Basic WFS for BW

01_baden_wuerttemberg.py

-from citygml_download import Bundesland
+from citygml_download import Bundesland, TMP_DIR, download_file
+import json
+
+# Data are available as WFS
+# NOTE: Use geopandas or specific WFS lib?
+BW_WFS = "https://owsproxy.lgl-bw.de/owsproxy/wfs/WFS_LGL-BW_LoD2_Aktualitaet?SERVICE=WFS&VERSION=1.1.0&REQUEST=GetFeature&TYPENAME=verm:v_lod2_aktualitaet&MAXFEATURES=50000&OUTPUTFORMAT=application/json"
 
 BADEN_WUERTTEMBERG = Bundesland(
     "Baden-Württemberg",
@@ -6,3 +11,29 @@ BADEN_WUERTTEMBERG = Bundesland(
     info="https://www.lgl-bw.de/Produkte/Open-Data/",
     license="dl-de/by-2-0",
 )
+
+if __name__ == "__main__":
+    bw_json = TMP_DIR / "bw_lod2.json"
+    download_file(
+        BW_WFS,
+        bw_json
+    )
+
+    with open(bw_json) as json_file:
+        data = json.load(json_file)
+    xs, ys = [], []
+    import matplotlib.pyplot as plt
+    for feature in data["features"]:
+        x, y = feature['bbox'][:2]
+        xs.append(x)
+        ys.append(y)
+        # citygmls.append(
+        #     CityGMLWithDate(
+        #         url=feature["properties"]["xml"],
+        #         bundesland=NIEDERSACHSEN,
+        #         source_date=datetime.strptime(feature["properties"]["Aktualitaet"], "%Y-%m-%d %H:%M:%S"),
+        #         # coordinate_reference_system ?
+        #     )
+        # )
+    plt.plot(xs, ys)
+    plt.show()