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<div class="title">al_Isosurface.hpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef INCLUDE_AL_ISOSURFACE_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define INCLUDE_AL_ISOSURFACE_HPP</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>  </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/* Allocore --</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Multimedia / virtual environment application class library</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"></span> </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> Copyright (C) 2009. AlloSphere Research Group, Media Arts & Technology,</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> UCSB. Copyright (C) 2012. The Regents of the University of California. All</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> rights reserved.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"></span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> modification, are permitted provided that the following conditions are</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> met:</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"></span> </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"></span> </div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> Redistributions in binary form must reproduce the above</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> copyright notice, this list of conditions and the following disclaimer in the</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> documentation and/or other materials provided with the</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> distribution.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"></span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> Neither the name of the University of California nor the names</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> of its contributors may be used to endorse or promote products derived from</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> this software without specific prior written permission.</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"></span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"></span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> File author(s):</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> Lance Putnam, 2010, [email protected]</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"></span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> This file incorporates work covered by the following copyright(s) and</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> permission notice(s):</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"></span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> Author: Raghavendra Chandrashekara</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> Email: [email protected], [email protected]</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> Last Modified: 5/8/2000</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"></span> </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> This work incorporates work covered by the following copyright</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> and permission notice:</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"></span> </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> Marching Cubes Example Program</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> by Cory Bloyd ([email protected])</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"></span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> A simple, portable and complete implementation of the</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> Marching Cubes and Marching Tetrahedrons algorithms in a single source file.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> There are many ways that this code could be made faster,</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> but the intent is for the code to be easy to understand.</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"></span> </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> For a description of the algorithm go to</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> http://astronomy.swin.edu.au/pbourke/modelling/polygonise/</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"></span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> This code is public domain.</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#include "al/graphics/al_Mesh.hpp"</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#include "al/types/al_Buffer.hpp"</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#include <map></span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#include <unordered_map></span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">namespace </span><a class="code" href="namespaceal.html">al</a> {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html"> 78</a></span> <span class="keyword">class </span><a class="code" href="classal_1_1_isosurface.html">Isosurface</a> : <span class="keyword">public</span> <a class="code" href="classal_1_1_mesh.html">Mesh</a> {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="structal_1_1_isosurface_1_1_edge_vertex.html"> 80</a></span>  <span class="keyword">struct </span><a class="code" href="structal_1_1_isosurface_1_1_edge_vertex.html">EdgeVertex</a> {</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classal_1_1_vec.html">Vec3i</a> pos; <span class="comment">// cell coordinates</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="classal_1_1_vec.html">Vec3i</a> corners[2]; <span class="comment">// edge corners as offsets from cell coordinates</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">float</span> x, y, z; <span class="comment">// vertex position</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">float</span> mu; <span class="comment">// fraction along edge of vertex</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
<div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="structal_1_1_isosurface_1_1_edge_vertex.html#abf9ddfb53897574347719f406ce0cd70"> 87</a></span>  <a class="code" href="classal_1_1_vec.html">Vec3i</a> <a class="code" href="structal_1_1_isosurface_1_1_edge_vertex.html#abf9ddfb53897574347719f406ce0cd70">edgePos</a>(<span class="keywordtype">int</span> i)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> pos + corners[i]; }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  };</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="structal_1_1_isosurface_1_1_edge_triangle.html"> 90</a></span>  <span class="keyword">struct </span><a class="code" href="structal_1_1_isosurface_1_1_edge_triangle.html">EdgeTriangle</a> {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">int</span> edgeIDs[3];</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  };</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="structal_1_1_isosurface_1_1_vertex_action.html"> 94</a></span>  <span class="keyword">struct </span><a class="code" href="structal_1_1_isosurface_1_1_vertex_action.html">VertexAction</a> {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">virtual</span> ~<a class="code" href="structal_1_1_isosurface_1_1_vertex_action.html">VertexAction</a>() {}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> <a class="code" href="structal_1_1_isosurface_1_1_edge_vertex.html">Isosurface::EdgeVertex</a> &v, <a class="code" href="classal_1_1_isosurface.html">Isosurface</a> &s) = 0;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  };</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="structal_1_1_isosurface_1_1_no_vertex_action.html"> 99</a></span>  <span class="keyword">struct </span><a class="code" href="structal_1_1_isosurface_1_1_no_vertex_action.html">NoVertexAction</a> : <span class="keyword">public</span> <a class="code" href="structal_1_1_isosurface_1_1_vertex_action.html">VertexAction</a> {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> operator()(<span class="keyword">const</span> <a class="code" href="structal_1_1_isosurface_1_1_edge_vertex.html">EdgeVertex</a> &v, <a class="code" href="classal_1_1_isosurface.html">Isosurface</a> &s) {}</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  };</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">static</span> <a class="code" href="structal_1_1_isosurface_1_1_no_vertex_action.html">NoVertexAction</a> noVertexAction;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a23ccafd62a6c1900edc435268964a448"> 108</a></span>  <a class="code" href="classal_1_1_isosurface.html#a23ccafd62a6c1900edc435268964a448">Isosurface</a>(<span class="keywordtype">float</span> <a class="code" href="classal_1_1_isosurface.html#a88861a8644d128129ee870ef3bb561b1">level</a> = 0, <a class="code" href="structal_1_1_isosurface_1_1_vertex_action.html">VertexAction</a> &action = noVertexAction);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">virtual</span> ~<a class="code" href="classal_1_1_isosurface.html">Isosurface</a>();</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a7f64816bc495eeaa53219b4bd021be48"> 113</a></span>  <span class="keywordtype">int</span> <a class="code" href="classal_1_1_isosurface.html#a7f64816bc495eeaa53219b4bd021be48">fieldDim</a>(<span class="keywordtype">int</span> i)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mNF[i]; }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
<div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a88861a8644d128129ee870ef3bb561b1"> 116</a></span>  <span class="keywordtype">float</span> <a class="code" href="classal_1_1_isosurface.html#a88861a8644d128129ee870ef3bb561b1">level</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mIsolevel; }</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
<div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#aa44be3c1e224a1375a0ff09ace0ed15c"> 119</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classal_1_1_isosurface.html#aa44be3c1e224a1375a0ff09ace0ed15c">validSurface</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mValidSurface; }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
<div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#ac43e47e5cdd019b646dc943dbc081be4"> 125</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classal_1_1_isosurface.html#ac43e47e5cdd019b646dc943dbc081be4">volumeLengths</a>(<span class="keywordtype">double</span> &volLengthX, <span class="keywordtype">double</span> &volLengthY,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">double</span> &volLengthZ) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Get unique identifier of 3d position indices</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">int</span> posID(<span class="keywordtype">int</span> ix, <span class="keywordtype">int</span> iy, <span class="keywordtype">int</span> iz)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> ix + mNF[0] * (iy + mNF[1] * iz);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">template</span> <<span class="keyword">class</span> VEC3I> <span class="keywordtype">int</span> posID(<span class="keyword">const</span> VEC3I &i3)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">return</span> posID(i3[0], i3[1], i3[2]);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// Get unique identifier of cell</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">int</span> cellID(<span class="keywordtype">int</span> ix, <span class="keywordtype">int</span> iy, <span class="keywordtype">int</span> iz)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> 3 * posID(ix, iy, iz); }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// Get unique identifier of edge</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">int</span> edgeID(<span class="keywordtype">int</span> cellID, <span class="keywordtype">int</span> edgeNo)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> cellID + mEdgeIDOffsets[edgeNo];</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
<div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a6ca132d3453e8110b32e1f70393e2a49"> 146</a></span>  <a class="code" href="classal_1_1_isosurface.html">Isosurface</a> &<a class="code" href="classal_1_1_isosurface.html#a6ca132d3453e8110b32e1f70393e2a49">fieldDims</a>(<span class="keywordtype">int</span> nx, <span class="keywordtype">int</span> ny, <span class="keywordtype">int</span> nz);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
<div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#ae7f6b33cbe8d3c059501055fe9c1faae"> 149</a></span>  <a class="code" href="classal_1_1_isosurface.html">Isosurface</a> &<a class="code" href="classal_1_1_isosurface.html#ae7f6b33cbe8d3c059501055fe9c1faae">fieldDims</a>(<span class="keywordtype">int</span> n) { <span class="keywordflow">return</span> <a class="code" href="classal_1_1_isosurface.html#ae7f6b33cbe8d3c059501055fe9c1faae">fieldDims</a>(n, n, n); }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
<div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#ad145a2ec68cccf51d05ee3fe7a835163"> 152</a></span>  <a class="code" href="classal_1_1_isosurface.html">Isosurface</a> &<a class="code" href="classal_1_1_isosurface.html#ad145a2ec68cccf51d05ee3fe7a835163">cellLengths</a>(<span class="keywordtype">double</span> dx, <span class="keywordtype">double</span> dy, <span class="keywordtype">double</span> dz);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a5f891a87c1d8b6d8393f231b35d6e6ce"> 155</a></span>  <a class="code" href="classal_1_1_isosurface.html">Isosurface</a> &<a class="code" href="classal_1_1_isosurface.html#a5f891a87c1d8b6d8393f231b35d6e6ce">cellLengths</a>(<span class="keywordtype">double</span> v) { <span class="keywordflow">return</span> <a class="code" href="classal_1_1_isosurface.html#a5f891a87c1d8b6d8393f231b35d6e6ce">cellLengths</a>(v, v, v); }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
<div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#af28714c7188ff17feeb0840d4986412a"> 158</a></span>  <a class="code" href="classal_1_1_isosurface.html">Isosurface</a> &<a class="code" href="classal_1_1_isosurface.html#af28714c7188ff17feeb0840d4986412a">level</a>(<span class="keywordtype">float</span> v) {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  mIsolevel = v;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </div>
<div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a0478ebabf61072316afcb189e0b59d0b"> 164</a></span>  <a class="code" href="classal_1_1_isosurface.html">Isosurface</a> &<a class="code" href="classal_1_1_isosurface.html#a0478ebabf61072316afcb189e0b59d0b">normals</a>(<span class="keywordtype">bool</span> v) {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  mComputeNormals = v;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  </div>
<div class="line"><a name="l00170"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a33efd0ca0d085e7e759374a4f67dd5cd"> 170</a></span>  <a class="code" href="classal_1_1_isosurface.html">Isosurface</a> &<a class="code" href="classal_1_1_isosurface.html#a33efd0ca0d085e7e759374a4f67dd5cd">normalize</a>(<span class="keywordtype">bool</span> v) {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  mNormalize = v;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#adf7c436a5764840cc9f517ab71c3a971"> 176</a></span>  <span class="keywordtype">void</span> <a class="code" href="classal_1_1_isosurface.html#adf7c436a5764840cc9f517ab71c3a971">begin</a>();</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
<div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a22ffc5ca934f8739e94fcae7f27f3715"> 179</a></span>  <span class="keywordtype">void</span> <a class="code" href="classal_1_1_isosurface.html#a22ffc5ca934f8739e94fcae7f27f3715">end</a>();</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a4e2f599072bb76fb8cf99413fb41c0de"> 186</a></span>  <span class="keywordtype">void</span> <a class="code" href="classal_1_1_isosurface.html#a4e2f599072bb76fb8cf99413fb41c0de">addCell</a>(<span class="keywordtype">int</span> ix, <span class="keywordtype">int</span> iy, <span class="keywordtype">int</span> iz, <span class="keyword">const</span> T &xyz, <span class="keyword">const</span> T &Xyz, <span class="keyword">const</span> T &xYz,</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">const</span> T &XYz, <span class="keyword">const</span> T &xyZ, <span class="keyword">const</span> T &XyZ, <span class="keyword">const</span> T &xYZ,</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">const</span> T &XYZ) {</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">int</span> inds[3] = {ix, iy, iz};</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> vals[8] = {xyz, Xyz, xYz, XYz, xyZ, XyZ, xYZ, XYZ};</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="classal_1_1_isosurface.html#a4e2f599072bb76fb8cf99413fb41c0de">addCell</a>(inds, vals);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  </div>
<div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a076a821de78709565cb4141d7df53be1"> 195</a></span>  <span class="keywordtype">void</span> <a class="code" href="classal_1_1_isosurface.html#a076a821de78709565cb4141d7df53be1">addCell</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> *indices3, <span class="keyword">const</span> <span class="keywordtype">float</span> *values8);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">template</span> <<span class="keyword">class</span> T> <span class="keywordtype">void</span> <a class="code" href="classal_1_1_isosurface.html#aa936a69396c9baae685e10c4841c818c">generate</a>(<span class="keyword">const</span> T *scalarField);</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
<div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#a940ae07667e214ba5db0f5d3f875c4c3"> 207</a></span>  <span class="keywordtype">void</span> <a class="code" href="classal_1_1_isosurface.html#a940ae07667e214ba5db0f5d3f875c4c3">generate</a>(<span class="keyword">const</span> T *scalarField, <span class="keywordtype">int</span> nX, <span class="keywordtype">int</span> nY, <span class="keywordtype">int</span> nZ, <span class="keywordtype">float</span> cellLengthX,</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">float</span> cellLengthY, <span class="keywordtype">float</span> cellLengthZ) {</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="classal_1_1_isosurface.html#a6ca132d3453e8110b32e1f70393e2a49">fieldDims</a>(nX, nY, nZ);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="classal_1_1_isosurface.html#ad145a2ec68cccf51d05ee3fe7a835163">cellLengths</a>(cellLengthX, cellLengthY, cellLengthZ);</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <a class="code" href="classal_1_1_isosurface.html#aa936a69396c9baae685e10c4841c818c">generate</a>(scalarField);</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keyword">template</span> <<span class="keyword">class</span> T></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">void</span> <a class="code" href="classal_1_1_isosurface.html#aa936a69396c9baae685e10c4841c818c">generate</a>(<span class="keyword">const</span> T *scalarField, <span class="keywordtype">int</span> n, <span class="keywordtype">float</span> cellLength) {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <a class="code" href="classal_1_1_isosurface.html#aa936a69396c9baae685e10c4841c818c">generate</a>(scalarField, n, n, n, cellLength, cellLength, cellLength);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"> // support for building isosurface from al::Voxels class</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"> void generate(const MRC& mrc, float glUnitLength) {</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"> generate((float*)mrc.dataPtr(), mrc.array().dim(0),</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"> mrc.array().dim(1), mrc.array().dim(2), mrc.header().cella[0]/glUnitLength,</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment"> mrc.header().cella[1]/glUnitLength, mrc.header().cella[2]/glUnitLength);</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment"> }*/</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordtype">void</span> vertexAction(VertexAction &a) { mVertexAction = &a; }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  </div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">const</span> <span class="keywordtype">bool</span> inBox()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mInBox; }</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  </div>
<div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#abb31037c57fee1c0b0415b3ace39d45b"> 237</a></span>  <a class="code" href="classal_1_1_isosurface.html">Isosurface</a> &<a class="code" href="classal_1_1_isosurface.html#abb31037c57fee1c0b0415b3ace39d45b">inBox</a>(<span class="keywordtype">bool</span> v);</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  </div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="structal_1_1_isosurface_1_1_isosurface_hash_int.html"> 240</a></span>  <span class="keyword">struct </span><a class="code" href="structal_1_1_isosurface_1_1_isosurface_hash_int.html">IsosurfaceHashInt</a> {</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">size_t</span> operator()(<span class="keywordtype">int</span> v)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> v; }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// size_t operator()(int v) const { return v*2654435761UL; }</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  };</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">typedef</span> std::unordered_map<int, int, IsosurfaceHashInt> EdgeToVertex;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  EdgeToVertex mEdgeToVertex; <span class="comment">// map from edge ID to vertex</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  </div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">// TODO - This never gets used???</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  std::vector<EdgeTriangle></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  mEdgeTriangles; <span class="comment">// surface triangles in terms of edge IDs</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  </div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  std::vector<int> mEdgeToVertexArray;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// al::Buffer<int> mTempEdges;</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordtype">double</span> mL[3]; <span class="comment">// cell length in x, y, and z directions</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordtype">int</span> mNF[3]; <span class="comment">// number of field points in x, y, and z directions</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordtype">int</span> mEdgeIDOffsets[12]; <span class="comment">// used to obtain edge ID from vertex ID and edge</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="comment">// number</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordtype">float</span> mIsolevel; <span class="comment">// isosurface level</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="structal_1_1_isosurface_1_1_vertex_action.html">VertexAction</a> *mVertexAction;</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">bool</span> mValidSurface; <span class="comment">// indicates whether a valid surface is present</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">bool</span> mComputeNormals; <span class="comment">// whether to compute normals</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">bool</span> mNormalize; <span class="comment">// whether to normalize normals</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keywordtype">bool</span> mInBox;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="structal_1_1_isosurface_1_1_edge_vertex.html">EdgeVertex</a> calcIntersection(<span class="keywordtype">int</span> nX, <span class="keywordtype">int</span> nY, <span class="keywordtype">int</span> nZ, <span class="keywordtype">int</span> nEdgeNo,</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> *vals) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordtype">void</span> addEdgeVertex(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> z, <span class="keywordtype">int</span> cellID, <span class="keywordtype">int</span> edge,</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> *vals);</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordtype">void</span> compressTriangles();</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> };</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment">// Implementation ______________________________________________________________</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
<div class="line"><a name="l00277"></a><span class="lineno"><a class="line" href="classal_1_1_isosurface.html#aa936a69396c9baae685e10c4841c818c"> 277</a></span> <span class="keyword">template</span> <<span class="keyword">class</span> T> <span class="keywordtype">void</span> <a class="code" href="classal_1_1_isosurface.html#aa936a69396c9baae685e10c4841c818c">Isosurface::generate</a>(<span class="keyword">const</span> T *vals) {</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  inBox(<span class="keyword">true</span>);</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <a class="code" href="classal_1_1_isosurface.html#adf7c436a5764840cc9f517ab71c3a971">begin</a>();</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordtype">int</span> Nx = mNF[0];</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordtype">int</span> Nxy = Nx * mNF[1];</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  </div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// iterate through cubes (not field points)</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="comment">// for(int z=0; z < mNF[2]-1; ++z){</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="comment">// support transparency (assumes higher indices are farther away)</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> z = mNF[2] - 2; z >= 0; --z) {</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordtype">int</span> z0 = z * Nxy;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordtype">int</span> z1 = (z + 1) * Nxy;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y = 0; y < mNF[1] - 1; ++y) {</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordtype">int</span> y0 = y * Nx;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordtype">int</span> y1 = (y + 1) * Nx;</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  </div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordtype">int</span> z0y0 = z0 + y0;</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordtype">int</span> z0y1 = z0 + y1;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordtype">int</span> z1y0 = z1 + y0;</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">int</span> z1y1 = z1 + y1;</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordtype">int</span> z0y0_1 = z0y0 + 1;</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordtype">int</span> z0y1_1 = z0y1 + 1;</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordtype">int</span> z1y0_1 = z1y0 + 1;</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordtype">int</span> z1y1_1 = z1y1 + 1;</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  </div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x < mNF[0] - 1; ++x) {</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordtype">float</span> v8[] = {float(vals[z0y0 + x]), float(vals[z0y0_1 + x]),</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  float(vals[z0y1 + x]), float(vals[z0y1_1 + x]),</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  float(vals[z1y0 + x]), float(vals[z1y0_1 + x]),</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  float(vals[z1y1 + x]), float(vals[z1y1_1 + x])};</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordtype">int</span> i3[] = {x, y, z};</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="classal_1_1_isosurface.html#a4e2f599072bb76fb8cf99413fb41c0de">addCell</a>(i3, v8);</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  }</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  }</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  </div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <a class="code" href="classal_1_1_isosurface.html#a22ffc5ca934f8739e94fcae7f27f3715">end</a>();</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> }</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  </div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span> } <span class="comment">// namespace al</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  </div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassal_1_1_isosurface_html"><div class="ttname"><a href="classal_1_1_isosurface.html">al::Isosurface</a></div><div class="ttdoc">Isosurface generated using marching cubes.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00078">al_Isosurface.hpp:78</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a0478ebabf61072316afcb189e0b59d0b"><div class="ttname"><a href="classal_1_1_isosurface.html#a0478ebabf61072316afcb189e0b59d0b">al::Isosurface::normals</a></div><div class="ttdeci">Isosurface & normals(bool v)</div><div class="ttdoc">Set whether to compute normals.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00164">al_Isosurface.hpp:164</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a076a821de78709565cb4141d7df53be1"><div class="ttname"><a href="classal_1_1_isosurface.html#a076a821de78709565cb4141d7df53be1">al::Isosurface::addCell</a></div><div class="ttdeci">void addCell(const int *indices3, const float *values8)</div><div class="ttdoc">Add a cell from a scalar field.</div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a22ffc5ca934f8739e94fcae7f27f3715"><div class="ttname"><a href="classal_1_1_isosurface.html#a22ffc5ca934f8739e94fcae7f27f3715">al::Isosurface::end</a></div><div class="ttdeci">void end()</div><div class="ttdoc">End cell-at-a-time mode.</div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a23ccafd62a6c1900edc435268964a448"><div class="ttname"><a href="classal_1_1_isosurface.html#a23ccafd62a6c1900edc435268964a448">al::Isosurface::Isosurface</a></div><div class="ttdeci">Isosurface(float level=0, VertexAction &action=noVertexAction)</div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a33efd0ca0d085e7e759374a4f67dd5cd"><div class="ttname"><a href="classal_1_1_isosurface.html#a33efd0ca0d085e7e759374a4f67dd5cd">al::Isosurface::normalize</a></div><div class="ttdeci">Isosurface & normalize(bool v)</div><div class="ttdoc">Set whether to normalize normals (if being computed)</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00170">al_Isosurface.hpp:170</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a4e2f599072bb76fb8cf99413fb41c0de"><div class="ttname"><a href="classal_1_1_isosurface.html#a4e2f599072bb76fb8cf99413fb41c0de">al::Isosurface::addCell</a></div><div class="ttdeci">void addCell(int ix, int iy, int iz, const T &xyz, const T &Xyz, const T &xYz, const T &XYz, const T &xyZ, const T &XyZ, const T &xYZ, const T &XYZ)</div><div class="ttdoc">Add a cell from a scalar field.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00186">al_Isosurface.hpp:186</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a5f891a87c1d8b6d8393f231b35d6e6ce"><div class="ttname"><a href="classal_1_1_isosurface.html#a5f891a87c1d8b6d8393f231b35d6e6ce">al::Isosurface::cellLengths</a></div><div class="ttdeci">Isosurface & cellLengths(double v)</div><div class="ttdoc">Set all lengths of cell.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00155">al_Isosurface.hpp:155</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a6ca132d3453e8110b32e1f70393e2a49"><div class="ttname"><a href="classal_1_1_isosurface.html#a6ca132d3453e8110b32e1f70393e2a49">al::Isosurface::fieldDims</a></div><div class="ttdeci">Isosurface & fieldDims(int nx, int ny, int nz)</div><div class="ttdoc">Set individual dimensions of the scalar field.</div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a7f64816bc495eeaa53219b4bd021be48"><div class="ttname"><a href="classal_1_1_isosurface.html#a7f64816bc495eeaa53219b4bd021be48">al::Isosurface::fieldDim</a></div><div class="ttdeci">int fieldDim(int i) const</div><div class="ttdoc">Get a field dimension.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00113">al_Isosurface.hpp:113</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a88861a8644d128129ee870ef3bb561b1"><div class="ttname"><a href="classal_1_1_isosurface.html#a88861a8644d128129ee870ef3bb561b1">al::Isosurface::level</a></div><div class="ttdeci">float level() const</div><div class="ttdoc">Get isolevel.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00116">al_Isosurface.hpp:116</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_a940ae07667e214ba5db0f5d3f875c4c3"><div class="ttname"><a href="classal_1_1_isosurface.html#a940ae07667e214ba5db0f5d3f875c4c3">al::Isosurface::generate</a></div><div class="ttdeci">void generate(const T *scalarField, int nX, int nY, int nZ, float cellLengthX, float cellLengthY, float cellLengthZ)</div><div class="ttdoc">Generate isosurface from scalar field.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00207">al_Isosurface.hpp:207</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_aa44be3c1e224a1375a0ff09ace0ed15c"><div class="ttname"><a href="classal_1_1_isosurface.html#aa44be3c1e224a1375a0ff09ace0ed15c">al::Isosurface::validSurface</a></div><div class="ttdeci">bool validSurface() const</div><div class="ttdoc">Returns true if a valid surface has been generated.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00119">al_Isosurface.hpp:119</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_aa936a69396c9baae685e10c4841c818c"><div class="ttname"><a href="classal_1_1_isosurface.html#aa936a69396c9baae685e10c4841c818c">al::Isosurface::generate</a></div><div class="ttdeci">void generate(const T *scalarField)</div><div class="ttdoc">Generate isosurface from scalar field.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00277">al_Isosurface.hpp:277</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_abb31037c57fee1c0b0415b3ace39d45b"><div class="ttname"><a href="classal_1_1_isosurface.html#abb31037c57fee1c0b0415b3ace39d45b">al::Isosurface::inBox</a></div><div class="ttdeci">Isosurface & inBox(bool v)</div><div class="ttdoc">Set whether isosurface is assumed to fit snugly within a box.</div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_ac43e47e5cdd019b646dc943dbc081be4"><div class="ttname"><a href="classal_1_1_isosurface.html#ac43e47e5cdd019b646dc943dbc081be4">al::Isosurface::volumeLengths</a></div><div class="ttdeci">bool volumeLengths(double &volLengthX, double &volLengthY, double &volLengthZ) const</div><div class="ttdoc">Gets the length, width, and height of the isosurface volume.</div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_ad145a2ec68cccf51d05ee3fe7a835163"><div class="ttname"><a href="classal_1_1_isosurface.html#ad145a2ec68cccf51d05ee3fe7a835163">al::Isosurface::cellLengths</a></div><div class="ttdeci">Isosurface & cellLengths(double dx, double dy, double dz)</div><div class="ttdoc">Set individual lengths of cell.</div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_adf7c436a5764840cc9f517ab71c3a971"><div class="ttname"><a href="classal_1_1_isosurface.html#adf7c436a5764840cc9f517ab71c3a971">al::Isosurface::begin</a></div><div class="ttdeci">void begin()</div><div class="ttdoc">Begin cell-at-a-time mode.</div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_ae7f6b33cbe8d3c059501055fe9c1faae"><div class="ttname"><a href="classal_1_1_isosurface.html#ae7f6b33cbe8d3c059501055fe9c1faae">al::Isosurface::fieldDims</a></div><div class="ttdeci">Isosurface & fieldDims(int n)</div><div class="ttdoc">Set all dimensions of the scalar field.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00149">al_Isosurface.hpp:149</a></div></div>
<div class="ttc" id="aclassal_1_1_isosurface_html_af28714c7188ff17feeb0840d4986412a"><div class="ttname"><a href="classal_1_1_isosurface.html#af28714c7188ff17feeb0840d4986412a">al::Isosurface::level</a></div><div class="ttdeci">Isosurface & level(float v)</div><div class="ttdoc">Set isolevel.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00158">al_Isosurface.hpp:158</a></div></div>
<div class="ttc" id="aclassal_1_1_mesh_html"><div class="ttname"><a href="classal_1_1_mesh.html">al::Mesh</a></div><div class="ttdoc">Stores buffers related to rendering graphical objects.</div><div class="ttdef"><b>Definition:</b> <a href="al___mesh_8hpp_source.html#l00062">al_Mesh.hpp:62</a></div></div>
<div class="ttc" id="aclassal_1_1_vec_html"><div class="ttname"><a href="classal_1_1_vec.html">al::Vec< 3, int ></a></div></div>
<div class="ttc" id="anamespaceal_html"><div class="ttname"><a href="namespaceal.html">al</a></div><div class="ttdef"><b>Definition:</b> <a href="al___app_8hpp_source.html#l00023">al_App.hpp:23</a></div></div>
<div class="ttc" id="astructal_1_1_isosurface_1_1_edge_triangle_html"><div class="ttname"><a href="structal_1_1_isosurface_1_1_edge_triangle.html">al::Isosurface::EdgeTriangle</a></div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00090">al_Isosurface.hpp:90</a></div></div>
<div class="ttc" id="astructal_1_1_isosurface_1_1_edge_vertex_html"><div class="ttname"><a href="structal_1_1_isosurface_1_1_edge_vertex.html">al::Isosurface::EdgeVertex</a></div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00080">al_Isosurface.hpp:80</a></div></div>
<div class="ttc" id="astructal_1_1_isosurface_1_1_edge_vertex_html_abf9ddfb53897574347719f406ce0cd70"><div class="ttname"><a href="structal_1_1_isosurface_1_1_edge_vertex.html#abf9ddfb53897574347719f406ce0cd70">al::Isosurface::EdgeVertex::edgePos</a></div><div class="ttdeci">Vec3i edgePos(int i) const</div><div class="ttdoc">Returns position of edge vertices.</div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00087">al_Isosurface.hpp:87</a></div></div>
<div class="ttc" id="astructal_1_1_isosurface_1_1_isosurface_hash_int_html"><div class="ttname"><a href="structal_1_1_isosurface_1_1_isosurface_hash_int.html">al::Isosurface::IsosurfaceHashInt</a></div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00240">al_Isosurface.hpp:240</a></div></div>
<div class="ttc" id="astructal_1_1_isosurface_1_1_no_vertex_action_html"><div class="ttname"><a href="structal_1_1_isosurface_1_1_no_vertex_action.html">al::Isosurface::NoVertexAction</a></div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00099">al_Isosurface.hpp:99</a></div></div>
<div class="ttc" id="astructal_1_1_isosurface_1_1_vertex_action_html"><div class="ttname"><a href="structal_1_1_isosurface_1_1_vertex_action.html">al::Isosurface::VertexAction</a></div><div class="ttdef"><b>Definition:</b> <a href="al___isosurface_8hpp_source.html#l00094">al_Isosurface.hpp:94</a></div></div>
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