{{ message }}
-
Notifications
You must be signed in to change notification settings - Fork 62
Expand file tree
/
Copy pathbuttons.html
More file actions
184 lines (153 loc) · 12.8 KB
/
Copy pathbuttons.html
File metadata and controls
184 lines (153 loc) · 12.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>widgets example code: buttons.py — Matplotlib 1.4.1 documentation</title>
<link rel="stylesheet" href="../../_static/mpl.css"
type="text/css" />
<link rel="stylesheet" href="../../_static/pygments.css"
type="text/css" />
<script type="text/javascript">
var DOCUMENTATION_OPTIONS = {
URL_ROOT: '../../',
VERSION: '1.4.1',
COLLAPSE_INDEX: false,
FILE_SUFFIX: '.html',
HAS_SOURCE: true
};
</script>
<script type="text/javascript" src="../../_static/jquery.js"></script>
<script type="text/javascript" src="../../_static/underscore.js"></script>
<script type="text/javascript" src="../../_static/doctools.js"></script>
<link rel="search" type="application/opensearchdescription+xml"
title="Search within Matplotlib 1.4.1 documentation"
href="../../_static/opensearch.xml"/>
<link rel="top" title="Matplotlib 1.4.1 documentation" href="../../index.html" />
<link rel="up" title="widgets Examples" href="index.html" />
<link rel="next" title="widgets example code: check_buttons.py" href="check_buttons.html" />
<link rel="prev" title="widgets Examples" href="index.html" />
<link href="https://fonts.googleapis.com/css?family=Raleway" rel="stylesheet" type="text/css">
<link rel="canonical" href="https://matplotlib.org/2.0.2/examples/widgets/buttons.html" />
<script data-domain="matplotlib.org" defer="defer" src="https://views.scientific-python.org/js/script.js"></script>
</head>
<body>
<div id="unreleased-message"> You are reading an old version of the documentation (v1.4.1). For the latest version see <a href="/stable/">https://matplotlib.org/stable/</a> </div>
<link rel="shortcut icon" href="/_static/favicon.ico">
<!-- The "Fork me on github" ribbon -->
<img style="float: right; margin-bottom: -40px; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_orange_ff7600.png" usemap="#ribbonmap"/>
<map name="ribbonmap">
<area shape="poly" coords="15,0,148,-1,148,135" href="https://github.com/matplotlib/matplotlib" title="Fork me on GitHub" />
</map>
<div style="background-color: white; text-align: left; padding: 10px 10px 15px 15px">
<a href="../../index.html"><img src="../../_static/logo2.png" border="0" alt="matplotlib"/></a>
</div>
<div class="related">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../../genindex.html" title="General Index"
accesskey="I">index</a></li>
<li class="right" >
<a href="../../py-modindex.html" title="Python Module Index"
>modules</a> |</li>
<li class="right" >
<a href="check_buttons.html" title="widgets example code: check_buttons.py"
accesskey="N">next</a> |</li>
<li class="right" >
<a href="index.html" title="widgets Examples"
accesskey="P">previous</a> |</li>
<li><a href="../../index.html">home</a>| </li>
<li><a href="../index.html">examples</a>| </li>
<li><a href="../../gallery.html">gallery</a>| </li>
<li><a href="../../api/pyplot_summary.html">pyplot</a>| </li>
<li><a href="../../contents.html">docs</a> »</li>
<li><a href="../index.html" >Matplotlib Examples</a> »</li>
<li><a href="index.html" accesskey="U">widgets Examples</a> »</li>
</ul>
</div>
<div class="sphinxsidebar">
<div class="sphinxsidebarwrapper">
<h4>Previous topic</h4>
<p class="topless"><a href="index.html"
title="previous chapter">widgets Examples</a></p>
<h4>Next topic</h4>
<p class="topless"><a href="check_buttons.html"
title="next chapter">widgets example code: check_buttons.py</a></p>
<div role="note" aria-label="source link">
<h3>This Page</h3>
<ul class="this-page-menu">
<li><a href="../../_sources/examples/widgets/buttons.txt"
rel="nofollow">Show Source</a></li>
</ul>
</div>
<div id="searchbox" style="display: none" role="search">
<h3>Quick search</h3>
<form class="search" action="../../search.html" method="get">
<input type="text" name="q" />
<input type="submit" value="Go" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
<p class="searchtip" style="font-size: 90%">
Enter search terms or a module, class or function name.
</p>
</div>
<script type="text/javascript">$('#searchbox').show(0);</script>
</div>
</div>
<div class="document">
<div class="documentwrapper">
<div class="bodywrapper">
<div class="body">
<div class="section" id="widgets-example-code-buttons-py">
<span id="widgets-buttons"></span><h1>widgets example code: buttons.py<a class="headerlink" href="#widgets-example-code-buttons-py" title="Permalink to this headline">¶</a></h1>
<p>[<a class="reference external" href="buttons.py">source code</a>]</p>
<div class="highlight-python"><div class="highlight"><pre><span class="kn">import</span> <span class="nn">numpy</span> <span class="kn">as</span> <span class="nn">np</span>
<span class="kn">import</span> <span class="nn">matplotlib.pyplot</span> <span class="kn">as</span> <span class="nn">plt</span>
<span class="kn">from</span> <span class="nn">matplotlib.widgets</span> <span class="kn">import</span> <span class="n">Button</span>
<span class="n">freqs</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">20</span><span class="p">,</span> <span class="mi">3</span><span class="p">)</span>
<span class="n">fig</span><span class="p">,</span> <span class="n">ax</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">subplots</span><span class="p">()</span>
<span class="n">plt</span><span class="o">.</span><span class="n">subplots_adjust</span><span class="p">(</span><span class="n">bottom</span><span class="o">=</span><span class="mf">0.2</span><span class="p">)</span>
<span class="n">t</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span> <span class="mf">1.0</span><span class="p">,</span> <span class="mf">0.001</span><span class="p">)</span>
<span class="n">s</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sin</span><span class="p">(</span><span class="mi">2</span><span class="o">*</span><span class="n">np</span><span class="o">.</span><span class="n">pi</span><span class="o">*</span><span class="n">freqs</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">*</span><span class="n">t</span><span class="p">)</span>
<span class="n">l</span><span class="p">,</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span><span class="n">t</span><span class="p">,</span> <span class="n">s</span><span class="p">,</span> <span class="n">lw</span><span class="o">=</span><span class="mi">2</span><span class="p">)</span>
<span class="k">class</span> <span class="nc">Index</span><span class="p">:</span>
<span class="n">ind</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">def</span> <span class="nf">next</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ind</span> <span class="o">+=</span> <span class="mi">1</span>
<span class="n">i</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ind</span> <span class="o">%</span> <span class="nb">len</span><span class="p">(</span><span class="n">freqs</span><span class="p">)</span>
<span class="n">ydata</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sin</span><span class="p">(</span><span class="mi">2</span><span class="o">*</span><span class="n">np</span><span class="o">.</span><span class="n">pi</span><span class="o">*</span><span class="n">freqs</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">*</span><span class="n">t</span><span class="p">)</span>
<span class="n">l</span><span class="o">.</span><span class="n">set_ydata</span><span class="p">(</span><span class="n">ydata</span><span class="p">)</span>
<span class="n">plt</span><span class="o">.</span><span class="n">draw</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">prev</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">event</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ind</span> <span class="o">-=</span> <span class="mi">1</span>
<span class="n">i</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">ind</span> <span class="o">%</span> <span class="nb">len</span><span class="p">(</span><span class="n">freqs</span><span class="p">)</span>
<span class="n">ydata</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sin</span><span class="p">(</span><span class="mi">2</span><span class="o">*</span><span class="n">np</span><span class="o">.</span><span class="n">pi</span><span class="o">*</span><span class="n">freqs</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">*</span><span class="n">t</span><span class="p">)</span>
<span class="n">l</span><span class="o">.</span><span class="n">set_ydata</span><span class="p">(</span><span class="n">ydata</span><span class="p">)</span>
<span class="n">plt</span><span class="o">.</span><span class="n">draw</span><span class="p">()</span>
<span class="n">callback</span> <span class="o">=</span> <span class="n">Index</span><span class="p">()</span>
<span class="n">axprev</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">axes</span><span class="p">([</span><span class="mf">0.7</span><span class="p">,</span> <span class="mf">0.05</span><span class="p">,</span> <span class="mf">0.1</span><span class="p">,</span> <span class="mf">0.075</span><span class="p">])</span>
<span class="n">axnext</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">axes</span><span class="p">([</span><span class="mf">0.81</span><span class="p">,</span> <span class="mf">0.05</span><span class="p">,</span> <span class="mf">0.1</span><span class="p">,</span> <span class="mf">0.075</span><span class="p">])</span>
<span class="n">bnext</span> <span class="o">=</span> <span class="n">Button</span><span class="p">(</span><span class="n">axnext</span><span class="p">,</span> <span class="s">'Next'</span><span class="p">)</span>
<span class="n">bnext</span><span class="o">.</span><span class="n">on_clicked</span><span class="p">(</span><span class="n">callback</span><span class="o">.</span><span class="n">next</span><span class="p">)</span>
<span class="n">bprev</span> <span class="o">=</span> <span class="n">Button</span><span class="p">(</span><span class="n">axprev</span><span class="p">,</span> <span class="s">'Previous'</span><span class="p">)</span>
<span class="n">bprev</span><span class="o">.</span><span class="n">on_clicked</span><span class="p">(</span><span class="n">callback</span><span class="o">.</span><span class="n">prev</span><span class="p">)</span>
<span class="n">plt</span><span class="o">.</span><span class="n">show</span><span class="p">()</span>
</pre></div>
</div>
<p>Keywords: python, matplotlib, pylab, example, codex (see <a class="reference internal" href="../../faq/howto_faq.html#how-to-search-examples"><em>Search examples</em></a>)</p>
</div>
</div>
</div>
</div>
<div class="clearer"></div>
</div>
<div class="footer">
© 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 Oct 18, 2014.
Created using <a
href="http://sphinx-doc.org/">Sphinx</a> 1.3b2.
</div>
</body>
</html>
You can’t perform that action at this time.