message: setting default tonemapper values supplied by attila
diff: @@ -31,7 +31,7 @@ namespace ospray {
  NodeFlags::valid_min_max |
  NodeFlags::gui_slider).setMinMax(-8.f, 8.f);
  - createChild("contrast", "float", 1.4773f,
  + createChild("contrast", "float", 1.6773f,
  NodeFlags::required |
  NodeFlags::valid_min_max |
  NodeFlags::gui_slider).setMinMax(1.f, 5.f);
  @@ -41,17 +41,17 @@ namespace ospray {
  NodeFlags::valid_min_max |
  NodeFlags::gui_slider).setMinMax(0.9f, 1.f);
  - createChild("midIn", "float", 0.468f,
  + createChild("midIn", "float", 0.18f,
  NodeFlags::required |
  NodeFlags::valid_min_max |
  NodeFlags::gui_slider).setMinMax(0.f, 1.f);
  - createChild("midOut", "float", 0.278f,
  + createChild("midOut", "float", 0.18f,
  NodeFlags::required |
  NodeFlags::valid_min_max |
  NodeFlags::gui_slider).setMinMax(0.f, 1.f);
  - createChild("hdrMax", "float", 1.5785f,
  + createChild("hdrMax", "float", 11.0785f,
  NodeFlags::required |
  NodeFlags::valid_min_max |
  NodeFlags::gui_slider).setMinMax(1.f, 64.f);
  