Dear CF,
Suppose I have a data variable with lat and lon coordinate variables, and also a geometry attribute pointing to a geometry container. My geometries are watershed boundaries and their node coordinates are with respect to a projected coordinate system. Chapter 7 in CF 1.8 says, "The grid_mapping and coordinates attributes can be carried by the geometry container variable provided they are also carried by the data variables associated with the container." Am I allowed to have a grid_mapping attribute on my geometry container that names a different variable than the grid_mapping attribute on the data variable? As in:
geometry_container:grid_mapping = "projected_coordinate_system_variable"
data_variable:grid_mapping = "geographic_coordinate_system_variable"
Thanks,
Tim Whiteaker
Research Scientist
The University of Texas at Austin
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Received on Fri Feb 01 2019 - 15:17:15 GMT
