<?xml version="1.0"?> <!-- General settings for all North Atlantic (Faroe, Shetland, Greenland,...) materials --> <PropertyList> <!-- Define the islands as a box with given latitude/longitude --> <condition> <and> <equals> <property>sim/startup/season</property> <value>summer</value> </equals> <and> <greater-than> <property>position/longitude-deg</property> <value>-60.0</value> </greater-than> <less-than> <property>position/longitude-deg</property> <value>0.0</value> </less-than> <greater-than> <property>position/latitude-deg</property> <value>55.0</value> </greater-than> <less-than> <property>position/latitude-deg</property> <value>85.0</value> </less-than> </and> </and> </condition> </PropertyList>