DRAFT DICTIONARY CBF/imgCIF Extensions Dictionary | Draft version 1.5 for comment

#

Index

##### Image dictionary (imgCIF) version 1.5.4

# _axis.system

Name:
`'_axis.system'`

Definition:

           The value of  _axis.system specifies the coordinate
                  system used to define the axis: 'laboratory', 'direct',
                  'orthogonal', 'reciprocal' or 'abstract'.

Type: ucode

Mandatory item: no

The data value must be one of the following:

`laboratory` | the axis is referenced to the imgCIF standard laboratory Cartesian coordinate system

`direct` | the axis is referenced to the direct lattice

`orthogonal` | the axis is referenced to the cell Cartesian orthogonal coordinates

`reciprocal` | the axis is referenced to the reciprocal lattice

`abstract` | the axis is referenced to abstract Cartesian cooridinate system

Enumeration default: laboratory

Category: axis

#### HTML version of draft dictionary created by modified version of makedicthtml by B. McMahon from modified version of imgCIF dcitionary 1.3.2 which is subject to the following copyright:

Copyright © 2005 International Union of Crystallography