced with [ISSUEDATE] (see Annex B).
● [BLOCK] and [ENDBLOCK] keywords have been removed.
● All tilt filenames (TILT=<filename>) shall now have the file extension tlt or TLT (tilt format moved to Annex G).
● Definitions of the Luminous Opening have been expanded and, in some cases, modified. The folowing shapes are directly affected: Circular, Sphere, Vertical Cylinder, Horizontal Cylinder, Ellipse, and Ellipsoid (see Table 1 and Annex D).
● The allowance for horizontal angles starting at 90 degrees and ending at 270 degrees for Type C photometry has been removed.
● [LAMPPOSITION] keyword has been added (see Annex E).
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