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+<a class="qindex" href="index.html">Main Page</a> &nbsp; <a class="qindex" href="namespaces.html">Namespace List</a> &nbsp; <a class="qindex" href="hierarchy.html">Class Hierarchy</a> &nbsp; <a class="qindex" href="classes.html">Alphabetical List</a> &nbsp; <a class="qindex" href="annotated.html">Compound List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="namespacemembers.html">Namespace Members</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; <a class="qindex" href="globals.html">File Members</a> &nbsp; <a class="qindex" href="pages.html">Related Pages</a> &nbsp; <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> &nbsp; </center>
+<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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