/usr/share/metview/etc/GeoViewRules is in metview-data 4.8.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | %if MAP_PROJECTION <> POLAR_STEREOGRAPHIC %then
    %unset MAP_HEMISPHERE
%if MAP_PROJECTION <> POLAR_STEREOGRAPHIC %and MAP_PROJECTION <> GEOS %then
    %unset MAP_VERTICAL_LONGITUDE
%if MAP_AREA_DEFINITION <> CENTRE %then
    %unset MAP_CENTRE_LATITUDE
    %unset MAP_CENTRE_LONGITUDE
    %unset MAP_SCALE
   
%if MAP_AREA_DEFINITION <> CORNERS  %then
    %unset AREA
%if SUBPAGE_METADATA_INFO = OFF %then
    %unset SUBPAGE_METADATA_JAVASCRIPT_PATH
%include PageFrameRules
%include SubpageFrameRules
 |