Function FillSymbolLine

xcharts2.cpp:232–274

// planets at the same time.

void FillSymbolLine(real *symbol)
{
  real orb = DEFORB*1.35*(real)gi.nScale, max = rDegMax, k1, k2, temp;
  int i, j, l, tot = is.nObj*2+1;
  flag fMoved = fTrue;

  if (gi.nMode != gEphemeris)
    max *= (real)gi.nScale;
  else
    orb *= rDegMax/(real)gs.xWin;

  // Keep adjusting as long as can still make changes.

  for (l = 0; fMoved && l < us.nDivision*2; l++) {
    fMoved = fFalse;
    for (i = 0; i <= tot; i++)
      if (FProper(i >> 1) && symbol[i] >= 0.0) {

        // For each object, determine who is closest to the left and right.

        k1 = max-symbol[i]; k2 = -symbol[i];
        for (j = 0; j <= tot; j++) {
          if (FProper(j >> 1) && i != j) {
            temp = symbol[j]-symbol[i];
            if (temp < k1 && temp > 0.0)
              k1 = temp;
            else if (temp > k2 && temp <= 0.0)
              k2 = temp;
          }
        }

        // If an object's too close on one side, then move in other direction.

        if (k2 > -orb && k1 > orb) {
          fMoved = fTrue; symbol[i] = symbol[i]+orb*0.51+k2*0.49;
        } else if (k1 < orb && k2 < -orb) {
          fMoved = fTrue; symbol[i] = symbol[i]-orb*0.51+k1*0.49;
        } else if (k2 > -orb && k1 < orb) {
          fMoved = fTrue; symbol[i] = symbol[i]+(k1+k2)*0.5;
        }
      }
  }
}


// Enumerate all planetary moons in a chart. For each moon, return its index,