Basic plots Scales Tick locators Animation Quick start
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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