The attributes associated with either dimension or dimension width variables are given in this section.
If these attributes are not present, they are assumed to have the following default values:
For xspace: (1, 0, 0), for yspace: (0, 1, 0), and for zspace: (0, 0, 1)
The direction_cosines attributes apply only to dimension variables.
See section 2.1 for the full explanation of this attribute.
See section 2.1 for the full explanation of this attribute.
See section 2.1 for the full explanation of this attribute.