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added subplots adjust faq to docs
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‎doc/faq/howto_faq.rst‎

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.. _howto-faq:
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*********
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HOWTO FAQ
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*********
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*****
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Howto
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*****
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.. _howto-subplots-adjust:
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How do I move the edge of my axes area over to make room for my tick labels?
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============================================================================
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For subplots, you can control the default spacing on the left, right,
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bottom, and top as well as the horizontal and vertical spacing between
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multiple rows and columns using the
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:meth:`matplotlib.figure.Figure.subplots_adjust` method (in pyplot it
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is :func:`~matplotlib.pyplot.subplots_adjust`). For example, to move
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the bottom of the subplots up to make room for some rotated x tick
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labels::
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fig = plt.figure()
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fig.subplots_adjust(bottom=0.2)
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ax = fig.add_subplot(111)
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You can control the defaults for these parameters in your
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:file:`matplotlibrc` file; see :ref:`customizing-matplotlib`. For
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example, to make the above setting permanent, you would set::
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figure.subplot.bottom : 0.2 # the bottom of the subplots of the figure
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The other parameters you can configure are, with their defaults
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*left* = 0.125
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the left side of the subplots of the figure
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*right* = 0.9
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the right side of the subplots of the figure
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*bottom* = 0.1
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the bottom of the subplots of the figure
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*top* = 0.9
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the top of the subplots of the figure
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*wspace* = 0.2
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the amount of width reserved for blank space between subplots
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*hspace* = 0.2
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the amount of height reserved for white space between subplots
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If you want additional control, you can create an
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:class:`~matplotlib.axes.Axes` using the
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:func:`~matplotlib.pyplot.axes` command (or equivalently the figure
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:meth:`matplotlib.figure.Figure.add_axes` method), which allows you to
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specify the location explicitly::
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ax = fig.add_axes([left, bottom, width, height])
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where all values are in fractional (0 to 1) coordinates. See
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`axes_demo.py <http://matplotlib.sf.net/examples/axes_demo.py>`_ for
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an example of placing axes manually.
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.. _howto-ticks:
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‎doc/faq/installing_faq.rst‎

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.. _installing-faq:
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******************
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Installation FAQ
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******************
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*************
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Installation
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*************
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How do I report a compilation problem?
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For example, with GTK, you can also select GDK rendering (backend
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``GTK``) or Cairo rendering (backend ``GTKCairo``).
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For the rendering engines, one can also distinguish between vector or
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raster renderers. Vector issue drawing commands like "draw a line
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from this point to this point" and hence are scale free, and raster
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backends generate a pixel represenation of the line whose accuracy
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depends on a DPI setting.
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For the rendering engines, one can also distinguish between `vector
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<http://en.wikipedia.org/wiki/Vector_graphics>`_ or `raster
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<http://en.wikipedia.org/wiki/Raster_graphics>`_ renderers. Vector
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graphics languages issue drawing commands like "draw a line from this
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point to this point" and hence are scale free, and raster backends
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generate a pixel represenation of the line whose accuracy depends on a
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DPI setting.
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Here is a summary of the matplotlib renderers (there is an eponymous
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backed for each):
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:term:`pdf`
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:term:`svg`
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...
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:term:`GDK` :term:`png` :term:`raster graphics` --
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:term:`GDK` :term:`png` :term:`raster graphics` --
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:term:`jpg` the `Gimp Drawing Kit`_
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:term:`tiff`
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...

‎doc/faq/troubleshooting_faq.rst‎

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.. _troubleshooting-faq:
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*******************
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Troubleshooting FAQ
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*******************
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***************
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Troubleshooting
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***************
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.. _matplotlib-version:
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‎doc/glossary/index.rst‎

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Cairo
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The Cairo graphics engine
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EPS
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Encapsulated Postscript
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FLTK
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FLTK (pronounced "fulltick") is a cross-platform C++ GUI toolkit for
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UNIX/Linux (X11), Microsoft Windows, and MacOS X
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GDK
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The Gimp Drawing Kit for GTK+
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PDF
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Adobe's Portable Document Format
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PNG
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PNG stands for Portable Network Graphics, a raster graphics format that
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employs lossless data compression which is more suitable for line art
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Qt
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Qt is a cross-platform application framework for desktop and embedded
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development.
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Qt4
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Qt4 is the most recent version of Qt cross-platform application framework
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for desktop and embedded development.
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raster graphics
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Raster graphics, or bitmaps, represent an image as an array of pixels
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which is resolution dependent. Raster graphics are generally most
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practical for photo-realistic images, but do not scale easily without
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loss of quality.
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loss of quality. See `raster graphics <http://en.wikipedia.org/wiki/Raster_graphics>`_
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SVG
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The Scalable Vector Graphics format.
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wxWidgets
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A cross-platform GUI and tools library for GTK, MS Windows, and MacOS.
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vector graphics
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The use of geometrical primitives based upon mathematical equations to
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represent images in computer graphics. Primitives can include points,
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lines, curves, and shapes or polygons. Vector graphics are scalable,
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which means that they can be resized without suffering from issues
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related to inherent resolution like are seen in raster graphics. Vector
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graphics are generally most practical for typesetting and graphic design
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applications.
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applications. See `vector graphics <http://en.wikipedia.org/wiki/Vector_graphics>`_

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