Import plotly.figure_factory as ff import numpy as np import pandas as pd df_sample = pd. Projection ( type = 'albers usa' ), showlakes = True, # lakes lakecolor = 'rgb(255, 255, 255)' ), ) fig. update_layout ( title_text = '2011 US Agriculture Exports by State(Hover for breakdown)', geo = dict ( scope = 'usa', projection = go. astype ( float ), locationmode = 'USA-states', colorscale = 'Reds', autocolorscale = False, text = df, # hover text marker_line_color = 'white', # line markers between states colorbar_title = "Millions USD" )) fig. 'Fruits ' + df + ' Veggies ' + df + '' + \ Import aph_objects as go import pandas as pd df = pd. Here we load a GeoJSON file containing the geometry information for US counties, where feature.id is a FIPS code. Plotly Express is the easy-to-use, high-level interface to Plotly, which operates on a variety of types of data and produces easy-to-style figures. Note the geojson attribute can also be the URL to a GeoJSON file, which can speed up map rendering in certain cases. The GeoJSON data is passed to the geojson argument, and the data is passed into the color argument of px.choropleth ( z if using graph_objects), in the same order as the IDs are passed into the location argument. A list of values indexed by feature identifier.one of the built-in geometries within plotly: US states and world countries (see below).This can either be a supplied GeoJSON file where each feature has either an id field or some identifying value in properties or.Making choropleth maps requires two main types of input: Introduction: main parameters for choropleth outline maps ¶ Plotly figures made with Plotly Express px.scatter_geo, px.line_geo or px.choropleth functions or containing go.Choropleth or go.Scattergeo graph objects have a go.layout.Geo object which can be used to control the appearance of the base map onto which data is plotted. This page documents how to build outline choropleth maps, but you can also build choropleth tile maps using our Mapbox trace types.īelow we show how to create Choropleth Maps using either Plotly Express' px.choropleth function or the lower-level go.Choropleth graph object. It is used to represent spatial variations of a quantity. A Choropleth Map is a map composed of colored polygons.
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