scansum.c

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/* 
Copyright 2021 Arizona Board of Regents on behalf of the University of Arizona.

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in the Software without restriction for non-commercial use educational and
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in all copies or substantial portions of the Software.

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1. Additional Required Provisions

1.1.  Arbitration. The parties agree that if a dispute arises between them
concerning this Agreement, the parties may be required to submit the matter to
arbitration pursuant to Arizona law.

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 */


#include "extern.h"

struct SCAN_SUM_SEND ss;


int recordScanSum(indx, s)
int    indx;
struct SCAN_SUM *s;
{
  int wif;  /* which IF */
  double sq, trms;
  struct LP_IMAGE_INFO *image = h0;


  wif = getFeed(h0->head.scan) -1;

  st_print("Recording Scan Sum, indx %d, IF %d\n", indx, wif);

  /* we are doint the 250's so shift it down. */
  if(env->issmt && h0->head.freqres == 0.250 && wif > 3)
  {
    wif -= 4;
  }

  if(wif > -1 && wif < MAX_IFS)
  {
    s->scan[wif] = h0->head.scan;
    s->ut[wif]   = h0->head.ut;
    s->lst[wif]  = h0->head.lst;
    s->az[wif]   = h0->head.az;
    s->el[wif]   = h0->head.el;
    s->tsys[wif] = h0->head.stsys;
    s->tcal[wif] = h0->head.tcal;

    s->peak[wif] = env->datamax;

  /* Go compute the baseline which computes 
     the rms of the baseline region */
    computeBaseLine(image);

    if(env->hwdc < 0.5)
    {
      setHWDC(image);
    }

    sq = sqrt(fabs(image->head.freqres) * 1e6 * image->head.inttime * env->hwdc);

    if(sq > 0.0)
    {
      trms = image->head.stsys * 2.0 / sq;
    }
    else
    {
      st_fail("sqrt(freqres * inttime * hwdc) = %f", sq);
      trms = 99999.0;
    }

    s->rms[wif] = trms;
  }
  else
  {
    st_fail("Computed IF %d, out of range", wif);
    return(1);
  }

  return(0);
}


int scansum()
{
  int    indx, scan;
  struct SCAN_SUM *s;

  if(isSet(PF_I_FLAG))
  {
    bzero((char *)&ss, sizeof(ss));

    return(0);
  }

  if(isSet(PF_R_FLAG))
  {
    if(isSpecFivePoint(&h0->head))
    {
      st_print("Skipping 5-Point Scan\n");
      return(0);
    }

    scan = (int)h0->head.scan;
    if(ss.last_scan == 0)
    {
      ss.last_scan = scan;
    }

    if(ss.last_scan != scan)
    {
      ss.nscans++;
      ss.last_scan = scan;
    }

    indx = ss.nscans;

    if(indx == 0)
    {
      strcpy(ss.magic, "SCAN_SUM_SEND");

      bcopy((char *)&h0->head, (char *)&ss.head, sizeof(ss.head));
    }

    s = &ss.scans[indx];

    recordScanSum(indx, s);

    return(0);
  }

  if(isSet(PF_S_FLAG))
  {
    /* Set the defaults */
    ss.xaxis = SCAN_SUM_X_SCANS;
    ss.yaxis = SCAN_SUM_Y_PEAK;

    if(isSet(PF_U_FLAG))
    {
      ss.xaxis = SCAN_SUM_X_UT;
    }
    else
    if(isSet(PF_A_FLAG))
    {
      ss.xaxis = SCAN_SUM_X_AZ;
    }
    else
    if(isSet(PF_E_FLAG))
    {
      ss.xaxis = SCAN_SUM_X_EL;
    }
    else
    if(isSet(PF_U_FLAG))
    {
      ss.xaxis = SCAN_SUM_X_UT;
    }
    else
    if(isSet(PF_L_FLAG))
    {
      ss.xaxis = SCAN_SUM_X_LST;
    }
    else
    if(isSet(PF_N_FLAG))
    {
      ss.xaxis = SCAN_SUM_X_NUM;
    }

    if(isSet(PF_M_FLAG))
    {
      ss.yaxis = SCAN_SUM_Y_RMS;
    }
    else
    if(isSet(PF_T_FLAG))
    {
      ss.yaxis = SCAN_SUM_Y_TSYS;
    }
    else
    if(isSet(PF_C_FLAG))
    {
      ss.yaxis = SCAN_SUM_Y_TCAL;
    }

    ss.plotwin = env->plotwin;
    ss.xdelay  = env->xdelay;
    ss.yscale  = env->yscale;
    ss.ylower  = env->ylower;
    ss.yupper  = env->yupper;

    st_report("Sending SCAN_SUM Struct to XGraphics");

    sock_write(xgraphic, (char *)&ss, sizeof(ss));

    return(0);
  }

  return(0);
}