/usr/share/metview/etc/MThermoRules 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 | %if GRAPH_LINE <> ON %then
%unset GRAPH_LINE_COLOUR
%unset GRAPH_LINE_STYLE
%unset GRAPH_LINE_THICKNESS
|