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<hr><h1>face_grid.h</h1><a href="face__grid_8h.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">#ifndef NL_FACE_GRID_H</font>
00027 <font class="preprocessor"></font><font class="preprocessor">#define NL_FACE_GRID_H</font>
00028 <font class="preprocessor"></font>
00029 <font class="preprocessor">#include &lt;vector&gt;</font>
00030 <font class="preprocessor">#include "<a class="code" href="types__nl_8h.html">nel/misc/types_nl.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="vector_8h.html">nel/misc/vector.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font>
00033 
00034 <font class="preprocessor">#include "<a class="code" href="aabbox_8h.html">nel/misc/aabbox.h</a>"</font>
00035 
00036 <font class="preprocessor">#include "<a class="code" href="vector__2s_8h.html">pacs/vector_2s.h</a>"</font>
00037 <font class="preprocessor">#include "<a class="code" href="surface__quad_8h.html">pacs/surface_quad.h</a>"</font>
00038 <font class="preprocessor">#include "<a class="code" href="chain_8h.html">pacs/chain.h</a>"</font>
00039 <font class="preprocessor">#include "<a class="code" href="retrievable__surface_8h.html">pacs/retrievable_surface.h</a>"</font>
00040 <font class="preprocessor">#include "<a class="code" href="chain__quad_8h.html">pacs/chain_quad.h</a>"</font>
00041 <font class="preprocessor">#include "<a class="code" href="exterior__mesh_8h.html">pacs/exterior_mesh.h</a>"</font>
00042 <font class="preprocessor">#include "<a class="code" href="pacs_2quad__grid_8h.html">pacs/quad_grid.h</a>"</font>
00043 
00044 <font class="preprocessor">#include "<a class="code" href="u__global__position_8h.html">nel/pacs/u_global_position.h</a>"</font>
00045 
00046 
00047 
00048 <font class="keyword">namespace </font>NLPACS
00049 {
00050 
<a name="l00057"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html">00057</a> <font class="keyword">class </font>CFaceGrid
00058 {
00059 <font class="keyword">public</font>:
<a name="l00066"></a><a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html">00066</a>         <font class="keyword">class </font>CFaceGridBuild
00067         {
00068         <font class="keyword">public</font>:
<a name="l00070"></a><a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m0">00070</a>                 std::vector&lt; std::vector&lt;uint32&gt; &gt;      <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m0">Grid</a>;
00071 
<a name="l00073"></a><a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">00073</a>                 uint                                                            <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>;
00074 
<a name="l00076"></a><a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m2">00076</a>                 <font class="keywordtype">float</font>                                                           <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m2">Size</a>;
00077 
00078         <font class="keyword">public</font>:
00080                 <font class="keywordtype">void</font>                                                            <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#a0">init</a>(uint <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, <font class="keywordtype">float</font> elsize);
00081 
00083                 <font class="keywordtype">void</font>                                                            <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#a1">insert</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bmin, <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bmax, uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
00084         };
00085 
00086 <font class="keyword">protected</font>:
<a name="l00088"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html#n0">00088</a>         uint16                                  <a class="code" href="classNLPACS_1_1CFaceGrid.html#n0">_Width</a>;
<a name="l00090"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html#n1">00090</a>         uint16                                  <a class="code" href="classNLPACS_1_1CFaceGrid.html#n1">_Log2Width</a>;
00091 
<a name="l00093"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html#n2">00093</a>         <font class="keywordtype">float</font>                                   <a class="code" href="classNLPACS_1_1CFaceGrid.html#n2">_ElSize</a>;
00094 
<a name="l00096"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html#n3">00096</a>         std::vector&lt;uint32&gt;             <a class="code" href="classNLPACS_1_1CFaceGrid.html#n3">_Grid</a>;
<a name="l00098"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html#n4">00098</a>         std::vector&lt;uint32&gt;             <a class="code" href="classNLPACS_1_1CFaceGrid.html#n4">_GridData</a>;
00099 
00100 <font class="keyword">public</font>:
<a name="l00102"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html#a0">00102</a>         <a class="code" href="classNLPACS_1_1CFaceGrid.html#a0">CFaceGrid</a>() : <a class="code" href="classNLPACS_1_1CFaceGrid.html#n0">_Width</a>(0), <a class="code" href="classNLPACS_1_1CFaceGrid.html#n1">_Log2Width</a>(0), <a class="code" href="classNLPACS_1_1CFaceGrid.html#n2">_ElSize</a>(0.0f) {}
00103         
00104         
00106         <font class="keywordtype">void</font>                                    <a class="code" href="classNLPACS_1_1CFaceGrid.html#a1">clear</a>();
00107 
00109         <font class="keywordtype">void</font>                                    <a class="code" href="classNLPACS_1_1CFaceGrid.html#a2">create</a>(<font class="keyword">const</font> CFaceGridBuild &amp;fgb);
00110 
00112         <font class="keywordtype">void</font>                                    <a class="code" href="classNLPACS_1_1CFaceGrid.html#a3">select</a>(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;pos, std::vector&lt;uint32&gt; &amp;selected) <font class="keyword">const</font>;
00113 
00115         <font class="keywordtype">void</font>                                    <a class="code" href="classNLPACS_1_1CFaceGrid.html#a4">serial</a>(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f);
00116 };
00117 
00118 <font class="comment">// CFaceGrid inline</font>
00119 
<a name="l00120"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html#a1">00120</a> <font class="keyword">inline</font> <font class="keywordtype">void</font> CFaceGrid::clear()
00121 {
00122         <a class="code" href="classNLPACS_1_1CFaceGrid.html#n0">_Width</a> = 0;
00123         <a class="code" href="classNLPACS_1_1CFaceGrid.html#n1">_Log2Width</a> = 0;
00124         <a class="code" href="classNLPACS_1_1CFaceGrid.html#n2">_ElSize</a> = 0.0f;
00125         <a class="code" href="classNLPACS_1_1CFaceGrid.html#n3">_Grid</a>.clear();
00126         <a class="code" href="classNLPACS_1_1CFaceGrid.html#n4">_GridData</a>.clear();
00127 }
00128 
<a name="l00129"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html#a2">00129</a> <font class="keyword">inline</font> <font class="keywordtype">void</font> CFaceGrid::create(<font class="keyword">const</font> CFaceGrid::CFaceGridBuild &amp;fgb)
00130 {
00131         <a class="code" href="debug_8h.html#a6">nlassert</a>(fgb.Grid.size() == fgb.Width*fgb.Width);
00132         <a class="code" href="debug_8h.html#a6">nlassert</a>(fgb.Width &lt; 32768);
00133 
00134         <font class="comment">// clear first</font>
00135         <a class="code" href="classNLPACS_1_1CFaceGrid.html#a1">clear</a>();
00136 
00137         <font class="comment">// setup grid size</font>
00138         <a class="code" href="classNLPACS_1_1CFaceGrid.html#n0">_Width</a> = (uint16)fgb.Width;
00139         <a class="code" href="classNLPACS_1_1CFaceGrid.html#n2">_ElSize</a> = fgb.Size;
00140         <a class="code" href="classNLPACS_1_1CFaceGrid.html#n1">_Log2Width</a> = <a class="code" href="namespaceNLMISC.html#a224">NLMISC::getPowerOf2</a>(<a class="code" href="classNLPACS_1_1CFaceGrid.html#n0">_Width</a>);
00141 
00142         <font class="comment">// and store in packed format the data of the face grid build</font>
00143         uint    i;
00144         <font class="keywordflow">for</font> (i=0; i&lt;fgb.Grid.size(); ++i)
00145         {
00146                 <a class="code" href="classNLPACS_1_1CFaceGrid.html#n3">_Grid</a>.push_back(<a class="code" href="classNLPACS_1_1CFaceGrid.html#n4">_GridData</a>.size());
00147                 <a class="code" href="classNLPACS_1_1CFaceGrid.html#n4">_GridData</a>.insert(<a class="code" href="classNLPACS_1_1CFaceGrid.html#n4">_GridData</a>.end(), fgb.Grid[i].begin(), fgb.Grid[i].end());
00148         }
00149 }
00150 
<a name="l00151"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html#a3">00151</a> <font class="keyword">inline</font> <font class="keywordtype">void</font>     CFaceGrid::select(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;pos, std::vector&lt;uint32&gt; &amp;selected)<font class="keyword"> const</font>
00152 <font class="keyword"></font>{
00153         selected.clear();
00154 
00155         uint    start, stop, idx;
00156         uint    <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>;
00157 
00158         <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> = ((sint)(pos.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>/<a class="code" href="classNLPACS_1_1CFaceGrid.html#n2">_ElSize</a>) &amp; (<a class="code" href="classNLPACS_1_1CFaceGrid.html#n0">_Width</a>-1));
00159         <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> = ((sint)(pos.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>/<a class="code" href="classNLPACS_1_1CFaceGrid.html#n2">_ElSize</a>) &amp; (<a class="code" href="classNLPACS_1_1CFaceGrid.html#n0">_Width</a>-1));
00160 
00161         idx = <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>&lt;&lt;<a class="code" href="classNLPACS_1_1CFaceGrid.html#n1">_Log2Width</a>);
00162 
00163         start = <a class="code" href="classNLPACS_1_1CFaceGrid.html#n3">_Grid</a>[idx++];
00164         stop = (idx == <a class="code" href="classNLPACS_1_1CFaceGrid.html#n3">_Grid</a>.size()) ? <a class="code" href="classNLPACS_1_1CFaceGrid.html#n4">_GridData</a>.size() : <a class="code" href="classNLPACS_1_1CFaceGrid.html#n3">_Grid</a>[idx];
00165 
00166         <font class="keywordflow">for</font> (; start&lt;stop; ++start)
00167                 selected.push_back(<a class="code" href="classNLPACS_1_1CFaceGrid.html#n4">_GridData</a>[start]);
00168 }
00169 
<a name="l00170"></a><a class="code" href="classNLPACS_1_1CFaceGrid.html#a4">00170</a> <font class="keyword">inline</font> <font class="keywordtype">void</font>     CFaceGrid::serial(<a class="code" href="classNLMISC_1_1IStream.html">NLMISC::IStream</a> &amp;f)
00171 {
00172         <font class="comment">/*</font>
00173 <font class="comment">        Version 0:</font>
00174 <font class="comment">                - base version</font>
00175 <font class="comment">        */</font>
00176         (void)f.<a class="code" href="classNLMISC_1_1IStream.html#a29">serialVersion</a>(0);
00177 
00178         f.<a class="code" href="classNLMISC_1_1IStream.html#a5">serial</a>(<a class="code" href="classNLPACS_1_1CFaceGrid.html#n0">_Width</a>, <a class="code" href="classNLPACS_1_1CFaceGrid.html#n1">_Log2Width</a>, <a class="code" href="classNLPACS_1_1CFaceGrid.html#n2">_ElSize</a>);
00179         f.<a class="code" href="classNLMISC_1_1IStream.html#a7">serialCont</a>(<a class="code" href="classNLPACS_1_1CFaceGrid.html#n3">_Grid</a>);
00180         f.<a class="code" href="classNLMISC_1_1IStream.html#a7">serialCont</a>(<a class="code" href="classNLPACS_1_1CFaceGrid.html#n4">_GridData</a>);
00181 }
00182 
00183 
00184 
00185 <font class="comment">// CFaceGridBuild inline</font>
00186 
<a name="l00187"></a><a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#a0">00187</a> <font class="keyword">inline</font> <font class="keywordtype">void</font>     CFaceGrid::CFaceGridBuild::init(uint <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>, <font class="keywordtype">float</font> elsize)
00188 {
00189         <a class="code" href="debug_8h.html#a6">nlassert</a>(NLMISC::isPowerOf2(<a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>));
00190         <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a389">width</a>;
00191         <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m2">Size</a> = elsize;
00192         <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m0">Grid</a>.clear();
00193         <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m0">Grid</a>.resize(<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>*<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>);
00194 }
00195 
<a name="l00196"></a><a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#a1">00196</a> <font class="keyword">inline</font> <font class="keywordtype">void</font>     CFaceGrid::CFaceGridBuild::insert(<font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bmin, 
00197                                                                                           <font class="keyword">const</font> <a class="code" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;bmax, 
00198                                                                                           uint32 <a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>)
00199 {
00200         sint    x0 = (sint)(bmin.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>/<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m2">Size</a>),
00201                         x1 = (sint)(bmax.<a class="code" href="classNLMISC_1_1CVector.html#m0">x</a>/<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m2">Size</a>),
00202                         y0 = (sint)(bmin.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>/<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m2">Size</a>),
00203                         y1 = (sint)(bmax.<a class="code" href="classNLMISC_1_1CVector.html#m1">y</a>/<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m2">Size</a>);
00204 
00205         <font class="keywordflow">if</font> (x1-x0 &gt;= (sint)<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>)
00206         {
00207                 x0 = 0;
00208                 x1 = <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>-1;
00209         }
00210         <font class="keywordflow">else</font>
00211         {
00212                 x0 &amp;= (<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>-1);
00213                 x1 &amp;= (<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>-1);
00214                 <font class="keywordflow">if</font> (x1 &lt; x0)
00215                         x1 += <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>;
00216         }
00217 
00218         <font class="keywordflow">if</font> (y1-y0 &gt;= (sint)<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>)
00219         {
00220                 y0 = 0;
00221                 y1 = <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>-1;
00222         }
00223         <font class="keywordflow">else</font>
00224         {
00225                 y0 &amp;= (<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>-1);
00226                 y1 &amp;= (<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>-1);
00227                 <font class="keywordflow">if</font> (y1 &lt; y0)
00228                         y1 += <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>;
00229         }
00230 
00231         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>;
00232 
00233         <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>)
00234                 <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>)
00235                         <a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m0">Grid</a>[(<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>&amp;(<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>-1))+(<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>&amp;(<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>-1))*<a class="code" href="classNLPACS_1_1CFaceGrid_1_1CFaceGridBuild.html#m1">Width</a>].push_back(<a class="code" href="driver__opengl__extension__def_8h.html#a415">value</a>);
00236 }
00237 
00238 
00239 }; <font class="comment">// NLPACS</font>
00240 
00241 <font class="preprocessor">#endif // NL_FACE_GRID_H</font>
00242 <font class="preprocessor"></font>
00243 <font class="comment">/* End of face_grid.h */</font>
</pre></div>

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