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<div id="projectbrief">Real-Time Appearance-Based Mapping</div>
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<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
<a href="classUTimer-members.html">List of all members</a> </div>
<div class="headertitle"><div class="title">UTimer Class Reference</div></div>
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<p><code>#include &lt;<a class="el" href="UTimer_8h_source.html">UTimer.h</a>&gt;</code></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a10f628d8be04474d13c04b07c0426200" id="r_a10f628d8be04474d13c04b07c0426200"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classUTimer.html#a10f628d8be04474d13c04b07c0426200">start</a> ()</td></tr>
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<tr class="memitem:a6a517d6f5f6e6c28b9392d04be22a320" id="r_a6a517d6f5f6e6c28b9392d04be22a320"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classUTimer.html#a6a517d6f5f6e6c28b9392d04be22a320">stop</a> ()</td></tr>
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<tr class="memitem:a372405f02e1d4e9571a73d80962d6f4c" id="r_a372405f02e1d4e9571a73d80962d6f4c"><td class="memItemLeft" align="right" valign="top">double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classUTimer.html#a372405f02e1d4e9571a73d80962d6f4c">elapsed</a> ()</td></tr>
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double&#160;</td><td class="memItemRight" valign="bottom"><b>getElapsedTime</b> ()</td></tr>
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double&#160;</td><td class="memItemRight" valign="bottom"><b>ticks</b> ()</td></tr>
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Static Public Member Functions</h2></td></tr>
<tr class="memitem:ad10fce2a4901bf5d6a460ca7b158cb3a" id="r_ad10fce2a4901bf5d6a460ca7b158cb3a"><td class="memItemLeft" align="right" valign="top">static double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classUTimer.html#ad10fce2a4901bf5d6a460ca7b158cb3a">now</a> ()</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This class is used to time some codes (in seconds). On Unix, the resolution is up to microseconds (see gettimeofday()). On Windows, the performance counter is used (see QueryPerformanceCounter() and QueryPerformanceFrequency()). Example: </p><div class="fragment"><div class="line"><a class="code hl_class" href="classUTimer.html">UTimer</a> timer;</div>
<div class="line">timer.<a class="code hl_function" href="classUTimer.html#a10f628d8be04474d13c04b07c0426200">start</a>();</div>
<div class="line">... (<span class="keywordflow">do</span> some work)</div>
<div class="line">timer.<a class="code hl_function" href="classUTimer.html#a6a517d6f5f6e6c28b9392d04be22a320">stop</a>();</div>
<div class="line"><span class="keywordtype">double</span> seconds = timer.getInterval();</div>
<div class="line">...</div>
<div class="ttc" id="aclassUTimer_html"><div class="ttname"><a href="classUTimer.html">UTimer</a></div><div class="ttdef"><b>Definition</b> <a href="UTimer_8h_source.html#l00046">UTimer.h:47</a></div></div>
<div class="ttc" id="aclassUTimer_html_a10f628d8be04474d13c04b07c0426200"><div class="ttname"><a href="classUTimer.html#a10f628d8be04474d13c04b07c0426200">UTimer::start</a></div><div class="ttdeci">void start()</div></div>
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<p class="definition">Definition at line <a class="el" href="UTimer_8h_source.html#l00046">46</a> of file <a class="el" href="UTimer_8h_source.html">UTimer.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="ad10fce2a4901bf5d6a460ca7b158cb3a" name="ad10fce2a4901bf5d6a460ca7b158cb3a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad10fce2a4901bf5d6a460ca7b158cb3a">&#9670;&#160;</a></span>now()</h2>
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<td class="memname">static double UTimer::now </td>
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<p>This method is used to get the time of the system right now. </p><dl class="section return"><dt>Returns</dt><dd>double the time in seconds. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a10f628d8be04474d13c04b07c0426200">&#9670;&#160;</a></span>start()</h2>
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<td class="memname">void UTimer::start </td>
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<p>This method starts the timer. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a6a517d6f5f6e6c28b9392d04be22a320">&#9670;&#160;</a></span>stop()</h2>
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<td class="memname">void UTimer::stop </td>
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<p>This method stops the timer. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a372405f02e1d4e9571a73d80962d6f4c">&#9670;&#160;</a></span>elapsed()</h2>
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<td class="memname">double UTimer::elapsed </td>
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<p>This method is used to get the elapsed time between now and the <a class="el" href="classUTimer.html#a10f628d8be04474d13c04b07c0426200">start()</a>. If timer is stopped, the interval time between <a class="el" href="classUTimer.html#a6a517d6f5f6e6c28b9392d04be22a320">stop()</a> and the <a class="el" href="classUTimer.html#a10f628d8be04474d13c04b07c0426200">start()</a> is returned. </p><dl class="section return"><dt>Returns</dt><dd>double the interval in seconds. </dd></dl>
<p class="definition">Definition at line <a class="el" href="UTimer_8h_source.html#l00075">75</a> of file <a class="el" href="UTimer_8h_source.html">UTimer.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa4db57cf682a403fba8ddf95d268d2a6">&#9670;&#160;</a></span>restart()</h2>
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<td class="memname">double UTimer::restart </td>
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<p>This method is used to get the interval of the timer while it is running. It's automatically stop the timer, get the interval and restart the timer. It's the same of calling <a class="el" href="classUTimer.html#a6a517d6f5f6e6c28b9392d04be22a320">stop()</a>, <a class="el" href="classUTimer.html#a372405f02e1d4e9571a73d80962d6f4c">elapsed()</a> and <a class="el" href="classUTimer.html#a10f628d8be04474d13c04b07c0426200">start()</a>. Method <a class="el" href="classUTimer.html#aa4db57cf682a403fba8ddf95d268d2a6">restart()</a> does the same thing, for convenience. </p><dl class="section return"><dt>Returns</dt><dd>double the interval in seconds. </dd></dl>
<p class="definition">Definition at line <a class="el" href="UTimer_8h_source.html#l00086">86</a> of file <a class="el" href="UTimer_8h_source.html">UTimer.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>utilite/include/rtabmap/utilite/<a class="el" href="UTimer_8h_source.html">UTimer.h</a></li>
</ul>
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