message: Undo a change I made specifically for reproducibility when debugging.
diff: @@ -572,7 +572,7 @@ public:
  for(int i = iBegin; i < iEnd; ++i)
  {
  const double ang = randomSpacing
  - ? random_real(avgAng * iBegin, avgAng * iEnd, 0)
  + ? random_real(avgAng * iBegin, avgAng * iEnd)
  : i * avgAng;
  const double rsinT = center[1] + radius * std::sin(ang);
  const double rcosT = center[0] + radius * std::cos(ang);
  