散点图散点图框，无法向标记添加文本 [英] Plotly Scattermapbox, unable to add text to markers

问题描述

我正在尝试向下面的地图添加文本，原始代码是从我试图复制

我正在尝试获得更像这样的结果

任何建议将不胜感激

解决方案

我遇到了同样的问题，请尝试以下操作:

1. 包括文本"在Scattermapbox模式下，并指定要显示的字符串或字符串数​​组:

fig.add_trace(go.Scattermapbox(模式=标记+文本"，#包含文本模式lon = longlist，lat = latlist，marker = {'size':10}，text = textlist)) # 包含文本列表 

2. 尝试使用另一种mapbox样式，例如"light":

  layout = dict(margin = dict(l = 0，t = 0，r = 0，b = 0，pad = 0)，mapbox = dict(accesstoken = mapbox_access_token，center = dict(lat = -20，lon = -20)，style ='light'，#更改地图框样式zoom = 1)) 

I am trying to add text to the plotly map below, original code modified from https://plotly.com/python/lines-on-mapbox/

import plotly.graph_objects as go

fig = go.Figure(go.Scattermapbox(
    mode = "markers",

    marker = {'size': 10}))

fig.add_trace(go.Scattermapbox(
    mode = "markers",
    lon = longlist,
    lat = latlist,
    marker = {'size': 10}))



fig.update_layout(
    margin ={'l':0,'t':0,'b':0,'r':0},
    mapbox = {
        
        'style': "stamen-terrain",
        'center': {'lon': -20, 'lat': -20},
        'zoom': 1})

fig.show()

I have tried to copy the solution provided at Plotly Scattermapbox: Is there a way to include some text above and below the markers?

See my edited code below which includes new text code to retrieve data from magnitudelist and new code for mapbox_access_token

import plotly.graph_objects as go

mapbox_access_token = 'mytoken'


fig = go.Figure(go.Scattermapbox(
    mode = "markers",

    marker = {'size': 10}))

data = fig.add_trace(go.Scattermapbox(
    mode = "markers",
    lon = longlist,
    lat = latlist,
    marker = {'size': 10},
    textposition='top right',
    textfont=dict(size=16, color='black'),
    text = magnitudelist
))


layout = dict(margin=dict(l=0, t=0, r=0, b=0, pad=0),
              mapbox=dict(accesstoken=mapbox_access_token,
                          center=dict(lat=-20, lon=-20),
                          style='stamen-terrain',
                          zoom=1))


fig = go.Figure(data=data, layout=layout)
fig.show()

Result blank

I am trying to get a result more like this

Any suggestions would be appreciated

解决方案

I had the same problem, try the following:

1. Include "text" in the Scattermapbox mode and specify a string or array of strings to show:

fig.add_trace(go.Scattermapbox(
      mode = "markers+text", # include text mode
      lon = longlist,
      lat = latlist,
      marker = {'size': 10},
      text = textlist)) # include text list

2. Try another mapbox style, like "light":

layout = dict(margin=dict(l=0, t=0, r=0, b=0, pad=0),
              mapbox=dict(accesstoken=mapbox_access_token,
                          center=dict(lat=-20, lon=-20),
                          style='light', # change mapbox style
                          zoom=1))

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