settings.set_value("polygon.layer_plant",get_layer_plant_flag()?"1":"0");
settings.set_value("polygon.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
settings.set_value("polygon.feather",strprintf("%f",get_feather()));
settings.set_value("polygon.layer_plant",get_layer_plant_flag()?"1":"0");
settings.set_value("polygon.layer_link_origins",get_layer_link_origins_flag()?"1":"0");
settings.set_value("polygon.feather",strprintf("%f",get_feather()));