HUDOD – Getting/setting advanced parameters to improve HUD system Last update: 09.03.2026 This page presents you an example on how to get/set HUD Optical Design Advanced Parameters to optimize, correct or adjust the HUD system. AdvancedParameters allows you to get/set the following dynamics parameters: PGU Usage, Curvature Balance, Mirror Size Ratio, Stopping Criterion. hod = SpeosDes.HUDOD.Find("HUD Optical Design.1") hod.AdvancedParameters['Mirror size ratio'] = 1.4 print hod.AdvancedParameters['Curvature Balance'] for key in hod.AdvancedParameters: print key