fgdata/Aircraft/c172p/Models/Interior/Panel/Instruments/mag-compass/mag-compass.xml

<?xml version="1.0"?>

<PropertyList>

    <path>mag-compass.ac</path>

    <effect>
        <inherits-from>../../../../Effects/interior/c172p-interior-radiance</inherits-from>
        <object-name>Ring</object-name>
        <object-name>Casing</object-name>
    </effect>

    <animation>
        <type>rotate</type>
        <object-name>Ring</object-name>
        <property>/instrumentation/magnetic-compass/indicated-heading-deg</property>
        <axis>
            <x>0.0</x>
            <y>0.0</y>
            <z>1.0</z>
        </axis>
    </animation>

    <animation>
        <!-- <type>material</type> set this if you do NOT want a tooltip -->
        <type>pick</type>
        <object-name>Ring</object-name>
        <emission>
            <red>1.0</red>
            <green>0.2</green>
            <blue>0.0</blue>
            <factor-prop>/sim/model//material/instruments/factor</factor-prop>
        </emission>
        <hovered>
            <binding>
                <command>set-tooltip</command>
                <tooltip-id>magnetcompass</tooltip-id>
                <label>Magnetic heading: %3d</label>
                <property>instrumentation/magnetic-compass/indicated-heading-deg</property>
                <mapping>heading</mapping>
            </binding>
        </hovered>
    </animation>

</PropertyList>