Re: [CF-metadata] proposed change to CF calendar

2010-10-15 Thread Benno Blumenthal
Sorry, I don't understand why you simply label your datasets calendar: proleptic_gregorian if they go before 1582, and support gregorian with the restriction that the values correspond to post 1582. Much better than changing the calendar attribute standard (again!), and messing up existing code

Re: [CF-metadata] proposed change to CF calendar

2010-10-15 Thread Steve hankin
Tony et. al., I support Benno's approach. This is an argument that goes back a very long time (probably 20+ years!). I have always taken the same position that you have -- namely that the proleptic Gregorian calendar is the common sense one to use for scientific (though not social science)

Re: [CF-metadata] point observation data in CF 1.4

2010-10-15 Thread Steve hankin
Hi Chris (neighbor!), From a technical perspective I think (although without detailed investigation) that your particular slant on the particle tracking can fit into standard CF 1.4 "5.5. Trajectories". There is no prohibition in CF about defining other special axes -- such as a num_particl