Crystallographic Information Framework

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Index

DDLm dictionary version 4.1.0

_enumeration.mandatory

Name:
_enumeration.mandatory

Definition:

   
    Yes or No flag on whether the enumerate states specified for an
    item in the current definition (in which item appears) MUST be
    used on instantiation.

Type: Code


The data value must be one of the following:


Yes 		Use of state is mandatory.

No 		Use of state is unnecessary.

Enumeration default: Yes

Category:
enumeration


International Tables for Crystallography

Volume G: Definition and exchange of crystallographic data

First online edition (2006)

Edited by S. R. Hall and B. McMahon

An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.