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<div class="title">geometry/curves/exampleGridCurve3d.cpp</div> </div>
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<p>This example shows how to use GridCurve as a sequence of 1-scells in a 3d Khalimsky space.</p>
<pre class="fragment">$ ./examples/geometry/curves/exampleGridCurve3d
</pre><p>Note that the data type you want to display may be passed as argument as follows: </p><pre class="fragment">$ ./examples/geometry/curves/exampleGridCurve3d points
</pre><p>This command line produces the following output (points are displayed as voxels):</p>
<div class="image">
<img src="exampleGridCurveSinus.png" alt=""/>
<div class="caption">
3d digital curve</div></div>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="moduleGridCurveAnalysis.html">Analysis of one-dimensional discrete structures</a></dd></dl>
<div class="fragment"><div class="line"> </div>
<div class="line"><span class="preprocessor">#include <iostream></span></div>
<div class="line"><span class="preprocessor">#include "DGtal/base/Common.h"</span></div>
<div class="line"><span class="preprocessor">#include "DGtal/helpers/StdDefs.h"</span></div>
<div class="line"><span class="preprocessor">#include "ConfigExamples.h"</span></div>
<div class="line"><span class="preprocessor">#include "DGtal/io/viewers/Viewer3D.h"</span></div>
<div class="line"><span class="preprocessor">#include "DGtal/geometry/curves/GridCurve.h"</span></div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#ifdef WITH_VISU3D_QGLVIEWER</span></div>
<div class="line"><span class="preprocessor">#include "DGtal/io/DrawWithDisplay3DModifier.h"</span></div>
<div class="line"><span class="preprocessor">#endif</span></div>
<div class="line"> </div>
<div class="line"> </div>
<div class="line"><span class="keyword">using namespace </span>std;</div>
<div class="line"><span class="keyword">using namespace </span><a class="code" href="namespaceDGtal.html">DGtal</a>;</div>
<div class="line"><span class="keyword">using namespace </span>Z3i;</div>
<div class="line"> </div>
<div class="line"> </div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">int</span> <a name="a0"></a><a class="code" href="testArithmeticDSS-benchmark_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>( <span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>** argv )</div>
<div class="line">{</div>
<div class="line"> </div>
<div class="line"> </div>
<div class="line"> <a class="code" href="namespaceDGtal.html#a8fc7012708b0416880a5c8b12dfdf9dd">trace</a>.<a name="a1"></a><a class="code" href="classDGtal_1_1Trace.html#ad054990834d2763627166540087a2980">info</a>() << <span class="stringliteral">"exampleGridCurve3d: the type of data to be displayed "</span></div>
<div class="line"> << <span class="stringliteral">"may be given as argument as follows: "</span></div>
<div class="line"> << argv[0] << <span class="stringliteral">" scells"</span> << endl; </div>
<div class="line"> <a class="code" href="namespaceDGtal.html#a8fc7012708b0416880a5c8b12dfdf9dd">trace</a>.<a class="code" href="classDGtal_1_1Trace.html#ad054990834d2763627166540087a2980">info</a>() << <span class="stringliteral">"Available types are: gridcurve (default), scells, points, midpoints, arrows"</span> << endl;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordtype">string</span> type = (argc > 1) ? <span class="keywordtype">string</span>(argv[1]) : <span class="stringliteral">"gridcurve"</span>;</div>
<div class="line"> <a class="code" href="namespaceDGtal.html#a8fc7012708b0416880a5c8b12dfdf9dd">trace</a>.<a class="code" href="classDGtal_1_1Trace.html#ad054990834d2763627166540087a2980">info</a>() << <span class="stringliteral">"Chosen type: "</span> << type << endl; </div>
<div class="line"> </div>
<div class="line"> <span class="comment">//curve</span></div>
<div class="line"> <span class="keywordtype">string</span> sinus = examplesPath + <span class="stringliteral">"samples/sinus.dat"</span>;</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// domain</span></div>
<div class="line"> <a class="code" href="testClone2_8cpp.html#a15e9592ccc512dc691b46185e6814758">Point</a> lowerBound = Point::diagonal( -100 );</div>
<div class="line"> <a class="code" href="testClone2_8cpp.html#a15e9592ccc512dc691b46185e6814758">Point</a> upperBound = Point::diagonal( 100 );</div>
<div class="line"> </div>
<div class="line"> <a class="code" href="namespaceDGtal_1_1Z3i.html#a4b7ee43018f9144683fab486eef6f205">K3</a> ks; ks.<a name="a2"></a><a class="code" href="classDGtal_1_1KhalimskySpaceND.html#a15dcbcaae831dd1c36090e6336c177d4">init</a>( lowerBound, upperBound, <span class="keyword">true</span> );</div>
<div class="line"> GridCurve<K3> gc( ks );</div>
<div class="line"> </div>
<div class="line"> fstream inputStream;</div>
<div class="line"> inputStream.open (sinus.c_str(), ios::in);</div>
<div class="line"> </div>
<div class="line"> gc.initFromVectorStream(inputStream);</div>
<div class="line"> </div>
<div class="line"> inputStream.close();</div>
<div class="line"> </div>
<div class="line"> <span class="keywordtype">bool</span> flag = <span class="keyword">false</span>;</div>
<div class="line"><span class="preprocessor">#ifdef WITH_VISU3D_QGLVIEWER</span></div>
<div class="line"> QApplication application(argc,argv);</div>
<div class="line"> Viewer3D<Space,K3> viewer(ks);</div>
<div class="line"> viewer.show();</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> (type == <span class="stringliteral">"gridcurve"</span>)</div>
<div class="line"> {</div>
<div class="line"> viewer << gc;</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">"scells"</span>)</div>
<div class="line"> {</div>
<div class="line"> viewer << gc.getSCellsRange();</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">"points"</span>)</div>
<div class="line"> {</div>
<div class="line"> viewer << gc.getPointsRange();</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">"midpoints"</span>)</div>
<div class="line"> {</div>
<div class="line"> viewer << gc.getMidPointsRange();</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (type == <span class="stringliteral">"arrows"</span>)</div>
<div class="line"> {</div>
<div class="line"> viewer << gc.getArrowsRange();</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="namespaceDGtal.html#a8fc7012708b0416880a5c8b12dfdf9dd">trace</a>.<a class="code" href="classDGtal_1_1Trace.html#ad054990834d2763627166540087a2980">info</a>() << <span class="stringliteral">"Display type not known."</span> << std::endl;</div>
<div class="line"> }</div>
<div class="line"> viewer << Viewer3D<Space,K3>::updateDisplay;</div>
<div class="line"> flag = application.exec();</div>
<div class="line"><span class="preprocessor">#endif</span></div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> flag;</div>
<div class="line">}</div>
<div class="line"><span class="comment">// //</span></div>
<div class="ttc" id="aclassDGtal_1_1KhalimskySpaceND_html_a15dcbcaae831dd1c36090e6336c177d4"><div class="ttname"><a href="classDGtal_1_1KhalimskySpaceND.html#a15dcbcaae831dd1c36090e6336c177d4">DGtal::KhalimskySpaceND::init</a></div><div class="ttdeci">bool init(const Point &lower, const Point &upper, bool isClosed)</div><div class="ttdoc">Specifies the upper and lower bounds for the maximal cells in this space.</div></div>
<div class="ttc" id="aclassDGtal_1_1Trace_html_ad054990834d2763627166540087a2980"><div class="ttname"><a href="classDGtal_1_1Trace.html#ad054990834d2763627166540087a2980">DGtal::Trace::info</a></div><div class="ttdeci">std::ostream & info()</div></div>
<div class="ttc" id="anamespaceDGtal_1_1Z3i_html_a4b7ee43018f9144683fab486eef6f205"><div class="ttname"><a href="namespaceDGtal_1_1Z3i.html#a4b7ee43018f9144683fab486eef6f205">DGtal::Z3i::K3</a></div><div class="ttdeci">KSpace K3</div><div class="ttdef"><b>Definition:</b> <a href="StdDefs_8h_source.html#l00147">StdDefs.h:147</a></div></div>
<div class="ttc" id="anamespaceDGtal_html"><div class="ttname"><a href="namespaceDGtal.html">DGtal</a></div><div class="ttdoc">DGtal is the top-level namespace which contains all DGtal functions and types.</div></div>
<div class="ttc" id="anamespaceDGtal_html_a8fc7012708b0416880a5c8b12dfdf9dd"><div class="ttname"><a href="namespaceDGtal.html#a8fc7012708b0416880a5c8b12dfdf9dd">DGtal::trace</a></div><div class="ttdeci">Trace trace</div><div class="ttdef"><b>Definition:</b> <a href="Common_8h_source.html#l00153">Common.h:153</a></div></div>
<div class="ttc" id="atestArithmeticDSS-benchmark_8cpp_html_a3c04138a5bfe5d72780bb7e82a18e627"><div class="ttname"><a href="testArithmeticDSS-benchmark_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a></div><div class="ttdeci">int main(int argc, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="testArithmeticDSS-benchmark_8cpp_source.html#l00147">testArithmeticDSS-benchmark.cpp:147</a></div></div>
<div class="ttc" id="atestClone2_8cpp_html_a15e9592ccc512dc691b46185e6814758"><div class="ttname"><a href="testClone2_8cpp.html#a15e9592ccc512dc691b46185e6814758">Point</a></div><div class="ttdeci">MyPointD Point</div><div class="ttdef"><b>Definition:</b> <a href="testClone2_8cpp_source.html#l00383">testClone2.cpp:383</a></div></div>
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