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Description
We should develop a set of canonical grid files and definitions. We currently have our project grids defined in terms of a CRS and extent, e.g.
Lines 27 to 49 in 9337820
| def albers_conus_extent(): | |
| return "-2493045.0 177285.0 2342655.0 3310005.0" | |
| def albers_conus_crs(): | |
| return ( | |
| 'PROJCS["Albers_Conical_Equal_Area",' | |
| 'GEOGCS["WGS 84",DATUM["WGS_1984",' | |
| 'SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],' | |
| "TOWGS84[0,0,0,-0,-0,-0,0]," | |
| 'AUTHORITY["EPSG","6326"]],' | |
| 'PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],' | |
| 'UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],' | |
| 'AUTHORITY["EPSG","4326"]],' | |
| 'PROJECTION["Albers_Conic_Equal_Area"],' | |
| 'PARAMETER["standard_parallel_1",29.5],' | |
| 'PARAMETER["standard_parallel_2",45.5],' | |
| 'PARAMETER["latitude_of_center",23],' | |
| 'PARAMETER["longitude_of_center",-96],' | |
| 'PARAMETER["false_easting",0],' | |
| 'PARAMETER["false_northing",0],' | |
| 'UNIT["meters",1]]' | |
| ) |
These should remain the reference definitions but should be accompanied by "grid files" that include the following parameters:
- cell centroids
- cell boundaries
- land / ocean mask
- cell elevation
- cell area
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