message: adding maxContrib to sg::Renderer
diff: @@ -74,6 +74,14 @@ namespace ospray {
  " to speed-up rendering.");
  child("minContribution").setMinMax(0.f, 0.1f);
  + createChild("maxContribution", "float", 5.f,
  + NodeFlags::required |
  + NodeFlags::valid_min_max |
  + NodeFlags::gui_slider,
  + "sample contributions above this value will be ignored."
  + " This reduces bright dots appearing in images");
  + child("maxContribution").setMinMax(1e-5f, 1e5f);
  +
  createChild("varianceThreshold", "float", 0.f,
  NodeFlags::required |
  NodeFlags::valid_min_max |
  