【问题标题】:Plotly: How to make the x and y axis titles for subplots bigger?Plotly:如何使子图的 x 和 y 轴标题更大?
【发布时间】:2021-01-03 17:53:58
【问题描述】:

我创建了一个子图,老实说,在 plotly 文档中并不清楚如何使这些标题更大。

https://plotly.com/python-api-reference/generated/plotly.subplots.make_subplots.html

这是他们谈论设置 x_axis 标题和 y_axis 标题的参考文档。我做了,但我似乎找不到修改它的方法。


fig = make_subplots(
    rows=6, cols=4,
    subplot_titles=subplot_titles,
    y_title='Distance (Å)',
    x_title='Resid ID'
)

positions = [
                [1, 1], [1, 2], [1, 3], [1, 4],
                [2, 1], [2, 2], [2, 3], [2, 4],
                [3, 1], [3, 2], [3, 3], [3, 4],
                [4, 1], [4, 2], [4, 3], [4, 4],
                [5, 1], [5, 2], [5, 3], [5, 4],
                [6, 1], [6, 2], [6, 3], [6, 4],
            ]


for i in range(0, len(segids)):
    
    fig.add_trace(
        go.Scattergl(
            x=resid_titles,
            y=list(copy[segids[i]].values()),
            line=dict(color=colors[0]),
            
        ),
        
        
        row=int(positions[i][0]), 
        col=int(positions[i][1])
    )
    

# Set title
fig.update_layout(title_text="Average O5-O3 Distance Per Resid Per Chain")

fig.update_layout(
    title_font_family="Arial",
    title_font_color="Black",
    title_font=dict(size=44, family='Courier'),

)

# Remove the Legend
fig.update_layout(showlegend=False)

fig.update_xaxes(
                 ticks="outside",
                 tickwidth=2,
                 tickcolor='black',
                 tickfont=dict(family='Arial', color='black', size=22),
                 title_font=dict(size=44, family='Arial'),
                 range=[1, 9],
)

fig.update_yaxes(
                 ticks="outside", 
                 tickwidth=2,
                 tickcolor='black', 
                 tickfont=dict(family='Arial', color='black', size=22),
                 title_font=dict(size=44, family='Arial'),
                 range=[2, 5]
)

我尝试过使用他们的 update_xaxes 功能,但不起作用。

“Resid ID”和“Distance”轴标题 -> 我希望它们更大,也许可以改变颜色。有没有办法做到这一点,我只是想念?

这是一张供参考的图片

【问题讨论】:

    标签: python python-3.x plotly plotly-python


    【解决方案1】:

    答案:

    你可以使用:

    fig.for_each_xaxis(lambda axis: axis.title.update(font=dict(color = 'blue', size=20)))
    

    一些细节:

    基于 plotly 文档中的子图示例,以下 sn-p...

    fig.for_each_xaxis(lambda axis: axis.title.update(font=dict(size=24)))
    fig.for_each_yaxis(lambda axis: axis.title.update(font=dict(size=24)))
    

    ...会变成这样:

    ...进入这个:

    完整代码:

    from plotly.subplots import make_subplots
    import plotly.graph_objects as go
    
    # Initialize figure with subplots
    fig = make_subplots(
        rows=2, cols=2, subplot_titles=("Plot 1", "Plot 2", "Plot 3", "Plot 4")
    )
    
    # Add traces
    fig.add_trace(go.Scatter(x=[1, 2, 3], y=[4, 5, 6]), row=1, col=1)
    fig.add_trace(go.Scatter(x=[20, 30, 40], y=[50, 60, 70]), row=1, col=2)
    fig.add_trace(go.Scatter(x=[300, 400, 500], y=[600, 700, 800]), row=2, col=1)
    fig.add_trace(go.Scatter(x=[4000, 5000, 6000], y=[7000, 8000, 9000]), row=2, col=2)
    
    # Update xaxis properties
    fig.update_xaxes(title_text="xaxis 1 title", row=1, col=1)
    fig.update_xaxes(title_text="xaxis 2 title", range=[10, 50], row=1, col=2)
    fig.update_xaxes(title_text="xaxis 3 title", showgrid=False, row=2, col=1)
    fig.update_xaxes(title_text="xaxis 4 title", type="log", row=2, col=2)
    
    # Update yaxis properties
    fig.update_yaxes(title_text="yaxis 1 title", row=1, col=1)
    fig.update_yaxes(title_text="yaxis 2 title", range=[40, 80], row=1, col=2)
    fig.update_yaxes(title_text="yaxis 3 title", showgrid=False, row=2, col=1)
    fig.update_yaxes(title_text="yaxis 4 title", row=2, col=2)
    
    # Update title and height
    fig.update_layout(title_text="Customizing Subplot Axes", height=700)
    
    # change subplot axes font size
    fig.for_each_xaxis(lambda axis: axis.title.update(font=dict(color = 'blue', size=20)))
    fig.for_each_yaxis(lambda axis: axis.title.update(font=dict(color = 'blue', size=20)))
    
    fig.show()
    

    【讨论】:

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