Add schema support for histogram processing

docs/src/SUMMARY.md

@@ -18,9 +18,12 @@
 - [Sandbox](sandbox/README.md)
   - [Introspection](sandbox/inspect.md)
   - [Projects](sandbox/projects.md)
-  - [Vector layers](sandbox/vector/layers.md)
-  - [Vector styles](sandbox/vector/styles.md)
-  - [Raster layers](sandbox/raster/layers.md)
-  - [Raster styles](sandbox/raster/styles.md)
+  - [Vector](sandbox/vector/README.md)
+    - [Layers](sandbox/vector/layers.md)
+    - [Styles](sandbox/vector/styles.md)
+  - [Raster](sandbox/raster/README.md)
+    - [Layers](sandbox/raster/layers.md)
+    - [Styles](sandbox/raster/styles.md)
+    - [Processing](sandbox/raster/processing.md)
 - [Developers](DEVELOPERS.md)
 - [Funders](FUNDERS.md)

docs/src/sandbox/raster/README.md

@@ -0,0 +1 @@
+# Raster

docs/src/sandbox/raster/processing.md

@@ -0,0 +1,17 @@
+# Sandbox : raster processing
+
+
+### Histogram
+
+To get an histogram for a specific raster layer:
+
+```` shell
+$ curl "http://localhost:5000/api/processing/raster/histogram/my_project/dem?schema=my_schema" \
+  -X POST \
+  -H 'Content-Type: application/json' \
+  -d '{
+    "min": 0,
+    "count": 100
+  }'
+true
+````

docs/src/sandbox/vector/README.md

@@ -0,0 +1 @@
+# Vector

qsa-api/qsa_api/api/processing.py

@@ -89,7 +89,8 @@ def raster_histogram(project: str, layer: str):
         if "count" in data:
             count = data["count"]
 
-        proj = QSAProject(project)
+        psql_schema = request.args.get("schema", default="public")
+        proj = QSAProject(project, psql_schema)
         if proj.exists():
             layer_infos = proj.layer(layer)
             if layer_infos: