You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
252 lines
9.4 KiB
Python
252 lines
9.4 KiB
Python
5 years ago
|
"""
|
||
|
|
This is a procedural interface to the matplotlib object-oriented
|
||
|
|
plotting library.
|
||
|
|
|
||
|
|
The following plotting commands are provided; the majority have
|
||
|
|
MATLAB |reg| [*]_ analogs and similar arguments.
|
||
|
|
|
||
|
|
.. |reg| unicode:: 0xAE
|
||
|
|
|
||
|
|
_Plotting commands
|
||
|
|
acorr - plot the autocorrelation function
|
||
|
|
annotate - annotate something in the figure
|
||
|
|
arrow - add an arrow to the axes
|
||
|
|
axes - Create a new axes
|
||
|
|
axhline - draw a horizontal line across axes
|
||
|
|
axvline - draw a vertical line across axes
|
||
|
|
axhspan - draw a horizontal bar across axes
|
||
|
|
axvspan - draw a vertical bar across axes
|
||
|
|
axis - Set or return the current axis limits
|
||
|
|
autoscale - turn axis autoscaling on or off, and apply it
|
||
|
|
bar - make a bar chart
|
||
|
|
barh - a horizontal bar chart
|
||
|
|
broken_barh - a set of horizontal bars with gaps
|
||
|
|
box - set the axes frame on/off state
|
||
|
|
boxplot - make a box and whisker plot
|
||
|
|
violinplot - make a violin plot
|
||
|
|
cla - clear current axes
|
||
|
|
clabel - label a contour plot
|
||
|
|
clf - clear a figure window
|
||
|
|
clim - adjust the color limits of the current image
|
||
|
|
close - close a figure window
|
||
|
|
colorbar - add a colorbar to the current figure
|
||
|
|
cohere - make a plot of coherence
|
||
|
|
contour - make a contour plot
|
||
|
|
contourf - make a filled contour plot
|
||
|
|
csd - make a plot of cross spectral density
|
||
|
|
delaxes - delete an axes from the current figure
|
||
|
|
draw - Force a redraw of the current figure
|
||
|
|
errorbar - make an errorbar graph
|
||
|
|
figlegend - make legend on the figure rather than the axes
|
||
|
|
figimage - make a figure image
|
||
|
|
figtext - add text in figure coords
|
||
|
|
figure - create or change active figure
|
||
|
|
fill - make filled polygons
|
||
|
|
findobj - recursively find all objects matching some criteria
|
||
|
|
gca - return the current axes
|
||
|
|
gcf - return the current figure
|
||
|
|
gci - get the current image, or None
|
||
|
|
getp - get a graphics property
|
||
|
|
grid - set whether gridding is on
|
||
|
|
hist - make a histogram
|
||
|
|
ioff - turn interaction mode off
|
||
|
|
ion - turn interaction mode on
|
||
|
|
isinteractive - return True if interaction mode is on
|
||
|
|
imread - load image file into array
|
||
|
|
imsave - save array as an image file
|
||
|
|
imshow - plot image data
|
||
|
|
legend - make an axes legend
|
||
|
|
locator_params - adjust parameters used in locating axis ticks
|
||
|
|
loglog - a log log plot
|
||
|
|
matshow - display a matrix in a new figure preserving aspect
|
||
|
|
margins - set margins used in autoscaling
|
||
|
|
pause - pause for a specified interval
|
||
|
|
pcolor - make a pseudocolor plot
|
||
|
|
pcolormesh - make a pseudocolor plot using a quadrilateral mesh
|
||
|
|
pie - make a pie chart
|
||
|
|
plot - make a line plot
|
||
|
|
plot_date - plot dates
|
||
|
|
plotfile - plot column data from an ASCII tab/space/comma delimited file
|
||
|
|
pie - pie charts
|
||
|
|
polar - make a polar plot on a PolarAxes
|
||
|
|
psd - make a plot of power spectral density
|
||
|
|
quiver - make a direction field (arrows) plot
|
||
|
|
rc - control the default params
|
||
|
|
rgrids - customize the radial grids and labels for polar
|
||
|
|
savefig - save the current figure
|
||
|
|
scatter - make a scatter plot
|
||
|
|
setp - set a graphics property
|
||
|
|
semilogx - log x axis
|
||
|
|
semilogy - log y axis
|
||
|
|
show - show the figures
|
||
|
|
specgram - a spectrogram plot
|
||
|
|
spy - plot sparsity pattern using markers or image
|
||
|
|
stem - make a stem plot
|
||
|
|
subplot - make one subplot (numrows, numcols, axesnum)
|
||
|
|
subplots - make a figure with a set of (numrows, numcols) subplots
|
||
|
|
subplots_adjust - control the subplot positions of current figure
|
||
|
|
subplot_tool - launch the subplot configuration tool
|
||
|
|
suptitle - add a figure title
|
||
|
|
table - add a table to the plot
|
||
|
|
text - add some text at location (x, y) to the current axes
|
||
|
|
thetagrids - customize the radial theta grids and labels for polar
|
||
|
|
tick_params - control the appearance of ticks and tick labels
|
||
|
|
ticklabel_format - control the format of tick labels
|
||
|
|
title - add a title to the current axes
|
||
|
|
tricontour - make a contour plot on a triangular grid
|
||
|
|
tricontourf - make a filled contour plot on a triangular grid
|
||
|
|
tripcolor - make a pseudocolor plot on a triangular grid
|
||
|
|
triplot - plot a triangular grid
|
||
|
|
xcorr - plot the autocorrelation function of x and y
|
||
|
|
xlim - set/get the xlimits
|
||
|
|
ylim - set/get the ylimits
|
||
|
|
xticks - set/get the xticks
|
||
|
|
yticks - set/get the yticks
|
||
|
|
xlabel - add an xlabel to the current axes
|
||
|
|
ylabel - add a ylabel to the current axes
|
||
|
|
|
||
|
|
autumn - set the default colormap to autumn
|
||
|
|
bone - set the default colormap to bone
|
||
|
|
cool - set the default colormap to cool
|
||
|
|
copper - set the default colormap to copper
|
||
|
|
flag - set the default colormap to flag
|
||
|
|
gray - set the default colormap to gray
|
||
|
|
hot - set the default colormap to hot
|
||
|
|
hsv - set the default colormap to hsv
|
||
|
|
jet - set the default colormap to jet
|
||
|
|
pink - set the default colormap to pink
|
||
|
|
prism - set the default colormap to prism
|
||
|
|
spring - set the default colormap to spring
|
||
|
|
summer - set the default colormap to summer
|
||
|
|
winter - set the default colormap to winter
|
||
|
|
|
||
|
|
_Event handling
|
||
|
|
|
||
|
|
connect - register an event handler
|
||
|
|
disconnect - remove a connected event handler
|
||
|
|
|
||
|
|
_Matrix commands
|
||
|
|
|
||
|
|
cumprod - the cumulative product along a dimension
|
||
|
|
cumsum - the cumulative sum along a dimension
|
||
|
|
detrend - remove the mean or besdt fit line from an array
|
||
|
|
diag - the k-th diagonal of matrix
|
||
|
|
diff - the n-th difference of an array
|
||
|
|
eig - the eigenvalues and eigen vectors of v
|
||
|
|
eye - a matrix where the k-th diagonal is ones, else zero
|
||
|
|
find - return the indices where a condition is nonzero
|
||
|
|
fliplr - flip the rows of a matrix up/down
|
||
|
|
flipud - flip the columns of a matrix left/right
|
||
|
|
linspace - a linear spaced vector of N values from min to max inclusive
|
||
|
|
logspace - a log spaced vector of N values from min to max inclusive
|
||
|
|
meshgrid - repeat x and y to make regular matrices
|
||
|
|
ones - an array of ones
|
||
|
|
rand - an array from the uniform distribution [0, 1]
|
||
|
|
randn - an array from the normal distribution
|
||
|
|
rot90 - rotate matrix k*90 degrees counterclockwise
|
||
|
|
squeeze - squeeze an array removing any dimensions of length 1
|
||
|
|
tri - a triangular matrix
|
||
|
|
tril - a lower triangular matrix
|
||
|
|
triu - an upper triangular matrix
|
||
|
|
vander - the Vandermonde matrix of vector x
|
||
|
|
svd - singular value decomposition
|
||
|
|
zeros - a matrix of zeros
|
||
|
|
|
||
|
|
_Probability
|
||
|
|
|
||
|
|
rand - random numbers from the uniform distribution
|
||
|
|
randn - random numbers from the normal distribution
|
||
|
|
|
||
|
|
_Statistics
|
||
|
|
|
||
|
|
amax - the maximum along dimension m
|
||
|
|
amin - the minimum along dimension m
|
||
|
|
corrcoef - correlation coefficient
|
||
|
|
cov - covariance matrix
|
||
|
|
mean - the mean along dimension m
|
||
|
|
median - the median along dimension m
|
||
|
|
norm - the norm of vector x
|
||
|
|
prod - the product along dimension m
|
||
|
|
ptp - the max-min along dimension m
|
||
|
|
std - the standard deviation along dimension m
|
||
|
|
asum - the sum along dimension m
|
||
|
|
ksdensity - the kernel density estimate
|
||
|
|
|
||
|
|
_Time series analysis
|
||
|
|
|
||
|
|
bartlett - M-point Bartlett window
|
||
|
|
blackman - M-point Blackman window
|
||
|
|
cohere - the coherence using average periodogram
|
||
|
|
csd - the cross spectral density using average periodogram
|
||
|
|
fft - the fast Fourier transform of vector x
|
||
|
|
hamming - M-point Hamming window
|
||
|
|
hanning - M-point Hanning window
|
||
|
|
hist - compute the histogram of x
|
||
|
|
kaiser - M length Kaiser window
|
||
|
|
psd - the power spectral density using average periodogram
|
||
|
|
sinc - the sinc function of array x
|
||
|
|
|
||
|
|
_Dates
|
||
|
|
|
||
|
|
date2num - convert python datetimes to numeric representation
|
||
|
|
drange - create an array of numbers for date plots
|
||
|
|
num2date - convert numeric type (float days since 0001) to datetime
|
||
|
|
|
||
|
|
_Other
|
||
|
|
|
||
|
|
angle - the angle of a complex array
|
||
|
|
load - Deprecated--please use loadtxt.
|
||
|
|
loadtxt - load ASCII data into array.
|
||
|
|
polyfit - fit x, y to an n-th order polynomial
|
||
|
|
polyval - evaluate an n-th order polynomial
|
||
|
|
roots - the roots of the polynomial coefficients in p
|
||
|
|
save - Deprecated--please use savetxt.
|
||
|
|
savetxt - save an array to an ASCII file.
|
||
|
|
trapz - trapezoidal integration
|
||
|
|
|
||
|
|
__end
|
||
|
|
|
||
|
|
.. [*] MATLAB is a registered trademark of The MathWorks, Inc.
|
||
|
|
|
||
|
|
|
||
|
|
"""
|
||
|
|
|
||
|
|
from matplotlib.cbook import flatten, silent_list, iterable, dedent
|
||
|
|
|
||
|
|
import matplotlib as mpl
|
||
|
|
|
||
|
|
from matplotlib.dates import (
|
||
|
|
date2num, num2date, datestr2num, strpdate2num, drange, epoch2num,
|
||
|
|
num2epoch, mx2num, DateFormatter, IndexDateFormatter, DateLocator,
|
||
|
|
RRuleLocator, YearLocator, MonthLocator, WeekdayLocator, DayLocator,
|
||
|
|
HourLocator, MinuteLocator, SecondLocator, rrule, MO, TU, WE, TH, FR,
|
||
|
|
SA, SU, YEARLY, MONTHLY, WEEKLY, DAILY, HOURLY, MINUTELY, SECONDLY,
|
||
|
|
relativedelta)
|
||
|
|
|
||
|
|
# bring all the symbols in so folks can import them from
|
||
|
|
# pylab in one fell swoop
|
||
|
|
|
||
|
|
## We are still importing too many things from mlab; more cleanup is needed.
|
||
|
|
|
||
|
|
from matplotlib.mlab import (
|
||
|
|
demean, detrend, detrend_linear, detrend_mean, detrend_none,
|
||
|
|
window_hanning, window_none)
|
||
|
|
|
||
|
|
from matplotlib import cbook, mlab, pyplot as plt
|
||
|
|
from matplotlib.pyplot import *
|
||
|
|
|
||
|
|
from numpy import *
|
||
|
|
from numpy.fft import *
|
||
|
|
from numpy.random import *
|
||
|
|
from numpy.linalg import *
|
||
|
|
|
||
|
|
import numpy as np
|
||
|
|
import numpy.ma as ma
|
||
|
|
|
||
|
|
# don't let numpy's datetime hide stdlib
|
||
|
|
import datetime
|
||
|
|
|
||
|
|
# This is needed, or bytes will be numpy.random.bytes from
|
||
|
|
# "from numpy.random import *" above
|
||
|
|
bytes = __import__("builtins").bytes
|