public void drawLine$($Graphics$2$D g$2$d$,$ Node$2$D parent, Color color, int lineWidth$)\{$

GeneralPath path $=$ new GeneralPath$()$;

int counter $=0$;

for$($int i $=0$; i $$ graph.getDataSize$(0)$; i$++)\{$

double xcl $=$ parent.transformX$($graph$.$getDataX$($i$))$;

double ycl $=$ parent.transformY$($graph$.$getDataY$($i$))$;

if$($i$==0)\{$

path.moveTo$($xcl$,$ ycl$)$;

$\}$ else $\{$ path.lineTo$($xcl$,$ ycl$)$;$\}$

$\}$

g$2$d$.$setColor$($color$)$;

g$2$d$.$setStroke$($new BasicStroke$($lineWidth$))$;

g$2$d$.$draw$($path$)$;

$\}$