foliummap module

Map (Map)

Create a folium map object.

Parameters:

Name	Type	Description	Default
folium		Creates a map in Folium	required

Source code in rasterarea/foliummap.py

class Map(folium.Map):
    """ Create a folium map object.

    Args:
        folium: Creates a map in Folium 
    """
    def __init__(self, center=[20,0], zoom=2, **kwargs) -> None:
        """

        Args:
            center (list, optional): The Map Center. Defaults to [20,0].
            zoom (int, optional): Sets the zoom level of the map. Defaults to 2.
        """
        super().__init__(location=center, zoom_start=zoom, **kwargs)

    def add_tile_layer(self, url, name, attribution = "", **kwargs):
        """Adds a tile layer to the map.

        Args:
            url (str): The URL of the tile layer.
            name (str): The name of the tile layer
            attribution (str, optional): The attribution of the tile layer. Defaults to **
            """
        tile_layer = folium.TileLayer(
            tiles= url,
            name = name,
            attr = attribution,
            **kwargs
        )
        self.add_child(tile_layer)

    def add_basemap(self, basemap, **kwargs):   
        """Adds a basemap to the map

        Args:
            basemap: The basemap to add

        Raises:
            ValueError: Incorrect Basemap
        """
        import xyzservices.providers as xyz

        if basemap.lower() == 'roadmap':
            url = 'http://mt0.google.com/vt/lyrs=m&hl=en&x={x}&y={y}&z={z}'
            self.add_tile_layer(url, name=basemap, **kwargs ) 
        elif basemap.lower() == 'satellite':
            url = 'http://mt0.google.com/vt/lyrs=s&hl=en&x={x}&y={y}&z={z}'
            self.add_tile_layer(url, name=basemap, **kwargs)
        else:
            try:
                basemap = eval(f"xyz.{basemap}")
                url = basemap.build_url()
                attribution = basemap.attribution 
                self.add_tile_layer(url, name =basemap.name, attribution=attribution, **kwargs)
            except:
                raise ValueError(f"Basemap '{basemap}' not found")

    def add_geojson(self, data, name="GeoJSON", **kwargs):
        """Adds a GeoJSON layer to the map.

        Args:
            data (dict): The GeoJSON data.
            """

        if isinstance(data, str):
            import json
            with open(data, "r") as f:
                data = json.load(f)

        geojson = folium.GeoJson(data=data, name=name,**kwargs)
        geojson.add_to(self)

    def add_shp(self, data, name='Shapefile', **kwargs):
        """Adds a Shapefile layer to the map.

        Args:
            data (str): the path to the Shapefile.
        """
        import geopandas as gpd
        gdf = gpd.read_file(data)
        geojson = gdf.__geo_interface__
        self.add_geojson(geojson, name=name, **kwargs)

    def add_vector(self, data, name = 'Vector Data', **kwargs):
        """Adds Vector Data to the map.

        Args:
            data (str): the path to the Vector Data
            """
        import geopandas as gdp
        gdf = gdp.read_file(data)
        geojson = gdf.__geo_interface__
        self.add_geojson(geojson, name = name, **kwargs)

__init__(self, center=[20, 0], zoom=2, **kwargs) special

Parameters:

Name	Type	Description	Default
center	list	The Map Center. Defaults to [20,0].	[20, 0]
zoom	int	Sets the zoom level of the map. Defaults to 2.	2

Source code in rasterarea/foliummap.py

def __init__(self, center=[20,0], zoom=2, **kwargs) -> None:
    """

    Args:
        center (list, optional): The Map Center. Defaults to [20,0].
        zoom (int, optional): Sets the zoom level of the map. Defaults to 2.
    """
    super().__init__(location=center, zoom_start=zoom, **kwargs)

add_basemap(self, basemap, **kwargs)

Adds a basemap to the map

Parameters:

Name	Type	Description	Default
basemap		The basemap to add	required

Exceptions:

Type	Description
ValueError	Incorrect Basemap

Source code in rasterarea/foliummap.py

def add_basemap(self, basemap, **kwargs):   
    """Adds a basemap to the map

    Args:
        basemap: The basemap to add

    Raises:
        ValueError: Incorrect Basemap
    """
    import xyzservices.providers as xyz

    if basemap.lower() == 'roadmap':
        url = 'http://mt0.google.com/vt/lyrs=m&hl=en&x={x}&y={y}&z={z}'
        self.add_tile_layer(url, name=basemap, **kwargs ) 
    elif basemap.lower() == 'satellite':
        url = 'http://mt0.google.com/vt/lyrs=s&hl=en&x={x}&y={y}&z={z}'
        self.add_tile_layer(url, name=basemap, **kwargs)
    else:
        try:
            basemap = eval(f"xyz.{basemap}")
            url = basemap.build_url()
            attribution = basemap.attribution 
            self.add_tile_layer(url, name =basemap.name, attribution=attribution, **kwargs)
        except:
            raise ValueError(f"Basemap '{basemap}' not found")

add_geojson(self, data, name='GeoJSON', **kwargs)

Adds a GeoJSON layer to the map.

Parameters:

Name	Type	Description	Default
data	dict	The GeoJSON data.	required

Source code in rasterarea/foliummap.py

def add_geojson(self, data, name="GeoJSON", **kwargs):
    """Adds a GeoJSON layer to the map.

    Args:
        data (dict): The GeoJSON data.
        """

    if isinstance(data, str):
        import json
        with open(data, "r") as f:
            data = json.load(f)

    geojson = folium.GeoJson(data=data, name=name,**kwargs)
    geojson.add_to(self)

add_shp(self, data, name='Shapefile', **kwargs)

Adds a Shapefile layer to the map.

Parameters:

Name	Type	Description	Default
data	str	the path to the Shapefile.	required

Source code in rasterarea/foliummap.py

def add_shp(self, data, name='Shapefile', **kwargs):
    """Adds a Shapefile layer to the map.

    Args:
        data (str): the path to the Shapefile.
    """
    import geopandas as gpd
    gdf = gpd.read_file(data)
    geojson = gdf.__geo_interface__
    self.add_geojson(geojson, name=name, **kwargs)

add_tile_layer(self, url, name, attribution='', **kwargs)

Adds a tile layer to the map.

Parameters:

Name	Type	Description	Default
url	str	The URL of the tile layer.	required
name	str	The name of the tile layer	required
attribution	str	The attribution of the tile layer. Defaults to **	''

Source code in rasterarea/foliummap.py

def add_tile_layer(self, url, name, attribution = "", **kwargs):
    """Adds a tile layer to the map.

    Args:
        url (str): The URL of the tile layer.
        name (str): The name of the tile layer
        attribution (str, optional): The attribution of the tile layer. Defaults to **
        """
    tile_layer = folium.TileLayer(
        tiles= url,
        name = name,
        attr = attribution,
        **kwargs
    )
    self.add_child(tile_layer)

add_vector(self, data, name='Vector Data', **kwargs)

Adds Vector Data to the map.

Parameters:

Name	Type	Description	Default
data	str	the path to the Vector Data	required

Source code in rasterarea/foliummap.py

def add_vector(self, data, name = 'Vector Data', **kwargs):
    """Adds Vector Data to the map.

    Args:
        data (str): the path to the Vector Data
        """
    import geopandas as gdp
    gdf = gdp.read_file(data)
    geojson = gdf.__geo_interface__
    self.add_geojson(geojson, name = name, **kwargs)

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Last update: 2023-05-11