20230220C.py

import plotly.io as pio
import plotly.express as px

pio.renderers.default = 'notebook'

# px.set_mapbox_access_token('SET_ME')
fig = px.scatter_mapbox(
    df,
    lat='latitude',
    lon='longitude',
    #hover_name='shopping_centre',
    #hover_data= {
    #    'region': False,
    #    'longitude': False,
    #    'latitude': False,
    #    'city_town': True,
    #    'size_sq_m': True
    #},
    custom_data=['shopping_centre', 'longitude', 'latitude', 'city_town', 'size_sq_m'],
    color='size_sq_m',
    opacity=0.6,
    color_continuous_scale='Electric',
    size='size_sq_m',
    mapbox_style='carto-positron',
    # mapbox_style='basic'  # Requires setting a mapbox access token: px.set_mapbox_access_token('SET_ME')
    width=1000,
    height=800,
    zoom=5,
    )

fig.update_layout(
    hoverlabel=dict(
        bgcolor='#eeeeee',
        bordercolor='#666666',
        font_size=20,
        font_family='Bebas Neue',
        font_color='#333333',
    ),
    title=dict(
        text='U.K. Shopping Centres by size',
        font_size=42,
        font_family='Bebas Neue',
        font_color='black',
        x=0.5,
        y=0.95
    ),
    margin_t=100   
)

fig.update_coloraxes(
    colorbar=dict(
        exponentformat='none',
        len=0.5,
        orientation='v',
        tickfont_family='Bebas Neue',
        tickfont_size=20,
        tickfont_color='#666',
    ),
    colorbar_title=dict(
        text='Area (sq.m)',
        font_size=30,
        font_family='Bebas Neue',
        font_color='#333',
        side='right',
    )
)

fig.update_traces(
    
    hovertemplate='<b>%{customdata[0]}</b><br>%{customdata[3]}<br>%{customdata[4]:,} sq.m'
)

fig.update_mapboxes(
    center_lat=54,
    center_lon=-2.5,
)

fig.add_annotation(
    text='Source: https://en.wikipedia.org/wiki/List_of_shopping_centres_in_the_United_Kingdom_by_size',
    showarrow=False,
    x=0.5,
    y=-0.05,
    font_family='Ubuntu Light',
)

fig.show()