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New release matplotlib 0.90.1 is out. The 0.90 series is the last release that will continue to support Numeric, numarray and numpy. At 0.91, we will be using numpy only internally, though we will continue to provide the numerix compaitibility layer for external use. Missing fonts If you are upgrading matplotlib from an earlier version, please make sure you are using the most recent matplotlib configuration file because we have made a number of organizational changes. See matplotlibrc for information about typical locations of your configuration files and directories. See also the missing fonts FAQ. Matplotlib Home What's New Download Installing Screenshots Examples (zip) Mailing lists Documentation Tutorial User's Guide (pdf) API (pdf) FAQ Cookbook / wiki pylab interface Class library Backends Toolkits Fonts Interactive Goals Other Credits License		Matplotlib matplotlib is a python 2D plotting library which produces publication quality figures in a variety of hardcopy formats and interactive environments across platforms. matplotlib can be used in python scripts, the python and ipython shell (ala matlab or mathematica), web application servers, and six graphical user interface toolkits. matplotlib trys to make easy things easy and hard things possible. You can generate plots, histograms, power spectra, bar charts, errorcharts, scatterplots, etc, with just a few lines of code. For example, to make a histogram of data in x, you simply need to type >>> hist(x, 100) # use 100 bins For the power user, you have full control of line styles, font properties, axes properties, etc, via an object oriented interface or via a handle graphics interface familiar to matlab users. A summary of the goals of matplotlib and the progress so far can be found here. The plotting functions in the pylab interface have a high degree of Matlab® compatibility. Plotting commands Function Description 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 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 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 gca return the current axes gcf return the current figure gci get the current image, or None getp get a handle graphics property grid set whether gridding is on hist make a histogram hold set the axes hold state ioff turn interaction mode off ion turn interaction mode on isinteractive return True if interaction mode is on imread load image file into array imshow plot image data ishold return the hold state of the current axes legend make an axes legend loglog a log log plot matshow display a matrix in a new figure preserving aspect 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 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 handle 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 a subplot (numrows, numcols, axesnum) subplots_adjust change the params controlling the subplot positions of current figure subplot_tool launch the subplot configuration tool 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 title add a title to the current axes 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 spectral set the default colormap to spectral

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