<Blackspots>
<Blackspot X="-3517.482" Y="3576.992" Z="277.5767" Radius="10" />
<Blackspot X="-3657.943" Y="3703.881" Z="280.5849" Radius="25" />
<Blackspot X="-3834.783" Y="3732.12" Z="286.108" Radius="15" />
<Blackspot X="-4075.259" Y="3359.212" Z="285.3843" Radius="15" Height="15" />
<Blackspot X="-3684.854" Y="3336.164" Z="285.0022" Radius="10.5" Height="25" />
</Blackspots>
类似这样的,要开始和结束区段