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class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> </center> +<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> > <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>= &<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->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->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->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<nObs; i++) +00222 { +00223 IBaseLoadBalancingObs *loadBalObs= <a class="code" href="classNL3D_1_1CLoadBalancingTrav.html#o4">_VisibleList</a>[i]; +00224 loadBalObs->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 &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->second.Name= group; +00248 } +00249 +00250 <font class="keywordflow">return</font> &(it->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 &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)->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 &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)->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 &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->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<IBaseHrcObs*> (<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<IBaseHrcObs*> (<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<IBaseClipObs*> (<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<IBaseClipObs*> (<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>)->getDefaultGroup(); +00296 } +00297 +00298 +00299 +00300 +00301 } <font class="comment">// NL3D</font> +</pre></div> + +<!-- footer --> +<BR><FONT Size=+5> </FONT> +</TD> +<TD WIDTH=15><IMG SRC=http://www.nevrax.org/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD> +</TR> +</TABLE> +</BODY> +</HTML> |