Re: [CF-metadata] standards for probabilities

2011-12-02 Thread Jonathan Gregory
Dear Vegard A dimension (and variable) for specifying percentiles: float percentile(percentile) ; percentile:units = 1 ; percentile:standard_name = cumulative_distribution_function ; float air_temperature_percentiles(time, percentile,

Re: [CF-metadata] Proposal for better handling vector quantities in CF

2011-12-02 Thread Jonathan Gregory
Dear Thomas At the current stage, it would be valid to define an umbrella vector variable from two component variables, one being dX(time,xc,yc) and dY(time,height,xc,yc). What would be the meaning of such a construct? And if invalid, how can we enforce that the component variables have to

Re: [CF-metadata] FW: netcdf for particle trajectories

2011-12-02 Thread Chris Barker
Sorry I haven't send what I promise yet -- I've been home sick. On 12/2/11 1:37 AM, Jonathan Gregory wrote: I agree, this is a case for a ragged array, with two unlimited dimensions, logically speaking. However such a thing can be accommodated in the new discrete geometry conventions