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The NRT Spatial Data Format extends the NRT Data Format with a geometry column. It is used to create the possibilty to describe both, simple and complex geometries for visualisation products.
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o2a.GeoCSV Format version 1
Format version 1 is not yet proofed. It is basically a GeoCSV using the WKT notation.
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o2a.GeoCSV Example
datetime vessel:polarstern:mins:latitude [deg] vessel:polarstern:mins:longitude [deg] vessel:polarstern:tsk1:salinity [psu] vessel:polarstern:geometry [point]2019-02-28 15:50:00.000 34.03449 -14.17956 34.1234 POINT(34.03449 -14.17956)2019-02-28 15:50:01.000 34.03449 -14.17956 34.1345 POINT(34.03449 -14.17956)2019-02-28 15:50:02.000 34.03449 -14.17956 34.1456 POINT(34.03449 -14.17956)
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For complete description see 'Format' in NRT Data Format Version 2.
| What | How |
|---|---|
| Geometry Header - Units | The 'unit' in square brackets '[ ]' is used for describing the geometry type. If empty 'point' is the default. If no 'datetime' the row will be deleted.
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Tasks
What is with DOI based data?
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o2a.GeoTiff Format version 1
Format version 1 is not yet proofed. An GeoTiff with defined metadata tags. The advantage is to store the SensorURN and/or DOI and/or additional metadata tags in
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o2a.GeoTiff Example
Driver: GTiff/GeoTIFF
Files: ../Downloads/SeaIceRgb.tiff
Size is 1170, 385
Coordinate System is:
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,
AUTHORITY["EPSG","7030"]],
AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0],
UNIT["degree",0.0174532925199433],
AUTHORITY["EPSG","4326"]]
Origin = (55.375000000188301,87.291666666664497)
Pixel Size = (0.041666666666700,-0.041666666666700)
Metadata:
AREA_OR_POINT=Area
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Format version 1 is not yet proofed.
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o2a.NetCDF Example
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