#include	"defs.h"


/* scan all nets and draw airline map */

amap(cptr)
	CHP cptr;
{
	REG PIN pptr, pp;
	PIN fstpin, lstpin, headpin;
	DL1 p;

	if (tflag) return;
	if (cptr == 0)
	{
		fstpin = nets;
		lstpin = Enets;
	}
	else	{
		fstpin = cptr->pins;
		lstpin = &cptr->pins[cptr->siz];
	}
	style(3, 0, 0);
	for (pptr = fstpin; pptr < lstpin; pptr++)
	{
		if (HEAD(pptr)) pp = pptr;
		else if (cptr == 0) continue;
		else for (pp = CHAIN(pptr); pp != pptr; pp = CHAIN(pp))
			if (HEAD(pp)) break;
		headpin = pp;
		mode(GRAPH);
		do	{
			if ((pp->x & UNPLAC) == 0)
			{
				p->x = (pp->x * xymul) + xoff;
				p->y = (pp->y * xymul) + yoff;
				vector(p);
			}
			pp = CHAIN(pp);
		} 
		while (pp != headpin);
	}
	full();
}