reviewed API against OGC API Feature P2 CRS

OGC-API-Features-CRS.md

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+# OGC API - Features - Part 2: Coordinate Reference Systems by Reference
+
+<https://docs.ogc.org/is/18-058/18-058.html>
+
+## Requirements
+
+| requirement | applicable | description |
+| --- | --- | --- |
+| /req/crs/crs-uri | :x: | {Authoritie}:{Code} is used in the request and a URN is used in the feature response. No URI is used. |
+| /req/crs/fc-md-crs-list | :x: | We don't have a `collection` object in this API |
+| /req/crs/fc-md-storageCrs | :x: | No spatial feature collection is stored on the server |
+| /req/crs/fc-md-storageCrs-valid-value | :x: | No storageCrs is advertised |
+| /req/crs/fc-md-crs-list-global | :x: | No spatial feature collection is advertised |
+| /req/crs/fc-bbox-crs-definition | :x: | No request with a bbox or bbox-crs are supported |
+| /req/crs/fc-bbox-crs-valid-value | :x: | No bbox-crs is supported |
+| /req/crs/fc-bbox-crs-valid-defaultValue | :x: | No bbox-crs is supported |
+| /req/crs/fc-bbox-crs-action | :x: | No bbox-crs is specified |
+| /req/crs/fc-crs-definition | :x: | No requests on a features or feature resource is available |
+| /req/crs/fc-crs-valid-value | :x: | No crs on a featues or feature resource is supported |
+| /req/crs/fc-crs-default-value | :x: | No crs on a featues or feature resource is supported |
+| /req/crs/fc-crs-action | :x: | No crs is specified |
+| /req/crs/geojson | :grey_exclamation: | We are subjected to this rfc7946 |
+| /req/crs/ogc-crs-header | :x: | We don't use the CRS query parameter because we need 2 CRS for our API. Using a named one like source-crs and target-crs makes it clear what the purpose is |
+| /req/crs/ogc-crs-header-value | :x: | No `Content-Crs` header is return in the response |
+
+## Recommendations
+
+| recommendation | applicable | description |
+| --- | --- | --- |
+| /rec/crs/crs-format-model | :x: | see requirement `/req/crs/crs-uri` |
+| /rec/crs/fc-md-coordinateEpoch | :x: | No spatial feature collection is stored on the server |
+|
+
+## Permission
+
+| recommendation | applicable | description |
+| --- | --- | --- |
+| /per/crs/fc-crs-action | :x: | Np features or feature resources are available |