Definition of "parametric_datum"

NOTE: Markdown does not support highlighting in color, so bold/italic has been used to highlight the material being discussed. This issue is extracted from the document submitted by Roger Lott at https://github.com/opengeospatial/CRS-JSON-Encoding/blob/main/ProjJson%20v0-7%20RL%202024-06-16.docx for discussion at the CRS SWG meeting OGC held during the Montreal June 2024 TC meeting.

"parametric_datum": {
  "type": "object",

"allOf": [{ "$ref": "#/definitions/object_usage" }],

  "properties": {
    "type": { "type": "string", "enum": ["ParametricDatum"] },
    "name": { "type": "string" },
    "anchor": { "type": "string" },
    "anchor_epoch": { "type": "number" }
    "conventional_RS": { "type": "string" }
    "publication_date": { "type": date }
    "$schema" : {},

"scope": {},
"area": {},
"bbox": {},
"vertical_extent": {},
"temporal_extent": {},
"usages": {},

    "remarks": {},
    "id": {}, "ids": {}
  },
  "required" : [ "name" ],
  "additionalProperties": false
},

"$comment": "[RL] See comment regarding usage under compound_crs."

"$comment": "[RL] 3x attributes missing."

Beginne mit dem parametric_datum-Schemaauszug in diesem Issue und dem verlinkten ProjJson v0-7-Dokument. Vergleiche den Vorschlag mit dem aktuellen Schema des Repositorys, kläre die Eigenschaften usage und extent sowie die drei genannten fehlenden Attribute und bestätige, dass die resultierende Definition der vereinbarten Spezifikation entspricht.