<GroundCover name="Trees">
    <lod>13</lod>
    <cast_shadows>true</cast_shadows>
    <zones>
        <zone name="default">
            <groundcover>
                <max_distance>7300</max_distance>
                <spacing>12</spacing>
                <fill>0.60</fill>
                <brightness>2.0</brightness>
                <contrast>0.5</contrast>
                <biomes>
                    <biome classes="forest">
                        <billboard url="../data/splat/cypress.png" width="12.0" height="14.0"/>
                        <billboard url="../data/splat/pine.png"    width="16.0" height="22.0" />
                        <billboard url="../data/splat/pine2.png"   width="15.0" height="18.0"/>
                    </biome>
                </biomes>
            </groundcover>
        </zone>
    </zones>
</GroundCover>