python - 如何使用不确定性条或等效物创建 3D 曲面图?
问题描述
目标是创建一个 3D 曲面图,其中包含不确定性条或其他一些清晰的不确定性可视化,如下所示:
目前,我有以下情节:
这使用以下代码生成:
from io import StringIO
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
import pandas as pd
import seaborn as sns
data_string = StringIO(
"""
V1, V2, V3, V4, V5
110,111,109,107,108
101,101,102,102,102
102,102,103,103,103
103,103,104,104,104
100,101,100,100,100
"""
)
uncertainties_string = StringIO(
"""
V1U,V2U,V3U,V4U,V5U
5, 5, 5, 5, 7
5, 5, 3, 5, 5
6, 5, 5, 5, 5
5, 6, 5, 2, 5
5, 5, 5, 5, 5
"""
)
data = pd.read_csv(data_string)
uncertainties = pd.read_csv(uncertainties_string)
df = data.unstack().reset_index()
df.columns = ["X", "Y", "Z"]
df['X'] = pd.Categorical(df['X'])
df['X'] = df['X'].cat.codes
fig = plt.figure()
ax = fig.gca(projection='3d')
surf = ax.plot_trisurf(df['Y'], df['X'], df['Z'], cmap=plt.cm.jet, linewidth=0.01)
fig.colorbar(surf)
plt.show()
解决方案
我不确定是否有内置功能,但我玩得很开心:我为每个数据点制作了两个误差线(一个用于上面的部分,一个用于下面的部分),并用不同的方式绘制它们zorder
:
# get errors into the same format as data
df_unc = uncertainties.unstack().reset_index()
df_unc.columns = ["X", "Y", "Z"]
df_unc['X'] = pd.Categorical(df_unc['X'])
df_unc['X'] = df_unc['X'].cat.codes
# compute lower and upper values for errorbars
df['z_low'] = df['Z'] - df_unc['Z']
df['z_high'] = df['Z'] + df_unc['Z']
# plot surface with middle value for zorder
surf = ax.plot_trisurf(df['Y'], df['X'], df['Z'], cmap=plt.cm.jet, linewidth=0.01, zorder=2)
# plot lines with lower and higher zorder, respectively
for ix, row in df.iterrows():
ax.plot((row['Y'], row['Y']), (row['X'], row['X']), (row['z_low'], row['Z']), c='k', zorder=1)
ax.plot((row['Y'], row['Y']), (row['X'], row['X']), (row['Z'], row['z_high']), c='k', zorder=3)
推荐阅读
- python - 将sqlalchemy输出转换为python中的列表字典
- c# - 如果“is”为假,如何输出变量?
- javascript - 离子输入禁用不透明度
- c# - Blazor WASM - Global Catch 401 并导航到所有 HttpClient 调用的登录页面
- c# - WinForms c# 应用程序从 AutoMapper 9 升级到 10 问题
- java - 自定义属性在自定义主题中不起作用
- python - Python - 从同一个函数调用中获得不同的结果
- filepond - 使用 FilePond 我的隐藏输入值 =“未定义”和 JSON 响应
- node.js - 如何在 cpanel 共享主机上托管 expressjs 应用程序?
- c# - 如何解决获取实际应用路径base .net Staandard libaray 2.0的发布