/*
ufh script to inject dead traces after trace 56 and trace 146 (original
numbering)
*/

func Begin()
{
}

func OnLineHeader()
{

	TraceLength = LH.NumSmp;  /* store number samples per trace */
	RecLength   = LH.NumTrc;  /* store number traces per record */
	output(LH);               /* output line header unchanged   */
}
 
func OnTrace()                    /* operate on each trace sequentially */
{
        if(Tr.TrcNum < 56){       /* do nothing to first 55 traces */
		output(Tr);
	}
	else if(Tr.TrcNum == 56){             /* first key trace */
		output(Tr);                   /* output it unchanged */
		for(i=0;i<TraceLength;++i){   /* zero its time series */
			Tr.Series[i]=0.0;
		}
		Tr.TrcNum = 57;               /* it will be our new trc 57 */
		Tr.StaCor = 30000;            /* call it dead */
		output(Tr);                   /* output dead trc 57 */
	}
	else if(Tr.TrcNum > 56 && Tr.TrcNum < 145){  /* do nothing to next trcs */
		Tr.TrcNum = Tr.TrcNum + 1;   /* since we've injected 1 trc */
		output(Tr);
	}
	else if(Tr.TrcNum == 145){
		Tr.TrcNum = Tr.TrcNum + 1;
		output(Tr);
		for(i=0;i<TraceLength;++i){
			Tr.Series[i]=0.0;
		}
		Tr.TrcNum = 147;
		Tr.StaCor = 30000;
		output(Tr);
	}
	else if(Tr.TrcNum > 145 && Tr.TrcNum < RecLength-1){
		Tr.TrcNum = Tr.trcNum + 2;
		output(Tr);
	}
		
	
}
func End(){
}