<map id="WriterRootTree" name="WriterRootTree">
<area shape="rect" id="Node000001" title="GenEvent I/O serialization for root files based on root TTree." alt="" coords="22,78,131,103"/>
<area shape="rect" id="Node000003" href="$classHepMC3_1_1WriterRootTreeOPAL.html" title="GenEvent I/O output to files similar to these produced by OPAL software." alt="" coords="5,151,148,175"/>
<area shape="poly" id="edge2_Node000001_Node000003" title=" " alt="" coords="78,117,79,151,74,149,75,120"/>
<area shape="rect" id="Node000002" href="$classHepMC3_1_1Writer.html" title="Base class for all I/O writers." alt="" coords="49,5,104,30"/>
<area shape="poly" id="edge1_Node000001_Node000002" title=" " alt="" coords="78,43,79,78,74,77,75,48"/>
</map>
