Index

A

• Advanced Linux Sound Architecture (ALSA) / Getting ready
• animate() function / How it works...
• animation
  • with OpenGL / Animating with OpenGL, Getting ready, How it works..., There's more...
• Animation (object) class / Getting ready
• animation, matplotlib / Animating in matplotlib, How to do it..., How it works..., There's more...
• annotations
  • adding / Adding a legend and annotations, How to do it..., How it works...
• array slicing / How it works...
• ArtistAnimation (TimedAnimation) class / Getting ready
• autocorrelation
  • about / Importance of autocorrelation
  • importance / Importance of autocorrelation
  • plotting / How to do it..., How it works...
• Axes3D / Getting ready
• AxesGrid / Creating 3D bars
• axis() function / How to do it...
• axis label
  • transparency, setting / Setting the transparency and size of axis labels, How it works...
  • size, setting / Setting the transparency and size of axis labels, How it works...
• axis lengths
  • defining / Defining axis lengths and limits, How it works...
• axis limits
  • defining / Defining axis lengths and limits, How it works...

B

• backends / Getting ready
• background color
  • defining / Background color
• barb
  • about / Drawing barbs
  • drawing / Drawing barbs, Getting ready, How it works..., There's more...
• barbs function / Getting ready
• bar charts
  • creating / Making bar charts with error bars, How to do it..., How it works...
• bard3d function / How it works...
• bar plot / Defining plot types – bar, line, and stacked charts, How to do it..., How it works..., There's more...
• Basemap / Creating 3D bars
  • used, for plotting data on map / Plotting data on a map using Basemap, How to do it..., How it works...
• Basemap toolkit
  • URL, for documentation / There's more...
• box plot / There's more...
  • making / Making a box and a whisker plot, Getting ready, How to do it..., How it works...

C

• CAPTCHA image
  • generating / Generating CAPTCHA images, Getting ready, How it works..., There's more...
  • about / Generating CAPTCHA images, Getting ready
• cell() mehtod / How it works...
• chart line
  • shadow, adding to / Adding a shadow to the chart line, Getting ready, How to do it..., How it works..., There's more...
• color
  • defining / Color
• ColorBrewer
  • URL / Getting ready
• Colorbrewer2
  • URL / Getting ready
• colored markers
  • used, for drawing scatter plots / Drawing scatter plots with colored markers, How to do it...
• colormaps
  • using / Using colormaps, Getting ready, How to do it..., How it works..., There's more...
• colormaps, categories
  • sequential / Getting ready
  • diverging / Getting ready
  • qualitative / Getting ready
  • cyclic / Getting ready
• colormaps, ColorBrewer
  • category / Getting ready
• colormaps function / How to do it...
• contour() function / Getting ready
  • call signature / Getting ready
• contour(X,Y,Z) call signature / Getting ready
• contour(X,Y,Z,N) call signature / Getting ready
• contour(X,Y,Z,V) call signature / Getting ready
• contour(Z) call signature / Getting ready
• contour(Z, **kwargs) call signature / Getting ready
• contour(Z,N) call signature / Getting ready
• contour(Z,V) call signature / Getting ready
• contourf(..., V) call signature / Getting ready
• contour plot
  • about / Creating contour plots
  • creating / Creating contour plots, Getting ready, How it works...
• controlled random datasets
  • generating / Generating controlled random datasets, Getting ready, How to do it...
• convolve function / How to do it...
• Coordinate system
  • Data / Getting ready
  • Axes / Getting ready
  • Figure / Getting ready
  • Display / Getting ready
• correlate() function / How it works...
• cosine plot
  • drawing / Drawing a simple sine and cosine plot, How to do it...
• create_thumbnails() function / How it works...
• cross-correlation
  • plotting, between two variables / Plotting the cross-correlation between two variables, Getting ready, How to do it..., How it works...
• CSV
  • about / Importing data from CSV
• csv.reader() method / How it works...
• CSV file
  • data, importing from / Importing data from CSV, How it works..., There's more...
  • data, exporting to / Exporting data to JSON, CSV, and Excel, How to do it..., How it works...

D

• 3D bars
  • creating / Creating 3D bars, Getting ready, How to do it..., There's more...
• 3D histograms
  • creating / Creating 3D histograms, How to do it..., How it works...
• 3D visualization / Introduction
  • 3D bars, creating / Creating 3D bars, Getting ready, How to do it..., There's more...
  • 3D histograms, creating / Creating 3D histograms, How to do it..., How it works...
• data
  • importing, from CSV file / Importing data from CSV, How it works..., There's more...
  • importing, from Microsoft Excel file / Importing data from Microsoft Excel files, Getting ready, How it works..., There's more...
  • importing, from fixed-width data file / Importing data from fixed-width datafiles, How to do it..., How it works...
  • importing, from tab-delimited file / Importing data from tab-delimited files, How it works..., There's more...
  • importing, from JSON resource / Importing data from a JSON resource, How it works..., There's more...
  • exporting, to JSON file / Exporting data to JSON, CSV, and Excel, How to do it..., How it works...
  • exporting, to CSV file / Exporting data to JSON, CSV, and Excel, How to do it..., How it works...
  • exporting, to Microsoft Excel file / Exporting data to JSON, CSV, and Excel, How to do it..., How it works...
  • importing, from database / Importing data from a database, How to do it..., How it works..., There's more...
  • cleaning up, from outliers / Cleaning up data from outliers, How to do it...
  • plotting on map, Basemap used / Plotting data on a map using Basemap, How to do it..., How it works...
  • plotting on map, Google Map API used / Plotting data on a map using Google Map API, How to do it..., How it works..., There's more...
• database
  • data, importing from / Importing data from a database, How to do it..., How it works..., There's more...
• data table
  • adding, to figure / Adding a data table to the figure, How to do it..., How it works...
• data visualization, types
  • line graphs / Introduction
  • bar charts / Introduction
  • histograms / Introduction
  • pie charts / Introduction
• deactivate command / How to do it...
• dialect / Importing data from tab-delimited files
• Distutis / How it works...
• Django 1.1 / Installing virtualenv and virtualenvwrapper
• drawMap() function / How it works...
• dump() method / How it works...
• DVI to PNG converter / Getting ready

E

• Enthought Python Distribution (EPD) / Installing matplotlib on Mac OS X
• equential colormap / Getting ready
• error bars
  • drawing / Making bar charts with error bars, How to do it..., How it works...
  • about / Getting ready, Making errorbars
  • making / Making errorbars, How to do it..., How it works...

F

• figtext function / Getting ready
• figure
  • data table, adding / Adding a data table to the figure, How to do it..., How it works...
• figure() function / How it works..., Getting ready
• file
  • reading / Reading files in chunks, How it works...
• file system tree
  • visualizing, polar bar used / Visualizing the filesystem tree using a polar bar, How to do it..., How it works...
• fill() function / There's more...
• filled areas
  • plotting / Plotting with filled areas, How it works...
• fill _between() function / Getting ready
• fill_between() function / How it works...
• fixed-width data file
  • data, importing from / Importing data from fixed-width datafiles, How to do it..., How it works...
• font properties
  • using / Making use of text and font properties, Getting ready, How to do it..., How it works...
  • family / Getting ready
  • size / Getting ready
  • fontsize / Getting ready
  • style / Getting ready
  • fontstyle / Getting ready
  • variant / Getting ready
  • weight / Getting ready
  • fontweight / Getting ready
  • stretch / Getting ready
  • fontstretch / Getting ready
  • fontproperties / Getting ready
• format_data() function / How it works...
• freetype / Getting ready
• freetype 1.4+ / Getting ready
• FuncAnimation (TimedAnimation) / Getting ready

G

• Gantt chart
  • about / Making Gantt charts
  • making / Making Gantt charts, How to do it..., How it works...
• get() method / How it works...
• get_captcha method / How it works...
• get_size function / How it works...
• Ghost script / Getting ready
• GitHub
  • URL / How to do it...
• Glumpy / Getting ready
• Glumpy Quickstart
  • used, for animating with OpenGL / Using Glumpy Quickstart
• Google Data Visualization Library / Getting ready
• Google Developer
  • URL / There's more...
• Google Geochart / How to do it...
• Google Map API
  • used, for plotting data on map / Plotting data on a map using Google Map API, How to do it..., How it works..., There's more...
• Google Visualization API / Getting ready
• grids
  • setting / Setting ticks, labels, and grids, Getting ready, How to do it...
  • about / Customizing grids, Getting ready
  • customizing / Customizing grids, Getting ready, How it works...
• GTK Tools / Creating 3D bars

H

• hist() function / How to do it...
• histograms
  • about / Making histograms
  • making / Making histograms, How to do it..., How it works...
  • using / Using scatter plots and histograms, Getting ready, How to do it..., There's more...
• hold property / How to do it...
• Homebrew project / Getting ready
• horizontalalignment property / Getting ready
• HTTP Protocol and Response message
  • URL / How it works...

I

• ImageChops module / Getting ready
• image data
  • importing, into NumPy arrays / Importing image data into NumPy arrays, How to do it..., How it works..., There's more...
• ImageDraw module / Getting ready
• ImageFilter module / Getting ready
• Image module
  • im = Image.open(filename) method / Getting ready
  • im.crop(box) method / Getting ready
  • im.filter(filter) method / Getting ready
  • im.histogram() method / Getting ready
  • im.resize(size, filter) method / Getting ready
  • im.rotate(angle, filter) method / Getting ready
  • im.split() method / Getting ready
  • im.transform(size, method, data, filter) method / Getting ready
• image processing
  • example / There's more...
  • with PIL / Processing images with PIL, Getting ready, How it works..., There's more...
• image processing, Python / Importing image data into NumPy arrays, How to do it..., How it works..., There's more...
• images
  • plotting / Plotting with images, How to do it..., How it works...
  • displaying, with other plots / Displaying an image with other plots in the figure, How to do it..., How it works..., There's more...
• imread function / Getting ready
• init() function / How it works...
• installation, matplotlib / Installing matplotlib, NumPy, and SciPy, Getting ready, How to do it..., How it works...
  • on Mac OS X / Installing matplotlib on Mac OS X, How to do it...
  • on Windows / Installing matplotlib on Windows, How to do it...
• installation, NumPy / Installing matplotlib, NumPy, and SciPy, Getting ready, How to do it..., How it works...
• installation, PIL
  • for image processing / Installing Python Imaging Library (PIL) for image processing, How it works...
• installation, requests module / Installing a requests module
• installation, SciPy / Getting ready, How to do it..., There's more...
• installation, SQLite library / Getting ready
• installation, virtualenv / Installing virtualenv and virtualenvwrapper, How to do it...
• installation, virtualenvwrapper / Installing virtualenv and virtualenvwrapper, How to do it...
• intsallation, Python / Getting ready, How to do it...
• IPython / There's more..., There's more...
• IPython Notebook / There's more...
• isolines / Creating contour plots

J

• JSON
  • about / Importing data from a JSON resource
• json.loads() function / There's more...
• JSON file
  • data, exporting to / Exporting data to JSON, CSV, and Excel, How to do it..., How it works...
• JSON resource
  • data, importing from / Importing data from a JSON resource, How it works..., There's more...

L

• labels
  • setting / Setting ticks, labels, and grids, Getting ready, How to do it...
• LaTeX
  • about / Rendering text with LaTeX
  • used, for rendering text / Rendering text with LaTeX, How to do it..., How it works..., There's more...
  • syntax / Rendering text with LaTeX
• LaTex syntax / How to do it...
• LaTeX system / Getting ready
• legend
  • adding / Adding a legend and annotations, How to do it..., How it works...
• legend() function / How to do it...
• libpng / Getting ready
• libpng 1.2 / Getting ready
• line markers
  • list / How it works...
• line plot / Defining plot types – bar, line, and stacked charts, How to do it..., How it works..., There's more...
  • styles, defining / Defining plot line styles, properties, and format strings, How to do it..., How it works...
  • properties, defining / Defining plot line styles, properties, and format strings, How to do it..., How it works...
  • format strings, defining / Defining plot line styles, properties, and format strings, How to do it..., How it works...
  • properties / How it works...
• linestyles
  • list / How it works...
• linspace function / How to do it...
• loadtxt() function / There's more...
• load_data function / How it works...
• load_files() function / How it works...
• logarithmic plot
  • about / Understanding logarithmic plots, How to do it..., How it works...
  • rules / Getting ready

M

• map
  • data plotting, Basemap used / Plotting data on a map using Basemap, How to do it..., How it works...
  • data plotting, Google Map API used / Plotting data on a map using Google Map API, How to do it..., How it works..., There's more...
• matplotlib
  • installing / Installing matplotlib, NumPy, and SciPy, Getting ready, How to do it..., How it works...
  • installing, on Mac OS X / Installing matplotlib on Mac OS X, How to do it...
  • installing, on Windows / Installing matplotlib on Windows, How to do it...
  • about / Introduction
  • plot, elements / How to do it...
  • animation / Animating in matplotlib, How to do it..., How it works..., There's more...
• matplotlib.pylab interface / Getting ready
• matplotlib API / Getting ready
• matplotlib parameters
  • customizing, in code / Customizing matplotlib's parameters in code, How it works...
  • customizing, per project / Customizing matplotlib's parameters per project, How to do it..., How it works...
• matplotlibrc configuration file
  • location / How it works...
  • settings / How it works...
• matplotlib software
  • matplotlib.pylab interface / Getting ready
  • matplotlib API / Getting ready
  • backends / Getting ready
• Mayavi / Getting ready
• Median absolute deviation (MAD) / Getting ready
• Median Filter / There's more...
• meshgrid() function / How it works...
• meshgrid property / How it works...
• Microsoft Excel file
  • data, importing from / Importing data from Microsoft Excel files, Getting ready, How it works..., There's more...
  • data, exporting to / Exporting data to JSON, CSV, and Excel, How to do it..., How it works...
• mkvirtualenv ENV command / How to do it...
• mplot3d / Creating 3D bars
• multialignment property / Getting ready

N

• Natgrid / Creating 3D bars
• NetCDF / There's more...
• next() function / Reading files in chunks
• noise signal
  • smoothing, in real-world data / Smoothing the noise in real-world data, How it works..., There's more...
• NumPy
  • installing / Installing matplotlib, NumPy, and SciPy, Getting ready, How to do it..., How it works...
  • about / Getting ready
  • URL / Getting ready
• NumPy arrays
  • image data, importing into / Importing image data into NumPy arrays, How to do it..., How it works..., There's more...

O

• OO API
  • differentiating, with pyplot / Understanding the difference between pyplot and OO API, Getting ready, How to do it..., How it works...
  • about / Understanding the difference between pyplot and OO API
• open() function / There's more...
• OpenGL / Getting ready
  • animating with / Animating with OpenGL, Getting ready, How it works..., There's more...
  • animating with, Pyglet Quickstart used / Using Pyglet Quickstart
  • animating with, Glumpy Quickstart used / Using Glumpy Quickstart
• OpenRefine
  • URL / There's more...
• Optical Character Recognition (OCR) / There's more...
• outliers
  • data, cleaning up / Cleaning up data from outliers, How to do it...

P

• pie charts
  • about / Making pie charts count
  • making / Making pie charts count, How to do it...
• PIL
  • about / Installing Python Imaging Library (PIL) for image processing, How to do it...
  • installing, for image processing / Installing Python Imaging Library (PIL) for image processing, How to do it...
  • URL / There's more...
  • used, for image processing / Processing images with PIL, Getting ready, How it works..., There's more...
• Pillow
  • URL / There's more...
• plot
  • elements / How to do it...
  • color, defining / Color
  • background color, defining / Background color
• plot() function / How to do it..., There's more..., How it works...
• plot types
  • defining / Defining plot types – bar, line, and stacked charts, How to do it..., How it works..., There's more...
  • bar / Defining plot types – bar, line, and stacked charts, How to do it..., How it works..., There's more...
  • line / Defining plot types – bar, line, and stacked charts, How to do it..., How it works..., There's more...
  • stacked charts / Defining plot types – bar, line, and stacked charts, How to do it..., How it works..., There's more...
  • box plot / There's more...
  • whiskers plot / There's more...
  • cosine plot / Drawing a simple sine and cosine plot, How to do it...
  • sine plot / Drawing a simple sine and cosine plot, How to do it...
  • scatter plots / Drawing scatter plots with colored markers
  • contour plot / Creating contour plots
  • polar plot / Drawing polar plots
  • logarithmic plot / Understanding logarithmic plots
  • stem plot / Creating a stem plot
  • stream plot / Drawing streamlines of vector flow
• polar() function / Getting ready
• polar plot
  • drawing / Drawing polar plots, How to do it..., How it works...
  • about / Drawing polar plots
• probability distribution / Getting ready
• Processing
  • URL / Pyprocessing introduction
• proTeX system / Getting ready
• Pyglet / Getting ready
• Pyglet Quickstart
  • used, for animating with OpenGL / Using Pyglet Quickstart
• PyPi
  • URL / There's more...
• pyplot
  • differentiating, with OO API / Understanding the difference between pyplot and OO API, Getting ready, How to do it..., How it works...
• pyplot function / How to do it...
• Pyprocessing
  • about / Pyprocessing introduction
• Python
  • intsalling / Getting ready, How to do it...
  • CSV module / Importing data from CSV
  • file, reading / Reading files in chunks, How it works...
  • image processing / Importing image data into NumPy arrays, How to do it..., How it works..., There's more...
• Python 2.3 / Installing virtualenv and virtualenvwrapper
• Python 2.6 / Installing virtualenv and virtualenvwrapper
• Python 2.7+ Version / Getting ready
• Python 3.3+ Version / Getting ready
• Python Distribution Utilities / How it works...

R

• .rc file / Customizing matplotlib's parameters in code
• random module / How to do it...
• read() function / Reading files in chunks
• read_png() function / How it works...
• real-world data
  • noise signal, smoothing / Smoothing the noise in real-world data, How it works..., There's more...
• reCAPTCHA
  • URL / There's more...
• recaptcha-client
  • URL / There's more...
• requests module
  • installing / Installing a requests module
  / Getting ready
• Response.json() method / How it works...
• run() function / Pyprocessing introduction

S

• save() function / How it works..., There's more...
• scatter() function / How it works..., There's more...
• scatterhist() function / There's more...
• scatter plots
  • drawing, with colored markers / Drawing scatter plots with colored markers, How to do it...
  • about / Drawing scatter plots with colored markers
  • using / Using scatter plots and histograms, Getting ready, How to do it..., There's more...
• scikit-image
  • URL / There's more...
• SciPy
  • installing / Getting ready, How to do it..., There's more...
  / Getting ready
• SciPy Cookbook
  • URL / How it works...
• SciPy signal toolbox
  • implementation / There's more...
• seek() function / Reading files in chunks
• setp() function / How to do it...
• setstate() function / How to do it...
• shadow
  • adding, to chart line / Adding a shadow to the chart line, Getting ready, How to do it..., How it works..., There's more...
• sheets() mehtod / How it works...
• show() function / How it works..., How it works...
• sine plot
  • drawing / Drawing a simple sine and cosine plot, How to do it...
• spectrogram
  • about / Understanding spectrograms, Getting ready, How to do it..., There's more...
• spines
  • moving, to center / Moving spines to the center, How to do it...
  • about / Moving spines to the center
• split() function / There's more...
• SQLite db file / How to do it...
• SQLite library
  • installing / Getting ready
• stacked chart plot / Defining plot types – bar, line, and stacked charts, How to do it..., How it works..., There's more...
• standard deviation / Getting ready
• statistical population / Getting ready
• stem() function / How to do it...
• stem plot
  • about / Creating a stem plot
  • creating / Creating a stem plot, How to do it..., How it works...
  • formatters / How to do it...
• streaming data source
  • reading / Reading streaming data sources, How it works...
• stream plot
  • drawing / Drawing streamlines of vector flow, How to do it..., How it works..., There's more...
  • about / Drawing streamlines of vector flow
  • used, for visualizing vector field / Drawing streamlines of vector flow
• struct module
  • URL / Importing data from fixed-width datafiles
  • about / Getting ready
• subplot
  • using / Using subplots, Getting ready, How it works...
• suptitle function / Getting ready

T

• tab-delimited file
  • data, importing from / Importing data from tab-delimited files, How it works..., There's more...
• Table Visualization / How to do it...
• tell() function / Reading files in chunks
• test_* function / There's more...
• text
  • alignment properties / Getting ready
  • rendering, with LaTeX / Rendering text with LaTeX, How to do it..., How it works..., There's more...
• text function / Getting ready
• text properties
  • using / Making use of text and font properties, Getting ready, How to do it..., How it works...
• ticks
  • setting / Setting ticks, labels, and grids, Getting ready, How to do it...
  • about / How to do it...
• TimedAnimation (Animation) class / Getting ready
• title function / Getting ready
• toolkit / Creating 3D bars
• transformations / Getting ready

U

• Ubuntu 13.04 / How it works...
• under-plot area
  • filling / Filling an under-plot area, How to do it...
• urllib2 module / Installing a requests module
• usevlines() function / Getting ready

V

• variance / Getting ready
• verticalalignment property / Getting ready
• virtualenv
  • about / Installing virtualenv and virtualenvwrapper
  • installing / Installing virtualenv and virtualenvwrapper, How to do it...
• virtualenvwrapper
  • installing / Installing virtualenv and virtualenvwrapper, How to do it...
  • about / Getting ready
  • URL / Getting ready

W

• whiskers plot / There's more...
  • making / Making a box and a whisker plot, Getting ready, How to do it..., How it works...
• WIMP
  • URL / Processing images with PIL
• windowing algorithm / How it works...
• workon ENV command / How to do it...
• write_data() function / There's more...
• WYSIWYG
  • URL / Processing images with PIL

X

• xlabel function / Getting ready

Y

• ylabel function / Getting ready