message: change default radius for random spheres (rays go deeper)
diff: @@ -33,7 +33,7 @@ namespace ospray {
  const float sceneUpperBound = 1.f;
  int numSpheres = 1e6;
  - float radius = 0.002f;
  + float radius = 0.001f;
  for (auto &p : params) {
  if (p.first == "numSpheres")
  