{
    "$schema": "http://json-schema.org/schema#",
    "$schemaVersion": "0.0.1",
    "modelTags": "SAREF ShadingDevice",
    "$id": "https://smart-data-models.github.com/dataModel.SAREF4BLDG/ShadingDevice/schema.json",
    "derivedFrom": "https://saref.etsi.org/saref4bldg/v1.1.2/#s4bldg:ShadingDevice",
    "title": "Smart data models - ShadingDevice schema",
    "type": "object",
    "license": "https://opensource.org/licenses/BSD-3-Clause",
    "description": "Shading devices are purpose built devices to protect from the sunlight, from natural light, or screening them from view. Shading devices can form part of the facade or can be mounted inside the building, they can be fixed or operable.",
    "allOf": [
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/GSMA-Commons"
        },
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/Location-Commons"
        },
        {
            "properties": {
                "type": {
                    "type": "string",
                    "description": "Property. It must be equal to `ShadingDevice`",
                    "enum": [
                        "ShadingDevice"
                    ]
                },
                "isExternal": {
                    "type": "boolean",
                    "description": "Property. Indication whether the element is designed for use in the exterior (TRUE) or not (FALSE). If (TRUE) it is an external element and faces the outside of the building"
                },
                "mechanicalOperated": {
                    "type": "boolean",
                    "description": "Property. Indication whether the element is operated machanically (TRUE) or not, i.e. manually (FALSE)"
                },
                "roughness": {
                    "type": "string",
                    "description": "Property. A measure of the vertical deviations of the surface"
                },
                "shadingDeviceType": {
                    "type": "string",
                    "description": "Property. Specifies the type of shading device"
                },
                "solarReflectance": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. (Rsol): The ratio of incident solar radiation that is reflected by a shading system (also named _e). Note the following equation Asol + Rsol + Tsol = 1"
                },
                "solarTransmittance": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. (Tsol) The ratio of incident solar radiation that directly passes through a shading system (also named _e). Note the following equation Asol + Rsol + Tsol = 1"
                },
                "thermalTransmittance": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Rate at which energy is transmitted through a body. Usually measured in Watts/m2 Kelvin"
                },
                "visibleLightReflectance": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Fraction of the visible light that is reflected by the glazing at normal incidence. It is a value without unit"
                },
                "visibleLightTransmittance": {
                    "$ref": "https://raw.githubusercontent.com/smart-data-models/dataModel.S4BLDG/master/S4BLDG-schema.json#/definitions/Measurement",
                    "description": "Property. Fraction of the visible light that passes the shading system at normal incidence. It is a value without unit"
                },
                "isContainedInBuildingSpace": {
                    "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/EntityIdentifierType",
                    "description": "Relationship. An entity used to define the physical spaces of the building. A building space contains devices or building objects. (BuildingSpace)"
                },
                "isContainedInPhysicalObject": {
                    "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/EntityIdentifierType",
                    "description": "Relationship. Any Object that has a proper space region.  (Definition extracted from DUL ontology) (PhysicalObject)"
                },
                "isSubSystemOf": {
                    "type": "array",
                    "description": "Relationship. A reference to a system(s) that this Physical Object is part of",
                    "items": {
                        "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/EntityIdentifierType",
                        "description": "Relationship. The class of systems, i.e., systems virtually isolated from the environment, whose behaviour and interactions with the environment are modeled. Systems can be connected to other systems. Connected systems interact in some ways. Systems can also have subsystems. Properties of subsystems somehow contribute to the properties of the supersystem. (System)"
                    }
                },
                "hasManufacturer": {
                    "type": "string",
                    "description": "Property. A relationship identifying the manufacturer of an entity (e.g., device). The value is expected to be a string or a string with language tag"
                },
                "hasModel": {
                    "type": "string",
                    "description": "Property. A relationship identifying the model of an entity (e.g., device). The value is expected to be a string or a string with language tag"
                }
            }
        }
    ],
    "required": [
        "id",
        "type"
    ]
}