The list (1 0 0 1 0 0)
.
graphics-ports
(1 0 0 1 0 0)
The variable *unit-transform*
holds the list (1 0 0 1 0 0)
which is the unit transform I, such that X = XI, where X is a 3-vector. Graphics ports are initialized with the unit transform in their graphics-state. This means that port coordinate axes are initially the same as the window axes.
CAPI User Guide and Reference Manual (Windows version) - 01 Dec 2021 19:34:15