ANSI/NISO Z39.96-2015

9 Journal Publishing Tag Set, version 1.1 • 9.5 Attributes

9.5.77 @orientation Orientation

Indicates whether an object (for example, a figure or table) should be positioned in a tall manner with the long edge vertical (portrait) or in a wide manner with the long edge horizontal (landscape).

In elements <array>, <boxed-text>, <chem-struct-wrap>, <code>, <fig>, <fig-group>, <graphic>, <media>, <preformat>, <supplementary-material>, <table-wrap>, and <table-wrap-group>, this attribute will be assigned the value portrait by default.
Value Meaning
landscape Indicates that the object should be rotated by 90 degrees.
portrait Indicates that the object should not be rotated by 90 degrees.