Added context for processing extension

Author: rob-metalinkage

_sources/extensions/mlm/schema.yaml

@@ -5,4 +5,4 @@ allOf:
   - anyOf:
     - $ref: bblocks://ogc.contrib.stac.collection
     - $ref: bblocks://ogc.contrib.stac.item
-  - $ref: https://stac-extensions.github.io/mlm/v1.4.0/schema.json
+  - $ref: https://stac-extensions.github.io/mlm/v1.5.0/schema.json

_sources/extensions/processing/context.jsonld

@@ -1,15 +1,34 @@
 {
   "@context": {
-    "raster": "https://w3id.org/ogc/stac/raster/",
-    "raster:bands": {
-      "@id": "raster:bands",
-      "@context": {
-        "@vocab": "https://w3id.org/ogc/stac/raster/"
-      }
-    },
-    "raster:range": {
-      "@id": "raster:range",
-      "@container": "@list"
+    "processing": "https://w3id.org/ogc/stac/processing/",
+    "processing:software": {
+      "@id": "processing:software",
+      "@type": "@json",
+      "comment": "this is necessary since software name cannot be guaranteed to be convertible to a URI "
+    },
+    "processing:expression": {
+      "@id": "processing:expression",
+      "@type": "@json"
+    },
+    "processing:lineage": {
+      "@id": "processing:lineage",
+      "@type": "xsd:string"
+    },
+    "processing:level": {
+      "@id": "processing:level",
+      "@type": "xsd:string"
+    },
+    "processing:facility": {
+      "@id": "processing:facility",
+      "@type": "xsd:string"
+    },
+    "processing:version": {
+      "@id": "processing:version",
+      "@type": "xsd:string"
+    },
+    "processing:datetime": {
+      "@id": "processing:datetime",
+      "@type": "xsd:dateTime"
     }
   }
-}
+}

_sources/extensions/processing/schema.yaml

@@ -6,3 +6,6 @@ allOf:
     - $ref: bblocks://ogc.contrib.stac.collection
     - $ref: bblocks://ogc.contrib.stac.item
   - $ref: https://stac-extensions.github.io/processing/v1.2.0/schema.json
+  - properties:
+      "processing:software":
+        "type": "object"