Hi Jeff,
Each variable in a CF file may possess an |ancillary_variables|
attribute, that points to variables that have relationships
(http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.5/cf-conventions.html#ancillary-data).
To attach flags to a variable, use |ancillary_variables| to point to a
variable that has |flag_values||| and |flag_meanings |attributes
(http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.5/cf-conventions.html#flags).
We have started a discussion in the background, whether an example that
illustrates this should be included in the CF documentation.
- Steve
=====================================================
On 7/14/2010 6:21 AM, Jeff deLaBeaujardiere wrote:
In another discussion, Steve Hankin wrote:
> CF generally favors attributes attached to variables over attributes
attached to files
This reminds me of a question I wanted to ask: does CF have any
conventions regarding how to handle data that contains multiple
observed quantities with different quality flags, comment fields or
other attributes for each quantity?
-Jeff DLB
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