The type for WMS and WMTS links should be set to the image media type that the client should request for tiles.

Author: m-mohr

CHANGELOG.md

@@ -12,6 +12,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- The `type` for WMS and WMTS links should be set to the image media type that the client should request for tiles.
+
 ### Deprecated
 
 ### Removed

README.md

@@ -55,7 +55,7 @@ Only (tiled) "Basic WMS" is supported at this time.
 | --------------- | -------------------- | ----------- |
 | rel             | string               | **REQUIRED**. Must be set to `wms`. |
 | href            | string               | **REQUIRED**. Link to the WMS, without any WMS specific query parameters. |
-| type            | string               | Recommended to be set to the media type the Capabilities document, usually `text/xml`. |
+| type            | string               | The media type to be used for the tile requests, e.g. `image/png` or `image/jpeg`. |
 | wms:layers      | \[string]            | **REQUIRED**. The layers to show on the map by default. Can't be empty. |
 | wms:styles      | \[string]            | The styles to show on the map by default. If not provided or empty, an empty string will be used for the query parameter. |
 | wms:dimensions  | Map\<string, string> | Any additional dimension parameters to add to the request as query parameters (e.g. the dimensions `TIME` or `ELEVATION`). |
@@ -68,7 +68,7 @@ Links to a [OGC Web Map Tile Service](https://www.ogc.org/standards/wmts) (WMTS)
 | --------------- | -------------------- | ----------- |
 | rel             | string               | **REQUIRED**. Must be set to `wmts`. |
 | href            | string               | **REQUIRED**. Link to the WMTS, without any WMTS specific query parameters. |
-| type            | string               | Recommended to be set to the media type the Capabilities document, usually `application/xml`. |
+| type            | string               | The media type to be used for the tile requests, e.g. `image/png` or `image/jpeg`. |
 | href:servers    | \[string]            | See [href:servers](#hrefservers) below for details. |
 | wmts:layer      | string\|\[string]    | **REQUIRED**. The layers to show on the map by default, either a list of layer names or a single layer name. |
 | wmts:dimensions | Map\<string, string> | Any additional dimension parameters to add to the request as key-value-pairs, usually added as query parameters. |

examples/collection.json

@@ -41,7 +41,7 @@
     {
       "href": "https://maps.example.com/wmts",
       "rel": "wmts",
-      "type": "application/xml",
+      "type": "image/png",
       "title": "RGB composite visualized through a WMTS",
       "wmts:layer": "rgb",
       "wmts:dimensions": {
@@ -51,7 +51,7 @@
     {
       "href": "https://maps.example.com/wms",
       "rel": "wms",
-      "type": "text/xml",
+      "type": "image/png",
       "title": "RGB composite visualized through a WMS",
       "wms:layers": [
         "rgb"

examples/item.json

@@ -50,7 +50,7 @@
     {
       "href": "https://maps.example.com/wmts",
       "rel": "wmts",
-      "type": "application/xml",
+      "type": "image/png",
       "title": "RGB composite visualized through a WMTS",
       "wmts:layer": [
         "streets",
@@ -60,7 +60,7 @@
     {
       "href": "https://maps.example.com/wms",
       "rel": "wms",
-      "type": "text/xml",
+      "type": "image/png",
       "title": "RGB composite visualized through a WMS",
       "wms:layers": [
         "rgb"