%if MAP_PROJECTION <> POLAR_STEREOGRAPHIC %then
    %unset MAP_HEMISPHERE
    %unset MAP_CENTRE_LATITUDE
    %unset MAP_CENTRE_LONGITUDE
    %unset MAP_SCALE

%if MAP_PROJECTION <> POLAR_STEREOGRAPHIC %and MAP_PROJECTION <> GEOS 
    %and MAP_PROJECTION <> POLAR_NORTH %and MAP_PROJECTION <> POLAR_SOUTH %then
    %unset MAP_VERTICAL_LONGITUDE

%if MAP_PROJECTION <> TPERS %then
    %unset MAP_PROJECTION_HEIGHT
    %unset MAP_PROJECTION_TILT
    %unset MAP_PROJECTION_AZIMUTH
    %unset MAP_PROJECTION_VIEW_LATITUDE
    %unset MAP_PROJECTION_VIEW_LONGITUDE

%if MAP_AREA_DEFINITION <> CENTRE %then
    %unset MAP_CENTRE_LATITUDE
    %unset MAP_CENTRE_LONGITUDE
    %unset MAP_SCALE
   
%if MAP_AREA_DEFINITION = CENTRE %and MAP_PROJECTION <> POLAR_STEREOGRAPHIC %then
    %unset MAP_HEMISPHERE
    %unset MAP_VERTICAL_LONGITUDE
    %unset MAP_CENTRE_LATITUDE
    %unset MAP_CENTRE_LONGITUDE
    %unset MAP_SCALE
    %unset MAP_PROJECTION_HEIGHT
    %unset MAP_PROJECTION_TILT
    %unset MAP_PROJECTION_AZIMUTH
    %unset MAP_PROJECTION_VIEW_LATITUDE
    %unset MAP_PROJECTION_VIEW_LONGITUDE
    %unset COORDINATES_SYSTEM

%if MAP_AREA_DEFINITION <> CORNERS  %then
    %unset AREA
    %unset MAP_COORDINATES_SYSTEM

%if SUBPAGE_METADATA_INFO = OFF %then
    %unset SUBPAGE_METADATA_JAVASCRIPT_PATH

%if AREA_MODE = NAME %then
    %unset MAP_PROJECTION
    %unset MAP_AREA_DEFINITION
    %unset AREA
    %unset MAP_HEMISPHERE
    %unset MAP_VERTICAL_LONGITUDE
    %unset MAP_CENTRE_LATITUDE
    %unset MAP_CENTRE_LONGITUDE
    %unset MAP_SCALE
    %unset MAP_PROJECTION_HEIGHT
    %unset MAP_PROJECTION_TILT
    %unset MAP_PROJECTION_AZIMUTH
    %unset MAP_PROJECTION_VIEW_LATITUDE
    %unset MAP_PROJECTION_VIEW_LONGITUDE
    %unset COORDINATES_SYSTEM

%if AREA_MODE = USER %then
    %unset AREA_NAME

%include PageFrameRules
%include SubpageFrameRules
