On Nov 20, 2012, at 9:34 AM, Aleksandar Jelenak - NOAA Affiliate wrote: > [snip] > > 10) platform_azimuth_angle > > "platform" refers to the vehicle from which observations are made e.g. > airplane, ship, or satellite. Platform azimuth angle is the horizontal > angle between the line of sight from the observation point to the > platform and a reference direction at the observation point, which is > often due north. The angle is measured clockwise starting from the > reference direction. > > Units: degree > > 11) sensor_azimuth_angle > > The horizontal angle between the line of sight from the observation > point to the sensor and a reference direction at the observation > point, which is often due north. The angle is measured clockwise > starting from the reference direction. > > Units: degree
Regarding the "which is often due north" language, if you measure azimuth angle from due south, how should this communicated in the file? A comment? Or should the definition force the use of due north for this standard name? Cheers, -Corey -- Corey Bettenhausen Science Systems and Applications, Inc NASA Goddard Space Flight Center 301 614 5383 [email protected] _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
