*unit-transform* Variable

Summary

The list (1 0 0 1 0 0).

Package

graphics-ports

Initial Value

(1 0 0 1 0 0)

Description

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.

See also

graphics-state