Shouldn't the the variables s, a, and t be of type string? I believe
that a scalar variable of type char is one character long, isn't it?
(See Section 5.2 of the NUG
<https://www.unidata.ucar.edu/software/netcdf/docs/netcdf.html#CDL-Data-Types>)
On 12/17/15 1:53 PM, David Hassell wrote:
Hello Dan,
Thanks for the nice example. I think there is an extra case you could
include. From #104:
"If a string-valued auxiliary coordinate variable has only one
dimension (the maximum length of the string), it is a string-valued
scalar coordinate variable"
Adding that to your example (dimension maxlen, variable u):
dimensions:
x = 180;
y = 290;
p = 1;
n = 5;
maxlen = 256;
variables:
float d(y, x, p, n);
d: coordinates = "lat lon h s a z t u";
float x(x); # coordinate variable
float y(y); # coordinate variable
float p(p); # size 1 coordinate variable
float lat(y, x); # auxiliary coordinate variable
float lon(y, x); # auxiliary coordinate variable
float h(p); # size 1 auxiliary coordinate variable
char s(n); # string-valued auxiliary coordinate variable
char a(p); # size 1 string-valued auxiliary coordinate variable
float z; # numeric scalar coordinate variable
char t; # string-valued scalar coordinate variable
char u(maxlen); # string-valued scalar coordinate variable
All the best,
David
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Department of Meteorology, University of Reading,
Earley Gate, PO Box 243,
Reading RG6 6BB, U.K.
Tel : +44 118 3785613
E-mail: [email protected]
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