Ejemplo n.º 1
0
/* vertical error bar */
static void _pgerry (double *len)
{
   SLang_Array_Type *x, *y_1, *y_2;

   if (-1 == pop_three_float_vectors (&x, &y_1, &y_2))
     return;

   cpgerry ((int) x->num_elements, (float*)x->data,
            (float*)y_1->data, (float *)y_2->data, (float) *len);

   free_arrays (x, y_1, y_2, NULL);
}
Ejemplo n.º 2
0
// Main code
int main()
{
  /**** Count to 10 in integers ****/

  // Declare integer for loop counting
  int i;

  // Loop from 0 to 10, printing at each step
  for(i=0; i<10; i++)
  {
    printf("i= %d\n", i);
  }

  /**** Plot a function y=f(x) ****/

  // Declare arrays of N real numbers
  float ax[N]; // x
  float ay[N]; // y

  float aylow[N];  // lower error in y
  float ayhigh[N]; // upper error in y

  // Set minimum and maximum for x
  float xmin = 0.0;
  float xmax = 10.0;

  // Assigning ax with N values for x between xmin and xmax
  for(i=0;i<N;i++)
  {
    ax[i] = xmin + (xmax-xmin)*(float)i/(float)(N-1);
  }

  // Fill ay using function fy
  for(i=0;i<N;i++)
  {
    ay[i] = fy(ax[i]);
  }

  // Fill aylow and ayhigh using sqrt(y) as the error
  for(i=0;i<N;i++)
  {
    aylow[i]  = ay[i] - sqrt(ay[i]);
    ayhigh[i] = ay[i] + sqrt(ay[i]);
  }

  /**** Use pgplot to plot this function ****/

  // cpgbeg starts a plotting page, in this case with 2x1 panels
  cpgbeg(0,"?",2,1);

  // sets colour: 1-black, 2-red, 3-green, 4-blue
  cpgsci(1);

  // sets line style: 1-solid, 2-dashed, 3-dot-dashed, 4-dotted
  cpgsls(1);

  // sets charachter height, larger number = bigger
  cpgsch(2.);

  // cpgpage() moves to the next panel
  cpgpage();

  // sets the axes limits in the panel
  cpgswin(xmin,xmax,0.,100.);

  // draw the axes
  cpgbox("BCNST", 0.0, 0, "BCNST", 0.0, 0);

  // label the bottom axis
  cpgmtxt("B",2.,.5,.5,"x");
  // label the left axis
  cpgmtxt("L",2.5,.5,.5,"f");

  // connect N points in ax and ay with a line
  cpgline(N,ax,ay);

  // cpgpage() moves to the next panel
  cpgpage();

  // sets the axes limits in the panel
  cpgswin(xmin,xmax,0.,100.);

  // draw the axes
  cpgbox("BCNST", 0.0, 0, "BCNST", 0.0, 0);

  // label the bottom axis
  cpgmtxt("B",2.,.5,.5,"x");
  // label the left axis
  cpgmtxt("L",2.5,.5,.5,"f");

  // draw N points in ax and ay
  //   17 - filled circles, 16 - filled squares, 13 - filled triangles
  cpgpt(N,ax,ay,17);

  // draw y error bars on the points
  cpgerry(N,ax,aylow,ayhigh,1.0);

  // close all pgplot applications
  cpgend();

  // end program
  return 0;
}
Ejemplo n.º 3
0
void doPlot(pulsar *psr,int npsr,float *scale,int nScale,char *grDev,int plotUs,float fontSize,float centreMJD,int ptStyle,float ptSize,int error,float minyv,float maxyv,float minxv,float maxxv,int nOverlay,float labelsize,float fracX)
{
  int i,j,fitFlag=2,exitFlag=0,scale1=0,scale2,count[MAX_PSR],p,xautoscale=0,k,graphics=1;
  int yautoscale=0,plotpre=1;
  int ps,pe,pi;
  int time=0;
  char xstr[1000],ystr[1000];
  float px[2],py[2],pye1[2],pye2[2];
  float x[MAX_PSR][MAX_OBSN],y[MAX_PSR][MAX_OBSN],yerr1[MAX_PSR][MAX_OBSN],yerr2[MAX_PSR][MAX_OBSN],tmax,tmin,tmaxy1,tminy1,tmaxy2,tminy2;
  float sminy[MAX_PSR],smaxy[MAX_PSR];
  float minx[MAX_PSR],maxx[MAX_PSR],miny[MAX_PSR],maxy[MAX_PSR],plotx1,plotx2,ploty1,ploty2,mean;
  float fx[2],fy[2];
  float mouseX,mouseY;
  char key;
  //  float widthPap=0.0,aspectPap=0.618;
  float widthPap=0.0,aspectPap=1;
  float xx[MAX_OBSN],yy[MAX_OBSN],yyerr1[MAX_OBSN],yyerr2[MAX_OBSN];
  int num=0,colour;

  /* Obtain a graphical PGPLOT window */
  cpgbeg(0,grDev,1,1);
  //    cpgpap(widthPap,aspectPap);
  cpgsch(fontSize);
  cpgscf(2);
  cpgslw(2);
  cpgask(0);

  for (p=0;p<npsr;p++)
    {
      scale2 = psr[p].nobs;
      
      /*      sprintf(xstr,"MJD-%.1Lf",psr[0].param[param_pepoch].val[0]); */
      if (centreMJD == -1)
	sprintf(xstr,"Year"); 
      else
	sprintf(xstr,"MJD-%.1f",centreMJD); 

      sprintf(ystr,"Residual (\\gmsec)");
      
      count[p]=0;
      printf("points = %d\n",psr[p].nobs);
      for (i=0;i<psr[p].nobs;i++)
	{	  
	  if (psr[p].obsn[i].deleted == 0 &&
	      (psr[p].param[param_start].paramSet[0]!=1 || psr[p].param[param_start].fitFlag[0]!=1 ||
	       psr[p].param[param_start].val[0] < psr[p].obsn[i].bat) &&
	      (psr[p].param[param_finish].paramSet[0]!=1 || psr[p].param[param_finish].fitFlag[0]!=1 ||
	       psr[p].param[param_finish].val[0] > psr[p].obsn[i].bat))
	    {
	      /* x[p][count[p]] = (double)(psr[p].obsn[i].bat-psr[0].param[param_pepoch].val[0]);	     	       */
	      if (centreMJD == -1)
		x[p][count[p]] = calcYr(psr[p].obsn[i].bat);
	      else
		x[p][count[p]] = (double)(psr[p].obsn[i].bat-centreMJD); 
	      y[p][count[p]] = (double)psr[p].obsn[i].residual*1.0e6;
	      if (nScale>0)
		y[p][count[p]] *= scale[p];
	      count[p]++;
	    }
	}
      /* Remove mean from the residuals and calculate error bars */
      mean = findMean(y[p],psr,p,scale1,count[p]);
      count[p]=0;
      for (i=0;i<psr[p].nobs;i++)
	{
	  if (psr[p].obsn[i].deleted==0   &&
	      (psr[p].param[param_start].paramSet[0]!=1 || psr[p].param[param_start].fitFlag[0]!=1 ||
	       psr[p].param[param_start].val[0] < psr[p].obsn[i].bat) &&
	      (psr[p].param[param_finish].paramSet[0]!=1 || psr[p].param[param_finish].fitFlag[0]!=1 ||
	       psr[p].param[param_finish].val[0] > psr[p].obsn[i].bat))
	    {
	      psr[p].obsn[i].residual-=mean/1.0e6;
	      y[p][count[p]]-=mean;
	      yerr1[p][count[p]] = y[p][count[p]]-(float)psr[p].obsn[i].toaErr;
	      yerr2[p][count[p]] = y[p][count[p]]+(float)psr[p].obsn[i].toaErr;
	      count[p]++;
	    }
	}
    	  
      /* Get scaling for graph */
      if (minxv == maxxv) {
	minx[p] = findMin(x[p],psr,p,scale1,count[p]);
	maxx[p] = findMax(x[p],psr,p,scale1,count[p]);
      }
      else {
	minx[p] = minxv;
	maxx[p] = maxxv;
      }
      if (minyv == maxyv){
	miny[p] = findMin(y[p],psr,p,scale1,count[p]);
	maxy[p] = findMax(y[p],psr,p,scale1,count[p]);
      }
      else {
	miny[p] = minyv;
	maxy[p] = maxyv;
      }
      sminy[p] = miny[p]/1e6;
      smaxy[p] = maxy[p]/1e6;
    }
  for (p=0;p<npsr;p++)
    {
      for (i=0;i<count[p];i++)
	{
	  y[p][i] = (y[p][i]-miny[p])/(maxy[p]-miny[p]);
	  yerr1[p][i] = (yerr1[p][i]-miny[p])/(maxy[p]-miny[p]);
	  yerr2[p][i] = (yerr2[p][i]-miny[p])/(maxy[p]-miny[p]);
	}
      //      maxy[p] = 1.0;
      //      miny[p] = 0.0;
    }
  

  tmin = findMinVal(minx,npsr);
  tmax = findMaxVal(maxx,npsr);

  tminy2 = 0.0; //findMinVal(miny,npsr);
  tmaxy2 = 1.0; //findMaxVal(maxy,npsr);

  plotx1 = tmin-(tmax-tmin)*0.1;
  plotx2 = tmax+(tmax-tmin)*0.1;
  
  //  ploty1 = tminy2-(tmaxy2-tminy2)*0.1;
  //  ploty2 = tmaxy2+(tmaxy2-tminy2)*0.1;
	
  ploty1 = 0.1;
  ploty2 = 0.9;

  for (p=0;p<npsr;p++)
    {
      for (i=0;i<count[p];i++)
	{
	  y[p][i]=(p)+ploty1+y[p][i]*(ploty2-ploty1);
	  yerr1[p][i]=(p)+ploty1+yerr1[p][i]*(ploty2-ploty1);
	  yerr2[p][i]=(p)+ploty1+yerr2[p][i]*(ploty2-ploty1);
	}
    } 
  
  printf("ytick = %g\n",ploty2-ploty1);
      /*  cpgenv(plotx1,plotx2,ploty1,ploty2+(ploty2-ploty1)*(npsr-1),0,0); */
  //  cpgenv(plotx1,plotx2,0,npsr+1,0,-1);

  if (labelsize!=-1)
    cpgsch(labelsize);
  cpgsvp(fracX,1.0,0.1,1.0);
  cpgswin(0,1,0,npsr);
  cpgbox("ABC",0.0,0,"C",0.0,0);
  cpgsch(fontSize);
  char str[1000];
  for (p=0;p<npsr;p++)
    {
      cpgsch(fontSize);
      //      cpgtext(tmax+(tmax-tmin)*0.05,p+1.5-0.5,psr[p].name);
      cpgtext(0,p+0.6,psr[p].name);
      //      cpgsch(fontSize);
      if (plotUs==0)
	{
	  sprintf(str,"%.2f",(double)((smaxy[p]-sminy[p])*psr[p].param[param_f].val[0]));
	  cpgtext(0,p+0.4,str);
	  //	  cpgtext(tmax+(tmax-tmin)*0.05,p+1.1-0.5,str);
	}
      else
	{
	  sprintf(str,"%.2f\\gms",(double)((smaxy[p]-sminy[p])/1e-6));
	  //	  cpgtext(tmax+(tmax-tmin)*0.05,p+1.1-0.5,str);
	  cpgtext(0,p+0.1,str);
	}
      cpgsch(1);
      px[0] = 0;
      //      px[1] = tmax; //+(tmax-tmin)*0.03;
	px[1] = 1;
      py[0] = p;
      py[1] = p;
      cpgline(2,px,py);
      
    }
  if (labelsize!=-1)
    cpgsch(labelsize);

  cpgsvp(0.1,fracX,0.1,1.0);
  cpgswin(plotx1,plotx2,0,npsr);
  cpgbox("ATNSBC",0.0,0,"B",0.0,0);
  cpglab(xstr,"","");	    
  cpgsch(fontSize);

  for (p=0;p<npsr;p++)
    {
      cpgsls(1);
      px[0] = plotx1;
      //      px[1] = tmax; //+(tmax-tmin)*0.03;
      px[1] = plotx2;
      py[0] = p;
      py[1] = p;
      cpgline(2,px,py);
      cpgsls(4);
      px[0] = tmin;
      px[1] = tmax+(tmax-tmin)*0.03;

      py[0]=py[1] =(p)+ploty1+(-miny[p]/(maxy[p]-miny[p]))*(ploty2-ploty1);
      //      py[0]=py[1] = (p)+ploty1;
      //      py[0] = py[1] = (0-miny[p])/(maxy[p]-miny[p])/(ploty2-ploty1)+p;
      cpgline(2,px,py);

      px[0] = plotx1+0.005*(plotx2-plotx1);
      py[0] = p;
      pye1[0] = p + 5/(ploty2-ploty1);
      pye2[0] = p - 5/(ploty2-ploty1);
      cpgsls(1);
      cpgsch(3);
      //      cpgerry(1,px,pye1,pye2,1); 
      cpgsch(1);

      for (colour=0;colour<5;colour++)
	{
	  num=0;
	  for (i=0;i<count[p];i++)
	    {
	      if ((colour==0 && psr[p].obsn[i].freq<=500) ||
		  (colour==1 && psr[p].obsn[i].freq>500 && psr[p].obsn[i].freq<=1000) ||
		  (colour==2 && psr[p].obsn[i].freq>1000 && psr[p].obsn[i].freq<=1500) ||
		  (colour==3 && psr[p].obsn[i].freq>1500 && psr[p].obsn[i].freq<=3300) ||
		  (colour==4 && psr[p].obsn[i].freq>3300))
		{
		  xx[num]=x[p][i];
		  yy[num]=y[p][i];
		  yyerr1[num]=yerr1[p][i];
		  yyerr2[num]=yerr2[p][i];
		  //		  printf("plotting: %g\n",yy[num]);

		  num++;
		}
	    }
	  cpgsci(colour+1);
	  cpgsch(ptSize);
	  cpgpt(num,xx,yy,ptStyle);
	  if (error==1)
	    cpgerry(num,xx,yyerr1,yyerr2,1);
	  cpgsch(fontSize);
	  // Plot arrow giving one period
	  fx[0] = fx[1] = tmin-(tmax-tmin)*0.05;
	  //	  fy[0] = (p+1)+0.5-(float)(1.0/psr[p].param[param_f].val[0])/2.0/(ploty2-ploty1);
	  //	  fy[1] = (p+1)+0.5+(float)(1.0/psr[p].param[param_f].val[0])/2.0/(ploty2-ploty1);

	  //	  fy[0] = (-(float)(1.0/psr[p].param[param_f].val[0])/2.0/1.0e6 - miny[p])/(maxy[p]-miny[p])/(ploty2-ploty1) + (p+1)+0.5;
	  //	  fy[1] = ((float)(1.0/psr[p].param[param_f].val[0])/2.0/1.0e6 - miny[p])/(maxy[p]-miny[p])/(ploty2-ploty1) + (p+1)+0.5;
	  fy[0] = (p+1)+0.5+(float)(1.0/psr[p].param[param_f].val[0])/2.0/(maxy[p]-miny[p])*1e6;
	  fy[1] = (p+1)+0.5-(float)(1.0/psr[p].param[param_f].val[0])/2.0/(maxy[p]-miny[p])*1e6;
	  if (fy[0] > (p+1)+1) fy[0] = (p+1)+1;
	  if (fy[1] < (p+1)) fy[1] = (p+1);
	  
	  //	  cpgsls(1); cpgline(2,fx,fy); cpgsls(1);
	}
      cpgsci(1);
    }

  
  cpgend();
}
Ejemplo n.º 4
0
void doPlot(pulsar *psr,int npsr,int overlay)
{
  int i,j,fitFlag=1,exitFlag=0,scale1=0,scale2,count,p,xautoscale=1,k,graphics=1;
  int yautoscale=1,plotpre=1;
  int time=0;
  char xstr[1000],ystr[1000];
  float x[MAX_OBSN],y[MAX_OBSN],yerr1[MAX_OBSN],yerr2[MAX_OBSN],tmax,tmin,tmaxy1,tminy1,tmaxy2,tminy2;
  float minx,maxx,miny,maxy,plotx1,plotx2,ploty1,ploty2,mean;
  float mouseX,mouseY;
  float fontSize=1.8;
  char key;
  float widthPap=0.0,aspectPap=0.618;

  /* Obtain a graphical PGPLOT window */
  if (overlay==1)
    cpgbeg(0,"?",2,1);
  else
    cpgbeg(0,"?",2,npsr);
  cpgpap(widthPap,aspectPap);
  cpgsch(fontSize);
  cpgask(0);

  do {
    for (p=0;p<npsr;p++)
      {
	scale2 = psr[p].nobs;
	for (j=0;j<2;j++)
	  {
	    if (j==0) fitFlag=1;
	    else if (j==1) fitFlag=2;

	    ld_sprintf(xstr,"MJD-%.1Lf",psr[0].param[param_pepoch].val[0]); 
	    sprintf(ystr,"Residual (\\gmsec)");

	    count=0;
	    for (i=0;i<psr[p].nobs;i++)
	      {
		if (psr[p].obsn[i].deleted == 0  &&
	    (psr[p].param[param_start].paramSet[0]!=1 || psr[p].param[param_start].fitFlag[0]!=1 ||
	      psr[p].param[param_start].val[0] < psr[p].obsn[i].bat) &&
	    (psr[p].param[param_finish].paramSet[0]!=1 || psr[p].param[param_finish].fitFlag[0]!=1 ||
	     psr[p].param[param_finish].val[0] > psr[p].obsn[i].bat))
		  {
		    if (xautoscale==1)
		      x[count] = (double)(psr[p].obsn[i].bat-psr[p].param[param_pepoch].val[0]);
		    else
		      x[count] = (double)(psr[p].obsn[i].bat-psr[0].param[param_pepoch].val[0]);
		    
		    if (fitFlag==1)  /* Get pre-fit residual */
		      y[count] = (double)psr[p].obsn[i].prefitResidual*1.0e6;
		    else if (fitFlag==2) /* Post-fit residual */
		      y[count] = (double)psr[p].obsn[i].residual*1.0e6;
		    count++;
		  }
	      }
	    /* Remove mean from the residuals and calculate error bars */
	    mean = findMean(y,psr,p,scale1,count);
	    count=0;
	    for (i=0;i<psr[p].nobs;i++)
	      {
		if (psr[p].obsn[i].deleted==0   &&
	    (psr[p].param[param_start].paramSet[0]!=1 || psr[p].param[param_start].fitFlag[0]!=1 ||
	      psr[p].param[param_start].val[0] < psr[p].obsn[i].bat) &&
	    (psr[p].param[param_finish].paramSet[0]!=1 || psr[p].param[param_finish].fitFlag[0]!=1 ||
	     psr[p].param[param_finish].val[0] > psr[p].obsn[i].bat))
		  {
		    psr[p].obsn[i].residual-=mean/1.0e6;
		    y[count]-=mean;
		    yerr1[count] = y[count]-(float)psr[p].obsn[i].toaErr;
		    yerr2[count] = y[count]+(float)psr[p].obsn[i].toaErr;
		    count++;
		  }
	      }
	    
	    /* Get scaling for graph */
	    minx = findMin(x,psr,p,scale1,count);
	    maxx = findMax(x,psr,p,scale1,count);
	    if (xautoscale==1)
	      {
		plotx1 = minx-(maxx-minx)*0.1;
		plotx2 = maxx+(maxx-minx)*0.1;
	      }
	    else
	      {
		plotx1 = tmin-(tmax-tmin)*0.1;
		plotx2 = tmax+(tmax-tmin)*0.1;
	      }
	    miny = findMin(y,psr,p,scale1,count);
	    maxy = findMax(y,psr,p,scale1,count);

	    if (yautoscale==1)
	      {
		ploty1 = miny-(maxy-miny)*0.1;
		ploty2 = maxy+(maxy-miny)*0.1;
	      }
	    else
	      {
		if (j==0)
		  {
		    ploty1 = tminy1-(tmaxy1-tminy1)*0.1;
		    ploty2 = tmaxy1+(tmaxy1-tminy1)*0.1;
		  }
		else
		  {
		    ploty1 = tminy2-(tmaxy2-tminy2)*0.1;
		    ploty2 = tmaxy2+(tmaxy2-tminy2)*0.1;
		  }
	      }

	    /* Plot the residuals */	    
	    if (plotpre==1 || j!=0)
	      {
		float xx[MAX_OBSN],yy[MAX_OBSN],yyerr1[MAX_OBSN],yyerr2[MAX_OBSN];
		int num=0,colour;
		if (overlay==0 || (overlay==1 && p==0))
		  {
		    cpgenv(plotx1,plotx2,ploty1,ploty2,0,0);
		    cpglab(xstr,ystr,psr[p].name);	    
		  }

		for (colour=0;colour<5;colour++)
		  {
		    num=0;
		    for (i=0;i<count;i++)
		      {
			if ((colour==0 && psr[p].obsn[i].freq<=500) ||
			    (colour==1 && psr[p].obsn[i].freq>500 && psr[p].obsn[i].freq<=1000) ||
			    (colour==2 && psr[p].obsn[i].freq>1000 && psr[p].obsn[i].freq<=1500) ||
			    (colour==3 && psr[p].obsn[i].freq>1500 && psr[p].obsn[i].freq<=3300) ||
			    (colour==4 && psr[p].obsn[i].freq>3300))
			  {
			    xx[num]=x[i];
			    yy[num]=y[i];
			    yyerr1[num]=yerr1[i];
			    yyerr2[num]=yerr2[i];
			    num++;
			  }
		      }
		    cpgsci(colour+1);
		    if (overlay==1)
		      cpgsci(p+1);
		    cpgpt(num,xx,yy,16);
		    cpgerry(num,xx,yyerr1,yyerr2,1);
		  }
		cpgsci(1);
	      }
	  }
      }
    printf("------------------------------\n");
    printf("`a'     set aspect ratio\n");
    printf("`f'     set font size\n");
    printf("`g'     set graphics device\n");
    printf("`q'     quit\n");
    printf("`x'     toggle autoscale x axis\n");
    printf("`y'     toggle autoscale y axis\n");
    printf("`p'     toggle prefit plotting\n");
    printf("`r'     output residuals to file\n");

    if (graphics==1)
      {
	cpgcurs(&mouseX,&mouseY,&key);
	
	/* Check key press */
	if (key=='q') exitFlag=1;
	if (key=='p') {
	  plotpre*=-1;
	  if (plotpre==-1)
	    {
	      cpgend();
	      if (overlay==1)
		cpgbeg(0,"/xs",1,1);
	      else
		cpgbeg(0,"/xs",1,npsr);
	      cpgpap(widthPap,aspectPap);
	      cpgsch(fontSize);
	      cpgask(0);	      
	    }
	  else
	    {
	      cpgend();
	      if (overlay==1)
		cpgbeg(0,"/xs",2,1);
	      else
		cpgbeg(0,"/xs",2,npsr);
	      cpgpap(widthPap,aspectPap);
	      cpgsch(fontSize);
	      cpgask(0);	      
	    }
	}
	else if (key=='a') /* Change aspect ratio */
	  {
	    printf("Please enter a new aspect ratio ");
	    scanf("%f",&aspectPap);
	    cpgend();
	    cpgbeg(0,"/xs",2,npsr);
	    cpgpap(widthPap,aspectPap);
	    cpgsch(fontSize);
	    cpgask(0);	      
	  }
	else if (key=='f') /* Change font size */
	  {
	    printf("Please enter a new font size ");
	    scanf("%f",&fontSize);
	    cpgend();
	    cpgbeg(0,"/xs",2,npsr);
	    cpgpap(widthPap,aspectPap);
	    cpgsch(fontSize);
	    cpgask(0);	      
	  }
	else if (key=='g')
	  {
	    graphics=0;
	    cpgend();
	    if (plotpre==-1)
	      {
		cpgend();
		if (overlay==1)
		  cpgbeg(0,"?",1,1);
		else
		  cpgbeg(0,"?",1,npsr);
		cpgpap(widthPap,aspectPap);
		cpgsch(fontSize);
		cpgask(0);	      
	      }
	    else
	      {
		cpgend();
		if (overlay==1)
		  cpgbeg(0,"?",1,1);
		else
		  cpgbeg(0,"?",2,npsr);
		cpgpap(widthPap,aspectPap);
		cpgsch(fontSize);
		cpgask(0);	      
	      }
	  }
	else if (key=='r') /* Output residuals to file */
	  {
	    FILE *fout;
	    char fname[1000];
	    int ii,jj;

	    for (ii=0;ii<npsr;ii++)
	      {
		sprintf(fname,"%s.res",psr[ii].name);
		fout = fopen(fname,"w");
		/* Print header */
		fprintf(fout,"#PSR %s\n",psr[ii].name);
		ld_fprintf(fout,"#F0  %.14Lf\n",psr[ii].param[param_f].val[0]);
		fprintf(fout,"#RAJ %s\n",psr[ii].rajStrPre);
		fprintf(fout,"#DECJ %s\n",psr[ii].decjStrPre);
		for (jj=0;jj<psr[ii].nobs;jj++)
		  fprintf(fout,"%.5lf %.5lg %.5lg\n",
			  (double)(psr[ii].obsn[jj].bat-psr[0].param[param_pepoch].val[0]),
			  (double)(psr[ii].obsn[jj].residual),(double)(psr[ii].obsn[jj].toaErr)/1.0e6);
		fclose(fout);
	      }
	  }
	else if (key=='x') 
	  {
	    xautoscale*=-1;
	    if (xautoscale==-1)
	      {
		for (k=0;k<npsr;k++)
		  {
		    count=0;
		    for (i=0;i<psr[k].nobs;i++)
		      {
			if (psr[k].obsn[i].deleted==0   &&
			    (psr[k].param[param_start].paramSet[0]!=1 || psr[k].param[param_start].fitFlag[0]!=1 ||
			     psr[k].param[param_start].val[0] < psr[k].obsn[i].bat) &&
			    (psr[k].param[param_finish].paramSet[0]!=1 || psr[k].param[param_finish].fitFlag[0]!=1 ||
			     psr[k].param[param_finish].val[0] > psr[k].obsn[i].bat))

			  {x[count] = (double)(psr[k].obsn[i].bat-psr[0].param[param_pepoch].val[0]); count++;}
		      }
		    minx = findMin(x,psr,k,scale1,count);
		    maxx = findMax(x,psr,k,scale1,count);
		    if (k==0)
		      {
			tmin = minx;
			tmax = maxx;
			printf("Have1 tmin = %f, tmax = %f\n",tmin,tmax);
		      }
		    else
		      {
			if (tmin > minx) tmin = minx;
			if (tmax < maxx) tmax = maxx;
			printf("Have2 tmin = %f, tmax = %f\n",tmin,tmax);

		      }
		  }
	      }
	  }       
	else if (key=='y') 
	  {
	    yautoscale*=-1;
	    if (yautoscale==-1)
	      {
		for (k=0;k<npsr;k++)
		  {
		    count=0;
		    for (i=0;i<psr[k].nobs;i++)
		      {
			if (psr[k].obsn[i].deleted==0   &&
			    (psr[k].param[param_start].paramSet[0]!=1 || psr[k].param[param_start].fitFlag[0]!=1 ||
			     psr[k].param[param_start].val[0] < psr[k].obsn[i].bat) &&
			    (psr[k].param[param_finish].paramSet[0]!=1 || psr[k].param[param_finish].fitFlag[0]!=1 ||
			     psr[k].param[param_finish].val[0] > psr[k].obsn[i].bat))			  
			  {y[count] = (double)psr[k].obsn[i].prefitResidual*1e6; count++;}
		      }
		    miny = findMin(y,psr,k,scale1,count);
		    maxy = findMax(y,psr,k,scale1,count);
		    if (k==0)
		      {
			tminy1 = miny;
			tmaxy1 = maxy;
		      }
		    else
		      {
			if (tminy1 > miny) tminy1 = miny;
			if (tmaxy1 < maxy) tmaxy1 = maxy;
		      }

		    count=0;
		    for (i=0;i<psr[k].nobs;i++)
		      {
			if (psr[k].obsn[i].deleted==0   &&
			    (psr[k].param[param_start].paramSet[0]!=1 || psr[k].param[param_start].fitFlag[0]!=1 ||
			     psr[k].param[param_start].val[0] < psr[k].obsn[i].bat) &&
			    (psr[k].param[param_finish].paramSet[0]!=1 || psr[k].param[param_finish].fitFlag[0]!=1 ||
			     psr[k].param[param_finish].val[0] > psr[k].obsn[i].bat))
			  {y[count] = (double)psr[k].obsn[i].residual*1e6; count++;}
		      }
		    miny = findMin(y,psr,k,scale1,count);
		    maxy = findMax(y,psr,k,scale1,count);
		    if (k==0)
		      {
			tminy2 = miny;
			tmaxy2 = maxy;
		      }
		    else
		      {
			if (tminy2 > miny) tminy2 = miny;
			if (tmaxy2 < maxy) tmaxy2 = maxy;
		      }
		  }
		printf("Have tminy2 = %g %g\n",tminy2,tmaxy2);
	      }
	  }       
	else printf("Unknown key press %c\n",key);
      }
    else
      {
	graphics=1;

	cpgend();
	if (plotpre==-1)
	  {
	    cpgend();
	    if (overlay==1)
	      cpgbeg(0,"/xs",1,1);
	    else
	      cpgbeg(0,"/xs",1,npsr);
	    cpgpap(widthPap,aspectPap);
	    cpgsch(fontSize);
	    cpgask(0);	      
	  }
	else
	  {
	    cpgend();
	    if (overlay==1)
	      cpgbeg(0,"/xs",2,1);
	    else
	      cpgbeg(0,"/xs",2,npsr);
	    cpgpap(widthPap,aspectPap);
	    cpgsch(fontSize);
	    cpgask(0);	      
	  }
      }
  } while (exitFlag==0);
  
  cpgend();
}