This page contains the actual XSugar stylesheet for parsing CF-metadata "standard names", and for inter-converting between the plain-text CF-metadata format and the corresponding XML format.
/* Robert Muetzelfeldt 16 Oct 2008 This is a direct re-casting of the rules given in http://cf-pcmdi.llnl.gov/documents/cf-standard-names/guidelines for CF-metadata Standard Names in XSugar. */ /* Notes: 'Substance' needs to be further analysed in terms of its constituent parts */ BaseName = amount|area|area_fraction|density|energy|energy_content|energy_density|frequency|frequency_of_occurence|heat_flux|heat_transport|horizontal_streamfunction|horizontal_velocity_potential|mass|mass_flux|mass_fraction|mass_mixing_ratio|mass_transport|mole_fraction|mole_flux|momentum_flux|partial_pressure|period|power|pressure|probability|radiative_flux|specific_eddy_kinetic_energy|speed|stress|temperature|thickness|velocity|volume|volume_flux|volume_fraction|volume_transport|vorticity Condition = clear_sky|deep_snow|no_snow Direction = upward|downward|northward|southward|eastward|westward|x|y Medium = air|atmosphere_boundary_layer|mesosphere|sea_ice|sea_water|soil|soil_water|stratosphere|thermosphere|troposphere Substance = condensed_water|oxygen|sulfate_aerosol|ammonium_dry_aerosol|black_carbon_dry_aerosol|cloud_condensed_water|cloud_ice|cloud_liquid_water|convective_cloud_condensed_water|convective_cloud_ice|convective_cloud_liquid_water|dimethyl_sulfide|dust_dry_aerosol|frozen_water|graupel|mercury_dry_aerosol|nitrate_dry_aerosol|ozone|particulate_organic_matter_dry_aerosol|pm1_aerosol|pm10_aerosol|pm2p5_aerosol|precipitation|primary_particulate_organic_matter_dry_aerosol|rain|seasalt_dry_aerosol|secondary_particulate_organic_matter_dry_aerosol|snow|stratiform_cloud_ice|stratiform_cloud_liquid_water|sulfate_dry_aerosol|sulfur_dioxide|unfrozen_water|water Surface = toa|tropopause|surface|adiabatic_condensation_level|cloud_top|convective_cloud_top|cloud_base|convective_cloud_base|freezing_level|ground_level|maximum_wind_speed_level|sea_floor|sea_ice_base|sea_level|top_of_atmosphere_boundary_layer|top_of_atmosphere_model|top_of_dry_convection Process = advection|convection|deep_convection|diabatic_processes|diffusion|dry_convection|gravity_wave_drag|gyre|isostatic_adjustment|large_scale_precipitation|longwave_heating|moist_convection|overturning|shallow_convection|shortwave_heating|thermodynamics WhereType = cloud|land|open_sea|sea|sea_ice|vegetation NL = \r\n|\r|\n Text = [a-z]+(_[a-z0-9]+)* file : [standard_names Ss] = <standard_names> [standard_names Ss] </> standard_names : [standard_name1 S] [NL] [standard_names Ss] = <standard_name> [standard_name1 S] </> [standard_names Ss] standard_names >: [Text T] [NL] [standard_names Ss] = <fail_to_parse> [Text T] </> [standard_names Ss] standard_names : =
/* The following is actually the "direction of the spatial component", so "component" is a bad name (but kept here for consistency with the original terminology). Note that the rules allow for two direction terms to be used for a tensor quantity. Clearly, only certain pairings are possible, but I have not built this restriction in as yet. */
standard_name1 : [surface S] [component C] [standard_name N] [at_surface AS] [in_medium M]
[due_to_process P] [where_type T] [assuming_condition AC]
= [surface S] [component C] [standard_name N] [at_surface AS] [in_medium M]
[due_to_process P] [where_type T] [assuming_condition AC]
surface : [Surface S] "_"
= <surface> [Surface S] </>
surface : =
component : [Direction D1] "_" [Direction D2] "_"
= <direction> [Direction D1] </> <direction> [Direction D2] </>
component : [Direction D] "_"
= <direction> [Direction D] </>
component : =
at_surface : "_at_" [Surface S]
= <at_surface> [Surface S] </>
at_surface : =
in_medium : "_in_" [Medium M]
= <in_medium> [Medium M] </>
in_medium : =
due_to_process : "_due_to_" [Process P]
= <due_to_process> [Process P] </>
due_to_process : =
where_type : "_where_" [WhereType W]
= <where_type> [WhereType W] </>
where_type : =
assuming_condition : "_assuming_" [Condition C]
= <assuming_condition> [Condition C] </>
: =
substance : [Substance S]
= <substance> [Substance S] </>
standard_name : "change_over_time_in_" [standard_name X]
= <change_over_time_in> [standard_name X] </>
standard_name : "convergence_of_" [standard_name X]
= <convergence_of> [standard_name X] </>
standard_name : "horizontal_convergence_of_" [standard_name X]
= <horizontal_convergence_of> [standard_name X] </>
standard_name : "correlation_of_" [standard_name X] "_and_" [standard_name Y]
= <correlation_of> [standard_name X] [standard_name Y] </>
standard_name : "correlation_of_" [standard_name X] "_and_" [standard_name Y] "_over_" [standard_name Z]
= <correlation_of> [standard_name X] [standard_name Y] [standard_name Z] </>
standard_name : "covariance_of_" [standard_name X] "_and_" [standard_name Y]
= <covariance_of_> [standard_name X] [standard_name Y] </>
standard_name : "covariance_of_" [standard_name X] "_and_" [standard_name Y] "_over_" [standard_name Z]
= <covariance_of_> [standard_name X] [standard_name Y] [standard_name Z] </>
standard_name : [Direction D] "_derivative_of_" [standard_name X]
= <derivative_of> [Direction D] [standard_name X] </>
standard_name : "derivative_of_" [standard_name X] "_wrt_" [standard_name Y]
= <derivative_of> [standard_name X] [standard_name Y] </>
standard_name : "direction_of_" [standard_name X]
= <direction_of> [standard_name X] </>
standard_name : "divergence_of_" [standard_name X]
= <divergence_of> [standard_name X] </>
standard_name : "horizontal_divergence_of_" [standard_name X]
= <horizontal_divergence_of> [standard_name X] </>
standard_name : "histogram_of_" [standard_name X]
= <histogram_of> [standard_name X] </>
standard_name : "histogram_of_" [standard_name X] "_over_" [standard_name Y]
= <histogram_of> [standard_name X] [standard_name Y]</>
standard_name : "integral_of_" [standard_name X] "_wrt_" [standard_name Y]
= <integral_of> [standard_name X] [standard_name Y]</>
/* I'm really uncomfortable handling standard functions (integral, ln, log10) like this.
Given that we are now moving into MathML territory, why not just include MathML?
*/
standard_name : "ln_" [standard_name X]
= <ln> [standard_name X] </>
standard_name : "log10_" [standard_name X]
= <log10> [standard_name X] </>
standard_name : "magnitude_of_" [standard_name X]
= <magnitude_of> [standard_name X] </>
standard_name : "probability_distribution_of_" [standard_name X]
= <probability_distribution_of> [standard_name X] </>
standard_name : "probability_distribution_of_" [standard_name X] "_over_" [standard_name Z]
= <probability_distribution_of> [standard_name X] [standard_name Z] </>
standard_name : "probability_distribution_function_of_" [standard_name X]
= <probability_distribution_function_of> [standard_name X] </>
standard_name : "probability_distribution_function_of_" [standard_name X] "_over_" [standard_name Z]
= <probability_distribution_function_of> [standard_name X] [standard_name Z] </>
standard_name : "product_of_" [standard_name X] "_and_" [standard_name Y]
= <product_of> [standard_name X] [standard_name Y] </>
standard_name : "ratio_of_" [standard_name X] "_to_" [standard_name Y]
= <ratio_of> [standard_name X] [standard_name Y] </>
standard_name : "square_of_" [standard_name X]
= <square_of> [standard_name X] </>
standard_name : "tendency_of_" [standard_name X]
= <tendency_of> [standard_name X] </>
/* Hand-crafted rules */
standard_name : "mass_concentration_of_" [substance S] [in_medium M]
= <mass_concentration_of> [substance S] [in_medium M] </>
standard_name : "mass_fraction_of_" [substance S] [in_medium M]
= <mass_fraction_of> [substance S] [in_medium M] </>
/* This is a quick fix to get things up and running! */
standard_name : [BaseName BN]
= <basename> [BaseName BN] </>