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<hr><h1>load_balancing_trav.cpp</h1><a href="load__balancing__trav_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2001 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025 
00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00027 
00028 <font class="preprocessor">#include "<a class="code" href="load__balancing__trav_8h.html">3d/load_balancing_trav.h</a>"</font>
00029 <font class="preprocessor">#include "<a class="code" href="hrc__trav_8h.html">3d/hrc_trav.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="clip__trav_8h.html">3d/clip_trav.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="common_8h.html">nel/misc/common.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="hierarchical__timer_8h.html">nel/misc/hierarchical_timer.h</a>"</font>
00033 
00034 
00035 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00036 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00037 
00038 
00039 <font class="comment">// ***************************************************************************</font>
<a name="l00040"></a><a class="code" href="load__balancing__trav_8cpp.html#a0">00040</a> <font class="preprocessor">#define NL3D_DEFAULT_LOADBALANCING_VALUE_SMOOTHER       50</font>
<a name="l00041"></a><a class="code" href="load__balancing__trav_8cpp.html#a1">00041</a> <font class="preprocessor"></font><font class="preprocessor">#define NL3D_LOADBALANCING_SMOOTHER_MAX_RATIO           1.1f</font>
00042 <font class="preprocessor"></font>
00043 <font class="keyword">namespace </font>NL3D 
00044 {
00045 
00046 <font class="comment">// ***************************************************************************</font>
00047 <font class="comment">// ***************************************************************************</font>
00048 <font class="comment">// ***************************************************************************</font>
00049 <font class="comment">// ***************************************************************************</font>
00050 
00051 
00052 <font class="comment">// ***************************************************************************</font>
<a name="l00053"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#a0">00053</a> CLoadBalancingGroup::CLoadBalancingGroup()
00054 {
00055         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o5">_PrecPolygonBalancingMode</a>= CLoadBalancingGroup::PolygonBalancingOff;
00056         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">_NbFaceWanted</a>= 20000;
00057         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o4">_ValueSmoother</a>.<a class="code" href="classNLMISC_1_1CValueSmoother.html#a1">init</a>(<a class="code" href="load__balancing__trav_8cpp.html#a0">NL3D_DEFAULT_LOADBALANCING_VALUE_SMOOTHER</a>);
00058         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o0">_DefaultGroup</a>= <font class="keyword">false</font>;
00059 
00060         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>= 0;
00061         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>= 1;
00062 }
00063 
00064 
00065 <font class="comment">// ***************************************************************************</font>
<a name="l00066"></a><a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#c0">00066</a> <font class="keywordtype">void</font>                    CLoadBalancingGroup::computeRatioAndSmooth(TPolygonBalancingMode polMode)
00067 {
00068         <font class="comment">// If Default group, disable load balancing</font>
00069         <font class="keywordflow">if</font>(_DefaultGroup)
00070                 polMode= <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s0">PolygonBalancingOff</a>;
00071 
00072         <font class="comment">// Compute ratio</font>
00073         <font class="keywordflow">switch</font>(polMode)
00074         {
00075         <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s0">PolygonBalancingOff</a>:
00076                 <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>= 1;
00077                 <font class="keywordflow">break</font>;
00078         <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s1">PolygonBalancingOn</a> :
00079                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>!=0)
00080                         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>= (float)<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">_NbFaceWanted</a> / <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>;
00081                 <font class="keywordflow">else</font>
00082                         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>= 1;
00083                 <font class="keywordflow">break</font>;
00084         <font class="keywordflow">case</font> <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s2">PolygonBalancingClamp</a>:
00085                 <font class="keywordflow">if</font>(<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>!=0)
00086                         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>= (float)<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">_NbFaceWanted</a> / <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a>;
00087                 <font class="keywordflow">else</font>
00088                         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>= 1;
00089                 <a class="code" href="namespaceNLMISC.html#a215">clamp</a>(<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>, 0, 1);
00090                 <font class="keywordflow">break</font>;
00091                 <font class="keywordflow">default</font>: <font class="keywordflow">break</font>;
00092         };
00093 
00094         <font class="comment">// smooth the value.</font>
00095         <font class="comment">// if change of PolygonBalancingMode, reset the _ValueSmoother.</font>
00096         <font class="keywordflow">if</font>(polMode!=<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o5">_PrecPolygonBalancingMode</a>)
00097         {
00098                 <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o4">_ValueSmoother</a>.<a class="code" href="classNLMISC_1_1CValueSmoother.html#a1">init</a>(<a class="code" href="load__balancing__trav_8cpp.html#a0">NL3D_DEFAULT_LOADBALANCING_VALUE_SMOOTHER</a>);
00099                 <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o5">_PrecPolygonBalancingMode</a>= polMode;
00100         }
00101         <font class="comment">// if not PolygonBalancingOff, smooth the ratio.</font>
00102         <font class="keywordflow">if</font>(polMode!=<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#s4s0">PolygonBalancingOff</a>)
00103         {
00104                 <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o4">_ValueSmoother</a>.<a class="code" href="classNLMISC_1_1CValueSmoother.html#a3">addValue</a>(<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>);
00105                 <font class="keywordtype">float</font>   fSmooth= <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o4">_ValueSmoother</a>.<a class="code" href="classNLMISC_1_1CValueSmoother.html#a4">getSmoothValue</a>();
00106 
00107                 <font class="comment">// If after smoothing, the number of faces is still too big, reduce smooth effect! (frustrum clip effect)</font>
00108                 <font class="keywordflow">if</font>(fSmooth*<a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o1">_NbFacePass0</a> &gt; <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o2">_NbFaceWanted</a>*<a class="code" href="load__balancing__trav_8cpp.html#a1">NL3D_LOADBALANCING_SMOOTHER_MAX_RATIO</a>)
00109                 {
00110                         <font class="comment">// reset the smoother</font>
00111                         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o4">_ValueSmoother</a>.<a class="code" href="classNLMISC_1_1CValueSmoother.html#a2">reset</a>();
00112                         <font class="comment">// reduce smooth effect</font>
00113                         fSmooth= <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>*<a class="code" href="load__balancing__trav_8cpp.html#a1">NL3D_LOADBALANCING_SMOOTHER_MAX_RATIO</a>;
00114                         <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o4">_ValueSmoother</a>.<a class="code" href="classNLMISC_1_1CValueSmoother.html#a3">addValue</a>(fSmooth);
00115                 }
00116 
00117                 <font class="comment">// take the smoothed value.</font>
00118                 <a class="code" href="classNL3D_1_1CLoadBalancingGroup.html#o3">_FaceRatio</a>= fSmooth;
00119         }
00120 
00121 
00122 }
00123 
00124 
00125 
00126 <font class="comment">// ***************************************************************************</font>
00127 <font class="comment">// ***************************************************************************</font>
00128 <font class="comment">// ***************************************************************************</font>
00129 <font class="comment">// ***************************************************************************</font>
00130 
00131 
00132 <font class="comment">// ***************************************************************************</font>
<a name="l00133"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_0">00133</a> IObs                            *CLoadBalancingTrav::createDefaultObs()<font class="keyword"> const</font>
00134 <font class="keyword"></font>{
00135         <font class="keywordflow">return</font> <font class="keyword">new</font> CDefaultLoadBalancingObs;
00136 }
00137 
00138 
00139 <font class="comment">// ***************************************************************************</font>
<a name="l00140"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a0">00140</a> CLoadBalancingTrav::CLoadBalancingTrav()
00141 {
00142         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_5">PolygonBalancingMode</a>= CLoadBalancingGroup::PolygonBalancingOff;
00143 
00144         <font class="comment">// Add the default group and make it default</font>
00145         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>[<font class="stringliteral">"Default"</font>].Name= <font class="stringliteral">"Default"</font>;
00146         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>[<font class="stringliteral">"Default"</font>]._DefaultGroup= <font class="keyword">true</font>;
00147 
00148         <font class="comment">// set the DefaultGroup ptr.</font>
00149         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o2">_DefaultGroup</a>= &amp;<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>[<font class="stringliteral">"Default"</font>];
00150 
00151         <font class="comment">// prepare some space</font>
00152         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o4">_VisibleList</a>.reserve(1024);
00153 }
00154 
00155 
00156 <font class="comment">// ***************************************************************************</font>
<a name="l00157"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a4">00157</a> <font class="keywordtype">void</font>                            CLoadBalancingTrav::clearVisibleList()
00158 {
00159         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o4">_VisibleList</a>.clear();
00160 }
00161 
00162 <font class="comment">// ***************************************************************************</font>
<a name="l00163"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a5">00163</a> <font class="keywordtype">void</font>                            CLoadBalancingTrav::addVisibleObs(IBaseLoadBalancingObs *obs)
00164 {
00165         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o4">_VisibleList</a>.push_back(obs);
00166 }
00167 
00168 
00169 <font class="comment">// ***************************************************************************</font>
<a name="l00170"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z527_3">00170</a> <font class="keywordtype">void</font>                            CLoadBalancingTrav::traverse()
00171 {
00172         <a class="code" href="hierarchical__timer_8h.html#a4">H_AUTO</a>( NL3D_TravLoadBalancing );
00173 
00174         ITravCameraScene::update();
00175 
00176         <font class="comment">// Reset each group.</font>
00177         <font class="comment">//================</font>
00178         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u1">ItGroupMap</a>      it= <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>.begin();
00179         <font class="keywordflow">for</font>(;it!=<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>.end();it++)
00180         {
00181                 <font class="comment">// reset _NbFacePass0.</font>
00182                 it-&gt;second._NbFacePass0= 0;
00183         }
00184 
00185 
00186         <font class="comment">// Traverse the graph 2 times.</font>
00187 
00188         <font class="comment">// 1st pass, count NBFaces drawed.</font>
00189         <font class="comment">//================</font>
00190         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o0">_LoadPass</a>= 0;
00191         <font class="comment">// count _NbFacePass0.</font>
00192         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#c0">traverseVisibilityList</a>();
00193 
00194 
00195         <font class="comment">// Reset _SumNbFacePass0</font>
00196         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o1">_SumNbFacePass0</a>= 0;
00197         <font class="comment">// For each group</font>
00198         it= <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>.begin();
00199         <font class="keywordflow">for</font>(;it!=<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>.end();it++)
00200         {
00201                 <font class="comment">// compute ratio and smooth</font>
00202                 it-&gt;second.computeRatioAndSmooth(<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_5">PolygonBalancingMode</a>);
00203                 <font class="comment">// update _SumNbFacePass0</font>
00204                 <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o1">_SumNbFacePass0</a>+= it-&gt;second.getNbFaceAsked();
00205         }
00206 
00207 
00208         <font class="comment">// 2nd pass, compute Faces that will be drawed.</font>
00209         <font class="comment">//================</font>
00210         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o0">_LoadPass</a>= 1;
00211         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#c0">traverseVisibilityList</a>();
00212 
00213 }
00214 
00215 
00216 <font class="comment">// ***************************************************************************</font>
<a name="l00217"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#c0">00217</a> <font class="keywordtype">void</font>                            CLoadBalancingTrav::traverseVisibilityList()
00218 {
00219         <font class="comment">// Traverse all nodes of the visibility list.</font>
00220         uint    nObs= <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o4">_VisibleList</a>.size();
00221         <font class="keywordflow">for</font>(uint i=0; i&lt;nObs; i++)
00222         {
00223                 IBaseLoadBalancingObs   *loadBalObs= <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o4">_VisibleList</a>[i];
00224                 loadBalObs-&gt;traverse(NULL);
00225         }
00226 }
00227 
00228 
00229 <font class="comment">// ***************************************************************************</font>
<a name="l00230"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_4">00230</a> <font class="keywordtype">float</font>                           CLoadBalancingTrav::getNbFaceAsked ()<font class="keyword"> const</font>
00231 <font class="keyword"></font>{
00232         <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o1">_SumNbFacePass0</a>;
00233 }
00234 
00235 
00236 <font class="comment">// ***************************************************************************</font>
<a name="l00237"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a3">00237</a> CLoadBalancingGroup     *CLoadBalancingTrav::getOrCreateGroup(<font class="keyword">const</font> std::string &amp;group)
00238 {
00239         <font class="comment">// find</font>
00240         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#u1">ItGroupMap</a>      it;
00241         it= <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>.find(group);
00242         <font class="comment">// if not exist, create.</font>
00243         <font class="keywordflow">if</font>(it==<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>.end())
00244         {
00245                 <font class="comment">// create and set name.</font>
00246                 it= <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>.insert(make_pair(group, CLoadBalancingGroup())).first;
00247                 it-&gt;second.Name= group;
00248         }
00249 
00250         <font class="keywordflow">return</font> &amp;(it-&gt;second);
00251 }
00252 
00253 <font class="comment">// ***************************************************************************</font>
<a name="l00254"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_1">00254</a> <font class="keywordtype">void</font>                            CLoadBalancingTrav::setGroupNbFaceWanted(<font class="keyword">const</font> std::string &amp;group, uint nFaces)
00255 {
00256         <font class="comment">// get/create if needed, and assign.</font>
00257         <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a3">getOrCreateGroup</a>(group)-&gt;setNbFaceWanted(nFaces);
00258 }
00259 
00260 <font class="comment">// ***************************************************************************</font>
<a name="l00261"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_2">00261</a> uint                            CLoadBalancingTrav::getGroupNbFaceWanted(<font class="keyword">const</font> std::string &amp;group)
00262 {
00263         <font class="comment">// get/create if needed, and get.</font>
00264         <font class="keywordflow">return</font> <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#a3">getOrCreateGroup</a>(group)-&gt;getNbFaceWanted();
00265 }
00266 
00267 <font class="comment">// ***************************************************************************</font>
<a name="l00268"></a><a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#z528_3">00268</a> <font class="keywordtype">float</font>                           CLoadBalancingTrav::getGroupNbFaceAsked (<font class="keyword">const</font> std::string &amp;group)<font class="keyword"> const</font>
00269 <font class="keyword"></font>{
00270         TGroupMap::const_iterator       it;
00271         it= <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>.find(group);
00272         <font class="keywordflow">if</font>(it==<a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o3">_GroupMap</a>.end())
00273                 <font class="keywordflow">return</font> 0;
00274         <font class="keywordflow">else</font>
00275                 <font class="keywordflow">return</font> it-&gt;second.getNbFaceAsked();
00276 }
00277 
00278 
00279 <font class="comment">// ***************************************************************************</font>
00280 <font class="comment">// ***************************************************************************</font>
00281 <font class="comment">// ***************************************************************************</font>
00282 <font class="comment">// ***************************************************************************</font>
00283 
00284 
00285 <font class="comment">// ***************************************************************************</font>
<a name="l00286"></a><a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#a1">00286</a> <font class="keywordtype">void</font>    IBaseLoadBalancingObs::init()
00287 {
00288         IObs::init();
00289         <a class="code" href="debug_8h.html#a6">nlassert</a>( dynamic_cast&lt;IBaseHrcObs*&gt; (<a class="code" href="classNL3D_1_1IObs.html#z620_1">getObs</a>(<a class="code" href="namespaceNL3D.html#a41">HrcTravId</a>)) );
00290         <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m0">HrcObs</a>= static_cast&lt;IBaseHrcObs*&gt; (<a class="code" href="classNL3D_1_1IObs.html#z620_1">getObs</a>(<a class="code" href="namespaceNL3D.html#a41">HrcTravId</a>));
00291         <a class="code" href="debug_8h.html#a6">nlassert</a>( dynamic_cast&lt;IBaseClipObs*&gt; (<a class="code" href="classNL3D_1_1IObs.html#z620_1">getObs</a>(<a class="code" href="namespaceNL3D.html#a25">ClipTravId</a>)) );
00292         <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m1">ClipObs</a>= static_cast&lt;IBaseClipObs*&gt; (<a class="code" href="classNL3D_1_1IObs.html#z620_1">getObs</a>(<a class="code" href="namespaceNL3D.html#a25">ClipTravId</a>));
00293 
00294         <font class="comment">// assign me to the default group</font>
00295         <a class="code" href="classNL3D_1_1IBaseLoadBalancingObs.html#m2">LoadBalancingGroup</a>= ((CLoadBalancingTrav*)<a class="code" href="classNL3D_1_1IObs.html#m1">Trav</a>)-&gt;getDefaultGroup();
00296 }
00297 
00298 
00299 
00300 
00301 } <font class="comment">// NL3D</font>
</pre></div>

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