添加下拉按钮以绘图表达等值线图
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【中文标题】添加下拉按钮以绘图表达等值线图【英文标题】:Add dropdown button to plotly express choropleth map 【发布时间】:2021-11-13 01:07:01 【问题描述】:我已经看到了这个,我正在尝试构建这个解决方案 (Dropdown menu for Plotly Choropleth Map Plots),但我不断收到可见部分的错误,这是我的代码。
import pandas as pd
import numpy as np
import plotly.graph_objs as go
import plotly.express as px
# Data
cols_dd = ["Total tests", "Total cases", "Total deaths"]
#
visible = np.array(cols_dd)
# define traces and buttons at once
traces = []
buttons = []
for value in cols_dd:
traces.append(px.choropleth(df,
locations="Iso code", # Spatial coordinates
color=value, # Data to be color-coded
hover_data='Iso code':False, 'Vaccines':True, 'Total tests':': ,0.f', 'Recent cases':': ,0.f', 'Total cases':': ,0.f','Total deaths':': ,0.f','Total vaccinations':': ,0.f','People vaccinated':': ,0.f','Population':': ,0.f','Vaccination policy':': 0.f',
color_continuous_scale="spectral_r",
hover_name="Location",)).update_traces(visible= True if value==cols_dd[0] else False)
buttons.append(dict(label=value, method="update", args=["visible":list(visible==value), "title":f"<b>value</b>"]))
updatemenus = ["active":0,"buttons":buttons]
layout = go.Layout(
showlegend=True,
font=dict(size=12),
width = 800,
height = 500,
margin=dict(l=0,r=0,b=0,t=40)
)
# Show figure
fig = go.Figure(data=traces, layout=dict(updatemenus=updatemenus))
# This is in order to get the first title displayed correctly
first_title = cols_dd[0]
fig.update_layout(layout)
fig.update_geos(scope="africa")
fig.update_layout(title=f"<b>first_title</b>",title_x=0.5)
fig.show()
我收到错误消息“NoneType”对象没有属性“update_traces”,如果有可能修复破折号,将不胜感激
【问题讨论】:
您有任何数据可以在我的环境中尝试吗?另外,可见性不应该包含在等值线中吗? 只要县 iso_code 和每列的随机数就可以了,例如这里有一些国家 ZWE、ZMB、UGA、TUN、TGO 的 iso 代码。至于可见的那是我在使用它时遇到问题的地方,而不是图形对象 【参考方案1】: OWID 数据几乎就是您所使用的。列名略有不同,因此重命名为使用 从根本上说,系统地构建跟踪和布局的方式 为每个跟踪创建了 colorbar 配置,以确保其响应速度更快 扩展了 cols_dd 以展示如何使用它来绘制更多指标 根据 cmets 包括 scatter 和 choroplethimport pandas as pd
import numpy as np
import plotly.express as px
import plotly.graph_objects as go
import itertools
# get OWID data
df = pd.read_csv(
"https://raw.githubusercontent.com/owid/covid-19-data/master/public/data/latest/owid-covid-latest.csv"
)
# rename columns as sample code uses other names....
df = df.rename(
columns=
"location": "Location",
"iso_code": "Iso code",
"total_tests": "Total tests",
"people_vaccinated_per_hundred": "Vaccines",
"new_cases": "Recent cases",
"total_cases": "Total cases",
"total_deaths": "Total deaths",
"total_vaccinations": "Total vaccinations",
"people_vaccinated": "People vaccinated",
"population": "Population",
"total_boosters": "Vaccination policy",
).fillna(0)
cols_dd = ["Total tests", "Total cases", "Total deaths", "Recent cases", "new_deaths"]
hd =
"Iso code": False,
"Vaccines": True,
"Total tests": ": ,0.f",
"Recent cases": ": ,0.f",
"Total cases": ": ,0.f",
"Total deaths": ": ,0.f",
"Total vaccinations": ": ,0.f",
"People vaccinated": ": ,0.f",
"Population": ": ,0.f",
"Vaccination policy": ": 0.f",
fig = go.Figure()
for i, value in enumerate(cols_dd):
# use a different color axis for each trace... makes it more responsive
ca = f"coloraxisi+2"
figc = px.choropleth(
df,
locations="Iso code", # Spatial coordinates
color=value, # Data to be color-coded
hover_data=hd,
color_continuous_scale="spectral_r",
hover_name="Location",
).update_traces(visible=False, coloraxis=ca)
figs = px.scatter_geo(
df,
locations="Iso code", # Spatial coordinates
color=value, # Data to be color-coded
hover_data=hd,
color_continuous_scale="spectral_r",
hover_name="Location",
).update_traces(visible=False, marker="coloraxis": ca)
fig = fig.add_traces(figc.data)
fig = fig.add_traces(figs.data)
fig = fig.update_layout(
ca:
"cmin": df[value].replace(0, np.nan).quantile(0.25),
"cmax": df[value].replace(0, np.nan).quantile(0.75),
"colorbar": "title": value,
)
fig.update_layout(
updatemenus=[
"buttons": [
"label": f"m - p",
"method": "update",
"args": [
"visible": [
(m2 == m and p2 == p)
for m2, p2 in itertools.product(
cols_dd, ["choropleth", "scatter"]
)
]
,
"title": f"<b>m</b>",
],
for m, p in itertools.product(cols_dd, ["choropleth", "scatter"])
]
],
margin="l": 0, "r": 0, "t": 25, "b": 0,
)
【讨论】:
非常感谢 rob,这效果很好,请问我是否可以再问一个问题......如果我想在散点图上重复相同的过程但使用 2 滴在哪里我可以在两边的变量(例如 Total tests 和 Total cases,或 Recent cases 和 Total cases )之间切换,你能不能给我分享一个示例解决方案。我尝试用字典替换这个 (cols_dd = ["Total tests", "Total cases", "Total death"] ) 和 this (for value in cols_dd: ) with for k,v in cols_dd.items(): and使用 k 和 v 代替值,但它返回错误。 已更新 - 使用 updatemenus 中的列表创建更多跟踪和控制可见性的情况 感谢您的时间和回复,但我的意思不是在等值线图中,我的意思是尝试构建一个完全不同的散点图。我在这里用更好的例子和解释问了这个问题***.com/questions/69242033/… 关于我的第一个问题,我非常满意和感激。 我已经回答了第二个问题,如果这些答案符合您的问题,请考虑遵循 SO 礼仪并接受答案以上是关于添加下拉按钮以绘图表达等值线图的主要内容,如果未能解决你的问题,请参考以下文章