Add get_nhd function

leafmap/basemaps.py

@@ -92,15 +92,15 @@
 # Custom WMS tile services.
 WMS_TILES = {
     "FWS NWI Wetlands": {
-        "url": "https://www.fws.gov/wetlands/arcgis/services/Wetlands/MapServer/WMSServer?",
+        "url": "https://fwspublicservices.wim.usgs.gov/wetlandsmapservice/services/Wetlands/MapServer/WMSServer?",
         "layers": "1",
         "name": "FWS NWI Wetlands",
         "attribution": "FWS",
         "format": "image/png",
         "transparent": True,
     },
     "FWS NWI Wetlands Raster": {
-        "url": "https://www.fws.gov/wetlands/arcgis/services/Wetlands_Raster/ImageServer/WMSServer?",
+        "url": "https://fwspublicservices.wim.usgs.gov/wetlandsmapservice/services/WetlandsRaster/ImageServer/WMSServer?",
         "layers": "0",
         "name": "FWS NWI Wetlands Raster",
         "attribution": "FWS",
@@ -213,12 +213,20 @@
     },
     "USGS 3DEP Elevation": {
         "url": "https://elevation.nationalmap.gov/arcgis/services/3DEPElevation/ImageServer/WMSServer?",
-        "layers": "33DEPElevation:Hillshade Elevation Tinted",
+        "layers": "3DEPElevation:Hillshade Elevation Tinted",
         "name": "USGS 3DEP Elevation",
         "attribution": "USGS",
         "format": "image/png",
         "transparent": True,
     },
+    "USGS 3DEP Elevation Index": {
+        "url": "https://index.nationalmap.gov/arcgis/services/3DEPElevationIndex/MapServer/WMSServer?",
+        "layers": "30",
+        "name": "USGS 3DEP Elevation Index",
+        "attribution": "USGS",
+        "format": "image/png",
+        "transparent": True,
+    },
     "ESA WorldCover 2020": {
         "url": "https://services.terrascope.be/wms/v2",
         "layers": "WORLDCOVER_2020_MAP",

leafmap/common.py

@@ -6056,7 +6056,7 @@ def image_metadata(image, **kwargs):
         _, client = get_local_tile_layer(image, return_client=True, **kwargs)
     else:
         client = image
-    return client.metadata()
+    return client.metadata
 
 
 def image_bandcount(image, **kwargs):
@@ -9850,14 +9850,10 @@ def get_3dep_dem(
     try:
         import py3dep
     except ImportError:
-        raise ImportError("py3dep is not installed. Install it with pip install py3dep")
+        print("py3dep is not installed. Installing py3dep...")
+        install_package("py3dep")
 
-    try:
-        import geopandas as gpd
-    except ImportError:
-        raise ImportError(
-            "geopandas is not installed. Install it with pip install geopandas"
-        )
+    import geopandas as gpd
 
     if output is not None and os.path.exists(output) and not overwrite:
         print(f"File {output} already exists. Set overwrite=True to overwrite it")
@@ -9872,14 +9868,12 @@ def get_3dep_dem(
     if output is not None:
         if not output.endswith(".tif"):
             output += ".tif"
-        print(output)
         dem.rio.to_raster(output, **kwargs)
 
         if to_cog:
             image_to_cog(output, output)
 
-    else:
-        return dem
+    return dem
 
 
 def vector_set_crs(source, output=None, crs="EPSG:4326", **kwargs):
@@ -14263,3 +14257,85 @@ def get_overture_data(
         gdf.to_file(output)
 
     return gdf
+
+
+def construct_bbox(
+    *args: Union[float, Tuple[float, float, float, float]],
+    buffer: float = 0.001,
+    crs: str = "EPSG:4326",
+    return_gdf: bool = False,
+) -> Union["Polygon", "gpd.GeoDataFrame"]:
+    """
+    Construct a bounding box (bbox) geometry based on either a centroid point or bbox.
+
+    Args:
+        *args: Coordinates for the geometry.
+            - If 2 arguments are provided, it is interpreted as a centroid (x, y) with a buffer.
+            - If 4 arguments are provided, it is interpreted as a bbox (minx, miny, maxx, maxy).
+        buffer (float): The buffer distance around the centroid point (default is 0.01 degrees).
+        crs (str): The coordinate reference system (default is "EPSG:4326").
+        return_gdf (bool): Whether to return a GeoDataFrame (default is False).
+
+    Returns:
+        shapely.geometry.Polygon: The constructed bounding box (Polygon).
+    """
+    from shapely.geometry import box
+
+    if len(args) == 2:
+        # Case 1: Create a bounding box around the centroid point with a buffer
+        x, y = args
+        minx, miny = x - buffer, y - buffer
+        maxx, maxy = x + buffer, y + buffer
+        geometry = box(minx, miny, maxx, maxy)
+
+    elif len(args) == 4:
+        # Case 2: Create a bounding box directly from the given coordinates
+        geometry = box(args[0], args[1], args[2], args[3])
+
+    else:
+        raise ValueError(
+            "Provide either 2 arguments for centroid (x, y) or 4 arguments for bbox (minx, miny, maxx, maxy)."
+        )
+
+    if return_gdf:
+        return gpd.GeoDataFrame(geometry=[geometry], columns=["geometry"], crs=crs)
+    else:
+        return geometry
+
+
+def get_nhd(
+    geometry,
+    geo_crs=4326,
+    xy=True,
+    buffer=0.001,
+    dataset="wbd08",
+    predicate="intersects",
+    sort_attr: str | None = None,
+    **kwargs,
+):
+    try:
+        import pynhd
+    except ImportError:
+        print("The pynhd package is required for this function. Installing...")
+        install_package("pynhd")
+
+    import geopandas as gpd
+    from pynhd import WaterData
+
+    if isinstance(geometry, (list, tuple)):
+        crs = f"EPSG:{geo_crs}"
+        geometry = construct_bbox(*geometry, buffer=buffer, crs=crs, return_gdf=False)
+    elif isinstance(geometry, gpd.GeoDataFrame):
+        geometry = geometry.unary_union
+    elif isinstance(geometry, str):
+        geometry = gpd.read_file(geometry).unary_union
+
+    water_data = WaterData(dataset)
+
+    try:
+        gdf = water_data.bygeom(geometry, geo_crs, xy, predicate, sort_attr, **kwargs)
+    except Exception as e:
+        print(e)
+        gdf = None
+
+    return gdf

leafmap/leafmap.py

@@ -370,6 +370,8 @@ def add_basemap(self, basemap="HYBRID", show=True, **kwargs) -> None:
             elif basemap in basemaps and basemaps[basemap].name not in layer_names:
                 self.add(basemap)
                 self.layers[-1].visible = show
+                for param in kwargs:
+                    setattr(self.layers[-1], param, kwargs[param])
                 arc_add_layer(basemaps[basemap].url, basemap)
             elif basemap in basemaps and basemaps[basemap].name in layer_names:
                 print(f"{basemap} has been already added before.")