matplotlib一：命令参考

http://matplotlib.org/api/pyplot_summary.html

 

作图命令

方法	描述	类型
angle_spectrum	Plot the angle spectrum.	plot
bar	Make a bar plot.	plot
barbs	Plot a 2-D field of barbs.	plot
barh	Make a horizontal bar plot.	plot
boxplot	Make a box and whisker plot.	plot
broken_barh	Plot horizontal bars.	Plot
cohere	Plot the coherence between?x?and?y.	plot
contour	Plot contours.	plot
contourf	Plot contours.	plot
csd	Plot the cross-spectral density.	plot
errorbar	Plot an errorbar graph.	plot
eventplot	Plot identical parallel lines at specific positions.	plot
fill	Plot filled polygons. 做面积图	plot
fill_between	Make filled polygons between two curves.
fill_betweenx	Make filled polygons between two horizontal curves.
hexbin	Make a hexagonal binning plot.	plot
hist	Plot a histogram.	plot
hist2d	Make a 2D histogram plot.	plot
loglog	Make a plot with log scaling on both the?x?and?y?axis.	plot
magnitude_spectrum	Plot the magnitude spectrum.	Plot
pcolormesh	Plot a quadrilateral mesh.	Plot
phase_spectrum	Plot the phase spectrum.	Plot
pie	Plot a pie chart.	Plot
plot	Plot lines and/or markers to the?Axes.	Plot
plot_date	A plot with data that contains dates.	Plot
plotfile	Plot the data in in a file.	Plot
polar	Make a polar plot.	plot
thetagrids	Get or set the theta locations of the gridlines in a polar plot.
psd	Plot the power spectral density.	Plot
quiver	Plot a 2-D field of arrows.	Plot
scatter	Make a scatter plot of?x?vs?y?Marker size is scaled by?s?and marker color is mapped to?cParameters ———- x, y : array_like, shape (n, ) Input data s : scalar or array_like, shape (n, ), optional size in points^2.	plot
semilogx	Make a plot with log scaling on the?x?axis.	plot
semilogy	Make a plot with log scaling on the?y?axis.	plot
specgram	Plot a spectrogram.	Plot
spy	Plot the sparsity pattern on a 2-D array.	Plot
stem	Create a stem plot.	plot
step	Make a step plot.	plot
streamplot	Draws streamlines of a vector flow.	plot
violinplot	Make a violin plot.	Plot
xcorr	Plot the cross correlation between?x?and?y.	Plot
acorr	Plot the autocorrelation of?x.

坐标轴命令

方法	描述	类型
axis	Convenience method to get or set axis properties.	axis
yticks	Get or set the?y-limits of the current tick locations and labels.	yticks
yscale	Set the scaling of the?y-axis.	yscale
ylim	Get or set the?y-limits of the current axes.	ylim
ylabel	Set the?y?axis label of the current axis.	ylabel
xticks	Get or set the?x-limits of the current tick locations and labels.	xticks
xscale	Set the scaling of the?x-axis.	xscale
xlim	Get or set the?x?limits of the current axes.	xlim
xlabel	Set the?x?axis label of the current axis.	xlabel
minorticks_off	Remove minor ticks from the current plot.	ticks
minorticks_on	Display minor ticks on the current plot.	ticks
autoscale	Autoscale the axis view to the data (toggle).	scale

 

 

 

 

 

 

 

图文说明命令

方法	描述	类型
suptitle	Add a centered title to the figure.	title
title	Set a title of the current axes.	title
figtext	Add text to figure.	text
text	Add text to the axes.	text
table	Add a table to the current axes.	table
figlegend	Place a legend in the figure.	legend
legend	Places a legend on the axes.	legend
arrow	Add an arrow to the axes.	arrow
annotate	Annotate the point?xy?with text?s.	Annotate
colorbar	Add a colorbar to a plot.	colorbar
set_cmap	Set the default colormap.

 

 

 

 

 

辅助线

方法	描述	类型
vlines	Plot vertical lines.	vlines
hlines	Plot horizontal lines at each?y?from?xmin?to?xmax.	hlines
axvspan	Add a vertical span (rectangle) across the axes.	axvspan
axvline	Add a vertical line across the axes.	axvline
axhspan	Add a horizontal span (rectangle) across the axis.	axhspan
axhline	Add a horizontal line across the axis.	axhline
twinx	Make a second axes that shares the?x-axis.	axes
twiny	Make a second axes that shares the?y-axis.	axes

 

 

 

 

图片

方法	描述	类型
imread	Read an image from a file into an array.	image
imsave	Save an array as in image file.	image
imshow	Display an image on the axes.	image
clim	Set the color limits of the current image.	image
sci	Set the current image.	image

 

 

 

figure

方法	描述	类型
figure	Creates a new figure.	figure
figimage	Adds a non-resampled image to the figure.	figimage
clf	Clear the current figure.	figure
close	Close a figure window.	figure
draw	Redraw the current figure.	figure
gcf	Get a reference to the current figure.	figure
savefig	Save the current figure.
show	Display a figure.
get_figlabels	Return a list of existing figure labels.	figure
get_fignums	Return a list of existing figure numbers.	figure

 

 

 

 

 

axes

方法	描述	类型
axes	Add an axes to the figure.	axes
box	Turn the axes box on or off.	axes
cla	Clear the current axes.	axes
delaxes	Remove an axes from the current figure.	axes
gca	Get the current?Axes?instance on the current figure matching the given keyword args, or create one.	axes
grid	Turn the axes grids on or off.	axes
sca	Set the current Axes instance to?ax.	axes
subplot	Return a subplot axes positioned by the given grid definition.	axes
subplot2grid	Create a subplot in a grid.	axes
subplot_tool	Launch a subplot tool window for a figure.	axes
subplots	Create a figure and a set of subplots This utility wrapper makes it convenient to create common layouts of subplots, including the enclosing figure object, in a single call.	axes
subplots_adjust	Tune the subplot layout.	axes

 

其他

方法	描述	类型
stackplot	Draws a stacked area plot.	Draws
clabel	Label a contour plot.
fignum_exists
findobj	Find artist objects.
gci	Get the current colorable artist.
hold
install_repl_displayhook	Install a repl display hook so that any stale figure are automatically redrawn when control is returned to the repl.
ioff	Turn interactive mode off.
ion	Turn interactive mode on.
ishold
isinteractive	Return status of interactive mode.
locator_params	Control behavior of tick locators.
margins	Set or retrieve autoscaling margins.
matshow	Display an array as a matrix in a new figure window.
over
pause	Pause for?interval?seconds.
pcolor	Create a pseudocolor plot of a 2-D array.
quiverkey	Add a key to a quiver plot.
rc	Set the current rc params.
rc_context	Return a context manager for managing rc settings.
rcdefaults	Restore the rc params from Matplotlib’s internal defaults.
rgrids	Get or set the radial gridlines on a polar plot.
setp	Set a property on an artist object.
switch_backend	Switch the default backend.
tick_params	Change the appearance of ticks and tick labels.
ticklabel_format	Change the?ScalarFormatter?used by default for linear axes.
tight_layout	Automatically adjust subplot parameters to give specified padding.
tricontour	Draw contours on an unstructured triangular grid.
tricontourf	Draw contours on an unstructured triangular grid.
tripcolor	Create a pseudocolor plot of an unstructured triangular grid.
triplot	Draw a unstructured triangular grid as lines and/or markers.
uninstall_repl_displayhook	Uninstalls the matplotlib display hook.
xkcd	Turns on?xkcd?sketch-style drawing mode.