[netcdfgroup] Relate coordinates to pixel corners

• To: netcdfgroup@xxxxxxxxxxxxxxxx
• Subject: [netcdfgroup] Relate coordinates to pixel corners
• From: Maik Riechert <maik.riechert@xxxxxxxx>
• Date: Fri, 09 May 2014 17:21:24 +0200

Hi,

my data is as follows:

netcdf test {
dimensions:
    time = 1 ;
    y_pixel = 2832 ;
    x_pixel = 4256 ;
    y_corner = 2833 ;
    x_corner = 4257 ;
    channel = 3 ;
variables:
    double time(time) ;
        time:units = "seconds since 1970-01-01 00:00:00" ;
        time:calendar = "gregorian" ;
        time:standard_name = "time" ;
        time:long_name =  ;
        time:comment =  ;
    double lat(time, y_corner, x_corner) ;
        lat:units = "degrees_north" ;
        lat:valid_min = -90. ;
        lat:valid_max = 90. ;
        lat:standard_name = "latitude" ;
        lat:long_name = "Latitude of pixel corner" ;
        lat:comment = "Geodetic latitude" ;
        lat:grid_mapping = "crs" ;
    double lon(time, y_corner, x_corner) ;
        lon:units = "degrees_east" ;
        lon:valid_min = -180. ;
        lon:valid_max = 180. ;
        lon:standard_name = "longitude" ;
        lon:long_name = "Longitude of pixel corner" ;
        lon:grid_mapping = "crs" ;
    ubyte img(time, y_pixel, x_pixel, channel) ;
        img:units = "unitless" ;
        img:valid_min = 0 ;
        img:valid_max = 255 ;
        img:long_name =  ;
        img:comment = "channel order: RGB" ;
        img:coordinates = "lat lon" ;
    byte crs ;
        crs:grid_mapping_name = "latitude_longitude" ;
        crs:semi_major_axis = 6378137. ;
        crs:inverse_flattening = 298.257223563 ;
        crs:comment = "Geographic Coordinate System, WGS 84" ;
}

Cheers
Maik