-
Notifications
You must be signed in to change notification settings - Fork 6
Expand file tree
/
Copy pathimage_zcoord.html
More file actions
342 lines (279 loc) · 15.7 KB
/
image_zcoord.html
File metadata and controls
342 lines (279 loc) · 15.7 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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
<!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>Modifying the coordinate formatter — Matplotlib 2.0.2.post4416.dev0+g1df513f documentation</title>
<link rel="stylesheet" href="../../_static/mpl.css"
type="text/css" />
<link rel="stylesheet" href="../../_static/pygments.css"
type="text/css" />
<link rel="stylesheet" href="../../_static/gallery.css" type="text/css" />
<script type="text/javascript">
var DOCUMENTATION_OPTIONS = {
URL_ROOT: '../../',
VERSION: '2.0.2.post4416.dev0+g1df513f',
COLLAPSE_INDEX: false,
FILE_SUFFIX: '.html',
HAS_SOURCE: true,
SOURCELINK_SUFFIX: '.txt'
};
</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 2.0.2.post4416.dev0+g1df513f documentation"
href="../../_static/opensearch.xml"/>
<link rel="shortcut icon" href="../../_static/favicon.ico"/>
<link rel="index" title="Index" href="../../genindex.html"
/>
<link rel="search" title="Search" href="../../search.html"
/>
<link rel="top" title="Matplotlib 2.0.2.post4416.dev0+g1df513f documentation" href="../../index.html" />
</head>
<body>
<!-- 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.svg" width="540px" 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><a href="../../index.html">home</a>| </li>
<li><a href="../index.html">examples</a>| </li>
<li><a href="../../tutorials/index.html">tutorials</a>| </li>
<li><a href="../../api/pyplot_summary.html">pyplot</a>| </li>
<li><a href="../../contents.html">docs</a> »</li>
</ul>
</div>
<div class="sphinxsidebar">
<div class="sphinxsidebarwrapper"><a href="https://www.numfocus.org">
<image src="https://img.shields.io/badge/powered%20by-NumFOCUS-orange.svg?style=flat&colorA=E1523D&colorB=007D8A">
</a>
<br/>
<a href="http://depsy.org/package/python/matplotlib">
<img src="../../_static/depsy_badge.svg">
</a>
<br/>
Travis-CI: <a href="https://travis-ci.org/matplotlib/matplotlib">
<img src="https://travis-ci.org/matplotlib/matplotlib.svg?branch=master"/>
</a>
<br/><div class="relations">
<h3>Related Topics</h3>
<ul>
<li><a href="../../contents.html">Documentation overview</a><ul>
</ul></li>
</ul>
</div>
<div role="note" aria-label="source link">
<h3>This Page</h3>
<ul class="this-page-menu">
<li><a href="../../_sources/gallery/api/image_zcoord.rst.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">
<div><input type="text" name="q" /></div>
<div><input type="submit" value="Go" /></div>
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
</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="modifying-the-coordinate-formatter">
<span id="sphx-glr-gallery-api-image-zcoord-py"></span><h1>Modifying the coordinate formatter<a class="headerlink" href="#modifying-the-coordinate-formatter" title="Permalink to this headline">¶</a></h1>
<p>Show how to modify the coordinate formatter to report the image “z”
value of the nearest pixel given x and y</p>
<img alt="../../_images/sphx_glr_image_zcoord_001.png" class="align-center" src="../../_images/sphx_glr_image_zcoord_001.png" />
<div class="highlight-python"><div class="highlight"><pre><span></span><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="c1"># Fixing random state for reproducibility</span>
<span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">seed</span><span class="p">(</span><span class="mi">19680801</span><span class="p">)</span>
<span class="n">X</span> <span class="o">=</span> <span class="mi">10</span><span class="o">*</span><span class="n">np</span><span class="o">.</span><span class="n">random</span><span class="o">.</span><span class="n">rand</span><span class="p">(</span><span class="mi">5</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> <a href="../../api/_as_gen/matplotlib.pyplot.subplots.html#matplotlib.pyplot.subplots" title="View documentation for matplotlib.pyplot.subplots"><span class="n">plt</span><span class="o">.</span><span class="n">subplots</span></a><span class="p">()</span>
<span class="n">ax</span><span class="o">.</span><span class="n">imshow</span><span class="p">(</span><span class="n">X</span><span class="p">,</span> <span class="n">interpolation</span><span class="o">=</span><span class="s1">'nearest'</span><span class="p">)</span>
<span class="n">numrows</span><span class="p">,</span> <span class="n">numcols</span> <span class="o">=</span> <span class="n">X</span><span class="o">.</span><span class="n">shape</span>
<span class="k">def</span> <span class="nf">format_coord</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">):</span>
<span class="n">col</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">x</span> <span class="o">+</span> <span class="mf">0.5</span><span class="p">)</span>
<span class="n">row</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">y</span> <span class="o">+</span> <span class="mf">0.5</span><span class="p">)</span>
<span class="k">if</span> <span class="n">col</span> <span class="o">>=</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">col</span> <span class="o"><</span> <span class="n">numcols</span> <span class="ow">and</span> <span class="n">row</span> <span class="o">>=</span> <span class="mi">0</span> <span class="ow">and</span> <span class="n">row</span> <span class="o"><</span> <span class="n">numrows</span><span class="p">:</span>
<span class="n">z</span> <span class="o">=</span> <span class="n">X</span><span class="p">[</span><span class="n">row</span><span class="p">,</span> <span class="n">col</span><span class="p">]</span>
<span class="k">return</span> <span class="s1">'x=</span><span class="si">%1.4f</span><span class="s1">, y=</span><span class="si">%1.4f</span><span class="s1">, z=</span><span class="si">%1.4f</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">,</span> <span class="n">z</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="s1">'x=</span><span class="si">%1.4f</span><span class="s1">, y=</span><span class="si">%1.4f</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">format_coord</span> <span class="o">=</span> <span class="n">format_coord</span>
<a href="../../api/_as_gen/matplotlib.pyplot.show.html#matplotlib.pyplot.show" title="View documentation for matplotlib.pyplot.show"><span class="n">plt</span><span class="o">.</span><span class="n">show</span></a><span class="p">()</span>
</pre></div>
</div>
<p><strong>Total running time of the script:</strong> ( 0 minutes 0.033 seconds)</p>
<div class="sphx-glr-footer container">
<div class="sphx-glr-download container">
<a class="reference download internal" href="../../_downloads/image_zcoord.py" download=""><code class="xref download docutils literal"><span class="pre">Download</span> <span class="pre">Python</span> <span class="pre">source</span> <span class="pre">code:</span> <span class="pre">image_zcoord.py</span></code></a></div>
<div class="sphx-glr-download container">
<a class="reference download internal" href="../../_downloads/image_zcoord.ipynb" download=""><code class="xref download docutils literal"><span class="pre">Download</span> <span class="pre">Jupyter</span> <span class="pre">notebook:</span> <span class="pre">image_zcoord.ipynb</span></code></a></div>
</div>
<p class="sphx-glr-signature"><a class="reference external" href="https://sphinx-gallery.readthedocs.io">Generated by Sphinx-Gallery</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 - 2017 The Matplotlib development team.
Last updated on Jul 16, 2017.
Created using <a
href="http://sphinx-doc.org/">Sphinx</a> 1.6.2.
</div>
<script>
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
ga('create', 'UA-55954603-1', 'auto');
ga('send', 'pageview');
</script>
</body>
<footer>
<!--Flipcause Integration v3.0// Flipcause Integration Instructions:
Install the following code block once in the website Header (after <head> tag) -->
<style>
.fc-black_overlay{
display:none; position: fixed; z-index:1000001; top: 0%;left: 0%;width: 100%;height: 100%;
background-color: black; filter: alpha(opacity=50); cursor:pointer; opacity:0.5;
}
.fc-white_content {
opacity:1; display:none; margin-top: -320px; margin-left: -485px; width:970px; height:640px;
position:fixed; top:50%; left:50%; border: none;z-index:1000002;overflow: auto;
}
.fc-main-box{
opacity:1; display:none; margin:15px auto 0 auto; width:930px; position:relative; z-index:1000003;
}
.fc-widget_close{
opacity:1; content:url(http://i1338.photobucket.com/albums/o691/WeCause/X_zpse4a7e538.png);
position:absolute; z-index=1000004; right:-16px; top:-16px; display:block; cursor:pointer;
}
.floating_button{
display: block; margin-top: 0px; margin-left: 0px; width:auto ; height: auto;
position:fixed; z-index:999999; overflow: auto;
}
@keyframes backfadesin {
from { opacity:0; }
to {opacity:.5;}
}
@-moz-keyframes backfadesin {
from { opacity:0; }
to {opacity:.5;}
}
@-webkit-keyframes backfadesin {
from { opacity:0; }
to {opacity:.5;}
}
@-o-keyframes backfadesin {
from { opacity:0; }
to {opacity:.5;}
}
@-ms-keyframes backfadesin {
from { opacity:0; }
to {opacity:.5;}
}
@keyframes fadesin {
0%{ opacity:0; }
50%{ opacity:0; }
75% {opacity: 0; transform: translateY(20px);}
100% {opacity: 1; transform: translateY(0);}
}
@-moz-keyframes fadesin {
0%{ opacity:0; }
50%{ opacity:0; }
75% {opacity: 0; -moz-transform: translateY(20px);}
100% {opacity: 1; -moz-transform: translateY(0);}
}
@-webkit-keyframes fadesin {
0%{ opacity:0; }
50%{ opacity:0; }
75% {opacity: 0; -webkit-transform: translateY(20px);}
100% {opacity: 1; -webkit-transform: translateY(0);}
}
@-o-keyframes fadesin {
0%{ opacity:0; }
50%{ opacity:0; }
75% {opacity: 0; -o-transform: translateY(20px);}
100% {opacity: 1; -o-transform: translateY(0);}
}
@-ms-keyframes fadesin {
0%{ opacity:0; }
50%{ opacity:0; }
75% {opacity: 0; -ms-transform: translateY(20px);}
100% {opacity: 1; -ms-transform: translateY(0);}
}
</style>
<script>
function open_window(cause_id) {
var protocol=String(document.location.protocol);
var new_url;
if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)){
new_url="https://www.flipcause.com/widget/"+cause_id
window.open(new_url);
}
else {
document.getElementById("fc-fade").style.display = "block";
document.getElementById("fc-fade").style.webkitAnimation = "backfadesin 1s";
document.getElementById("fc-fade").style.animation = "backfadesin 1s";
document.getElementById("fc-fade").style.mozAnimation = "backfadesin 1s";
document.getElementById("fc-light").style.display = "block";
document.getElementById("fc-light").style.webkitAnimation = "fadesin 1.5s";
document.getElementById("fc-light").style.animation = "fadesin 1.5s";
document.getElementById("fc-light").style.mozAnimation = "fadesin 1.5s";
document.getElementById("fc-main").style.display = "block";
document.getElementById("fc-main").style.webkitAnimation = "fadesin 1.5s";
document.getElementById("fc-main").style.animation = "fadesin 1.5s";
document.getElementById("fc-main").style.mozAnimation = "fadesin 1.5s";
document.getElementById("fc-close").style.display = "block";
document.getElementById("fc-close").style.webkitAnimation = "fadesin 1.5s";
document.getElementById("fc-close").style.animation = "fadesin 1.5s";
document.getElementById("fc-close").style.mozAnimation = "fadesin 1.5s";
document.getElementById("fc-myFrame").style.display = "block";
document.getElementById("fc-myFrame").style.webkitAnimation = "fadesin 1.5s";
document.getElementById("fc-myFrame").style.animation = "fadesin 1.5s";
document.getElementById("fc-myFrame").style.mozAnimation = "fadesin 1.5s";
document.getElementById("fc-myFrame").src="https://www.flipcause.com/widget/"+cause_id;
}
}
function close_window() {
document.getElementById("fc-fade").style.display="none";
document.getElementById("fc-light").style.display="none";
document.getElementById("fc-main").style.display="none";
document.getElementById("fc-close").style.display="none";
document.getElementById("fc-myFrame").style.display="none";
}
</script>
<div id="fc-fade" class="fc-black_overlay" onclick="close_window()"></div>
<div id="fc-light" class="fc-white_content">
<div id="fc-main" class="fc-main-box">
<div id="fc-close" class="fc-widget_close" onclick="close_window()">
</div><iframe id="fc-myFrame" iframe height="580" width="925" style="border: 0;
border-radius:5px 5px 5px 5px; box-shadow:0 0 8px rgba(0, 0, 0, 0.5);" scrolling="no" src=""></iframe></div>
</div>
<!--END Flipcause Main Integration Code-->
</footer>
</html>