{
"comment":"refract_shadows true and transmitted 1 shows 2x specular reflection. also due to diffuse color 2nd specular is subtracting colors",
  "camera": {
    "loc": [5, 0, 0],
    "dir": [-1, 0, 0],
    "rot": [0, 0, 1],
    "depth": 2
  },
  "global": {
    "color": [0.2, 0.2, 0.2],
    "c": 10,
    "refract_shadows":true
  },
  "spheres": [
{
      "rad": 3.8,
      "loc": [-4, 0, 0],
      "ambient": 0.1,
      "specular": 1.46,
      "reflected": 1,
      "transmitted": 1,
      "diffuse": [0.9, 0.0, 0.0],
      "n": 32
    }
  ],
  "lights": [{
    "dir": [-0.4, -1, 0.6],
    "color": [14, 14, 14]
  }
]
}