FotomEdit
FotomEdit is a powerful photometric file editing software that allows to read the main formats (CIBSE, Eulumdat, IES, Phillum), edit the files, even a large number of them simultaneously, and save them in any of the formats.
It is possible to generate symmetries, add or delete rows and/or columns, edit point values, multiply them, divide them, etc…
Rotating photometric matrices, tilting them or even subtracting them is now easier than ever.
It is possible to view photometries as a table of values, as 2D graphs or in a 3D representation that can be freely rotated.