Spatial Object Types derived from the Use Cases.

Several types of spatial object were identified in the 11 Use Cases. The left hand side of this table shows which object types exist in which use cases. The right hand side shows how the object types might be mapped to known information types in existing data models or application schemas.

  • CDM = Unidata Common Data Model
  • CSML = Climate Science Modelling Language - CSML version 3 Poster showing O&M and CDM links
  • AIXM = Aeronautical Information Exchange Model
  • WOML = Weather Objects Modelling Language
  • WXXM = Weather information Exchange Model

Information types Future Aviation Current Aviation Severe Weather Hurricane Winter Highway India Agri. Sub Sahara Emergency Response Polar Year Model Steering Flood Forecast Data Models ...
1 2 3 4 5 6 7 8 9 10 11 CDM CSML WOML WXXM AIXM
Surface obs:station, buoy, road sensor x x x   x     x       Point StationTimeSeries Point PointSeries   Point PointSeries SurfaceReport  
Area forecasts (e.g.AIRMETs, SIGMETs) x x                       WeatherForecast (with any gml:Feature derived objects as collection members) AreaForecast  
Aerial Observations x x x                       AerialReport, same as CSML/coverages  
Radar Imagery x x x x x     x       RadialSweep ScanningRadar   same as CSML/coverages  
Satellite Data x x x         x       Swath, Grid Swath, Grid   same as CSML/coverages  
Dropsondes     x                 Profile Profile   same as CSML/coverages  
Model data(wind, temp, RH etc) x x   x               Grid GridSeries   same as CSML/coverages  
Other Gridded products* x x x x x     x       Grid Grid, GridSeries   same as CSML/coverages  
Alerts & reports x x x   x                   none  
Sensible Weather Objects (dynamic)     x                     ColdFront WarmFront OccludedFront Jet Trough UpperTrough CloudArea SurfacePrecipitationArea TextForecastArea Contour  
Point-based probability distribution       x               Point, Grid? Point/Grid?   same as CSML/coverages  
Probabilistic hurricane track       x               Trajectory (many) Trajectory (many)   same as CSML/coverages  
Images of storm inundation       x                     none  
Road surface modelling         x                   none  
Road surface thermal mapping         x                   none  
Routes (road segment geometries)         x                   PointSeries?  
Verification statistics         x                   probabilities?  
Licensing conditions         x                   none  
Lightning Imagery               x             none  

*Gridded products mentioned = turbulence, icing, ceiling, convection etc. Data assimilation, simulations or statistical processes.

-- DominicLowe - 25 May 2010
Topic revision: r5 - 30 Jun 2010, DominicLowe
 

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