An index refering to one of the following possible gradients: 0 - Original Ladybug 1 - Nuanced Ladybug 2 - Multi-colored Ladybug 3 - Ecotect 4 - View Study 5 - Shadow Study 6 - Glare Study 7 - Annual Comfort 8 - Thermal Comfort 9 - Peak Load Balance 10 - Heat Sensation 11 - Cold Sensation 12 - Benefit/Harm 13 - Harm 14 - Benefit 15 - Shade Benefit/Harm 16 - Shade Harm 17 - Shade Benefit 18 - Energy Balance 19 - Energy Balance w/ Storage 20 - THERM 21 - Cloud Cover 22 - Black to White 23 - Blue, Green, Red 24 - Multicolored 2 25 - Multicolored 3 26 - OpenStudio Palette