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<div class="section" id="animation">
<h1>animation<a class="headerlink" href="#animation" title="Permalink to this headline">¶</a></h1>
<div class="section" id="module-matplotlib.animation">
<span id="matplotlib-animation"></span><h2><a class="reference internal" href="#module-matplotlib.animation" title="matplotlib.animation"><code class="xref py py-mod docutils literal"><span class="pre">matplotlib.animation</span></code></a><a class="headerlink" href="#module-matplotlib.animation" title="Permalink to this headline">¶</a></h2>
<dl class="class">
<dt id="matplotlib.animation.AVConvBase">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">AVConvBase</code><a class="headerlink" href="#matplotlib.animation.AVConvBase" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.FFMpegBase" title="matplotlib.animation.FFMpegBase"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.FFMpegBase</span></code></a></p>
<dl class="attribute">
<dt id="matplotlib.animation.AVConvBase.args_key">
<code class="descname">args_key</code><em class="property"> = 'animation.avconv_args'</em><a class="headerlink" href="#matplotlib.animation.AVConvBase.args_key" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.AVConvBase.exec_key">
<code class="descname">exec_key</code><em class="property"> = 'animation.avconv_path'</em><a class="headerlink" href="#matplotlib.animation.AVConvBase.exec_key" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.AVConvFileWriter">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">AVConvFileWriter</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.AVConvFileWriter" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.AVConvBase" title="matplotlib.animation.AVConvBase"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.AVConvBase</span></code></a>, <a class="reference internal" href="#matplotlib.animation.FFMpegFileWriter" title="matplotlib.animation.FFMpegFileWriter"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.FFMpegFileWriter</span></code></a></p>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.AVConvWriter">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">AVConvWriter</code><span class="sig-paren">(</span><em>fps=5</em>, <em>codec=None</em>, <em>bitrate=None</em>, <em>extra_args=None</em>, <em>metadata=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.AVConvWriter" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.AVConvBase" title="matplotlib.animation.AVConvBase"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.AVConvBase</span></code></a>, <a class="reference internal" href="#matplotlib.animation.FFMpegWriter" title="matplotlib.animation.FFMpegWriter"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.FFMpegWriter</span></code></a></p>
<p>Construct a new MovieWriter object.</p>
<dl class="docutils">
<dt>fps: int</dt>
<dd>Framerate for movie.</dd>
<dt>codec: string or None, optional</dt>
<dd>The codec to use. If None (the default) the setting in the
rcParam <code class="xref py py-obj docutils literal"><span class="pre">animation.codec</span></code> is used.</dd>
<dt>bitrate: int or None, optional</dt>
<dd>The bitrate for the saved movie file, which is one way to control
the output file size and quality. The default value is None,
which uses the value stored in the rcParam <code class="xref py py-obj docutils literal"><span class="pre">animation.bitrate</span></code>.
A value of -1 implies that the bitrate should be determined
automatically by the underlying utility.</dd>
<dt>extra_args: list of strings or None</dt>
<dd>A list of extra string arguments to be passed to the underlying
movie utility. The default is None, which passes the additional
arguments in the ‘animation.extra_args’ rcParam.</dd>
<dt>metadata: dict of string:string or None</dt>
<dd>A dictionary of keys and values for metadata to include in the
output file. Some keys that may be of use include:
title, artist, genre, subject, copyright, srcform, comment.</dd>
</dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.Animation">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">Animation</code><span class="sig-paren">(</span><em>fig</em>, <em>event_source=None</em>, <em>blit=False</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.Animation" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>This class wraps the creation of an animation using matplotlib. It is
only a base class which should be subclassed to provide needed behavior.</p>
<p><em>fig</em> is the figure object that is used to get draw, resize, and any
other needed events.</p>
<p><em>event_source</em> is a class that can run a callback when desired events
are generated, as well as be stopped and started. Examples include timers
(see <a class="reference internal" href="#matplotlib.animation.TimedAnimation" title="matplotlib.animation.TimedAnimation"><code class="xref py py-class docutils literal"><span class="pre">TimedAnimation</span></code></a>) and file system notifications.</p>
<p><em>blit</em> is a boolean that controls whether blitting is used to optimize
drawing.</p>
<dl class="method">
<dt id="matplotlib.animation.Animation.new_frame_seq">
<code class="descname">new_frame_seq</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.Animation.new_frame_seq" title="Permalink to this definition">¶</a></dt>
<dd><p>Creates a new sequence of frame information.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.animation.Animation.new_saved_frame_seq">
<code class="descname">new_saved_frame_seq</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.Animation.new_saved_frame_seq" title="Permalink to this definition">¶</a></dt>
<dd><p>Creates a new sequence of saved/cached frame information.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.animation.Animation.save">
<code class="descname">save</code><span class="sig-paren">(</span><em>filename</em>, <em>writer=None</em>, <em>fps=None</em>, <em>dpi=None</em>, <em>codec=None</em>, <em>bitrate=None</em>, <em>extra_args=None</em>, <em>metadata=None</em>, <em>extra_anim=None</em>, <em>savefig_kwargs=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.Animation.save" title="Permalink to this definition">¶</a></dt>
<dd><p>Saves a movie file by drawing every frame.</p>
<p><em>filename</em> is the output filename, e.g., <code class="file docutils literal"><span class="pre">mymovie.mp4</span></code></p>
<p><em>writer</em> is either an instance of <a class="reference internal" href="#matplotlib.animation.MovieWriter" title="matplotlib.animation.MovieWriter"><code class="xref py py-class docutils literal"><span class="pre">MovieWriter</span></code></a> or a string
key that identifies a class to use, such as ‘ffmpeg’ or ‘mencoder’.
If nothing is passed, the value of the rcparam <code class="xref py py-obj docutils literal"><span class="pre">animation.writer</span></code> is
used.</p>
<p><em>dpi</em> controls the dots per inch for the movie frames. This combined
with the figure’s size in inches controls the size of the movie.</p>
<p><em>savefig_kwargs</em> is a dictionary containing keyword arguments to be
passed on to the ‘savefig’ command which is called repeatedly to save
the individual frames. This can be used to set tight bounding boxes,
for example.</p>
<p><em>extra_anim</em> is a list of additional <a class="reference internal" href="#matplotlib.animation.Animation" title="matplotlib.animation.Animation"><code class="xref py py-obj docutils literal"><span class="pre">Animation</span></code></a> objects that should
be included in the saved movie file. These need to be from the same
<code class="xref py py-obj docutils literal"><span class="pre">matplotlib.Figure</span></code> instance. Also, animation frames will just be
simply combined, so there should be a 1:1 correspondence between
the frames from the different animations.</p>
<p>These remaining arguments are used to construct a <a class="reference internal" href="#matplotlib.animation.MovieWriter" title="matplotlib.animation.MovieWriter"><code class="xref py py-class docutils literal"><span class="pre">MovieWriter</span></code></a>
instance when necessary and are only considered valid if <em>writer</em> is
not a <a class="reference internal" href="#matplotlib.animation.MovieWriter" title="matplotlib.animation.MovieWriter"><code class="xref py py-class docutils literal"><span class="pre">MovieWriter</span></code></a> instance.</p>
<p><em>fps</em> is the frames per second in the movie. Defaults to None,
which will use the animation’s specified interval to set the frames
per second.</p>
<p><em>codec</em> is the video codec to be used. Not all codecs are supported
by a given <a class="reference internal" href="#matplotlib.animation.MovieWriter" title="matplotlib.animation.MovieWriter"><code class="xref py py-class docutils literal"><span class="pre">MovieWriter</span></code></a>. If none is given, this defaults to the
value specified by the rcparam <code class="xref py py-obj docutils literal"><span class="pre">animation.codec</span></code>.</p>
<p><em>bitrate</em> specifies the amount of bits used per second in the
compressed movie, in kilobits per second. A higher number means a
higher quality movie, but at the cost of increased file size. If no
value is given, this defaults to the value given by the rcparam
<code class="xref py py-obj docutils literal"><span class="pre">animation.bitrate</span></code>.</p>
<p><em>extra_args</em> is a list of extra string arguments to be passed to the
underlying movie utility. The default is None, which passes the
additional arguments in the ‘animation.extra_args’ rcParam.</p>
<p><em>metadata</em> is a dictionary of keys and values for metadata to include
in the output file. Some keys that may be of use include:
title, artist, genre, subject, copyright, srcform, comment.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.animation.Animation.to_html5_video">
<code class="descname">to_html5_video</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.Animation.to_html5_video" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns animation as an HTML5 video tag.</p>
<p>This saves the animation as an h264 video, encoded in base64
directly into the HTML5 video tag. This respects the rc parameters
for the writer as well as the bitrate. This also makes use of the
<code class="docutils literal"><span class="pre">interval</span></code> to control the speed, and uses the <code class="docutils literal"><span class="pre">repeat</span></code>
parameter to decide whether to loop.</p>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.ArtistAnimation">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">ArtistAnimation</code><span class="sig-paren">(</span><em>fig</em>, <em>artists</em>, <em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.ArtistAnimation" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.TimedAnimation" title="matplotlib.animation.TimedAnimation"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.TimedAnimation</span></code></a></p>
<p>Before calling this function, all plotting should have taken place
and the relevant artists saved.</p>
<p>frame_info is a list, with each list entry a collection of artists that
represent what needs to be enabled on each frame. These will be disabled
for other frames.</p>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.FFMpegBase">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">FFMpegBase</code><a class="headerlink" href="#matplotlib.animation.FFMpegBase" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<dl class="attribute">
<dt id="matplotlib.animation.FFMpegBase.args_key">
<code class="descname">args_key</code><em class="property"> = 'animation.ffmpeg_args'</em><a class="headerlink" href="#matplotlib.animation.FFMpegBase.args_key" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.FFMpegBase.exec_key">
<code class="descname">exec_key</code><em class="property"> = 'animation.ffmpeg_path'</em><a class="headerlink" href="#matplotlib.animation.FFMpegBase.exec_key" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.FFMpegBase.output_args">
<code class="descname">output_args</code><a class="headerlink" href="#matplotlib.animation.FFMpegBase.output_args" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.FFMpegFileWriter">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">FFMpegFileWriter</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.FFMpegFileWriter" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.FileMovieWriter" title="matplotlib.animation.FileMovieWriter"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.FileMovieWriter</span></code></a>, <a class="reference internal" href="#matplotlib.animation.FFMpegBase" title="matplotlib.animation.FFMpegBase"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.FFMpegBase</span></code></a></p>
<dl class="attribute">
<dt id="matplotlib.animation.FFMpegFileWriter.supported_formats">
<code class="descname">supported_formats</code><em class="property"> = ['png', 'jpeg', 'ppm', 'tiff', 'sgi', 'bmp', 'pbm', 'raw', 'rgba']</em><a class="headerlink" href="#matplotlib.animation.FFMpegFileWriter.supported_formats" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.FFMpegWriter">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">FFMpegWriter</code><span class="sig-paren">(</span><em>fps=5</em>, <em>codec=None</em>, <em>bitrate=None</em>, <em>extra_args=None</em>, <em>metadata=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.FFMpegWriter" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.MovieWriter" title="matplotlib.animation.MovieWriter"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.MovieWriter</span></code></a>, <a class="reference internal" href="#matplotlib.animation.FFMpegBase" title="matplotlib.animation.FFMpegBase"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.FFMpegBase</span></code></a></p>
<p>Construct a new MovieWriter object.</p>
<dl class="docutils">
<dt>fps: int</dt>
<dd>Framerate for movie.</dd>
<dt>codec: string or None, optional</dt>
<dd>The codec to use. If None (the default) the setting in the
rcParam <code class="xref py py-obj docutils literal"><span class="pre">animation.codec</span></code> is used.</dd>
<dt>bitrate: int or None, optional</dt>
<dd>The bitrate for the saved movie file, which is one way to control
the output file size and quality. The default value is None,
which uses the value stored in the rcParam <code class="xref py py-obj docutils literal"><span class="pre">animation.bitrate</span></code>.
A value of -1 implies that the bitrate should be determined
automatically by the underlying utility.</dd>
<dt>extra_args: list of strings or None</dt>
<dd>A list of extra string arguments to be passed to the underlying
movie utility. The default is None, which passes the additional
arguments in the ‘animation.extra_args’ rcParam.</dd>
<dt>metadata: dict of string:string or None</dt>
<dd>A dictionary of keys and values for metadata to include in the
output file. Some keys that may be of use include:
title, artist, genre, subject, copyright, srcform, comment.</dd>
</dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.FileMovieWriter">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">FileMovieWriter</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.FileMovieWriter" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.MovieWriter" title="matplotlib.animation.MovieWriter"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.MovieWriter</span></code></a></p>
<p><a class="reference internal" href="#matplotlib.animation.MovieWriter" title="matplotlib.animation.MovieWriter"><code class="xref py py-obj docutils literal"><span class="pre">MovieWriter</span></code></a> subclass that handles writing to a file.</p>
<dl class="method">
<dt id="matplotlib.animation.FileMovieWriter.cleanup">
<code class="descname">cleanup</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.FileMovieWriter.cleanup" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="matplotlib.animation.FileMovieWriter.finish">
<code class="descname">finish</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.FileMovieWriter.finish" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.FileMovieWriter.frame_format">
<code class="descname">frame_format</code><a class="headerlink" href="#matplotlib.animation.FileMovieWriter.frame_format" title="Permalink to this definition">¶</a></dt>
<dd><p>Format (png, jpeg, etc.) to use for saving the frames, which can be
decided by the individual subclasses.</p>
</dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.FileMovieWriter.frame_size_can_vary">
<code class="descname">frame_size_can_vary</code><em class="property"> = True</em><a class="headerlink" href="#matplotlib.animation.FileMovieWriter.frame_size_can_vary" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="matplotlib.animation.FileMovieWriter.grab_frame">
<code class="descname">grab_frame</code><span class="sig-paren">(</span><em>**savefig_kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.FileMovieWriter.grab_frame" title="Permalink to this definition">¶</a></dt>
<dd><p>Grab the image information from the figure and save as a movie frame.
All keyword arguments in savefig_kwargs are passed on to the ‘savefig’
command that saves the figure.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.animation.FileMovieWriter.setup">
<code class="descname">setup</code><span class="sig-paren">(</span><em>fig</em>, <em>outfile</em>, <em>dpi</em>, <em>frame_prefix='_tmp'</em>, <em>clear_temp=True</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.FileMovieWriter.setup" title="Permalink to this definition">¶</a></dt>
<dd><p>Perform setup for writing the movie file.</p>
<dl class="docutils">
<dt>fig: <code class="xref py py-obj docutils literal"><span class="pre">matplotlib.Figure</span></code> instance</dt>
<dd>The figure object that contains the information for frames</dd>
<dt>outfile: string</dt>
<dd>The filename of the resulting movie file</dd>
<dt>dpi: int</dt>
<dd>The DPI (or resolution) for the file. This controls the size
in pixels of the resulting movie file.</dd>
<dt>frame_prefix: string, optional</dt>
<dd>The filename prefix to use for the temporary files. Defaults
to ‘_tmp’</dd>
<dt>clear_temp: bool</dt>
<dd>Specifies whether the temporary files should be deleted after
the movie is written. (Useful for debugging.) Defaults to True.</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.FuncAnimation">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">FuncAnimation</code><span class="sig-paren">(</span><em>fig</em>, <em>func</em>, <em>frames=None</em>, <em>init_func=None</em>, <em>fargs=None</em>, <em>save_count=None</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.FuncAnimation" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.TimedAnimation" title="matplotlib.animation.TimedAnimation"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.TimedAnimation</span></code></a></p>
<p>Makes an animation by repeatedly calling a function <em>func</em>, passing in
(optional) arguments in <em>fargs</em>.</p>
<p><em>frames</em> can be a generator, an iterable, or a number of frames.</p>
<p><em>init_func</em> is a function used to draw a clear frame. If not given, the
results of drawing from the first item in the frames sequence will be
used. This function will be called once before the first frame.</p>
<p>If blit=True, <em>func</em> and <em>init_func</em> must return an iterable of
artists to be re-drawn.</p>
<p><em>kwargs</em> include <em>repeat</em>, <em>repeat_delay</em>, and <em>interval</em>:
<em>interval</em> draws a new frame every <em>interval</em> milliseconds.
<em>repeat</em> controls whether the animation should repeat when the sequence
of frames is completed.
<em>repeat_delay</em> optionally adds a delay in milliseconds before repeating
the animation.</p>
<dl class="method">
<dt id="matplotlib.animation.FuncAnimation.new_frame_seq">
<code class="descname">new_frame_seq</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.FuncAnimation.new_frame_seq" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="matplotlib.animation.FuncAnimation.new_saved_frame_seq">
<code class="descname">new_saved_frame_seq</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.FuncAnimation.new_saved_frame_seq" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.ImageMagickBase">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">ImageMagickBase</code><a class="headerlink" href="#matplotlib.animation.ImageMagickBase" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<dl class="attribute">
<dt id="matplotlib.animation.ImageMagickBase.args_key">
<code class="descname">args_key</code><em class="property"> = 'animation.convert_args'</em><a class="headerlink" href="#matplotlib.animation.ImageMagickBase.args_key" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.ImageMagickBase.delay">
<code class="descname">delay</code><a class="headerlink" href="#matplotlib.animation.ImageMagickBase.delay" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.ImageMagickBase.exec_key">
<code class="descname">exec_key</code><em class="property"> = 'animation.convert_path'</em><a class="headerlink" href="#matplotlib.animation.ImageMagickBase.exec_key" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.ImageMagickBase.output_args">
<code class="descname">output_args</code><a class="headerlink" href="#matplotlib.animation.ImageMagickBase.output_args" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.ImageMagickFileWriter">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">ImageMagickFileWriter</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.ImageMagickFileWriter" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.FileMovieWriter" title="matplotlib.animation.FileMovieWriter"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.FileMovieWriter</span></code></a>, <a class="reference internal" href="#matplotlib.animation.ImageMagickBase" title="matplotlib.animation.ImageMagickBase"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.ImageMagickBase</span></code></a></p>
<dl class="attribute">
<dt id="matplotlib.animation.ImageMagickFileWriter.supported_formats">
<code class="descname">supported_formats</code><em class="property"> = ['png', 'jpeg', 'ppm', 'tiff', 'sgi', 'bmp', 'pbm', 'raw', 'rgba']</em><a class="headerlink" href="#matplotlib.animation.ImageMagickFileWriter.supported_formats" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.ImageMagickWriter">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">ImageMagickWriter</code><span class="sig-paren">(</span><em>fps=5</em>, <em>codec=None</em>, <em>bitrate=None</em>, <em>extra_args=None</em>, <em>metadata=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.ImageMagickWriter" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.MovieWriter" title="matplotlib.animation.MovieWriter"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.MovieWriter</span></code></a>, <a class="reference internal" href="#matplotlib.animation.ImageMagickBase" title="matplotlib.animation.ImageMagickBase"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.ImageMagickBase</span></code></a></p>
<p>Construct a new MovieWriter object.</p>
<dl class="docutils">
<dt>fps: int</dt>
<dd>Framerate for movie.</dd>
<dt>codec: string or None, optional</dt>
<dd>The codec to use. If None (the default) the setting in the
rcParam <code class="xref py py-obj docutils literal"><span class="pre">animation.codec</span></code> is used.</dd>
<dt>bitrate: int or None, optional</dt>
<dd>The bitrate for the saved movie file, which is one way to control
the output file size and quality. The default value is None,
which uses the value stored in the rcParam <code class="xref py py-obj docutils literal"><span class="pre">animation.bitrate</span></code>.
A value of -1 implies that the bitrate should be determined
automatically by the underlying utility.</dd>
<dt>extra_args: list of strings or None</dt>
<dd>A list of extra string arguments to be passed to the underlying
movie utility. The default is None, which passes the additional
arguments in the ‘animation.extra_args’ rcParam.</dd>
<dt>metadata: dict of string:string or None</dt>
<dd>A dictionary of keys and values for metadata to include in the
output file. Some keys that may be of use include:
title, artist, genre, subject, copyright, srcform, comment.</dd>
</dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.MencoderBase">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">MencoderBase</code><a class="headerlink" href="#matplotlib.animation.MencoderBase" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<dl class="attribute">
<dt id="matplotlib.animation.MencoderBase.allowed_metadata">
<code class="descname">allowed_metadata</code><em class="property"> = ['name', 'artist', 'genre', 'subject', 'copyright', 'srcform', 'comment']</em><a class="headerlink" href="#matplotlib.animation.MencoderBase.allowed_metadata" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.MencoderBase.args_key">
<code class="descname">args_key</code><em class="property"> = 'animation.mencoder_args'</em><a class="headerlink" href="#matplotlib.animation.MencoderBase.args_key" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.MencoderBase.exec_key">
<code class="descname">exec_key</code><em class="property"> = 'animation.mencoder_path'</em><a class="headerlink" href="#matplotlib.animation.MencoderBase.exec_key" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.MencoderBase.output_args">
<code class="descname">output_args</code><a class="headerlink" href="#matplotlib.animation.MencoderBase.output_args" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.MencoderFileWriter">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">MencoderFileWriter</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MencoderFileWriter" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.FileMovieWriter" title="matplotlib.animation.FileMovieWriter"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.FileMovieWriter</span></code></a>, <a class="reference internal" href="#matplotlib.animation.MencoderBase" title="matplotlib.animation.MencoderBase"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.MencoderBase</span></code></a></p>
<dl class="attribute">
<dt id="matplotlib.animation.MencoderFileWriter.supported_formats">
<code class="descname">supported_formats</code><em class="property"> = ['png', 'jpeg', 'tga', 'sgi']</em><a class="headerlink" href="#matplotlib.animation.MencoderFileWriter.supported_formats" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.MencoderWriter">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">MencoderWriter</code><span class="sig-paren">(</span><em>fps=5</em>, <em>codec=None</em>, <em>bitrate=None</em>, <em>extra_args=None</em>, <em>metadata=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MencoderWriter" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.MovieWriter" title="matplotlib.animation.MovieWriter"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.MovieWriter</span></code></a>, <a class="reference internal" href="#matplotlib.animation.MencoderBase" title="matplotlib.animation.MencoderBase"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.MencoderBase</span></code></a></p>
<p>Construct a new MovieWriter object.</p>
<dl class="docutils">
<dt>fps: int</dt>
<dd>Framerate for movie.</dd>
<dt>codec: string or None, optional</dt>
<dd>The codec to use. If None (the default) the setting in the
rcParam <code class="xref py py-obj docutils literal"><span class="pre">animation.codec</span></code> is used.</dd>
<dt>bitrate: int or None, optional</dt>
<dd>The bitrate for the saved movie file, which is one way to control
the output file size and quality. The default value is None,
which uses the value stored in the rcParam <code class="xref py py-obj docutils literal"><span class="pre">animation.bitrate</span></code>.
A value of -1 implies that the bitrate should be determined
automatically by the underlying utility.</dd>
<dt>extra_args: list of strings or None</dt>
<dd>A list of extra string arguments to be passed to the underlying
movie utility. The default is None, which passes the additional
arguments in the ‘animation.extra_args’ rcParam.</dd>
<dt>metadata: dict of string:string or None</dt>
<dd>A dictionary of keys and values for metadata to include in the
output file. Some keys that may be of use include:
title, artist, genre, subject, copyright, srcform, comment.</dd>
</dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.MovieWriter">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">MovieWriter</code><span class="sig-paren">(</span><em>fps=5</em>, <em>codec=None</em>, <em>bitrate=None</em>, <em>extra_args=None</em>, <em>metadata=None</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriter" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<p>Base class for writing movies. Fundamentally, what a MovieWriter does
is provide is a way to grab frames by calling grab_frame(). setup()
is called to start the process and finish() is called afterwards.
This class is set up to provide for writing movie frame data to a pipe.
saving() is provided as a context manager to facilitate this process as:</p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="k">with</span> <span class="n">moviewriter</span><span class="o">.</span><span class="n">saving</span><span class="p">(</span><span class="s1">'myfile.mp4'</span><span class="p">):</span>
<span class="c1"># Iterate over frames</span>
<span class="n">moviewriter</span><span class="o">.</span><span class="n">grab_frame</span><span class="p">()</span>
</pre></div>
</div>
<p>The use of the context manager ensures that setup and cleanup are
performed as necessary.</p>
<dl class="docutils">
<dt>frame_format: string</dt>
<dd>The format used in writing frame data, defaults to ‘rgba’</dd>
</dl>
<p>Construct a new MovieWriter object.</p>
<dl class="docutils">
<dt>fps: int</dt>
<dd>Framerate for movie.</dd>
<dt>codec: string or None, optional</dt>
<dd>The codec to use. If None (the default) the setting in the
rcParam <code class="xref py py-obj docutils literal"><span class="pre">animation.codec</span></code> is used.</dd>
<dt>bitrate: int or None, optional</dt>
<dd>The bitrate for the saved movie file, which is one way to control
the output file size and quality. The default value is None,
which uses the value stored in the rcParam <code class="xref py py-obj docutils literal"><span class="pre">animation.bitrate</span></code>.
A value of -1 implies that the bitrate should be determined
automatically by the underlying utility.</dd>
<dt>extra_args: list of strings or None</dt>
<dd>A list of extra string arguments to be passed to the underlying
movie utility. The default is None, which passes the additional
arguments in the ‘animation.extra_args’ rcParam.</dd>
<dt>metadata: dict of string:string or None</dt>
<dd>A dictionary of keys and values for metadata to include in the
output file. Some keys that may be of use include:
title, artist, genre, subject, copyright, srcform, comment.</dd>
</dl>
<dl class="classmethod">
<dt id="matplotlib.animation.MovieWriter.bin_path">
<em class="property">classmethod </em><code class="descname">bin_path</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriter.bin_path" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns the binary path to the commandline tool used by a specific
subclass. This is a class method so that the tool can be looked for
before making a particular MovieWriter subclass available.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.animation.MovieWriter.cleanup">
<code class="descname">cleanup</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriter.cleanup" title="Permalink to this definition">¶</a></dt>
<dd><p>Clean-up and collect the process used to write the movie file.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.animation.MovieWriter.finish">
<code class="descname">finish</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriter.finish" title="Permalink to this definition">¶</a></dt>
<dd><p>Finish any processing for writing the movie.</p>
</dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.MovieWriter.frame_size">
<code class="descname">frame_size</code><a class="headerlink" href="#matplotlib.animation.MovieWriter.frame_size" title="Permalink to this definition">¶</a></dt>
<dd><p>A tuple (width,height) in pixels of a movie frame.</p>
</dd></dl>
<dl class="attribute">
<dt id="matplotlib.animation.MovieWriter.frame_size_can_vary">
<code class="descname">frame_size_can_vary</code><em class="property"> = False</em><a class="headerlink" href="#matplotlib.animation.MovieWriter.frame_size_can_vary" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="matplotlib.animation.MovieWriter.grab_frame">
<code class="descname">grab_frame</code><span class="sig-paren">(</span><em>**savefig_kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriter.grab_frame" title="Permalink to this definition">¶</a></dt>
<dd><p>Grab the image information from the figure and save as a movie frame.
All keyword arguments in savefig_kwargs are passed on to the ‘savefig’
command that saves the figure.</p>
</dd></dl>
<dl class="classmethod">
<dt id="matplotlib.animation.MovieWriter.isAvailable">
<em class="property">classmethod </em><code class="descname">isAvailable</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriter.isAvailable" title="Permalink to this definition">¶</a></dt>
<dd><p>Check to see if a MovieWriter subclass is actually available by
running the commandline tool.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.animation.MovieWriter.saving">
<code class="descname">saving</code><span class="sig-paren">(</span><em>*args</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriter.saving" title="Permalink to this definition">¶</a></dt>
<dd><p>Context manager to facilitate writing the movie file.</p>
<p><code class="docutils literal"><span class="pre">*args</span></code> are any parameters that should be passed to <a class="reference internal" href="#matplotlib.animation.MovieWriter.setup" title="matplotlib.animation.MovieWriter.setup"><code class="xref py py-obj docutils literal"><span class="pre">setup</span></code></a>.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.animation.MovieWriter.setup">
<code class="descname">setup</code><span class="sig-paren">(</span><em>fig</em>, <em>outfile</em>, <em>dpi</em>, <em>*args</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriter.setup" title="Permalink to this definition">¶</a></dt>
<dd><p>Perform setup for writing the movie file.</p>
<dl class="docutils">
<dt>fig: <code class="xref py py-obj docutils literal"><span class="pre">matplotlib.Figure</span></code> instance</dt>
<dd>The figure object that contains the information for frames</dd>
<dt>outfile: string</dt>
<dd>The filename of the resulting movie file</dd>
<dt>dpi: int</dt>
<dd>The DPI (or resolution) for the file. This controls the size
in pixels of the resulting movie file.</dd>
</dl>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.MovieWriterRegistry">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">MovieWriterRegistry</code><a class="headerlink" href="#matplotlib.animation.MovieWriterRegistry" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal"><span class="pre">object</span></code></p>
<dl class="method">
<dt id="matplotlib.animation.MovieWriterRegistry.is_available">
<code class="descname">is_available</code><span class="sig-paren">(</span><em>name</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriterRegistry.is_available" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="matplotlib.animation.MovieWriterRegistry.list">
<code class="descname">list</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriterRegistry.list" title="Permalink to this definition">¶</a></dt>
<dd><p>Get a list of available MovieWriters.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.animation.MovieWriterRegistry.register">
<code class="descname">register</code><span class="sig-paren">(</span><em>name</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.MovieWriterRegistry.register" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
</dd></dl>
<dl class="class">
<dt id="matplotlib.animation.TimedAnimation">
<em class="property">class </em><code class="descclassname">matplotlib.animation.</code><code class="descname">TimedAnimation</code><span class="sig-paren">(</span><em>fig</em>, <em>interval=200</em>, <em>repeat_delay=None</em>, <em>repeat=True</em>, <em>event_source=None</em>, <em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#matplotlib.animation.TimedAnimation" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference internal" href="#matplotlib.animation.Animation" title="matplotlib.animation.Animation"><code class="xref py py-class docutils literal"><span class="pre">matplotlib.animation.Animation</span></code></a></p>
<p><a class="reference internal" href="#matplotlib.animation.Animation" title="matplotlib.animation.Animation"><code class="xref py py-class docutils literal"><span class="pre">Animation</span></code></a> subclass that supports time-based animation, drawing
a new frame every <em>interval</em> milliseconds.</p>
<p><em>repeat</em> controls whether the animation should repeat when the sequence
of frames is completed.</p>
<p><em>repeat_delay</em> optionally adds a delay in milliseconds before repeating
the animation.</p>
</dd></dl>
</div>
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© Copyright 2002 - 2012 John Hunter, Darren Dale, Eric Firing, Michael Droettboom and the matplotlib development team; 2012 - 2014 The matplotlib development team.
Last updated on Dec 19, 2016.
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