/
bSplineSurface_example.html
228 lines (226 loc) · 15.9 KB
/
bSplineSurface_example.html
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
<!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/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.5"/>
<title>G+Smo: bSplineSurface_example.cpp</title>
<link href="gismodoxy_tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
$(window).load(resizeHeight);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({
extensions: ["tex2jax.js"],
jax: ["input/TeX","output/HTML-CSS"],
});
</script><script src="https://people.ricam.oeaw.ac.at/gismo/mj/MathJax.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="gismodoxy.css" rel="stylesheet" type="text/css">
<!-- -->
<!-- <script type="text/javascript"> -->
<!-- </script> -->
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<!-- <a name="top"></a> -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectlogo"><img alt="Logo" src="gslogo-doxy.jpg"/></td>
<td style="padding-left: 0.5em;">
<div id="projectname"><a href="index.html"><font style="font-variant:small-caps;">G+S</font><font style="font-variant:small-caps;"
color="#000000">mo</font></a>
 <span id="projectnumber">23.12.0</span>
</div>
<div id="projectbrief">Geometry + Simulation Modules</div>
</td>
<td> <div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.5 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('bSplineSurface_example.html','');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(11)"><span class="SelectionMark"> </span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(12)"><span class="SelectionMark"> </span>Pages</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="headertitle">
<div class="title">bSplineSurface_example.cpp </div> </div>
</div><!--header-->
<div class="contents">
<div class="textblock"><h1><a class="anchor" id="bSplineSurface_exampleAnnotated"></a>
Annotated source file</h1>
<p>Here is the full file <code>examples/bSplineSurface_example.cpp</code>. Clicking on a function or class name will lead you to its reference documentation.</p>
<div class="fragment"><div class="line"></div>
<div class="line"><span class="preprocessor">#include <cmath></span></div>
<div class="line"><span class="preprocessor">#include <iostream></span></div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#include <<a class="code" href="gismo_8h.html">gismo.h</a>></span></div>
<div class="line"></div>
<div class="line"></div>
<div class="line"><span class="keyword">using namespace </span>gismo;</div>
<div class="line"></div>
<div class="line"><span class="keyword">const</span> <span class="keywordtype">double</span> PI = 3.14159265;</div>
<div class="line"></div>
<div class="line"><span class="keywordtype">int</span> <a class="code" href="example__shell2D_8cpp.html#a0ddf1224851353fc92bfbff6f499fa97">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>* argv[])</div>
<div class="line">{</div>
<div class="line"> <a class="code" href="gsConfig_8h.html#ad722078677c063a09661059674fb996c">index_t</a> n = 5;</div>
<div class="line"> <a class="code" href="gsConfig_8h.html#ad722078677c063a09661059674fb996c">index_t</a> m = 5;</div>
<div class="line"> <a class="code" href="gsConfig_8h.html#ad722078677c063a09661059674fb996c">index_t</a> degree = 3;</div>
<div class="line"> std::string output(<span class="stringliteral">""</span>);</div>
<div class="line"></div>
<div class="line"> <a class="code" href="classgismo_1_1gsCmdLine.html">gsCmdLine</a> cmd(<span class="stringliteral">"Tutorial on gsTensorBSpline class."</span>);</div>
<div class="line"> cmd.addInt (<span class="stringliteral">"n"</span>, <span class="stringliteral">"dof1"</span>, <span class="stringliteral">"Number of basis function in one direction"</span> , n);</div>
<div class="line"> cmd.addInt (<span class="stringliteral">"m"</span>, <span class="stringliteral">"dof2"</span>, <span class="stringliteral">"Number of basis function in other direction"</span>, m);</div>
<div class="line"> cmd.addInt (<span class="stringliteral">"d"</span>, <span class="stringliteral">"degree"</span>, <span class="stringliteral">"Degree of a surface"</span>, degree);</div>
<div class="line"> cmd.addString(<span class="stringliteral">"o"</span>, <span class="stringliteral">"output"</span>, <span class="stringliteral">"Name of the output file."</span>, output);</div>
<div class="line"> <span class="keywordflow">try</span> { cmd.getValues(argc,argv); } <span class="keywordflow">catch</span> (<span class="keywordtype">int</span> rv) { <span class="keywordflow">return</span> rv; }</div>
<div class="line"></div>
<div class="line"> <span class="comment">// Adjust values to the minimum required</span></div>
<div class="line"> degree = math::max( (<a class="code" href="gsConfig_8h.html#ad722078677c063a09661059674fb996c">index_t</a>)(0), degree );</div>
<div class="line"> n = math::max(n, degree + 1);</div>
<div class="line"> m = math::max(m, degree + 1);</div>
<div class="line"></div>
<div class="line"> <a class="code" href="gsDebug_8h.html#af6177e1e282640c3cb9175565f84a432">gsInfo</a> << <span class="stringliteral">"----------------------\n\n"</span></div>
<div class="line"> << <span class="stringliteral">"n: "</span> << n << <span class="stringliteral">"\n\n"</span></div>
<div class="line"> << <span class="stringliteral">"m: "</span> << m << <span class="stringliteral">"\n\n"</span></div>
<div class="line"> << <span class="stringliteral">"degree: "</span> << degree << <span class="stringliteral">"\n\n"</span></div>
<div class="line"> << <span class="stringliteral">"output: "</span> << output << <span class="stringliteral">"\n\n"</span></div>
<div class="line"> << <span class="stringliteral">"----------------------\n\n"</span>;</div>
<div class="line"></div>
<div class="line"> <span class="comment">// 1. construction of a knot vector for each direction</span></div>
<div class="line"> <a class="code" href="classgismo_1_1gsKnotVector.html">gsKnotVector<></a> kv1(0, 1, n - degree - 1, degree + 1);</div>
<div class="line"> <a class="code" href="classgismo_1_1gsKnotVector.html">gsKnotVector<></a> kv2(0, 1, m - degree - 1, degree + 1);</div>
<div class="line"></div>
<div class="line"> <span class="comment">// 2. construction of a basis</span></div>
<div class="line"> <a class="code" href="classgismo_1_1gsTensorBSplineBasis.html">gsTensorBSplineBasis<2, real_t></a> basis(kv1, kv2);</div>
<div class="line"></div>
<div class="line"> <span class="comment">// 3. construction of a coefficients</span></div>
<div class="line"> <a class="code" href="classgismo_1_1gsMatrix.html">gsMatrix<></a> greville = basis.anchors();</div>
<div class="line"> <a class="code" href="classgismo_1_1gsMatrix.html">gsMatrix<></a> coefs (greville.cols(), 3);</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">for</span> (<a class="code" href="gsConfig_8h.html#ad722078677c063a09661059674fb996c">index_t</a> col = 0; col != greville.cols(); col++)</div>
<div class="line"> {</div>
<div class="line"> real_t x = greville(0, col);</div>
<div class="line"> real_t y = greville(1, col);</div>
<div class="line"></div>
<div class="line"> coefs(col, 0) = x;</div>
<div class="line"> coefs(col, 1) = y;</div>
<div class="line"> coefs(col, 2) = math::sin(x * 2 * PI) * math::sin(y * 2 * PI);</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> <span class="comment">// 4. putting basis and coefficients toghether</span></div>
<div class="line"> <a class="code" href="classgismo_1_1gsTensorBSpline.html">gsTensorBSpline<2, real_t></a> surface(basis, coefs);</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"> <span class="comment">// 5. saving surface, basis and control net to a file</span></div>
<div class="line"> <span class="keywordflow">if</span> (output != <span class="stringliteral">""</span>)</div>
<div class="line"> {</div>
<div class="line"> std::string out = output + <span class="stringliteral">"Geometry"</span>;</div>
<div class="line"> <a class="code" href="gsDebug_8h.html#af6177e1e282640c3cb9175565f84a432">gsInfo</a> << <span class="stringliteral">"Writing the surface to a paraview file: "</span> << out</div>
<div class="line"> << <span class="stringliteral">"\n\n"</span>;</div>
<div class="line"></div>
<div class="line"> gsWriteParaview(surface, out);</div>
<div class="line"></div>
<div class="line"> out = output + <span class="stringliteral">"Basis"</span>;</div>
<div class="line"> <a class="code" href="gsDebug_8h.html#af6177e1e282640c3cb9175565f84a432">gsInfo</a> << <span class="stringliteral">"Writing the basis to a paraview file: "</span> << out</div>
<div class="line"> << <span class="stringliteral">"\n\n"</span>;</div>
<div class="line"></div>
<div class="line"> gsWriteParaview(basis, out);</div>
<div class="line"></div>
<div class="line"></div>
<div class="line"> out = output + <span class="stringliteral">"ContolNet"</span>;</div>
<div class="line"> <a class="code" href="gsDebug_8h.html#af6177e1e282640c3cb9175565f84a432">gsInfo</a> << <span class="stringliteral">"Writing the control net to a paraview file: "</span> << out</div>
<div class="line"> << <span class="stringliteral">"\n"</span> << <span class="stringliteral">"\n"</span>;</div>
<div class="line"></div>
<div class="line"> <a class="code" href="classgismo_1_1gsMesh.html">gsMesh<></a> mesh;</div>
<div class="line"> surface.controlNet(mesh);</div>
<div class="line"> gsWriteParaview(mesh, out);</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> {</div>
<div class="line"> <a class="code" href="gsDebug_8h.html#af6177e1e282640c3cb9175565f84a432">gsInfo</a> << <span class="stringliteral">"Done. No output created, re-run with --output <filename> to get a ParaView "</span></div>
<div class="line"> <span class="stringliteral">"file containing the solution.\n"</span>;</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
</div><!-- fragment --> </div></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="footer">Generated on Fri May 17 2024 15:14:33 for G+Smo by Doxygen v1.8.5 </li>
</ul>
</div>
<!-- Piwik -->
<!--
<script type="text/javascript">
var pkBaseURL = (("https:" == document.location.protocol) ? "https://stats.sylphide-consulting.com/piwik/" : "http://stats.sylphide-consulting.com/piwik/");
document.write(unescape("%3Cscript src='" + pkBaseURL + "piwik.js' type='text/javascript'%3E%3C/script%3E"));
</script><script type="text/javascript">
try {
var piwikTracker = Piwik.getTracker(pkBaseURL + "piwik.php", 20);
piwikTracker.trackPageView();
piwikTracker.enableLinkTracking();
} catch( err ) {}
</script><noscript><p><img src="http://stats.sylphide-consulting.com/piwik/piwik.php?idsite=20" style="border:0" alt="" /></p></noscript>
-->
<!-- End Piwik Tracking Code -->
</body>
</html>