我有两个不同的数据集(x0,y0),(x1,y1)。我需要创建两个图并使用下拉菜单在它们之间进行选择。
我正在使用这段代码:
import plotly
import plotly.graph_objs as go
import random
x0 = [x for x in range(0,20)]
x1 = [x for x in range(5,100)]
y0 = [random.randint(0,20) for x in range(len(x0))]
y1 = [random.randint(0,50) for x in range(len(x1))]
trace1 = go.Scatter(x=x0,y=y0,line=dict(shape='vh'))
trace2 = go.Scatter(x=x1,y=y1,line=dict(shape='vh'))
data = [trace1,trace2]
updatemenus = list([
dict(active=0,
buttons=list([
dict(label = "4 Aug 1",
method = "update",
args= [data[0]]),
dict(label = "4 Aug 2",
method = "update",
args= [data[1]])]))])
layout = dict(title="Dropdown",
showlegend=True,
xaxis=dict(title="Hours"),
yaxis=dict(title="Number"),
updatemenus=updatemenus)
fig=dict(data=data, layout=layout)
plotly.offline.plot(fig)
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使用这段代码,它将两个数据集绘制到一个区域中,这是我不想做的。当我在下拉菜单上选择正确的图表时,它只是无法加载正确的图表。
问题是您直接将跟踪分配给args. 相反,您应该使用该visible属性来控制哪些跟踪data可见:
updatemenus = list([
dict(active=0,
showactive = True,
buttons=list([
dict(label = "4 Aug 1",
method = "update",
args = [{"visible": [True, False]}]), # hide trace2
dict(label = "4 Aug 2",
method = "update",
args = [{"visible": [False, True]}]) # hide trace1
]))])
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如果您只想在页面加载时显示第一条轨迹,则还需要显式地将visible第二条轨迹的属性设置为False:
trace1 = go.Scatter(x=x0,y=y0,line=dict(shape='vh'))
trace2 = go.Scatter(x=x1,y=y1,line=dict(shape='vh'), visible=False)
data = [trace1,trace2]
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请参阅官方 Plotly 示例。
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