| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of projecting a plurality of modulated lines into space.SOLUTION: A method of projecting into space, from a first object, a plurality of modulated lines to form a grid defining a first relative reference frame includes: projecting polarized light having a first orientation to form a horizontal grid line projecting from the first object 102; projecting polarized light having a second orientation different than the first orientation to form a vertical grid line projecting from the first object 104; and modulating the horizontal grid line and the vertical grid line to carry first and second grid words, respectively 106, 108. |
