{{ message }}
-
Notifications
You must be signed in to change notification settings - Fork 62
Expand file tree
/
Copy pathbezier_api.html
More file actions
445 lines (402 loc) · 29.7 KB
/
Copy pathbezier_api.html
File metadata and controls
445 lines (402 loc) · 29.7 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
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
<!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="X-UA-Compatible" content="IE=Edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>matplotlib.bezier — Matplotlib 3.3.0 documentation</title>
<link rel="stylesheet" href="../_static/mpl.css?v3.3.0-3-g8994f1b60" type="text/css" />
<link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
<link rel="stylesheet" type="text/css" href="../_static/graphviz.css" />
<link rel="stylesheet" type="text/css" href="../_static/copybutton.css" />
<link rel="stylesheet" type="text/css" href="../_static/gallery.css" />
<link rel="stylesheet" type="text/css" href="../_static/gallery-binder.css" />
<link rel="stylesheet" type="text/css" href="../_static/gallery-dataframe.css" />
<script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></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>
<script type="text/javascript" src="../_static/language_data.js"></script>
<script type="text/javascript" src="../_static/clipboard.min.js"></script>
<script type="text/javascript" src="../_static/copybutton.js"></script>
<script async="async" type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/latest.js?config=TeX-AMS-MML_HTMLorMML"></script>
<link rel="search" type="application/opensearchdescription+xml"
title="Search within Matplotlib 3.3.0 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="next" title="matplotlib.blocking_input" href="blocking_input_api.html" />
<link rel="prev" title="matplotlib.backends.backend_wxagg" href="backend_wxagg_api.html" />
<link rel="top" title="Matplotlib 3.3.0 documentation" href="#" />
<link rel="canonical" href="https://matplotlib.org/stable/api/bezier_api.html" />
<link rel="stylesheet" href="../_static/custom.css" type="text/css" />
<meta name="viewport" content="width=device-width, initial-scale=0.9, maximum-scale=0.9" />
<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 (v3.3.0). For the latest version see <a href="https://matplotlib.org/stable/api/bezier_api.html">https://matplotlib.org/stable/api/bezier_api.html</a></div>
<!--
<div id="annc-banner">
</div>
-->
<div style="background-color: white; text-align: left; padding: 10px 10px 15px 15px; position: relative;">
<a href="../index.html">
<div style="float: left; position: absolute; width: 496px; bottom: 0; padding-bottom: 24px"><span style="float: right; color: #789; background: white">Version 3.3.0</span></div>
<img src="../_static/logo2_compressed.svg" height="125px" border="0" alt="matplotlib"/></a>
<!-- The "Fork me on github" ribbon -->
<div id="forkongithub"><a href="https://github.com/matplotlib/matplotlib">Fork me on GitHub</a></div>
</div>
<nav class="main-nav">
<ul>
<li><a href="../users/installing.html">Installation</a></li>
<li><a href="../contents.html">Documentation</a></li>
<li><a href="../gallery/index.html">Examples</a></li>
<li><a href="../tutorials/index.html">Tutorials</a></li>
<li><a href="../devel/index.html">Contributing</a></li>
<li class="nav-right">
<form class="search" action="../search.html" method="get">
<input type="text" name="q" aria-labelledby="searchlabel" placeholder="Search"/>
</form>
</li>
</ul>
</nav>
<div class="related" role="navigation" aria-label="related navigation">
<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="blocking_input_api.html" title="matplotlib.blocking_input"
accesskey="N">next</a> |</li>
<li class="right" >
<a href="backend_wxagg_api.html" title="matplotlib.backends.backend_wxagg"
accesskey="P">previous</a> |</li>
<li><a href="../index.html">home</a>| </li>
<li><a href="../contents.html">contents</a> »</li>
<li class="nav-item nav-item-1"><a href="index.html" accesskey="U">API Overview</a> »</li>
</ul>
</div>
<div class="sphinxsidebar" role="navigation" aria-label="main navigation">
<div class="sphinxsidebarwrapper"><div class="relations">
<h3>Related Topics</h3>
<ul>
<li><a href="../contents.html">Documentation overview</a><ul>
<li><a href="index.html">API Overview</a><ul>
<li>Previous: <a href="backend_wxagg_api.html" title="previous chapter"><code class="xref py py-mod docutils literal notranslate"><span class="pre">matplotlib.backends.backend_wxagg</span></code></a></li>
<li>Next: <a href="blocking_input_api.html" title="next chapter"><code class="docutils literal notranslate"><span class="pre">matplotlib.blocking_input</span></code></a></li>
</ul></li>
</ul></li>
</ul>
</div>
<div id="sidebar-pagesource" role="note" aria-label="source link"
style="margin-top: 1.5em; padding-top: 0.1em; border-top: 1px solid #86989b">
<a href="../_sources/api/bezier_api.rst.txt"
style="color: #c0c0c0" rel="nofollow">Show Page Source</a>
</div>
</div>
</div>
<div class="document">
<div class="documentwrapper">
<div class="bodywrapper">
<div class="body" role="main">
<div class="section" id="module-matplotlib.bezier">
<span id="matplotlib-bezier"></span><h1><code class="docutils literal notranslate"><span class="pre">matplotlib.bezier</span></code><a class="headerlink" href="#module-matplotlib.bezier" title="Permalink to this headline">¶</a></h1>
<p>A module providing some utility functions regarding Bezier path manipulation.</p>
<dl class="class">
<dt id="matplotlib.bezier.BezierSegment">
<em class="property">class </em><code class="descclassname">matplotlib.bezier.</code><code class="descname">BezierSegment</code><span class="sig-paren">(</span><em>control_points</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#BezierSegment"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.BezierSegment" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/functions.html#object" title="(in Python v3.8)"><code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></a></p>
<p>A d-dimensional Bezier segment.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><dl class="first last docutils">
<dt><strong>control_points</strong><span class="classifier">(N, d) array</span></dt><dd><p>Location of the <em>N</em> control points.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
<dl class="method">
<dt id="matplotlib.bezier.BezierSegment.axis_aligned_extrema">
<code class="descname">axis_aligned_extrema</code><span class="sig-paren">(</span><em>self</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#BezierSegment.axis_aligned_extrema"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.BezierSegment.axis_aligned_extrema" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the dimension and location of the curve's interior extrema.</p>
<p>The extrema are the points along the curve where one of its partial
derivatives is zero.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body"><dl class="first last docutils">
<dt><strong>dims</strong><span class="classifier">int, array_like</span></dt><dd><p>Index <span class="math notranslate nohighlight">\(i\)</span> of the partial derivative which is zero at each
interior extrema.</p>
</dd>
<dt><strong>dzeros</strong><span class="classifier">float, array_like</span></dt><dd><p>Of same size as dims. The <span class="math notranslate nohighlight">\(t\)</span> such that <span class="math notranslate nohighlight">\(d/dx_i B(t) =
0\)</span></p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="method">
<dt id="matplotlib.bezier.BezierSegment.control_points">
<em class="property">property </em><code class="descname">control_points</code><a class="headerlink" href="#matplotlib.bezier.BezierSegment.control_points" title="Permalink to this definition">¶</a></dt>
<dd><p>The control points of the curve.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.bezier.BezierSegment.degree">
<em class="property">property </em><code class="descname">degree</code><a class="headerlink" href="#matplotlib.bezier.BezierSegment.degree" title="Permalink to this definition">¶</a></dt>
<dd><p>Degree of the polynomial. One less the number of control points.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.bezier.BezierSegment.dimension">
<em class="property">property </em><code class="descname">dimension</code><a class="headerlink" href="#matplotlib.bezier.BezierSegment.dimension" title="Permalink to this definition">¶</a></dt>
<dd><p>The dimension of the curve.</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.bezier.BezierSegment.point_at_t">
<code class="descname">point_at_t</code><span class="sig-paren">(</span><em>self</em>, <em>t</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#BezierSegment.point_at_t"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.BezierSegment.point_at_t" title="Permalink to this definition">¶</a></dt>
<dd><p>Evaluate curve at a single point <em>t</em>. Returns a Tuple[float*d].</p>
</dd></dl>
<dl class="method">
<dt id="matplotlib.bezier.BezierSegment.polynomial_coefficients">
<em class="property">property </em><code class="descname">polynomial_coefficients</code><a class="headerlink" href="#matplotlib.bezier.BezierSegment.polynomial_coefficients" title="Permalink to this definition">¶</a></dt>
<dd><p>The polynomial coefficients of the Bezier curve.</p>
<div class="admonition warning">
<p class="first admonition-title">Warning</p>
<p class="last">Follows opposite convention from <a class="reference external" href="https://numpy.org/doc/stable/reference/generated/numpy.polyval.html#numpy.polyval" title="(in NumPy v1.19)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">numpy.polyval</span></code></a>.</p>
</div>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body"><dl class="first last docutils">
<dt>float, (n+1, d) array_like</dt><dd><p>Coefficients after expanding in polynomial basis, where <span class="math notranslate nohighlight">\(n\)</span>
is the degree of the bezier curve and <span class="math notranslate nohighlight">\(d\)</span> its dimension.
These are the numbers (<span class="math notranslate nohighlight">\(C_j\)</span>) such that the curve can be
written <span class="math notranslate nohighlight">\(\sum_{j=0}^n C_j t^j\)</span>.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
<p class="rubric">Notes</p>
<p>The coefficients are calculated as</p>
<div class="math notranslate nohighlight">
\[{n \choose j} \sum_{i=0}^j (-1)^{i+j} {j \choose i} P_i\]</div>
<p>where <span class="math notranslate nohighlight">\(P_i\)</span> are the control points of the curve.</p>
</dd></dl>
</dd></dl>
<dl class="exception">
<dt id="matplotlib.bezier.NonIntersectingPathException">
<em class="property">exception </em><code class="descclassname">matplotlib.bezier.</code><code class="descname">NonIntersectingPathException</code><a class="reference internal" href="../_modules/matplotlib/bezier.html#NonIntersectingPathException"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.NonIntersectingPathException" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <a class="reference external" href="https://docs.python.org/3/library/exceptions.html#ValueError" title="(in Python v3.8)"><code class="xref py py-class docutils literal notranslate"><span class="pre">ValueError</span></code></a></p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.check_if_parallel">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">check_if_parallel</code><span class="sig-paren">(</span><em>dx1</em>, <em>dy1</em>, <em>dx2</em>, <em>dy2</em>, <em>tolerance=1e-05</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#check_if_parallel"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.check_if_parallel" title="Permalink to this definition">¶</a></dt>
<dd><p>Check if two lines are parallel.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><dl class="first docutils">
<dt><strong>dx1, dy1, dx2, dy2</strong><span class="classifier">float</span></dt><dd><p>The gradients <em>dy</em>/<em>dx</em> of the two lines.</p>
</dd>
<dt><strong>tolerance</strong><span class="classifier">float</span></dt><dd><p>The angular tolerance in radians up to which the lines are considered
parallel.</p>
</dd>
</dl>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><dl class="first last docutils">
<dt>is_parallel</dt><dd><ul class="simple">
<li>1 if two lines are parallel in same direction.</li>
<li>-1 if two lines are parallel in opposite direction.</li>
<li>False otherwise.</li>
</ul>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.concatenate_paths">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">concatenate_paths</code><span class="sig-paren">(</span><em>paths</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#concatenate_paths"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.concatenate_paths" title="Permalink to this definition">¶</a></dt>
<dd><p>[<em>Deprecated</em>] Concatenate a list of paths into a single path.</p>
<p class="rubric">Notes</p>
<div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 3.3.</span></p>
</div>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.find_bezier_t_intersecting_with_closedpath">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">find_bezier_t_intersecting_with_closedpath</code><span class="sig-paren">(</span><em>bezier_point_at_t</em>, <em>inside_closedpath</em>, <em>t0=0.0</em>, <em>t1=1.0</em>, <em>tolerance=0.01</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#find_bezier_t_intersecting_with_closedpath"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.find_bezier_t_intersecting_with_closedpath" title="Permalink to this definition">¶</a></dt>
<dd><p>Find the intersection of the Bezier curve with a closed path.</p>
<p>The intersection point <em>t</em> is approximated by two parameters <em>t0</em>, <em>t1</em>
such that <em>t0</em> <= <em>t</em> <= <em>t1</em>.</p>
<p>Search starts from <em>t0</em> and <em>t1</em> and uses a simple bisecting algorithm
therefore one of the end points must be inside the path while the other
doesn't. The search stops when the distance of the points parametrized by
<em>t0</em> and <em>t1</em> gets smaller than the given <em>tolerance</em>.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><dl class="first docutils">
<dt><strong>bezier_point_at_t</strong><span class="classifier">callable</span></dt><dd><p>A function returning x, y coordinates of the Bezier at parameter <em>t</em>.
It must have the signature:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">bezier_point_at_t</span><span class="p">(</span><span class="n">t</span><span class="p">:</span> <span class="nb">float</span><span class="p">)</span> <span class="o">-></span> <span class="n">Tuple</span><span class="p">[</span><span class="nb">float</span><span class="p">,</span> <span class="nb">float</span><span class="p">]</span>
</pre></div>
</div>
</dd>
<dt><strong>inside_closedpath</strong><span class="classifier">callable</span></dt><dd><p>A function returning True if a given point (x, y) is inside the
closed path. It must have the signature:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">inside_closedpath</span><span class="p">(</span><span class="n">point</span><span class="p">:</span> <span class="n">Tuple</span><span class="p">[</span><span class="nb">float</span><span class="p">,</span> <span class="nb">float</span><span class="p">])</span> <span class="o">-></span> <span class="nb">bool</span>
</pre></div>
</div>
</dd>
<dt><strong>t0, t1</strong><span class="classifier">float</span></dt><dd><p>Start parameters for the search.</p>
</dd>
<dt><strong>tolerance</strong><span class="classifier">float</span></dt><dd><p>Maximal allowed distance between the final points.</p>
</dd>
</dl>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><dl class="first last docutils">
<dt><strong>t0, t1</strong><span class="classifier">float</span></dt><dd><p>The Bezier path parameters.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.find_control_points">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">find_control_points</code><span class="sig-paren">(</span><em>c1x</em>, <em>c1y</em>, <em>mmx</em>, <em>mmy</em>, <em>c2x</em>, <em>c2y</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#find_control_points"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.find_control_points" title="Permalink to this definition">¶</a></dt>
<dd><p>Find control points of the Bezier curve passing through (<em>c1x</em>, <em>c1y</em>),
(<em>mmx</em>, <em>mmy</em>), and (<em>c2x</em>, <em>c2y</em>), at parametric values 0, 0.5, and 1.</p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.get_cos_sin">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">get_cos_sin</code><span class="sig-paren">(</span><em>x0</em>, <em>y0</em>, <em>x1</em>, <em>y1</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#get_cos_sin"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.get_cos_sin" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.get_intersection">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">get_intersection</code><span class="sig-paren">(</span><em>cx1</em>, <em>cy1</em>, <em>cos_t1</em>, <em>sin_t1</em>, <em>cx2</em>, <em>cy2</em>, <em>cos_t2</em>, <em>sin_t2</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#get_intersection"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.get_intersection" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the intersection between the line through (<em>cx1</em>, <em>cy1</em>) at angle
<em>t1</em> and the line through (<em>cx2</em>, <em>cy2</em>) at angle <em>t2</em>.</p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.get_normal_points">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">get_normal_points</code><span class="sig-paren">(</span><em>cx</em>, <em>cy</em>, <em>cos_t</em>, <em>sin_t</em>, <em>length</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#get_normal_points"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.get_normal_points" title="Permalink to this definition">¶</a></dt>
<dd><p>For a line passing through (<em>cx</em>, <em>cy</em>) and having an angle <em>t</em>, return
locations of the two points located along its perpendicular line at the
distance of <em>length</em>.</p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.get_parallels">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">get_parallels</code><span class="sig-paren">(</span><em>bezier2</em>, <em>width</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#get_parallels"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.get_parallels" title="Permalink to this definition">¶</a></dt>
<dd><p>Given the quadratic Bezier control points <em>bezier2</em>, returns
control points of quadratic Bezier lines roughly parallel to given
one separated by <em>width</em>.</p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.inside_circle">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">inside_circle</code><span class="sig-paren">(</span><em>cx</em>, <em>cy</em>, <em>r</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#inside_circle"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.inside_circle" title="Permalink to this definition">¶</a></dt>
<dd><p>Return a function that checks whether a point is in a circle with center
(<em>cx</em>, <em>cy</em>) and radius <em>r</em>.</p>
<p>The returned function has the signature:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">f</span><span class="p">(</span><span class="n">xy</span><span class="p">:</span> <span class="n">Tuple</span><span class="p">[</span><span class="nb">float</span><span class="p">,</span> <span class="nb">float</span><span class="p">])</span> <span class="o">-></span> <span class="nb">bool</span>
</pre></div>
</div>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.make_path_regular">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">make_path_regular</code><span class="sig-paren">(</span><em>p</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#make_path_regular"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.make_path_regular" title="Permalink to this definition">¶</a></dt>
<dd><p>[<em>Deprecated</em>] If the <code class="docutils literal notranslate"><span class="pre">codes</span></code> attribute of <a class="reference internal" href="path_api.html#matplotlib.path.Path" title="matplotlib.path.Path"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Path</span></code></a> <em>p</em> is None, return a copy of <em>p</em>
with <code class="docutils literal notranslate"><span class="pre">codes</span></code> set to (MOVETO, LINETO, LINETO, ..., LINETO); otherwise
return <em>p</em> itself.</p>
<p class="rubric">Notes</p>
<div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 3.3.</span></p>
</div>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.make_wedged_bezier2">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">make_wedged_bezier2</code><span class="sig-paren">(</span><em>bezier2</em>, <em>width</em>, <em>w1=1.0</em>, <em>wm=0.5</em>, <em>w2=0.0</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#make_wedged_bezier2"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.make_wedged_bezier2" title="Permalink to this definition">¶</a></dt>
<dd><p>Being similar to get_parallels, returns control points of two quadratic
Bezier lines having a width roughly parallel to given one separated by
<em>width</em>.</p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.split_bezier_intersecting_with_closedpath">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">split_bezier_intersecting_with_closedpath</code><span class="sig-paren">(</span><em>bezier</em>, <em>inside_closedpath</em>, <em>tolerance=0.01</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#split_bezier_intersecting_with_closedpath"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.split_bezier_intersecting_with_closedpath" title="Permalink to this definition">¶</a></dt>
<dd><p>Split a Bezier curve into two at the intersection with a closed path.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><dl class="first docutils">
<dt><strong>bezier</strong><span class="classifier">array-like(N, 2)</span></dt><dd><p>Control points of the Bezier segment. See <a class="reference internal" href="#matplotlib.bezier.BezierSegment" title="matplotlib.bezier.BezierSegment"><code class="xref py py-obj docutils literal notranslate"><span class="pre">BezierSegment</span></code></a>.</p>
</dd>
<dt><strong>inside_closedpath</strong><span class="classifier">callable</span></dt><dd><p>A function returning True if a given point (x, y) is inside the
closed path. See also <a class="reference internal" href="#matplotlib.bezier.find_bezier_t_intersecting_with_closedpath" title="matplotlib.bezier.find_bezier_t_intersecting_with_closedpath"><code class="xref py py-obj docutils literal notranslate"><span class="pre">find_bezier_t_intersecting_with_closedpath</span></code></a>.</p>
</dd>
<dt><strong>tolerance</strong><span class="classifier">float</span></dt><dd><p>The tolerance for the intersection. See also
<a class="reference internal" href="#matplotlib.bezier.find_bezier_t_intersecting_with_closedpath" title="matplotlib.bezier.find_bezier_t_intersecting_with_closedpath"><code class="xref py py-obj docutils literal notranslate"><span class="pre">find_bezier_t_intersecting_with_closedpath</span></code></a>.</p>
</dd>
</dl>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><dl class="first last docutils">
<dt>left, right</dt><dd><p>Lists of control points for the two Bezier segments.</p>
</dd>
</dl>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.split_de_casteljau">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">split_de_casteljau</code><span class="sig-paren">(</span><em>beta</em>, <em>t</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#split_de_casteljau"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.split_de_casteljau" title="Permalink to this definition">¶</a></dt>
<dd><p>Split a Bezier segment defined by its control points <em>beta</em> into two
separate segments divided at <em>t</em> and return their control points.</p>
</dd></dl>
<dl class="function">
<dt id="matplotlib.bezier.split_path_inout">
<code class="descclassname">matplotlib.bezier.</code><code class="descname">split_path_inout</code><span class="sig-paren">(</span><em>path</em>, <em>inside</em>, <em>tolerance=0.01</em>, <em>reorder_inout=False</em><span class="sig-paren">)</span><a class="reference internal" href="../_modules/matplotlib/bezier.html#split_path_inout"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#matplotlib.bezier.split_path_inout" title="Permalink to this definition">¶</a></dt>
<dd><p>Divide a path into two segments at the point where <code class="docutils literal notranslate"><span class="pre">inside(x,</span> <span class="pre">y)</span></code> becomes
False.</p>
</dd></dl>
</div>
</div>
</div>
</div>
<div class="clearer"></div>
</div>
<footer>
<div class="footer">
© Copyright 2002 - 2012 John Hunter, Darren Dale, Eric Firing, Michael Droettboom and the Matplotlib development team; 2012 - 2020 The Matplotlib development team.
<br />
Last updated on Jul 17, 2020.
Created using
<a href="http://sphinx-doc.org/">Sphinx</a> 2.2.2.
Doc version v3.3.0-3-g8994f1b60.
</div>
</footer>
</body>
</html>
You can’t perform that action at this time.