message: resetting sg volume defaults to what they were before.  .125 is fine for nonadaptive but too high for adaptive
diff: @@ -86,7 +86,7 @@ namespace ospray {
  createChild("transferFunction", "TransferFunction");
  createChild("gradientShadingEnabled", "bool", true);
  - createChild("preIntegration", "bool", true);
  + createChild("preIntegration", "bool", false);
  createChild("singleShade", "bool", true);
  createChild("voxelRange", "vec2f",
  vec2f(std::numeric_limits<float>::infinity(),
  @@ -94,8 +94,8 @@ namespace ospray {
  createChild("adaptiveSampling", "bool", true);
  createChild("adaptiveScalar", "float", 15.f);
  createChild("adaptiveBacktrack", "float", 0.03f);
  - createChild("samplingRate", "float", 0.125f);
  - createChild("adaptiveMaxSamplingRate", "float", 2.f);
  + createChild("samplingRate", "float", 0.06f);
  + createChild("adaptiveMaxSamplingRate", "float", 0.5f);
  createChild("volumeClippingBoxLower", "vec3f", vec3f(0.f));
  createChild("volumeClippingBoxUpper", "vec3f", vec3f(0.f));
  createChild("specular", "vec3f", vec3f(0.3f));
  