GD::Graph::Map::level_angle() called too early to check prototype at
 /usr/local/lib/perl5/site_perl/5.6.1/GD/Graph/Map.pm line 366.
 
 GD::Graph::Map::level_angle() called too early to check prototype at
 /usr/local/lib/perl5/site_perl/5.6.1/GD/Graph/Map.pm line 367.