json_schema: {
      "$schema": "http://json-schema.org/draft-07/schema#",
      "title": "Format of the geometrical tetrahedron-volume description.",
      "description": "Description of the volumes that form the object through which the sound waves travel.\nSchema on github: https://github.com/Engineer2B/PowerCalculator-Schemas",
      "type": "object",
      "required": [
          "Nodes",
          "Values"
      ],
      "properties": {
          "Nodes": {
              "description": "The coordinates in space where the vertices/nodes of the mesh are located.",
              "type": "array",
              "items": {
                  "type": "array",
                  "minItems": 3,
                  "maxItems": 3,
                  "items": {
                      "type": "number"
                  }
              }
          },
          "Elements": {
              "description": "The four node indices which together make up a tetrahedron.",
              "type": "array",
              "items": {
                  "type": "array",
                  "minItems": 4,
                  "maxItems": 4,
                  "items": {
                      "type": "integer",
                      "exclusiveMinimum": 0
                  }
              }
          },
          "Values": {
              "description": "The individual mesh objects.",
              "minItems": 1,
              "type": "array",
              "items": {
                  "type": "object",
                  "required": [
                      "ElementIndices",
                      "MediumName",
                      "Id"
                  ],
                  "properties": {
                      "ElementIndices": {
                          "description": "Array of the id of the element.",
                          "type": "array",
                          "minItems": 1,
                          "items": {
                              "type": "integer",
                              "exclusiveMinimum": 0
                          }
                      },
                      "MediumName": {
                          "type": "string",
                          "minLength": 1,
                          "description": "The unique name of the medium."
                      },
                      "Id": {
                          "description": "Identifier for this volume. This identifier should be unique amongst all other volumes.",
                          "type": "integer",
                          "exclusiveMinimum": -1
                      }
                  }
              }
          }
      }
  }