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<hr><h1>quad_grid.h</h1><a href="pacs_2quad__grid_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2000 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">#ifndef NL_QUAD_GRID_PACS_H</font>
00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_QUAD_GRID_PACS_H</font>
00028 <font class="preprocessor"></font>
00029 <font class="preprocessor">#include "<a class="code" href="debug_8h.html">nel/misc/debug.h</a>"</font>
00030 <font class="preprocessor">#include "<a class="code" href="vector_8h.html">nel/misc/vector.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="plane_8h.html">nel/misc/plane.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="matrix_8h.html">nel/misc/matrix.h</a>"</font>
00033 <font class="preprocessor">#include &lt;list&gt;</font>
00034 <font class="preprocessor">#include &lt;vector&gt;</font>
00035 
00036 
00037 <font class="keyword">namespace </font>NLPACS
00038 {
00039 
00040 
00041 <font class="keyword">using</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a>;
00042 
00043 
00044 <font class="comment">// ***************************************************************************</font>
<a name="l00064"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html">00064</a> <font class="comment"></font><font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       <font class="keyword">class   </font>CQuadGrid
00065 {
00066 <font class="keyword">public</font>:
00068         <font class="keyword">class   </font><a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>;
<a name="l00069"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">00069</a>         <font class="keyword">friend</font> <font class="keyword">class    </font><a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>;
00070 
00071 <font class="keyword">public</font>:
00072 
00074         <a class="code" href="classNLPACS_1_1CQuadGrid.html#a0">CQuadGrid</a>();
00075 
00077         <a class="code" href="classNLPACS_1_1CQuadGrid.html#a1">~CQuadGrid</a>();
00078 
00080 
00081 
00096         <font class="keywordtype">void</font>                    <a class="code" href="classNLPACS_1_1CQuadGrid.html#z948_0">changeBase</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>&amp; base);
00097 
00104         <font class="keywordtype">void</font>                    <a class="code" href="classNLPACS_1_1CQuadGrid.html#z948_1">create</a>(uint size, <font class="keywordtype">float</font> eltSize);
00106 
00108 
00109 
00110         <font class="keywordtype">void</font>                    <a class="code" href="classNLPACS_1_1CQuadGrid.html#z949_0">clear</a>();
00111 
00118         <a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>               <a class="code" href="classNLPACS_1_1CQuadGrid.html#z949_1">erase</a>(<a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a> it);
00119 
00126         <a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>               <a class="code" href="classNLPACS_1_1CQuadGrid.html#z949_2">insert</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bboxmax, <font class="keyword">const</font> T &amp;val);
00128 
00129 
00131 
00132 
00134         <font class="keywordtype">void</font>                    <a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_0">clearSelection</a>();
00135 
00138         <font class="keywordtype">void</font>                    <a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_1">selectAll</a>();
00139 
00145         <font class="keywordtype">void</font>                    <a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_2">select</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bboxmax);
00146 
00147 
00150         <a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>               <a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_3">begin</a>();
00151 
00154         <a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>               <a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_4">end</a>();
00156 
00157 
00158 <font class="comment">// =================</font>
00159 <font class="comment">// =================</font>
00160 <font class="comment">// IMPLEMENTATION.</font>
00161 <font class="comment">// =================</font>
00162 <font class="comment">// =================</font>
00163 <font class="keyword">private</font>:<font class="comment">// Classes.</font>
00164 
<a name="l00165"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html">00165</a>         <font class="keyword">class   </font>CBaseNode
00166         {
00167         <font class="keyword">public</font>:
<a name="l00168"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html#m0">00168</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html#a0">CBaseNode</a>       *<a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html#m0">Prev</a>,*<a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>;    <font class="comment">// For selection.</font>
<a name="l00169"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html#a0">00169</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html#a0">CBaseNode</a>() {Prev= Next= NULL;}
00170         };
00171 
<a name="l00172"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CNode.html">00172</a>         <font class="keyword">class   </font>CNode : <font class="keyword">public</font> CBaseNode
00173         {
00174         <font class="keyword">public</font>:
<a name="l00175"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CNode.html#m0">00175</a>                 T               <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CNode.html#m0">Elt</a>;
<a name="l00176"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CNode.html#m2">00176</a>                 uint16  <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CNode.html#m1">x0</a>,<a class="code" href="classNLPACS_1_1CQuadGrid_1_1CNode.html#m2">x1</a>;                  <font class="comment">// The location of the elt in the grid. Used for erase().</font>
<a name="l00177"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CNode.html#m4">00177</a>                 uint16  <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CNode.html#m3">y0</a>,<a class="code" href="classNLPACS_1_1CQuadGrid_1_1CNode.html#m4">y1</a>;
00178         };
00179 
<a name="l00180"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CQuadNode.html">00180</a>         <font class="keyword">class   </font>CQuadNode
00181         {
00182         <font class="keyword">public</font>:
<a name="l00183"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CQuadNode.html#m0">00183</a>                 <a class="code" href="classstd_1_1list.html">std::list&lt;CNode*&gt;</a>       <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CQuadNode.html#m0">Nodes</a>;
00184         };
00185 
00186 <font class="keyword">private</font>:<font class="comment">// Atttributes.</font>
<a name="l00187"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#o0">00187</a>         std::vector&lt;CQuadNode&gt;  <a class="code" href="classNLPACS_1_1CQuadGrid.html#o0">_Grid</a>;
<a name="l00188"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">00188</a>         sint                            <a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>;
<a name="l00189"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#o2">00189</a>         sint                            <a class="code" href="classNLPACS_1_1CQuadGrid.html#o2">_SizePower</a>;
<a name="l00190"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#o3">00190</a>         <font class="keywordtype">float</font>                           <a class="code" href="classNLPACS_1_1CQuadGrid.html#o3">_EltSize</a>;
<a name="l00191"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#o4">00191</a>         <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o4">_ChangeBasis</a>;
00192         <font class="comment">// Selection.</font>
<a name="l00193"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#o5">00193</a>         CBaseNode                       <a class="code" href="classNLPACS_1_1CQuadGrid.html#o5">_Selection</a>;
00194 
00195 
00196 <font class="keyword">private</font>:<font class="comment">// Methods.</font>
00197 
00198         <font class="comment">// return the coordinates on the grid of what include the bbox.</font>
<a name="l00199"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#c0">00199</a>         <font class="keywordtype">void</font>            <a class="code" href="classNLPACS_1_1CQuadGrid.html#c0">selectQuads</a>(CVector bmin, CVector bmax, sint &amp;x0, sint &amp;x1, sint &amp;y0, sint &amp;y1)
00200         {
00201                 CVector         bminp, bmaxp;
00202                 bminp= bmin;
00203                 bmaxp= bmax;
00204                 bmin.minof(bminp, bmaxp);
00205                 bmax.maxof(bminp, bmaxp);
00206                 bmin/= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o3">_EltSize</a>;
00207                 bmax/= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o3">_EltSize</a>;
00208                 x0= (sint)(floor(bmin.x));
00209                 x1= (sint)(ceil(bmax.x));
00210                 y0= (sint)(floor(bmin.y));
00211                 y1= (sint)(ceil(bmax.y));
00212 
00213                 <font class="comment">// Very special case where the bbox.size==0 AND position is JUST on an edge of a case.</font>
00214                 <font class="keywordflow">if</font>(x0==x1)
00215                         x1++;
00216                 <font class="keywordflow">if</font>(y0==y1)
00217                         y1++;
00218 
00219                 <font class="comment">// Manage tiling.</font>
00220                 <font class="keywordflow">if</font>(x1-x0&gt;=<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>)
00221                         x0=0, x1= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>;
00222                 <font class="keywordflow">else</font>
00223                 {
00224                         x0&amp;= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>-1;
00225                         x1&amp;= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>-1;
00226                         <font class="keywordflow">if</font>(x1&lt;=x0)
00227                                 x1+=<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>;
00228                 }
00229                 <font class="keywordflow">if</font>(y1-y0&gt;=<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>)
00230                         y0=0, y1= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>;
00231                 <font class="keywordflow">else</font>
00232                 {
00233                         y0&amp;= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>-1;
00234                         y1&amp;= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>-1;
00235                         <font class="keywordflow">if</font>(y1&lt;=y0)
00236                                 y1+=<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>;
00237                 }
00238         }
00239 
00240         <font class="comment">// If not done, add the node to the selection.</font>
<a name="l00241"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#c1">00241</a>         <font class="keywordtype">void</font>            <a class="code" href="classNLPACS_1_1CQuadGrid.html#c1">addToSelection</a>(CNode    *ptr)
00242         {
00243                 <font class="keywordflow">if</font>(ptr-&gt;Prev==NULL)
00244                 {
00245                         <font class="comment">// Append to front of the list.</font>
00246                         ptr-&gt;Prev= &amp;_Selection;
00247                         ptr-&gt;Next= _Selection.Next;
00248                         <font class="keywordflow">if</font>(_Selection.Next)
00249                                 _Selection.Next-&gt;Prev= ptr;
00250                         _Selection.Next= ptr;
00251                 }
00252         }
00253 
00254         <font class="comment">// Try to add each node of the quad node list.</font>
<a name="l00255"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#c2">00255</a>         <font class="keywordtype">void</font>            <a class="code" href="classNLPACS_1_1CQuadGrid.html#c2">addQuadNodeToSelection</a>(CQuadNode        &amp;quad)
00256         {
00257                 <a class="code" href="classstd_1_1list.html">std::list&lt;CNode*&gt;</a>::iterator     itNode;
00258                 <font class="keywordflow">for</font>(itNode= quad.Nodes.begin();itNode!=quad.Nodes.end();itNode++)
00259                 {
00260                         <a class="code" href="classNLPACS_1_1CQuadGrid.html#c1">addToSelection</a>(*itNode);
00261                 }
00262         }
00263 
00264 
00265 <font class="keyword">public</font>:
00266         <font class="comment">// CLASS const_iterator.</font>
<a name="l00267"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html">00267</a>         <font class="keyword">class </font>const_iterator
00268         {
00269         <font class="keyword">public</font>:
<a name="l00270"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">00270</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>()        {<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>=NULL;}
<a name="l00271"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a1">00271</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>(CNode *p) : <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>(p) {}
<a name="l00272"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a2">00272</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>(<font class="keyword">const</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#l1">CIterator</a>&amp; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>) : <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>.<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>) {}
00273 
<a name="l00274"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a3">00274</a>                 <font class="keyword">const</font> T&amp;        <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a3">operator*</a>()<font class="keyword"> const</font>
00275 <font class="keyword">                        </font>{<font class="keywordflow">return</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>-&gt;Elt; }
00276                 <font class="comment">// Doesn't work...</font>
00277                 <font class="comment">/*const T*      operator-&gt;() const</font>
00278 <font class="comment">                        {return (&amp;**this); }*/</font>
<a name="l00279"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a4">00279</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>&amp; <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a4">operator++</a>()
00280                         {<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>-&gt;Next); <font class="keywordflow">return</font> (*this); }
<a name="l00281"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a5">00281</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a4">operator++</a>(<font class="keywordtype">int</font>)
00282                         {<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a> tmp = *<font class="keyword">this</font>; ++*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00283"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a6">00283</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>&amp; <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a6">operator--</a>()
00284                         {<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>-&gt;Prev); <font class="keywordflow">return</font> (*this); }
<a name="l00285"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a7">00285</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a6">operator--</a>(<font class="keywordtype">int</font>)
00286                         {<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a> tmp = *<font class="keyword">this</font>; --*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00287"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a8">00287</a>                 <font class="keywordtype">bool</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a8">operator==</a>(<font class="keyword">const</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>&amp; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00288 <font class="keyword">                        </font>{<font class="keywordflow">return</font> (<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> == x._Ptr); }
<a name="l00289"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a9">00289</a>                 <font class="keywordtype">bool</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a9">operator!=</a>(<font class="keyword">const</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>&amp; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00290 <font class="keyword">                        </font>{<font class="keywordflow">return</font> (!(*<font class="keyword">this</font> == x)); }
00291         <font class="keyword">protected</font>:
<a name="l00292"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">00292</a>                 CNode   *<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>;
<a name="l00293"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#l0">00293</a>                 <font class="keyword">friend</font> <font class="keyword">class </font>CQuadGrid&lt;T&gt;;
<a name="l00294"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#l1">00294</a>                 <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#l1">CIterator</a>;
00295         };
00296 
00297         <font class="comment">// CLASS CIterator</font>
<a name="l00298"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html">00298</a>         <font class="keyword">class </font><a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a> : <font class="keyword">public</font> const_iterator
00299         {
00300         <font class="keyword">public</font>:
<a name="l00301"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a0">00301</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a>()                     {<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>=NULL;}
<a name="l00302"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a1">00302</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a>(CNode *p) : <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>(p) {}
<a name="l00303"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a2">00303</a>                 T&amp;      <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a2">operator*</a>()<font class="keyword"> const</font>
00304 <font class="keyword">                        </font>{<font class="keywordflow">return</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>-&gt;Elt; }
00305                 <font class="comment">// Doesn't work...</font>
00306                 <font class="comment">/*T*    operator-&gt;() const</font>
00307 <font class="comment">                        {return (&amp;**this); }*/</font>
<a name="l00308"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a3">00308</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a>&amp; <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a3">operator++</a>()
00309                         {<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>-&gt;Next); <font class="keywordflow">return</font> (*this); }
<a name="l00310"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a4">00310</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a3">operator++</a>(<font class="keywordtype">int</font>)
00311                         {<a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a> tmp = *<font class="keyword">this</font>; ++*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00312"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a5">00312</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a>&amp; <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a5">operator--</a>()
00313                         {<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> = (CNode*)(<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a>-&gt;Prev); <font class="keywordflow">return</font> (*this); }
<a name="l00314"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a6">00314</a>                 <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a5">operator--</a>(<font class="keywordtype">int</font>)
00315                         {<a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a0">CIterator</a> tmp = *<font class="keyword">this</font>; --*<font class="keyword">this</font>; <font class="keywordflow">return</font> (tmp); }
<a name="l00316"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a7">00316</a>                 <font class="keywordtype">bool</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a7">operator==</a>(<font class="keyword">const</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>&amp; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00317 <font class="keyword">                        </font>{<font class="keywordflow">return</font> (<a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#n0">_Ptr</a> == x._Ptr); }
<a name="l00318"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a8">00318</a>                 <font class="keywordtype">bool</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#a8">operator!=</a>(<font class="keyword">const</font> <a class="code" href="classNLPACS_1_1CQuadGrid_1_1const__iterator.html#a0">const_iterator</a>&amp; <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>)<font class="keyword"> const</font>
00319 <font class="keyword">                        </font>{<font class="keywordflow">return</font> (!(*<font class="keyword">this</font> == x)); }
00320         <font class="keyword">protected</font>:
<a name="l00321"></a><a class="code" href="classNLPACS_1_1CQuadGrid_1_1CIterator.html#l0">00321</a>                 <font class="keyword">friend</font> <font class="keyword">class </font>CQuadGrid&lt;T&gt;;
00322         };
00323 
00324 
00325 };
00326 
00327 
00328 <font class="comment">// ***************************************************************************</font>
00329 <font class="comment">// ***************************************************************************</font>
00330 <font class="comment">// ***************************************************************************</font>
00331 <font class="comment">// ***************************************************************************</font>
00332 <font class="comment">// Template CQuadGrid implementation.</font>
00333 <font class="comment">// ***************************************************************************</font>
00334 <font class="comment">// ***************************************************************************</font>
00335 <font class="comment">// ***************************************************************************</font>
00336 <font class="comment">// ***************************************************************************</font>
00337 
00338 
00339 <font class="comment">// ***************************************************************************</font>
00340 <font class="comment">// Init.</font>
00341 <font class="comment">// ***************************************************************************</font>
00342 
00343 
00344 <font class="comment">// ***************************************************************************</font>
<a name="l00345"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#a0">00345</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       CQuadGrid&lt;T&gt;::CQuadGrid()
00346 {
00347         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o2">_SizePower</a>=4;
00348         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>=1&lt;&lt;<a class="code" href="classNLPACS_1_1CQuadGrid.html#o2">_SizePower</a>;
00349         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o3">_EltSize</a>=1;
00350         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o4">_ChangeBasis</a>.<a class="code" href="classNLMISC_1_1CMatrix.html#z290_0">identity</a>();
00351 }
00352 <font class="comment">// ***************************************************************************</font>
<a name="l00353"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#a1">00353</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       CQuadGrid&lt;T&gt;::~CQuadGrid()
00354 {
00355         <a class="code" href="classNLPACS_1_1CQuadGrid.html#z949_0">clear</a>();
00356 }
00357 <font class="comment">// ***************************************************************************</font>
<a name="l00358"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#z948_0">00358</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       <font class="keywordtype">void</font>            CQuadGrid&lt;T&gt;::changeBase(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CMatrix.html">NLMISC::CMatrix</a>&amp; base)
00359 {
00360         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o4">_ChangeBasis</a>= base;
00361 }
00362 <font class="comment">// ***************************************************************************</font>
<a name="l00363"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#z948_1">00363</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       <font class="keywordtype">void</font>            CQuadGrid&lt;T&gt;::create(uint size, <font class="keywordtype">float</font> eltSize)
00364 {
00365         <a class="code" href="classNLPACS_1_1CQuadGrid.html#z949_0">clear</a>();
00366 
00367         <a class="code" href="debug_8h.html#a6">nlassert</a>(<a class="code" href="namespaceNLMISC.html#a225">isPowerOf2</a>(size));
00368         <a class="code" href="debug_8h.html#a6">nlassert</a>(size&lt;=32768);
00369         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o2">_SizePower</a>= <a class="code" href="namespaceNLMISC.html#a224">getPowerOf2</a>(size);
00370         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>=1&lt;&lt;<a class="code" href="classNLPACS_1_1CQuadGrid.html#o2">_SizePower</a>;
00371         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o0">_Grid</a>.resize(<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>*<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>);
00372 
00373         <a class="code" href="debug_8h.html#a6">nlassert</a>(eltSize&gt;0);
00374         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o3">_EltSize</a>= eltSize;
00375 }
00376 
00377 
00378 <font class="comment">// ***************************************************************************</font>
00379 <font class="comment">// insert/erase.</font>
00380 <font class="comment">// ***************************************************************************</font>
00381 
00382 
00383 <font class="comment">// ***************************************************************************</font>
<a name="l00384"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#z949_0">00384</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       <font class="keywordtype">void</font>            CQuadGrid&lt;T&gt;::clear()
00385 {
00386         <a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>       it;
00387         <a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_1">selectAll</a>();
00388         <font class="keywordflow">while</font>( (it=<a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_3">begin</a>())!=<a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_4">end</a>())
00389         {
00390                 <a class="code" href="classNLPACS_1_1CQuadGrid.html#z949_1">erase</a>(it);
00391         }
00392 
00393         <font class="comment">// Clear the selection...</font>
00394         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o5">_Selection</a>.<a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>= NULL;
00395 }
00396 <font class="comment">// ***************************************************************************</font>
<a name="l00397"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#z949_1">00397</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       CQuadGrid&lt;T&gt;::CIterator CQuadGrid&lt;T&gt;::erase(CQuadGrid&lt;T&gt;::CIterator it)
00398 {
00399         sint    <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00400         CNode   *ptr= it._Ptr;
00401 
00402         <font class="keywordflow">if</font>(!ptr)
00403                 <font class="keywordflow">return</font> <a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_4">end</a>();
00404 
00405         <font class="comment">// First erase all references to it.</font>
00406         <font class="comment">//==================================</font>
00407         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= ptr-&gt;y0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;ptr-&gt;y1;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00408         {
00409                 sint    xe,ye;
00410                 ye= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &amp;(<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>-1);
00411                 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= ptr-&gt;x0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;ptr-&gt;x1;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00412                 {
00413                         xe= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &amp;(<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>-1);
00414                         CQuadNode       &amp;quad= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o0">_Grid</a>[(ye&lt;&lt;<a class="code" href="classNLPACS_1_1CQuadGrid.html#o2">_SizePower</a>)+xe];
00415                         <a class="code" href="classstd_1_1list.html">std::list&lt;CNode*&gt;</a>::iterator     itNode;
00416                         <font class="keywordflow">for</font>(itNode= quad.Nodes.begin();itNode!=quad.Nodes.end();itNode++)
00417                         {
00418                                 <font class="keywordflow">if</font>((*itNode)==ptr)
00419                                 {
00420                                         quad.Nodes.erase(itNode);
00421                                         <font class="keywordflow">break</font>;
00422                                 }
00423                         }
00424                 }
00425         }
00426 
00427         <font class="comment">// Then delete it..., and update selection linked list.</font>
00428         <font class="comment">//=====================================================</font>
00429         <font class="comment">// if selected.</font>
00430         CBaseNode       *next= NULL;
00431         <font class="keywordflow">if</font>(ptr-&gt;Prev)
00432         {
00433                 next= ptr-&gt;Next;
00434                 <font class="keywordflow">if</font>(next)
00435                         next-&gt;Prev=ptr-&gt;Prev;
00436                 ptr-&gt;Prev-&gt;Next= next;
00437         }
00438         <font class="keyword">delete</font> ptr;
00439 
00440 
00441         <font class="keywordflow">return</font> <a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>((CNode*)next);
00442 }
00443 <font class="comment">// ***************************************************************************</font>
<a name="l00444"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#z949_2">00444</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       CQuadGrid&lt;T&gt;::CIterator CQuadGrid&lt;T&gt;::insert(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bboxmax, <font class="keyword">const</font> T &amp;val)
00445 {
00446         CVector         bmin,bmax;
00447         bmin= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o4">_ChangeBasis</a>*bboxmin;
00448         bmax= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o4">_ChangeBasis</a>*bboxmax;
00449 
00450         CNode   *ptr= <font class="keyword">new</font> CNode;
00451         ptr-&gt;Elt= val;
00452 
00453         <font class="comment">// Find which quad include the object.</font>
00454         <font class="comment">//===================================</font>
00455         sint    x0,y0;
00456         sint    x1,y1;
00457         <a class="code" href="classNLPACS_1_1CQuadGrid.html#c0">selectQuads</a>(bmin, bmax, x0,x1, y0,y1);
00458 
00459         ptr-&gt;x0= x0;
00460         ptr-&gt;x1= x1;
00461         ptr-&gt;y0= y0;
00462         ptr-&gt;y1= y1;
00463 
00464         <font class="comment">// Then for all of them, insert the node in their list.</font>
00465         <font class="comment">//=====================================================</font>
00466         sint    <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00467         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= ptr-&gt;y0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;ptr-&gt;y1;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00468         {
00469                 sint    xe,ye;
00470                 ye= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &amp;(<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>-1);
00471                 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= ptr-&gt;x0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;ptr-&gt;x1;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00472                 {
00473                         xe= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &amp;(<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>-1);
00474                         CQuadNode       &amp;quad= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o0">_Grid</a>[(ye&lt;&lt;<a class="code" href="classNLPACS_1_1CQuadGrid.html#o2">_SizePower</a>)+xe];
00475                         quad.Nodes.push_back(ptr);
00476                 }
00477         }
00478 
00479         <font class="keywordflow">return</font> <a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>(ptr);
00480 }
00481 
00482 
00483 <font class="comment">// ***************************************************************************</font>
00484 <font class="comment">// selection.</font>
00485 <font class="comment">// ***************************************************************************</font>
00486 
00487 
00488 <font class="comment">// ***************************************************************************</font>
<a name="l00489"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_0">00489</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       <font class="keywordtype">void</font>                    CQuadGrid&lt;T&gt;::clearSelection()
00490 {
00491         CBaseNode       *ptr= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o5">_Selection</a>.<a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>;
00492         <font class="keywordflow">while</font>(ptr)
00493         {
00494                 ptr-&gt;Prev= NULL;
00495                 CBaseNode       *next= ptr-&gt;Next;
00496                 ptr-&gt;Next= NULL;
00497                 ptr= next;
00498         }
00499 
00500         <a class="code" href="classNLPACS_1_1CQuadGrid.html#o5">_Selection</a>.<a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>= NULL;
00501 }
00502 <font class="comment">// ***************************************************************************</font>
<a name="l00503"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_1">00503</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       <font class="keywordtype">void</font>                    CQuadGrid&lt;T&gt;::selectAll()
00504 {
00505         <a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_0">clearSelection</a>();
00506         <font class="keywordflow">for</font>(sint i=0;i&lt;(sint)<a class="code" href="classNLPACS_1_1CQuadGrid.html#o0">_Grid</a>.size();i++)
00507         {
00508                 CQuadNode       &amp;quad= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o0">_Grid</a>[i];
00509                 <a class="code" href="classNLPACS_1_1CQuadGrid.html#c2">addQuadNodeToSelection</a>(quad);
00510         }
00511 }
00512 <font class="comment">// ***************************************************************************</font>
<a name="l00513"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_2">00513</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       <font class="keywordtype">void</font>                    CQuadGrid&lt;T&gt;::select(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bboxmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bboxmax)
00514 {
00515         CVector         bmin,bmax;
00516         bmin= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o4">_ChangeBasis</a>*bboxmin;
00517         bmax= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o4">_ChangeBasis</a>*bboxmax;
00518 
00519         <a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_0">clearSelection</a>();
00520 
00521         <font class="comment">// What are the quads to access?</font>
00522         sint    x0,y0;
00523         sint    x1,y1;
00524         <a class="code" href="classNLPACS_1_1CQuadGrid.html#c0">selectQuads</a>(bmin, bmax, x0,x1, y0,y1);
00525 
00526         sint    <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>,<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00527         <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>= y0;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&lt;y1;<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>++)
00528         {
00529                 sint    xe,ye;
00530                 ye= <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> &amp;(<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>-1);
00531                 <font class="keywordflow">for</font>(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>= x0;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&lt;x1;<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>++)
00532                 {
00533                         xe= <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> &amp;(<a class="code" href="classNLPACS_1_1CQuadGrid.html#o1">_Size</a>-1);
00534                         CQuadNode       &amp;quad= <a class="code" href="classNLPACS_1_1CQuadGrid.html#o0">_Grid</a>[(ye&lt;&lt;<a class="code" href="classNLPACS_1_1CQuadGrid.html#o2">_SizePower</a>)+xe];
00535                         <a class="code" href="classNLPACS_1_1CQuadGrid.html#c2">addQuadNodeToSelection</a>(quad);
00536                 }
00537         }
00538 
00539 }
00540 <font class="comment">// ***************************************************************************</font>
<a name="l00541"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_3">00541</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       CQuadGrid&lt;T&gt;::CIterator         CQuadGrid&lt;T&gt;::begin()
00542 {
00543         <font class="keywordflow">return</font> <a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>((CNode*)(<a class="code" href="classNLPACS_1_1CQuadGrid.html#o5">_Selection</a>.<a class="code" href="classNLPACS_1_1CQuadGrid_1_1CBaseNode.html#m1">Next</a>));
00544 }
00545 <font class="comment">// ***************************************************************************</font>
<a name="l00546"></a><a class="code" href="classNLPACS_1_1CQuadGrid.html#z950_4">00546</a> <font class="keyword">template</font>&lt;<font class="keyword">class</font> T&gt;       CQuadGrid&lt;T&gt;::CIterator         CQuadGrid&lt;T&gt;::end()
00547 {
00548         <font class="keywordflow">return</font> <a class="code" href="classNLPACS_1_1CQuadGrid.html#l0">CIterator</a>(NULL);
00549 }
00550 
00551 
00552 } <font class="comment">// NLPACS</font>
00553 
00554 
00555 <font class="preprocessor">#endif // NL_QUAD_GRID_H</font>
00556 <font class="preprocessor"></font>
00557 <font class="comment">/* End of quad_grid.h */</font>
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