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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>NeL: NLMISC::CValueSmoother class Reference</title>
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<h1>NLMISC::CValueSmoother Class Reference</h1><code>#include <<a class="el" href="a06657.html">value_smoother.h</a>></code>
<p>
<p>Inheritance diagram for NLMISC::CValueSmoother:
<p><center><img src="a03642.png" usemap="#NLMISC::CValueSmoother_map" border="0" alt=""></center>
<map name="NLMISC::CValueSmoother_map">
<area href="a03643.html" alt="NLMISC::CValueSmootherTemplate< float >" shape="rect" coords="0,0,258,24">
</map>
<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03643.html#NLMISC_1_1CValueSmootherTemplatea0">addValue</a> (floatdt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">add a new value to be smoothed. <a href="#NLMISC_1_1CValueSmootherTemplatea0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top> </td><td class="memItemRight" valign=bottom><a class="el" href="a03642.html#NLMISC_1_1CValueSmoothera1">CValueSmoother</a> (<a class="el" href="a04558.html#a15">uint</a> n=16)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <a href="#NLMISC_1_1CValueSmoothera1"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>const std::vector< float > & </td><td class="memItemRight" valign=bottom><a class="el" href="a03643.html#NLMISC_1_1CValueSmootherTemplatea2">getLastFrames</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="a04558.html#a15">uint</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a03643.html#NLMISC_1_1CValueSmootherTemplatea3">getNumFrame</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>float </td><td class="memItemRight" valign=bottom><a class="el" href="a03643.html#NLMISC_1_1CValueSmootherTemplatea4">getSmoothValue</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get the smoothed value. <a href="#NLMISC_1_1CValueSmootherTemplatea4"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03643.html#NLMISC_1_1CValueSmootherTemplatea5">init</a> (<a class="el" href="a04558.html#a15">uint</a> n)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">reset the ValueSmoother, and set the number of frame to smooth. <a href="#NLMISC_1_1CValueSmootherTemplatea5"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="a03643.html#NLMISC_1_1CValueSmootherTemplatea6">reset</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">reset only the ValueSmoother <a href="#NLMISC_1_1CValueSmootherTemplatea6"></a><br><br></td></tr>
</table>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="NLMISC_1_1CValueSmoothera1" doxytag="NLMISC::CValueSmoother::CValueSmoother" ></a><p>
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<td class="mdRow">
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<td class="md" nowrap valign="top"> NLMISC::CValueSmoother::CValueSmoother </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="a04558.html#a15">uint</a> </td>
<td class="mdname1" valign="top" nowrap> <em>n</em> = 16 </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline, explicit]</code></td>
</tr>
</table>
</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
Constructor.
<p>
<p>
Definition at line <a class="el" href="a06657.html#l00201">201</a> of file <a class="el" href="a06657.html">value_smoother.h</a>.
<p>
References <a class="el" href="a05981.html#l00105">uint</a>.
<p>
<div class="fragment"><pre>00201 : CValueSmootherTemplate<float>(n)
00202 {
00203 }
</pre></div> </td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="NLMISC_1_1CValueSmootherTemplatea0" doxytag="NLMISC::CValueSmoother::addValue" ></a><p>
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<td class="md" nowrap valign="top"> void <a class="el" href="a03643.html">NLMISC::CValueSmootherTemplate</a>< float >::addValue </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">float </td>
<td class="mdname1" valign="top" nowrap> <em>dt</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline, inherited]</code></td>
</tr>
</table>
</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
add a new value to be smoothed.
<p>
<p>
Definition at line <a class="el" href="a06657.html#l00080">80</a> of file <a class="el" href="a06657.html">value_smoother.h</a>.
<p>
References <a class="el" href="a05484.html#l00038">min</a>, and <a class="el" href="a05981.html#l00105">uint</a>.
<p>
Referenced by <a class="el" href="a05559.html#l00424">NL3D::CCloudScape::anim()</a>, <a class="el" href="a05923.html#l00067">NL3D::CLoadBalancingGroup::computeRatioAndSmooth()</a>, and <a class="el" href="a05559.html#l00269">NL3D::CCloudScape::init()</a>.
<p>
<div class="fragment"><pre>00081 {
00082 <span class="keywordflow">if</span> (_LastFrames.empty())
00083 <span class="keywordflow">return</span>;
00084
00085 <span class="comment">// update the frame sum. NB: see init(), at start, array is full of 0. so it works even for un-inited values.</span>
00086 _FrameSum-= _LastFrames[_CurFrame];
00087 _FrameSum+= dt;
00088
00089 <span class="comment">// backup this value in the array.</span>
00090 _LastFrames[_CurFrame]= dt;
00091
00092 <span class="comment">// next frame.</span>
00093 _CurFrame++;
00094 <span class="comment">// _CurFrame%=_LastFrames.size();</span>
00095 <span class="keywordflow">if</span> (_CurFrame >= _LastFrames.size())
00096 _CurFrame -= _LastFrames.size();
00097
00098 <span class="comment">// update the number of frames added.</span>
00099 _NumFrame++;
00100 _NumFrame= <a class="code" href="a04061.html#a0">std::min</a>(_NumFrame, (<a class="code" href="a04558.html#a15">uint</a>)_LastFrames.size());
00101 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLMISC_1_1CValueSmootherTemplatea2" doxytag="NLMISC::CValueSmoother::getLastFrames" ></a><p>
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<td class="md" nowrap valign="top"> const std::vector<float >& <a class="el" href="a03643.html">NLMISC::CValueSmootherTemplate</a>< float >::getLastFrames </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, inherited]</code></td>
</tr>
</table>
</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06657.html#l00117">117</a> of file <a class="el" href="a06657.html">value_smoother.h</a>.
<p>
<div class="fragment"><pre>00118 {
00119 <span class="keywordflow">return</span> _LastFrames;
00120 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLMISC_1_1CValueSmootherTemplatea3" doxytag="NLMISC::CValueSmoother::getNumFrame" ></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="a04558.html#a15">uint</a> <a class="el" href="a03643.html">NLMISC::CValueSmootherTemplate</a>< float >::getNumFrame </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, inherited]</code></td>
</tr>
</table>
</td>
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<td>
</td>
<td>
<p>
<p>
Definition at line <a class="el" href="a06657.html#l00112">112</a> of file <a class="el" href="a06657.html">value_smoother.h</a>.
<p>
References <a class="el" href="a05981.html#l00105">uint</a>.
<p>
<div class="fragment"><pre>00113 {
00114 <span class="keywordflow">return</span> _NumFrame;
00115 }
</pre></div> </td>
</tr>
</table>
<a class="anchor" name="NLMISC_1_1CValueSmootherTemplatea4" doxytag="NLMISC::CValueSmoother::getSmoothValue" ></a><p>
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<td class="md" nowrap valign="top"> float <a class="el" href="a03643.html">NLMISC::CValueSmootherTemplate</a>< float >::getSmoothValue </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, inherited]</code></td>
</tr>
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</td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
get the smoothed value.
<p>
<p>
Definition at line <a class="el" href="a06657.html#l00104">104</a> of file <a class="el" href="a06657.html">value_smoother.h</a>.
<p>
Referenced by <a class="el" href="a05923.html#l00067">NL3D::CLoadBalancingGroup::computeRatioAndSmooth()</a>.
<p>
<div class="fragment"><pre>00105 {
00106 <span class="keywordflow">if</span>(_NumFrame>0)
00107 <span class="keywordflow">return</span> T(_FrameSum / _NumFrame);
00108 <span class="keywordflow">else</span>
00109 <span class="keywordflow">return</span> T(0);
00110 }
</pre></div> </td>
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</table>
<a class="anchor" name="NLMISC_1_1CValueSmootherTemplatea5" doxytag="NLMISC::CValueSmoother::init" ></a><p>
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<td class="md" nowrap valign="top"> void <a class="el" href="a03643.html">NLMISC::CValueSmootherTemplate</a>< float >::init </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="a04558.html#a15">uint</a> </td>
<td class="mdname1" valign="top" nowrap> <em>n</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline, inherited]</code></td>
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<table cellspacing=5 cellpadding=0 border=0>
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<td>
</td>
<td>
<p>
reset the ValueSmoother, and set the number of frame to smooth.
<p>
<p>
Definition at line <a class="el" href="a06657.html#l00056">56</a> of file <a class="el" href="a06657.html">value_smoother.h</a>.
<p>
References <a class="el" href="a05981.html#l00105">uint</a>.
<p>
Referenced by <a class="el" href="a05923.html#l00054">NL3D::CLoadBalancingGroup::CLoadBalancingGroup()</a>, <a class="el" href="a05923.html#l00067">NL3D::CLoadBalancingGroup::computeRatioAndSmooth()</a>, and <a class="el" href="a05559.html#l00269">NL3D::CCloudScape::init()</a>.
<p>
<div class="fragment"><pre>00057 {
00058 <span class="comment">// reset all the array to 0.</span>
00059 _LastFrames.clear();
00060
00061 <span class="keywordflow">if</span> (n > 0)
00062 _LastFrames.resize(n, 0);
00063
00064 _CurFrame = 0;
00065 _NumFrame = 0;
00066 _FrameSum = 0;
00067 }
</pre></div> </td>
</tr>
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<a class="anchor" name="NLMISC_1_1CValueSmootherTemplatea6" doxytag="NLMISC::CValueSmoother::reset" ></a><p>
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<td class="md" nowrap valign="top"> void <a class="el" href="a03643.html">NLMISC::CValueSmootherTemplate</a>< float >::reset </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [inline, inherited]</code></td>
</tr>
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</td>
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</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
reset only the ValueSmoother
<p>
<p>
Definition at line <a class="el" href="a06657.html#l00070">70</a> of file <a class="el" href="a06657.html">value_smoother.h</a>.
<p>
Referenced by <a class="el" href="a05923.html#l00067">NL3D::CLoadBalancingGroup::computeRatioAndSmooth()</a>.
<p>
<div class="fragment"><pre>00071 {
00072 std::fill(_LastFrames.begin(), _LastFrames.end(), T(0));
00073
00074 _CurFrame = 0;
00075 _NumFrame = 0;
00076 _FrameSum = 0;
00077 }
</pre></div> </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="a06657.html">value_smoother.h</a></ul>
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