8000 Added a new example to create error boxes using a PatchCollection by tmdavison · Pull Request #6596 · matplotlib/matplotlib · GitHub
[go: up one dir, main page]
Skip to content

Added a new example to create error boxes using a PatchCollection #6596

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Jun 18, 2016
Merged

Added a new example to create error boxes using a PatchCollection #6596

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
cd778db
Added a new example to create error boxes using a PatchCollection
tmdavison Jun 16, 2016
7f412e8
Modfied for PEP8 compatibility
tmdavison Jun 16, 2016
62f58e2
Some style changes to address comments on the pull request
tmdavison Jun 17, 2016
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
48 changes: 48 additions & 0 deletions examples/statistics/errorbars_and_boxes.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
'''
Example to create boxes from error using PatchCollection
'''

import numpy as np
import matplotlib.pyplot as plt
from matplotlib.collections import PatchCollection
from matplotlib.patches import Rectangle

# Number of data points
n = 5

# Dummy data
x = np.arange(0, n, 1)
y = np.random.rand(n)*5.

# Dummy errors (above and below)
xerr = np.random.rand(2, n)
yerr = np.random.rand(2, n)

# Create figure and axes
fig, ax = plt.subplots(1)


def make_error_boxes(ax, xdata, ydata, xerror, yerror, fc='r', ec='None', alpha=0.5):

# Create list for all the error patches
errorboxes = []

# Loop over data points; create box from errors at each point
for xc, yc, xe, ye in zip(xdata, ydata, xerror.T, yerror.T):
rect = Rectangle((xc-xe[0], yc-ye[0]), xe.sum(), ye.sum())
errorboxes.append(rect)

# Create patch collection with specified colour/alpha
pc = PatchCollection(errorboxes, facecolor=fc, alpha=alpha, edgecolor=ec)

# Add collection to axes
ax.add_collection(pc)

# Plot errorbars
ax.errorbar(xdata, ydata, xerr=xerror, yerr=yerror, fmt='None', ecolor='k')


# Call function to create error boxes
make_error_boxes(ax, x, y, xerr, yerr)

plt.show()
0