func Begin(){
count = 0;
}

func OnLineHeader(){
}

func OnTrace(){
if ( Tr.StaCor != 30000 ) {

 count = count + 1;

 if ( count == 1 ) {
	sxmax = Tr.SrPtXC;
	sxmin = Tr.SrPtXC;
	symax = Tr.SrPtYC;
	symin = Tr.SrPtYC;
	rxmax = Tr.RcPtXC;
	rxmin = Tr.RcPtXC;
	rymax = Tr.RcPtYC;
	rymin = Tr.RcPtYC;
 }

 if ( Tr.SrPtXC > sxmax ){sxmax =  Tr.SrPtXC;}
 if ( Tr.SrPtXC < sxmin ){sxmin =  Tr.SrPtXC;}
 if ( Tr.SrPtYC > symax ){symax =  Tr.SrPtYC;}
 if ( Tr.SrPtYC < symin ){symin =  Tr.SrPtYC;}
 if ( Tr.RcPtXC > rxmax ){rxmax =  Tr.RcPtXC;}
 if ( Tr.RcPtXC < rxmin ){rxmin =  Tr.RcPtXC;}
 if ( Tr.RcPtYC > rymax ){rymax =  Tr.RcPtYC;}
 if ( Tr.RcPtYC < rymin ){rymin =  Tr.RcPtYC;}

 Tr.SrRcMX = ( Tr.SrPtXC + Tr.RcPtXC ) / 2;
 Tr.SrRcMY = ( Tr.SrPtYC + Tr.RcPtYC ) / 2;

 if ( count == 1 ){
	mxmax = Tr.SrRcMX;
	mxmin = Tr.SrRcMX;
	mymax = Tr.SrRcMY;
	mymin = Tr.SrRcMY;
 }

 if ( Tr.SrRcMX > mxmax ){mxmax =  Tr.SrRcMX;}
 if ( Tr.SrRcMX < mxmin ){mxmin =  Tr.SrRcMX;}
 if ( Tr.SrRcMY > mymax ){mymax =  Tr.SrRcMY;}
 if ( Tr.SrRcMY < mymin ){mymin =  Tr.SrRcMY;}
}
}

func End(){
 print(" Source Coordinates \n");
 print(" Minimum Source X Coordinate = ",sxmin,"\n");
 print(" Maximum Source X Coordinate = ",sxmax,"\n");
 print(" Minimum Source Y Coordinate = ",symin,"\n");
 print(" Maximum Source Y Coordinate = ",symax,"\n\n");
 print(" Receiver Coordinates \n");
 print(" Minimum Receiver X Coordinate = ",rxmin,"\n");
 print(" Maximum Receiver X Coordinate = ",rxmax,"\n");
 print(" Minimum Receiver Y Coordinate = ",rymin,"\n");
 print(" Maximum Receiver Y Coordinate = ",rymax,"\n\n");
 print(" Mid-Point Coordinates \n");
 print(" Minimum Mid-Point X Coordinate = ",mxmin,"\n");
 print(" Maximum Mid-Point X Coordinate = ",mxmax,"\n");
 print(" Minimum Mid-Point Y Coordinate = ",mymin,"\n");
 print(" Maximum Mid-Point Y Coordinate = ",mymax,"\n\n");
 print(" Total Live Traces = ",count,"\n");
}