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Browser-based light pollution simulator using real photometric data

Candelabra is a free, open-source photometric workbench. Drop an LDT, IES, ATLA or GLDF file: every diagram, standards checks, a path-traced office, street or greenhouse lit by the real intensity table, spectral and horticultural analysis, area and road design. Nothing leaves your browser. iesna.eu is a browser-based ecosystem for working with photometric data: parsing standard luminaire files (LDT/EULUMDAT, IES LM-63, Oxytech, ATLA-S001), running design calculations against EN 13201 / ANSI/IES RP-8 / CJJ 45 / IES-IDA MLO, and (the part I most want to show off here) rendering real urb.

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