Plotly入门（一）scatter_application
本帖最后由 hj170520 于 2020-6-16 10:50 编辑入门代码（一）
# scatter_application
```
# -*- coding: utf-8 -*-
import pandas as pd
import plotly as py
import plotly.graph_objs as pygo
# ----------pre def
pd.set_option('display.width', 450)
pyplt = py.offline.plot
# ----------code
df = pd.read_csv('dat/tk01_m15.csv')
df9 = df[:10]
print(df9)
#
idx = df9['xtim']
xd0 = (df9['close'] - 27) * 50
df2 = df9
df2['xd1'] = xd0 - 10
df2['xd2'] = xd0
df2['xd3'] = xd0 + 10
print('xd2\n', df2)
# --------
xtr1 = pygo.Scatter(
x=idx,
y=df2['xd1'],
mode='markers',# xtr1,散点图
name='xtr1-markers'
)
xtr2 = pygo.Scatter(
x=idx,
y=df2['xd2'],
mode='lines',# xtr2,曲线图
name='xtr2-lines'
)
xtr3 = pygo.Scatter(
x=idx,
y=df2['xd3'],
mode='markers+lines',# xtr3,曲线+散点组合
name='xtr3-markers+lines'
)
xdat = pygo.Data()
layout = pygo.Layout(
title='收盘价--15分钟分时数据',
xaxis=pygo.XAxis(tickangle=-15)
)
fig = pygo.Figure(data=xdat, layout=layout)
pyplt(fig,filename=r'tmp\\scatter_apply.html', image='png')
# Because it's going through another layer of interpretation,
# you need to escape the escapes -- essentially, you need to double the backslashes:
# #
print('ok')
```
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