John: geostationary projection and vertical perspective projections are not the same.
an example of a vertical projection image is one taken by a camera in space, which is not necessarily at the equator, and the data for the entire image is observed using a single exposure. the geostationary projection is that associated with scanning imagers from geostationary orbit where each image pixel covers a fixed number of radians/degrees in east/west and north/south relative to the camera’s aperture. very respectfully, randy On Nov 18, 2014, at 3:19 PM, John Caron <ca...@ucar.edu> wrote: > CF TRAC ticket 72 defines "geostationary projection", accepted for 1.7. > > 1) I _think_ that "Vertical Perspective" is an earlier version of this, and > it should be deprecated in favor of "geostationary". Does anyone have a > different opinion? > > 2) The draft 1.7 does not yet include it, so its been hard to refer users to > it. > > http://cfconventions.org/Data/cf-conventions/cf-conventions-1.7/build/cf-conventions.html#appendix-grid-mappings > _______________________________________________ > CF-metadata mailing list > CF-metadata@cgd.ucar.edu > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata ____________________________________ Randy C. Horne (rho...@excaliburlabs.com) Principal Engineer, Excalibur Laboratories Inc. voice & fax: (321) 952.5100 url: http://www.excaliburlabs.com
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