message: hardcoding default material for spheres
diff: @@ -45,6 +45,9 @@ namespace ospray {
  add(createNode("sphereData"));
  add(createNode("colorData"));
  add(createNode("material", "Material"));
  + (*this)["material"]["Kd"]->setValue(vec3f(1,1,1));
  + (*this)["material"]["Ks"]->setValue(vec3f(0,0,0));
  + (*this)["material"]["Ns"]->setValue(0.f);
  }
  box3f Spheres::bounds() const
  