<?xml version="1.0" encoding="UTF-8" ?> <PropertyList> <model> <path>windsock-default-lit.xml</path> <condition> <not> <property>/sim/rendering/shaders/skydome</property> </not> </condition> </model> <model> <path>windsock-ALS.xml</path> <condition> <property>/sim/rendering/shaders/skydome</property> </condition> </model> </PropertyList>