Parameter structure not to spec

[letmaik]

The parameter structure that is generated from pycovjson-convert is:

    {
      "symbol": {
        "value": "Land Cover Class",
        "type": ""
      },
      "description": null,
      "observedProperty": {
        "id": null,
        "label": {
          "en": "MELODIES Land Cover"
        }
      },
      "type": "Parameter",
      "unit": {
        "label": {
          "en": "Land Cover Class"
        }
      }
    }

There are several issues here:

• "symbol" can only be defined within the "unit" property, so the nesting is wrong.
• The value of "type" within "symbol" cannot be an empty string. If the unit scheme is not known as in here, then the symbol must be a plain string, not an object.
• null is not allowed for missing values (here "description" and "id"). The property has to be left out completely in that case.

[RileyWilliams]

what is the "id" field used for?

[letmaik]

It's just a string identifier, sometimes it can be a URI identifiying some concept globally uniquely.