[英]Plotly Figure: Add grid
我想創建一個坐標 Plot:
fig = go.Figure(layout=dict(title="Pokemon Stats by Type"),
data=
go.Parcoords(
line = dict(color = newdf['Type_enc'],
colorscale = [(0.0, "red"), (0.5, "red"), (0.5, "rgba(0, 0, 255, 0.7)"), (1.0, "rgba(0, 0, 255, 0.7)")],
showscale = True,
colorbar=dict(title="Type",tickvals=[0,1],ticktext=["Fire","Water"])),
dimensions = list([
dict(range = [0,cap],
label = 'Attack', values = newdf["Attack"]),
dict(range = [0,cap],
tickvals = [0,180],
ticktext = ['0', '180'],
label = 'Defense', values = newdf["Defense"]),
dict(range = [0,cap],
tickvals = [0,180],
ticktext = ['0', '180'],
label = 'HP', values = newdf["HP"]),
dict(range = [0,cap],
tickvals = [0,180],
ticktext = ['0', '180'],
label = 'Sp.Attack', values = newdf["Sp.Attack"]),
dict(range = [0,cap],
tickvals = [0,180],
ticktext = ['0', '180'],
label = 'Sp.Defense', values = newdf["Sp.Defense"]),
dict(range = [0,cap],
tickvals = [0,180],
ticktext = ['0', '180'],
label = 'Speed', values = newdf["Speed"])
]),
)
)
我試圖在圖中添加一個網格,但這段代碼似乎不起作用:
fig.update_xaxes(
gridcolor="black",
dtick=25,showgrid=True)
fig.update_yaxes(
gridcolor="black",
dtick=25,showgrid=True)
誰能幫我添加那個網格? 先感謝您!
我不認為網格功能是在 plotly 的平行坐標圖中實現的。 所以我通過添加水平線制作了一個偽網格。 由於數據的呈現不能在圖像中重復使用,所以我根據參考中的示例以0到8的兩個單元繪制了線條。 應修改此指定值以適合您的數據; 它略微偏離 y 軸刻度,但您可以決定此錯誤是否可以接受。
import plotly.graph_objects as go
import numpy as np
import pandas as pd
df = pd.read_csv("https://raw.githubusercontent.com/bcdunbar/datasets/master/iris.csv")
fig = go.Figure()
for i in np.arange(0, 9, 2.0):
fig.add_hline(y=i, line_color='#2a3f5f', line_width=0.5)
fig.add_trace(go.Parcoords(
line = dict(color = df['species_id'],
colorscale = [[0,'purple'],[0.5,'lightseagreen'],[1,'gold']]),
dimensions = list([
dict(range = [0,8],
constraintrange = [4,8],
label = 'Sepal Length', values = df['sepal_length']),
dict(range = [0,8],
label = 'Sepal Width', values = df['sepal_width']),
dict(range = [0,8],
label = 'Petal Length', values = df['petal_length']),
dict(range = [0,8],
label = 'Petal Width', values = df['petal_width'])
])
)
)
fig.update_xaxes(showticklabels=False)
fig.update_yaxes(showticklabels=False)
fig.update_layout(plot_bgcolor = 'white', paper_bgcolor = 'white')
fig.show()
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