Hi everyone, I just had a look at the definition of label variables in the CF-1.6 Document. In paragraph 6.1 it says: "The inner dimension (last dimension in CDL terms) is the maximum length of each string, and the other dimensions are axis dimensions." This leads me to believe that a label variable could have any number of dimensions (starting at 1 for the string length). However, I have never seen an example that uses label variables with more than two dimensions.
The paragraph from the conventions document is summarized in the
requirements and recommendations list as follows:
"6.1 Labels
Requirements:
A variable of character type that is named by a coordinates
attribute is a label variable. This variable **must have one or two**
dimensions. The trailing (CDL order) or sole dimension is for the
maximum string length. If there are two dimensions, leading dimension
(CDL order) must match one of those of the data variable."
So this clearly states that the dimensionality of a label variable
should be either 1 or 2. Which one is right? Does anyone have an example
for a label variable with more than two dimensions?
Regards,
Michael
--
Michael Decker
Forschungszentrum Jülich
Institut für Energie- und Klimaforschung - Troposphäre (IEK-8)
E-Mail: [email protected]
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Prof. Dr. Sebastian M. Schmidt
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