From 789b4ae52167396bfc0d406dd028b2ba7880b29d Mon Sep 17 00:00:00 2001 From: Clemens Portele Date: Tue, 27 Feb 2024 19:23:24 +0000 Subject: [PATCH] add "x-ogc-definition" also add a comment on "x-ogc-unit-lang" --- extensions/schemas/standard/clause_7_schemas.adoc | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/extensions/schemas/standard/clause_7_schemas.adoc b/extensions/schemas/standard/clause_7_schemas.adoc index 8d2703da..041b8c6e 100644 --- a/extensions/schemas/standard/clause_7_schemas.adoc +++ b/extensions/schemas/standard/clause_7_schemas.adoc @@ -126,6 +126,17 @@ In geospatial data, numeric property values often represent a measurement and ha Communities or other OGC Standards can specify additional values for other unit languages, e.g., the https://www.qudt.org/doc/DOC_VOCAB-UNITS.html[QUDT Units] or https://www.opengis.net/def/uom[units registered in the OGC Rainbow]. For each language it must be specified how units have to be represented in the "x-ogc-unit" value. +NOTE: UCUM provides a language to define units while QUDT provides a units vocabulary. The term "language" is used as it is the broader term. + +:req: definition +[#{req-class}_{req}] +[width="90%",cols="2,7a"] +|=== +^|*Requirement {counter:req-num}* |/req/{req-class}/{req} +^|A |The keyword "x-ogc-definition" SHALL be used to identify the semantic definition for the property. +^|B |The value of the keyword "x-ogc-definition" SHALL be a URI. +|=== + === Example The following example is the schema of a feature type that also includes additional keywords that apply to feature data (specified in the next Clause).