Re: [CF-metadata] Missing data bins in histograms

2016-10-12 Thread Jim Biard
Jonathan, Missing/fill values are not allowed, but I don't see any language prohibiting flags. I'd appreciate it if you could expand on your thoughts about why they aren't allowed. Grace and peace, Jim On 10/12/16 1:30 PM, Jonathan Gregory wrote: Dear Jim That is an ingenious idea. I

[CF-metadata] Usage of histogram_of_X_over_Z

2016-10-12 Thread martin.juckes
Hello, There are two standard names of the form histogram_of_. in the CF Standard Name list (at version 36): histogram_of_backscattering_ratio_over_height_above_reference_ellipsoid and histogram_of_equivalent_reflectivity_factor_over_height_above_reference_ellipsoid. Both of these where

[CF-metadata] Missing data bins in histograms

2016-10-12 Thread Jonathan Gregory
Dear Martin I'm still uneasy about it having to be the first bin, in particular, or are you not set on that? If it can be identified from the coordinate value by flags, it could be any bin. I believe that a change to convention would be needed to allow flag values to be used with coordinates,

Re: [CF-metadata] Missing data bins in histograms

2016-10-12 Thread Jonathan Gregory
Dear Jim That is an ingenious idea. I don't think the flag atts are currently allowed for coord variables, but they could be, I agree. Best wishes Jonathan - Forwarded message from Jim Biard - > Date: Tue, 11 Oct 2016 14:39:56 -0400 > From: Jim Biard

[CF-metadata] Missing data bins in histograms

2016-10-12 Thread martin.juckes
Dear Karl, Jonathan, Jim, thanks for those comments. The CMIP6 variable in question is clmisr (http://clipc-services.ceda.ac.uk/dreq/u/59151ed6-9e49-11e5-803c-0d0b866b59f3.html) with a coordinatte of 16 altitude bins (http://clipc-services.ceda.ac.uk/dreq/u/dim:alt16.html ). I'd be happy