{
   "description": "MiniLight JSON model format\nHarrison Ainsworth / HXA7241 : 2012\nhttp://www.hxa.name/minilight/\n\n(World axes are: X positive rightwards, Y positive upwards, Z positive forwards.)",
   "id": "http://www.hxa.name/minilight/model-json-schema.json",
   "$schema": "http://json-schema.org/schema",

   "type": "object",
   "required": true,
   "properties":
   {
      "id":
      {
         "type": "string",
         "required": true,
         "pattern": "^#MiniLight"
      },
      "iterations":
      {
         "type": "integer",
         "required": true,
         "minimum": 0
      },
      "image":
      {
         "type": "object",
         "required": true,
         "properties":
         {
            "width":
            {
               "type": "integer",
               "required": true,
               "minimum": 1
            },
            "height":
            {
               "type": "integer",
               "required": true,
               "minimum": 1
            }
         }
      },
      "view":
      {
         "type": "object",
         "required": true,
         "properties":
         {
            "position":
            {
               "type": "array",
               "required": true,
               "minItems": 3,
               "maxItems": 3,
               "items":
               {
                  "type": "number",
                  "required": true
               }
            },
            "direction":
            {
               "type": "array",
               "required": true,
               "minItems": 3,
               "maxItems": 3,
               "items":
               {
                  "type": "number",
                  "required": true
               }
            },
            "angle":
            {
               "description": "degrees",
               "type": "number",
               "required": true
            }
         }
      },
      "scene":
      {
         "type": "object",
         "required": true,
         "properties":
         {
            "skyemission":
            {
               "description": "HDR",
               "type": "array",
               "required": true,
               "minItems": 3,
               "maxItems": 3,
               "items":
               {
                  "type": "number",
                  "required": true,
                  "minimum": 0
               }
            },
            "groundreflection":
            {
               "type": "array",
               "required": true,
               "minItems": 3,
               "maxItems": 3,
               "items":
               {
                  "type": "number",
                  "required": true,
                  "minimum": 0,
                  "maximum": 1
               }
            },
            "triangles":
            {
               "type": "array",
               "required": true,
               "items":
               {
                  "description": "Triangle front face has clock-wise vertexes. Triangles are reflective (therefore visible) on both faces, but emissive on the front face only.",
                  "type": "object",
                  "required": true,
                  "properties":
                  {
                     "vertexs":
                     {
                        "type": "array",
                        "required": true,
                        "minItems": 3,
                        "maxItems": 3,
                        "items":
                        {
                           "type": "array",
                           "required": true,
                           "minItems": 3,
                           "maxItems": 3,
                           "items":
                           {
                              "type": "number",
                              "required": true
                           }
                        }
                     },
                     "reflectivity":
                     {
                        "type": "array",
                        "required": true,
                        "minItems": 3,
                        "maxItems": 3,
                        "items":
                        {
                           "type": "number",
                           "required": true,
                           "minimum": 0,
                           "maximum": 1
                        }
                     },
                     "emitivity":
                     {
                        "description": "HDR",
                        "type": "array",
                        "required": true,
                        "minItems": 3,
                        "maxItems": 3,
                        "items":
                        {
                           "type": "number",
                           "required": true,
                           "minimum": 0
                        }
                     }
                  }
               }
            }
         }
      }
   }
}