来自 CSV 的 Plotly 标记大小

问题描述 投票:0回答:0

我对使用 plotly 很陌生,需要帮助微调新英格兰的散点图。我想增加地图中标记的大小,但似乎做不到。谁能帮忙?

import plotly.express as px
import pandas as pd
import plotly.graph_objects as go


df = pd.read_csv('https://raw.github.khoury.northeastern.edu/acroak/5800_group_project/main/5800_dataset.csv?token=GHSAT0AAAAAAAAANVYK5KIZUPNUSFWYMFPAZCLXTFQ')

print(df.head(10))
print(df.tail(10))

fig = px.scatter_mapbox(df,
                        lon = df['long'], 
                        lat = df['lat'],
                        hover_name = df['Place'],
                        zoom = 7,
                        width = 1200,
                        height = 900,
                        size_max = 25,
                        title = 'Spooky Map')

fig.update_layout(mapbox_style="open-street-map")
fig.update_layout(margin={"r":0, "t":50, "l":0, "b":10})
fig.show()

到目前为止,我已经尝试使用 size 和 size_max 作为无花果中的参数,但没有做任何事。

python plotly scatter-plot
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