bitmap file with the image of the icon need to be specified with ICONFILE

XML Source

<source>
     <box/>
     <circle/>
     <ellipse/>
     <rhombus/>
     <triangle/>
     <text/>
     <invisible/>
</source>

Graphotron Source

<graphotron xmlns:daVinci="http://zvon.org/graphotron/daVinci" xmlns="http://zvon.org/graphotron" >
     <vertex match="/*/box">
          <name select="name()"/>
          <daVinci:_GO>box</daVinci:_GO>
     </vertex>
     <vertex match="/*/circle">
          <name select="name()"/>
          <daVinci:_GO>circle</daVinci:_GO>
     </vertex>
     <vertex match="/*/ellipse">
          <name select="name()"/>
          <daVinci:_GO>ellipse</daVinci:_GO>
     </vertex>
     <vertex match="/*/rhombus">
          <name select="name()"/>
          <daVinci:_GO>rhombus</daVinci:_GO>
     </vertex>
     <vertex match="/*/triangle">
          <name select="name()"/>
          <daVinci:_GO>triangle</daVinci:_GO>
     </vertex>
     <vertex match="/*/text">
          <name select="name()"/>
          <daVinci:_GO>text</daVinci:_GO>
     </vertex>
     <vertex match="/*/invisible">
          <name select="name()"/>
          <daVinci:_GO>invisible</daVinci:_GO>
     </vertex>
</graphotron>