digraph "DrvGeom"
{
 // LATEX_PDF_SIZE
  edge [fontname="Helvetica",fontsize="10",labelfontname="Helvetica",labelfontsize="10"];
  node [fontname="Helvetica",fontsize="10",shape=record];
  Node1 [label="{DrvGeom\n|+ heads\l+ spt\l+ tracks\l|}",height=0.2,width=0.4,color="black", fillcolor="grey75", style="filled", fontcolor="black",tooltip=" "];
}