Additional support for LINZ Maps Tiles

lib/cartopy/io/img_tiles.py

@@ -682,3 +682,39 @@ def _image_url(self, tile):
             f'https://atlas.microsoft.com/map/tile?'
             f'api-version={self.api_version}&tilesetId={self.tileset_id}&'
             f'x={x}&y={y}&zoom={z}&subscription-key={self.subscription_key}')
+
+
+class LINZMapsTiles(GoogleWTS):
+
+    def __init__(self, apikey, layer_id, api_version="v4",
+                 desired_tile_form='RGB', cache=False):
+        """
+        Set up a new instance to retrieve tiles from The LINZ
+        aka. Land Information New Zealand
+
+        Access to LINZ WMTS GetCapabilities requires an API key.
+        Register yourself free in https://id.koordinates.com/signup/
+        to gain access into the LINZ database.
+
+        Parameters
+        ----------
+        apikey
+            A valid LINZ API key specific for every users.
+        layer_id
+            A layer ID for a map. See the "Technical Details" lower down the
+            "About" tab for each layer displayed in the LINZ data service.
+        api_version
+            API version to use. Defaults to v4 for now.
+
+        """
+        super().__init__(desired_tile_form=desired_tile_form, cache=cache)
+        self.apikey = apikey
+        self.layer_id = layer_id
+        self.api_version = api_version
+
+    def _image_url(self, tile):
+        x, y, z = tile
+        return (
+            f'https://tiles-a.koordinates.com/services;'
+            f'key={self.apikey}/tiles/{self.api_version}/'
+            f'layer={self.layer_id}/EPSG:3857/{z}/{x}/{y}.png')