Belcour, LaurentBarla, PascalPacanowski, RomainReinhard Klein and Holly Rushmeier2014-12-162014-12-162014978-3-905674-64-42309-5059https://doi.org/10.2312/mam.20141293https://diglib.eg.org/handle/10.2312/mam.20141293.009-013In this document, we introduce ALTA, a cross platform generic open-source library for Bidirectional Reflectance Distribution Function (BRDF) analysis. Among others, ALTA permits to estimate BRDF models parameters from measured data, to perform statistical analysis and also to export BRDF data models in a wide variety of formats.