the relative filename of the bitmap used to draw the node as icon. The file must be in X-Window bitmap format (.xbm). Absolute filenames are not allowed as a value. daVinci is looking for the file in all directories given by environment variable $DAVINCI_ICONDIR

XML Source

<source>Linux Counter</source>

Graphotron Source

<graphotron xmlns:daVinci="http://zvon.org/graphotron/daVinci" xmlns="http://zvon.org/graphotron" >
     <vertex match="/*">
          <name select="."/>
          <daVinci:_GO>icon</daVinci:_GO>
          <daVinci:ICONFILE>linuxcounter.xbm</daVinci:ICONFILE>
     </vertex>
</graphotron>