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FYI, a change request for generalized CRSs has been brought into the CRS group by us WCS folks. The CRS group is contemplating on this. Maybe expressing a need in CRSs that can do the tricks listed below (and more) might help to speed up the decision process. Chair of the CRS group is Roel Nicolai as per CRS web page, but Arliss Whiteside (originator of the change requests) certainly will forward requirements statements as well. -Peter Aaron Braeckel wrote:
I brought up this issue to the Coverages WG in St Louis when I co-presented with Ben. I was told that the CRS variability was resolved with parameterized CRSs via URN. I also brought up the issue of pressure levels, and it sounded like pressure levels were representable as well. I also have a note about ISO 19133 and Linear Coordinate Reference Systems, which is probably in reference to the representation of pressure levels. I believe George Percivall and Carl Reed answered these questions, sothey may be worth contacting for further information.Aaron
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