Top-left lighting

This is reflected in Roman mosaics and in Renaissance, baroque and impressionist art.

[1][2] In cartography, the predominant custom of placing the shadow on the right-hand side of hill profiles was established during the 15th century.

[3] Computer interfaces tend to use top left lighting as well (cf.

Windows 9x and macOS screenshot), although this trend has gradually shifted more towards light coming straight from the top (cf.

)[4][5] There are notable exceptions to this convention, such as Sandro Botticelli's The Birth of Venus due to the point of view which may represent geographical perspective and location.