36 add labels

Uncomment the following line to install leafmap if needed.

In [1]:

# !pip install leafmap

# !pip install leafmap

In [2]:

import leafmap

import leafmap

Update the package if needed.

In [3]:

# leafmap.update_package()

# leafmap.update_package()

Create an interactive map.

In [4]:

data = "https://raw.githubusercontent.com/giswqs/leafmap/master/examples/data/us-states.json"

data = "https://raw.githubusercontent.com/giswqs/leafmap/master/examples/data/us-states.json"

In [5]:

Map = leafmap.Map(center=[40, -100], zoom=4, add_google_map=False, layers_control=True)

Map = leafmap.Map(center=[40, -100], zoom=4, add_google_map=False, layers_control=True)

Labeling data.

In [6]:

Map.add_labels(
    data,
    "id",
    font_size="12pt",
    font_color="blue",
    font_family="arial",
    font_weight="bold",
)
Map

Map.add_labels( data, "id", font_size="12pt", font_color="blue", font_family="arial", font_weight="bold", ) Map

---------------------------------------------------------------------------
HTTPError                                 Traceback (most recent call last)
Input In [6], in <cell line: 1>()
----> 1 Map.add_labels(
      2     data,
      3     "id",
      4     font_size="12pt",
      5     font_color="blue",
      6     font_family="arial",
      7     font_weight="bold",
      8 )
      9 Map

File ~/.local/lib/python3.9/site-packages/leafmap/foliumap.py:1807, in Map.add_labels(self, data, column, font_size, font_color, font_family, font_weight, x, y, draggable, layer_name, **kwargs)
   1804 try:
   1805     import geopandas as gpd
-> 1807     df = gpd.read_file(data)
   1808     df[x] = df.centroid.x
   1809     df[y] = df.centroid.y

File ~/.local/lib/python3.9/site-packages/geopandas/io/file.py:170, in _read_file(filename, bbox, mask, rows, **kwargs)
    167 filename = _expand_user(filename)
    169 if _is_url(filename):
--> 170     req = _urlopen(filename)
    171     path_or_bytes = req.read()
    172     reader = fiona.BytesCollection

File /opt/hostedtoolcache/Python/3.9.10/x64/lib/python3.9/urllib/request.py:214, in urlopen(url, data, timeout, cafile, capath, cadefault, context)
    212 else:
    213     opener = _opener
--> 214 return opener.open(url, data, timeout)

File /opt/hostedtoolcache/Python/3.9.10/x64/lib/python3.9/urllib/request.py:523, in OpenerDirector.open(self, fullurl, data, timeout)
    521 for processor in self.process_response.get(protocol, []):
    522     meth = getattr(processor, meth_name)
--> 523     response = meth(req, response)
    525 return response

File /opt/hostedtoolcache/Python/3.9.10/x64/lib/python3.9/urllib/request.py:632, in HTTPErrorProcessor.http_response(self, request, response)
    629 # According to RFC 2616, "2xx" code indicates that the client's
    630 # request was successfully received, understood, and accepted.
    631 if not (200 <= code < 300):
--> 632     response = self.parent.error(
    633         'http', request, response, code, msg, hdrs)
    635 return response

File /opt/hostedtoolcache/Python/3.9.10/x64/lib/python3.9/urllib/request.py:561, in OpenerDirector.error(self, proto, *args)
    559 if http_err:
    560     args = (dict, 'default', 'http_error_default') + orig_args
--> 561     return self._call_chain(*args)

File /opt/hostedtoolcache/Python/3.9.10/x64/lib/python3.9/urllib/request.py:494, in OpenerDirector._call_chain(self, chain, kind, meth_name, *args)
    492 for handler in handlers:
    493     func = getattr(handler, meth_name)
--> 494     result = func(*args)
    495     if result is not None:
    496         return result

File /opt/hostedtoolcache/Python/3.9.10/x64/lib/python3.9/urllib/request.py:641, in HTTPDefaultErrorHandler.http_error_default(self, req, fp, code, msg, hdrs)
    640 def http_error_default(self, req, fp, code, msg, hdrs):
--> 641     raise HTTPError(req.full_url, code, msg, hdrs, fp)

HTTPError: HTTP Error 404: Not Found

Remove labels

In [7]:

Map.remove_labels()

Map.remove_labels()

The folium plotting backend does not support removing labels.

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Last update: 2022-03-14