Merge pull request #568 from nsidc/asiaq-nunagis-buildings-layer

Add buildings layer from Asiaq/NunaGIS
nsidc · Jun 21, 2023 · a11a11b · a11a11b
2 parents e590772 + 47d9a74
commit a11a11b
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -26,6 +26,7 @@
   mentioned "Internet-required data/Topographic map of Greenland" WMS layer.
 - Add new "Internet-required data/Blue Marble shaded relief and Bathymetry
   (500m)" WMS layer from NASA Global Imagery Browse Services (GIBS)
+- Add new "Places/Buildings" layer from Asiaq/NunaGIS.
 
 
 # v3.0.0alpha2 (2023-05-09)

diff --git a/qgreenland/ancillary/styles/buildings_shape.qml b/qgreenland/ancillary/styles/buildings_shape.qml
diff --git a/qgreenland/config/cfg-lock.json b/qgreenland/config/cfg-lock.json
@@ -69,6 +69,29 @@
         "title": "Circumpolar Arctic Vegetation, Geobotanical, Physiographic Maps, 1982-2003"
       }
     },
+    "asiaq_nunagis": {
+      "assets": {
+        "buildings": {
+          "args": [
+            "ogr2ogr",
+            "-oo",
+            "FEATURE_SERVER_PAGING=YES",
+            "{output_dir}/fetched.geojson",
+            "\"https://kort.nunagis.gl/refserver/rest/services/Kortportal/Kortportal_TekniskGrundkort/MapServer/82/query/?f=json&where=OBJECTID+is+not+null&outFields=*&orderByFields=OBJECTID+ASC\""
+          ],
+          "id": "buildings"
+        }
+      },
+      "id": "asiaq_nunagis",
+      "metadata": {
+        "abstract": "The NunaGIS data server provides data for the the Asiaq Map\nPortal Technical Basemap, which includes a variety of datasets.",
+        "citation": {
+          "text": "NunaGIS (2023). Date accessed: {{date_accessed}}.",
+          "url": "https://kort.nunagis.gl/refserver/rest/services/Kortportal/Kortportal_TekniskGrundkort/MapServer"
+        },
+        "title": "Asiaq Map Portal Techincal Basemap"
+      }
+    },
     "asiaq_private_placenames": {
       "assets": {
         "only": {
@@ -3460,14 +3483,54 @@
               "title": "Place names database"
             },
             "name": "comprehensive_places"
+          },
+          {
+            "layer_cfg": {
+              "description": "Polygons representing buildings in Greenland.\n\nThe attribute containing building use is called \u2018Info\u2019 and is provided in Danish.",
+              "id": "buildings",
+              "in_package": true,
+              "input": {
+                "asset": {
+                  "id": "buildings"
+                },
+                "dataset": {
+                  "id": "asiaq_nunagis"
+                }
+              },
+              "show": false,
+              "steps": [
+                {
+                  "args": [
+                    "ogr2ogr",
+                    "-lco",
+                    "ENCODING=UTF-8",
+                    "-t_srs",
+                    "EPSG:3413",
+                    "-clipdst",
+                    "{assets_dir}/greenland_rectangle.geojson",
+                    "-makevalid",
+                    "{output_dir}/final.gpkg",
+                    "{input_dir}/fetched.geojson"
+                  ],
+                  "type": "command"
+                }
+              ],
+              "style": "buildings_shape",
+              "tags": [
+                "places"
+              ],
+              "title": "Buildings"
+            },
+            "name": "buildings"
           }
         ],
         "name": "Places",
         "settings": {
           "expand": false,
           "order": [
             ":populated_places",
-            ":comprehensive_places"
+            ":comprehensive_places",
+            ":buildings"
           ],
           "show": false
         }

diff --git a/qgreenland/config/datasets/asiaq_nunagis.py b/qgreenland/config/datasets/asiaq_nunagis.py
@@ -0,0 +1,24 @@
+from qgreenland.config.helpers.assets.ogr_remote import ogr_remote_asset
+from qgreenland.models.config.dataset import Dataset
+
+asiaq_nunagis = Dataset(
+    id="asiaq_nunagis",
+    assets=[
+        ogr_remote_asset(
+            asset_id="buildings",
+            output_file="{output_dir}/fetched.geojson",
+            url="https://kort.nunagis.gl/refserver/rest/services/Kortportal/Kortportal_TekniskGrundkort/MapServer/82/query/?f=json&where=OBJECTID+is+not+null&outFields=*&orderByFields=OBJECTID+ASC",
+        ),
+    ],
+    metadata={
+        "title": "Asiaq Map Portal Techincal Basemap",
+        "abstract": (
+            """The NunaGIS data server provides data for the the Asiaq Map
+            Portal Technical Basemap, which includes a variety of datasets."""
+        ),
+        "citation": {
+            "text": ("""NunaGIS (2023). Date accessed: {{date_accessed}}."""),
+            "url": "https://kort.nunagis.gl/refserver/rest/services/Kortportal/Kortportal_TekniskGrundkort/MapServer",
+        },
+    },
+)
diff --git a/qgreenland/config/layers/Places/__settings__.py b/qgreenland/config/layers/Places/__settings__.py
@@ -4,5 +4,6 @@
     order=[
         ":populated_places",
         ":comprehensive_places",
+        ":buildings",
     ],
 )
diff --git a/qgreenland/config/layers/Places/buildings.py b/qgreenland/config/layers/Places/buildings.py
@@ -0,0 +1,25 @@
+from qgreenland.config.datasets.asiaq_nunagis import asiaq_nunagis
+from qgreenland.config.helpers.steps.ogr2ogr import ogr2ogr
+from qgreenland.config.project import project
+from qgreenland.models.config.layer import Layer, LayerInput
+
+buildings = Layer(
+    id="buildings",
+    title="Buildings",
+    style="buildings_shape",
+    description="""Polygons representing buildings in Greenland.
+
+    The attribute containing building use is called ‘Info’ and is provided in Danish.""",
+    tags=["places"],
+    input=LayerInput(
+        dataset=asiaq_nunagis,
+        asset=asiaq_nunagis.assets["buildings"],
+    ),
+    steps=[
+        *ogr2ogr(
+            input_file="{input_dir}/fetched.geojson",
+            output_file="{output_dir}/final.gpkg",
+            boundary_filepath=project.boundaries["data"].filepath,
+        ),
+    ],
+)