Basic plots Scales Tick locators Animation - Matplotlib

Cheat sheet

Version 3.7.4

Quick start

API

import numpy as np import matplotlib as mpl import matplotlib.pyplot as plt

X = np.linspace(0, 2*np.pi, 100) Y = np.cos(X)

fig, ax = plt.subplots() ax.plot(X, Y, color='green')

fig.savefig("figure.pdf") plt.show()

Anatomy of a figure

Anatomy of a figure

4

Title

Major tick

Minor tick 3 Major tick label

Grid (linLeinpelot)

Blue signal Red signal

Legend

Y axis label

2 Y axis label

1

(scMatatrekreprslot)

Figure

Axes

(linLeinpelot)

Spines

0 0

0.25 0.50 0.75 Minor tick label

1

1.25

1.50

1.7X5axis2

2.25 label

2.50

2.75

3

3.25 3.50 3.75

4

X axis label

Subplots layout

API

subplot[s](rows, cols, ...) API fig, axs = plt.subplots(3, 3)

G = gridspec(rows,cols, ...) API ax = G[0, :]

ax.inset_axes(extent)

API

d=make_axes_locatable(ax) API ax = d.new_horizontal('10%')

Getting help ? H matplotlib/matplotlib/issues discourse. W questions/tagged/matplotlib F matplotlib a Matplotlib users mailing list

Basic plots

Scales

API Tick locators

API

plot([X], Y, [fmt], ...)

API

X, Y, fmt, color, marker, linestyle

002...005 2 0 2 002...005101010 scatter(X, Y, ...)

API

X, Y, [s]izes, [c]olors, marker, cmap

2.5 10010 2.5 bar[h](x, height, ...)

API

x, height, width, bottom, align, color

ax.set_[xy]scale(scale, ...)

linear

log

-

+ any values 0

+ values > 0

symlog

2 1 0logit

-

+ any values

00

Projections

0

12

1 0 < values < 1

API

subplot(..., projection=p)

imshow(Z, ...)

API

Z, cmap, interpolation, extent, origin

p='polar'

p='3d' API

contour[f]([X], [Y], Z, ...) API X, Y, Z, levels, colors, extent, origin

p=ccrs.Orthographic()

API

import cartopy.crs as ccrs

from matplotlib import ticker ax.[xy]axis.set_[minor|major]_locator(locator)

ticker.NullLocator()

ticker.MultipleLocator(0.5)

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0

ticker.FixedLocator([0, 1, 5])

0

1

5

ticker.LinearLocator(numticks=3)

0.0

2.5

5.0

ticker.IndexLocator(base=0.5, offset=0.25)

0.25 0.75 1.25 1.75 2.25 2.75 3.25 3.75 4.25 4.75

ticker.AutoLocator()

0

1

2

3

4

5

ticker.MaxNLocator(n=4)

0.0

1.5

3.0

4.5

ticker.LogLocator(base=10, numticks=15)

103

104

105

106

107

108

109

1010

Tick formatters

API

pcolormesh([X], [Y], Z, ...) API X, Y, Z, vmin, vmax, cmap

quiver([X], [Y], U, V, ...) API X, Y, U, V, C, units, angles

pie(X, ...)

API

Z, explode, labels, colors, radius

TEXT text(x, y, text, ...)

API

x, y, text, va, ha, size, weight, transform

fill[_between][x](...)

API

X, Y1, Y2, color, where

Advanced plots

step(X, Y, [fmt], ...)

API

X, Y, fmt, color, marker, where

boxplot(X, ...)

API

X, notch, sym, bootstrap, widths

errorbar(X,Y,xerr,yerr, ...) API X, Y, xerr, yerr, fmt

Lines

API

linestyle or ls

"-"

":"

"--"

"-."

capstyle or dash_capstyle

(0,(0.01,2))

"butt"

"round"

"projecting"

Markers

API

'.' 'o' 's' 'P' 'X' '*' 'p' 'D' '' '^' 'v'

'1' '2' '3' '4' '+' 'x' '|' '_' 4 5 6 7

'$ $''$ $''$ $''$ $''$ $''$ $''$ $''$ $''$ $''$ $''$ $''$ $'

markevery

10

[0, -1]

(25, 5)

[0, 25, -1]

Colors

API

1

0 1

0

C0 b

C1

2g

C2

4

C3

r6

C4 C5 C6 C7 C8 C9 'Cn'

c 8 m 10 y 12 k 14 w 16 'x'

01 01 01 0

DarkRed

0 2 (1,0,0) 0 2 #FF0000 0 2 0.0 0.1 02

Firebrick Crimson IndianRed Salmon

4 6 8 10 12 14 16 (1,0,0,0.75) (1,0,0,0.5) (1,0,0,0.25) 4 6 #FF0000BB 8 10 #FF000088 12 14 #FF000044 16 4 0.2 6 0.3 0.4 80.5 10 0.6 0.7 102.8 01.94 1.016 4 6 8 10 12 14 16

'name' (R,G,B[,A]) '#RRGGBB[AA]' 'x.y'

Colormaps

API

from matplotlib import ticker ax.[xy]axis.set_[minor|major]_formatter(formatter)

ticker.NullFormatter()

ticker.FixedFormatter(['zero', 'one', 'two', ])

zero

one

two

three

four

five

ticker.FuncFormatter(lambda x, pos: "[%.2f]" % x)

[0.00]

[1.00]

[2.00]

[3.00]

[4.00]

[5.00]

ticker.FormatStrFormatter('>%d ................
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