Merge branch 'dev' into fix-providers

Author: m-mohr

CHANGELOG.md

@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 - Label extension: `label:classes` was flagged as required in JSON Schema, but is only required for categorical data.
 - Fixed JSON Schema for `providers` (Collections and Items) to be an object and require a `name`.
+- JSON Schema for `sar:polarizations` in `assets` fixed
 
 ## [v1.0.0-beta.2] - 2020-07-08
 
@@ -90,7 +91,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
   - New [View Geometry Extension](extensions/view/README.md)
 - STAC API:
   - Added the [Item and Collection API Version extension](https://github.com/radiantearth/stac-api-spec/tree/master/extensions/version/README.md) to support versioning in the API specification
-  - Run `npm run serve` or `npm run serve-ext` to quickly render development versions of the OpenAPI spec in the browser
+  - Run `npm run serve` or `npm run serve-ext` to quickly render development versions of the OpenAPI spec in the browser
 - [Basics](item-spec/common-metadata.md#basics) added to Common Metadata definitions with new `description` field for
 Item properties
 - New fields to the `link` object to facilitate [pagination support for POST requests](https://github.com/radiantearth/stac-api-spec/tree/master/api-spec.md#paging-extension)

extensions/sar/json-schema/schema.json

@@ -62,20 +62,7 @@
               "type": "number"
             },
             "sar:polarizations": {
-              "title": "Polarizations",
-              "type": "array",
-              "minItems": 1,
-              "maxItems": 4,
-              "uniqueItems": true,
-              "items": {
-                "type": "string",
-                "enum": [
-                  "HH",
-                  "VV",
-                  "HV",
-                  "VH"
-                ]
-              }
+              "$ref": "#/definitions/polarizations"
             },
             "sar:product_type": {
               "title": "Product type",
@@ -133,27 +120,29 @@
         },
         "assets": {
           "type": "object",
-          "additionalProperties": {
-            "type": "object",
-            "properties": {
-              "sar:polarizations": {
-                "title": "Polarizations",
-                "type": "array",
-                "minItems": 1,
-                "items": {
-                  "type": "string",
-                  "enum": [
-                    "HH",
-                    "VV",
-                    "HV",
-                    "VH"
-                  ]
-                }
-              }
+          "properties": {
+            "sar:polarizations": {
+              "$ref": "#/definitions/polarizations"
             }
           }
         }
       }
+    },
+    "polarizations": {
+      "title": "Polarizations",
+      "type": "array",
+      "minItems": 1,
+      "maxItems": 4,
+      "uniqueItems": true,
+      "items": {
+        "type": "string",
+        "enum": [
+          "HH",
+          "VV",
+          "HV",
+          "VH"
+        ]
+      }
     }
   }
 }