fix the wmts.xml template to work with non-epsg based CRS (#558)

Author: vincentsarago

CHANGES.md

@@ -1,5 +1,9 @@
 # Release Notes
 
+## 0.9.1 (2022-12-08)
+
+* fix the `wmts.xml` template to work with non-epsg based CRS
+
 ## 0.9.0 (2022-12-05)
 
 ### titiler.core

src/titiler/core/tests/test_factories.py

@@ -229,6 +229,18 @@ def test_TilerFactory():
     )
     assert response.status_code == 200
     assert response.headers["content-type"] == "application/xml"
+    meta = parse_img(response.content)
+    assert meta["driver"] == "WMTS"
+    assert meta["crs"] == "EPSG:3857"
+
+    response = client.get(
+        f"/WorldCRS84Quad/WMTSCapabilities.xml?url={DATA_DIR}/cog.tif&minzoom=5&maxzoom=12"
+    )
+    assert response.status_code == 200
+    assert response.headers["content-type"] == "application/xml"
+    meta = parse_img(response.content)
+    assert meta["driver"] == "WMTS"
+    assert str(meta["crs"]) == "OGC:CRS84"
 
     response = client.get(f"/bounds?url={DATA_DIR}/cog.tif")
     assert response.status_code == 200

src/titiler/core/titiler/core/templates/wmts.xml

@@ -52,11 +52,11 @@
         </Layer>
         <TileMatrixSet>
             <ows:Identifier>{{ tms.identifier }}</ows:Identifier>
-            <ows:SupportedCRS>EPSG:{{ tms.crs.to_epsg() }}</ows:SupportedCRS>
+            <ows:SupportedCRS>{{ tms.crs.srs }}</ows:SupportedCRS>
             {% for item in tileMatrix %}
             {{ item | safe }}
             {% endfor %}
         </TileMatrixSet>
     </Contents>
     <ServiceMetadataURL xlink:href="{{ request.url }}" />
-</Capabilities>
+</Capabilities>