INTERLIS 2.4;

/** EN: UAS Awareness Zone Data Model
 */
!!@ technicalContact=mailto:gis@bazl.admin.ch
!!@ furtherInformation=https://www.bazl.admin.ch/geoinformation
MODEL UASAwarenessZone_V1 (en)
AT "https://models.geo.admin.ch/BAZL/"
VERSION "2026-02-02"  =
  IMPORTS GeometryCHLV95_V2,InternationalCodes_V2;

  /** EN: Structure containing localised texts.
   */
  STRUCTURE LocalisedText =
    /** EN: Standard language code (ISO639_1) based on the CHBase model convention.
     */
    Language : MANDATORY InternationalCodes_V2.LanguageCode_ISO639_1;
    /** EN: Localised text (max. 200 characters).
     */
    Text : MANDATORY TEXT*200;
    /** EN: Allowed languages are German, French, Italian and English.
     */
    MANDATORY CONSTRAINT ((Language == #de OR Language == #fr) OR Language == #it) OR Language == #en;
  END LocalisedText;

  /** EN: Structure containing multilingual elements of localised text.
   */
  STRUCTURE MultilingualText =
    /** EN: Multilingual text.
     */
    Localised : BAG {1..*} OF UASAwarenessZone_V1.LocalisedText;
    /** EN: Uniqueness constraint of multilingual element language.
     */
    UNIQUE (LOCAL) Localised:Language;
  END MultilingualText;

  /** EN: Topic for UAS Awareness Zones.
   */
  TOPIC UASAwareness =
    OID AS INTERLIS.UUIDOID;

    DOMAIN

      /** EN: A date and time instant, represented as a string specified by RFC 3339 in the local time.
       */
      DateTimeType = FORMAT INTERLIS.XMLDateTime "1900-01-01T00:00:00.000" .. "2099-12-31T23:59:59.000";

    /** EN: The UAS Awareness Map indicates areas of authorised unmanned aircraft (UAS) operations. 
     * The purpose of the publication of such areas is to enhance situational awareness for manned aviation and provide relevant contact information.
     */
    CLASS UASAwarenessZone =
      /** EN: A string of characters that uniquely identifies the UAS Awareness Zone.
       */
      identifier : MANDATORY TEXT*8;
      /** EN: The route name or location of the zone.
       */
      routeLocation : MANDATORY UASAwarenessZone_V1.MultilingualText;
      /** EN: The date and time when the UAS Awareness Zone starts or has started to exist.
       */
      startDateTime : MANDATORY DateTimeType;
      /** EN: The date and time when the UAS Awareness Zone ceases to exist. If not specified, this means that the zone is permanent.
       */
      endDateTime : DateTimeType;
      /** The validity period of the zone during the specified hours and days. If no days are specified, the zone is valid every day of the week.
       */
      validity : TEXT*30;
      /** EN: The lower limit of the zone.
       */
      lowerLimit : MANDATORY TEXT*20;
      /** EN: The upper limit of the zone.
       */
      upperLimit : MANDATORY TEXT*20;
      /** EN: The height of the trajectory.
       */
      heightAboveGround : MANDATORY TEXT*15;
      /** EN: A description of the UAS Awareness Zone.
       */
      description : MANDATORY TEXT*200;
      /** EN: The detection systems in place.
       */
      existingDetectionSystems : MANDATORY TEXT*100;
      /** EN: Contact informations.
       */
      coordination : MANDATORY TEXT*100;
      /** EN: A multi polygonal shape using the CH1903+ coordinate reference system (EPSG:2056). For each geometry there must be a single exterior and no circles. Interior holes are allowed.
       */
      coordinates : MANDATORY MULTISURFACE WITH (STRAIGHTS) VERTEX GeometryCHLV95_V2.Coord2 WITHOUT OVERLAPS>0.05;
      /** EN: The attribute identifier must be unique.
       */
      UNIQUE identifier;
    END UASAwarenessZone;

  END UASAwareness;

END UASAwarenessZone_V1.