72,835 questions
3265
votes
16
answers
6.4m
views
How do I change the size of figures drawn with Matplotlib?
How do I change the size of figure drawn with Matplotlib?
- 38.7k
1801
votes
25
answers
3.2m
views
Save plot to image file instead of displaying it
This displays the figure in a GUI:
import matplotlib.pyplot as plt
plt.plot([1, 2, 3], [1, 4, 9])
plt.show()
But how do I instead save the figure to a file (e.g. foo.png)?
- 69.1k
1723
votes
18
answers
2.1m
views
How to put the legend outside the plot
I have a series of 20 plots (not subplots) to be made in a single figure. I want the legend to be outside of the box. At the same time, I do not want to change the axes, as the size of the figure gets ...
- 17.2k
969
votes
12
answers
1.1m
views
956
votes
11
answers
1.4m
views
How to make IPython notebook matplotlib plot inline
I am trying to use IPython notebook on MacOS X with Python 2.7.2 and IPython 1.1.0.
I cannot get matplotlib graphics to show up inline.
import matplotlib
import numpy as np
import matplotlib.pyplot as ...
- 10.6k
933
votes
17
answers
2.3m
views
How to change the font size on a matplotlib plot
How does one change the font size for all elements (ticks, labels, title) on a matplotlib plot?
I know how to change the tick label sizes, this is done with:
import matplotlib
matplotlib.rc('xtick',...
- 48.7k
932
votes
12
answers
2.6m
views
How do I set the figure title and axes labels font size?
I am creating a figure in Matplotlib like this:
from matplotlib import pyplot as plt
fig = plt.figure()
plt.plot(data)
fig.suptitle('test title')
plt.xlabel('xlabel')
plt.ylabel('ylabel')
fig.savefig(...
- 14.2k
794
votes
15
answers
1.9m
views
Changing the tick frequency on the x or y axis
I am trying to fix how python plots my data. Say:
x = [0, 5, 9, 10, 15]
y = [0, 1, 2, 3, 4]
matplotlib.pyplot.plot(x, y)
matplotlib.pyplot.show()
The x axis' ticks are plotted in intervals of 5. Is ...
- 13.1k
772
votes
4
answers
1.2m
views
When to use cla(), clf() or close() for clearing a plot
Matplotlib offers these functions:
cla() # Clear axis
clf() # Clear figure
close() # Close a figure window
When should I use each function and what exactly does it do?
- 7,741
733
votes
10
answers
2.0m
views
How to set the axis limits in Matplotlib?
I need help with setting the limits of y-axis on matplotlib. Here is the code that I tried, unsuccessfully.
import matplotlib.pyplot as plt
plt.figure(1, figsize = (8.5,11))
plt.suptitle('plot title')...
- 33.9k
690
votes
6
answers
1.8m
views
How do I change the figure size with subplots?
How do I increase the figure size for this figure?
This does nothing:
f.figsize(15, 15)
Example code from the link:
import matplotlib.pyplot as plt
import numpy as np
# Simple data to display in ...
- 15k
668
votes
7
answers
2.0m
views
pyplot scatter plot marker size
In the pyplot document for scatter plot:
matplotlib.pyplot.scatter(x, y, s=20, c='b', marker='o', cmap=None, norm=None,
vmin=None, vmax=None, alpha=None, linewidths=None,
...
- 12.5k
657
votes
13
answers
1.4m
views
Rotate axis tick labels
I can't figure out how to rotate the text on the X Axis. Its a time stamp, so as the number of samples increase, they get closer and closer until they overlap. I'd like to rotate the text 90 degrees ...
- 19.5k
613
votes
7
answers
1.6m
views
Plot logarithmic axes
I want to plot a graph with one logarithmic axis using matplotlib.
Sample program:
import matplotlib.pyplot as plt
a = [pow(10, i) for i in range(10)] # exponential
fig = plt.figure()
ax = fig....
Jim
605
votes
8
answers
560k
views
What does the argument mean in fig.add_subplot(111)?
Sometimes I come across code such as this:
import matplotlib.pyplot as plt
x = [1, 2, 3, 4, 5]
y = [1, 4, 9, 16, 25]
fig = plt.figure()
fig.add_subplot(111)
plt.scatter(x, y)
plt.show()
Which ...
- 20.2k