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<div class="headertitle"><div class="title">method.h</div></div>
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<a href="_a_c_t_2method_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/* Copyright (c) 2008-2022 the MRtrix3 contributors.</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> *</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * This Source Code Form is subject to the terms of the Mozilla Public</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * License, v. 2.0. If a copy of the MPL was not distributed with this</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * Covered Software is provided under this License on an "as is"</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * basis, without warranty of any kind, either expressed, implied, or</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * statutory, including, without limitation, warranties that the</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * Covered Software is free of defects, merchantable, fit for a</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * particular purpose or non-infringing.</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * See the Mozilla Public License v. 2.0 for more details.</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> *</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> */</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#ifndef __dwi_tractography_act_method_h__</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#define __dwi_tractography_act_method_h__</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include "<a class="code" href="act_8h.html">dwi/tractography/ACT/act.h</a>"</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include "<a class="code" href="tissues_8h.html">dwi/tractography/ACT/tissues.h</a>"</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "<a class="code" href="dwi_2tractography_2tracking_2shared_8h.html">dwi/tractography/tracking/shared.h</a>"</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include "<a class="code" href="src_2dwi_2tractography_2tracking_2types_8h.html">dwi/tractography/tracking/types.h</a>"</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "<a class="code" href="core_2interp_2linear_8h.html">interp/linear.h</a>"</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "<a class="code" href="masked_8h.html">interp/masked.h</a>"</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="_a_c_t_2method_8h.html#a39f2ea792b15ce60598792f8bb2ecf4e"> 30</a></span><span class="preprocessor">#define GMWMI_NORMAL_PERTURBATION 0.001</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespace_m_r.html">MR</a></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span>{</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>DWI</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> {</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>Tractography</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> {</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>ACT</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> {</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">using namespace </span><a class="code hl_namespace" href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html">MR::DWI::Tractography::Tracking</a>;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"><a class="line" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_a_c_t___method__additions.html"> 45</a></span> <span class="keyword">class </span><a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_a_c_t___method__additions.html">ACT_Method_additions</a> { MEMALIGN(<a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_a_c_t___method__additions.html">ACT_Method_additions</a>)</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_a_c_t___method__additions.html">ACT_Method_additions</a> (<span class="keyword">const</span> <a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking_1_1_shared_base.html">SharedBase</a>& shared) :</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> sgm_depth (0),</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> seed_in_sgm (<span class="keyword">false</span>),</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> sgm_seed_to_wm (<span class="keyword">false</span>),</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> act_image (shared.act().voxel) { }</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_a_c_t___method__additions.html">ACT_Method_additions</a> (<span class="keyword">const</span> <a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_a_c_t___method__additions.html">ACT_Method_additions</a>& that) :</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> sgm_depth (0),</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> seed_in_sgm (<span class="keyword">false</span>),</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> sgm_seed_to_wm (<span class="keyword">false</span>),</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> act_image (that.act_image) { }</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_a_c_t___method__additions.html">ACT_Method_additions</a>() = <span class="keyword">delete</span>;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">const</span> <a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_tissues.html">Tissues</a>& tissues()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> tissue_values; }</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <a class="code hl_enumeration" href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5">term_t</a> check_structural (<span class="keyword">const</span> Eigen::Vector3f& pos)</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">if</span> (!fetch_tissue_data (pos))</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5aabadd272a0347e83a65f6125b9d403ac">EXIT_IMAGE</a>;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">if</span> (tissues().is_csf())</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">return</span> (sgm_depth ? <a class="code hl_enumvalue" href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5aa848b265aba6446e2454c8262740ac47">EXIT_SGM</a> : <a class="code hl_enumvalue" href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5ad9b7b45b949c70e2c1627c69f1cd4612">ENTER_CSF</a>);</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">if</span> (tissues().is_gm()) {</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">if</span> (tissues().get_cgm() >= tissues().get_sgm())</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5a41476e5cbd2fd9b07edb6a532b273ceb">ENTER_CGM</a>;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> ++sgm_depth;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (sgm_depth) {</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">if</span> (seed_in_sgm && !sgm_seed_to_wm) {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> sgm_seed_to_wm = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> sgm_depth = 0;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5ac24cc98373fa725c1bbbffc65732692c">CONTINUE</a>;</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> }</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5aa848b265aba6446e2454c8262740ac47">EXIT_SGM</a>;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> }</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5ac24cc98373fa725c1bbbffc65732692c">CONTINUE</a>;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> }</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordtype">bool</span> check_seed (<span class="keyword">const</span> Eigen::Vector3f& pos)</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> sgm_depth = 0;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">if</span> (!fetch_tissue_data (pos))</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">if</span> (tissues().is_sgm()) {</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> seed_in_sgm = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> sgm_seed_to_wm = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> seed_in_sgm = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">if</span> ((tissues().is_csf()) || !tissues().get_wm() || ((tissues().get_gm() - tissues().get_wm()) >= <a class="code hl_define" href="act_8h.html#af67b0ac2d9093b126e76386caeb2be7f">GMWMI_ACCURACY</a>))</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> }</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordtype">bool</span> seed_is_unidirectional (<span class="keyword">const</span> Eigen::Vector3f& pos, Eigen::Vector3f& dir)</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> {</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="comment">// Tissue values should have already been acquired for the seed point when this function is run</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">if</span> (tissues().is_sgm()) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">if</span> ((tissues().get_wm() >= tissues().get_gm()) || (tissues().get_sgm() >= tissues().get_cgm()))</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">const</span> <a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_tissues.html">Tissues</a> tissues_at_pos (tissues());</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">const</span> Eigen::Vector3f pos_plus (pos + (dir * <a class="code hl_define" href="_a_c_t_2method_8h.html#a39f2ea792b15ce60598792f8bb2ecf4e">GMWMI_NORMAL_PERTURBATION</a>));</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> fetch_tissue_data (pos_plus);</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keyword">const</span> <a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_tissues.html">Tissues</a> tissues_plus (tissues());</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">const</span> Eigen::Vector3f pos_minus (pos - (dir * <a class="code hl_define" href="_a_c_t_2method_8h.html#a39f2ea792b15ce60598792f8bb2ecf4e">GMWMI_NORMAL_PERTURBATION</a>));</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> fetch_tissue_data (pos_minus);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">const</span> <a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_tissues.html">Tissues</a>& tissues_minus (tissues());</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">const</span> <span class="keywordtype">float</span> gradient = (tissues_plus.get_gm() - tissues_plus.get_wm()) - (tissues_minus.get_gm() - tissues_minus.get_wm());</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">if</span> (gradient > 0.0)</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> dir = -dir;</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="comment">// Restore the tissue values to those at the seed point</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> tissue_values = tissues_at_pos;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordtype">bool</span> fetch_tissue_data (<span class="keyword">const</span> Eigen::Vector3f& pos)</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> {</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">if</span> (!act_image.scanner (pos)) {</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> tissue_values.reset();</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> }</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">return</span> tissue_values.set (act_image);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> }</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordtype">bool</span> in_pathology()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> (tissue_values.valid() && tissue_values.is_path()); }</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordtype">void</span> reverse_track() { sgm_depth = 0; }</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keywordtype">size_t</span> sgm_depth;</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordtype">bool</span> seed_in_sgm;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">bool</span> sgm_seed_to_wm;</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <a class="code hl_class" href="class_m_r_1_1_interp_1_1_masked.html">Interp::Masked<Interp::Linear<Image<float></a>>> act_image;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <a class="code hl_class" href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_tissues.html">Tissues</a> tissue_values;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> };</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> }</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> }</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> }</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span>}</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="ttc" id="a_a_c_t_2method_8h_html_a39f2ea792b15ce60598792f8bb2ecf4e"><div class="ttname"><a href="_a_c_t_2method_8h.html#a39f2ea792b15ce60598792f8bb2ecf4e">GMWMI_NORMAL_PERTURBATION</a></div><div class="ttdeci">#define GMWMI_NORMAL_PERTURBATION</div><div class="ttdef"><b>Definition:</b> <a href="_a_c_t_2method_8h_source.html#l00030">method.h:30</a></div></div>
<div class="ttc" id="aact_8h_html"><div class="ttname"><a href="act_8h.html">act.h</a></div></div>
<div class="ttc" id="aact_8h_html_af67b0ac2d9093b126e76386caeb2be7f"><div class="ttname"><a href="act_8h.html#af67b0ac2d9093b126e76386caeb2be7f">GMWMI_ACCURACY</a></div><div class="ttdeci">#define GMWMI_ACCURACY</div><div class="ttdef"><b>Definition:</b> <a href="act_8h_source.html#l00028">act.h:28</a></div></div>
<div class="ttc" id="aclass_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_a_c_t___method__additions_html"><div class="ttname"><a href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_a_c_t___method__additions.html">MR::DWI::Tractography::ACT::ACT_Method_additions</a></div><div class="ttdef"><b>Definition:</b> <a href="_a_c_t_2method_8h_source.html#l00045">method.h:45</a></div></div>
<div class="ttc" id="aclass_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_tissues_html"><div class="ttname"><a href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_a_c_t_1_1_tissues.html">MR::DWI::Tractography::ACT::Tissues</a></div><div class="ttdef"><b>Definition:</b> <a href="tissues_8h_source.html#l00037">tissues.h:37</a></div></div>
<div class="ttc" id="aclass_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking_1_1_shared_base_html"><div class="ttname"><a href="class_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking_1_1_shared_base.html">MR::DWI::Tractography::Tracking::SharedBase</a></div><div class="ttdef"><b>Definition:</b> <a href="dwi_2tractography_2tracking_2shared_8h_source.html#l00050">shared.h:50</a></div></div>
<div class="ttc" id="aclass_m_r_1_1_interp_1_1_masked_html"><div class="ttname"><a href="class_m_r_1_1_interp_1_1_masked.html">MR::Interp::Masked</a></div><div class="ttdoc">Implicit masking for interpolator class.</div><div class="ttdef"><b>Definition:</b> <a href="masked_8h_source.html#l00043">masked.h:43</a></div></div>
<div class="ttc" id="acore_2interp_2linear_8h_html"><div class="ttname"><a href="core_2interp_2linear_8h.html">linear.h</a></div></div>
<div class="ttc" id="adwi_2tractography_2tracking_2shared_8h_html"><div class="ttname"><a href="dwi_2tractography_2tracking_2shared_8h.html">shared.h</a></div></div>
<div class="ttc" id="amasked_8h_html"><div class="ttname"><a href="masked_8h.html">masked.h</a></div></div>
<div class="ttc" id="anamespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking_html"><div class="ttname"><a href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html">MR::DWI::Tractography::Tracking</a></div><div class="ttdef"><b>Definition:</b> <a href="early__exit_8h_source.html#l00043">early_exit.h:44</a></div></div>
<div class="ttc" id="anamespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking_html_a1c30c67185585a9f27b5a581050292f5"><div class="ttname"><a href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5">MR::DWI::Tractography::Tracking::term_t</a></div><div class="ttdeci">term_t</div><div class="ttdef"><b>Definition:</b> <a href="src_2dwi_2tractography_2tracking_2types_8h_source.html#l00038">types.h:38</a></div></div>
<div class="ttc" id="anamespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking_html_a1c30c67185585a9f27b5a581050292f5a41476e5cbd2fd9b07edb6a532b273ceb"><div class="ttname"><a href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5a41476e5cbd2fd9b07edb6a532b273ceb">MR::DWI::Tractography::Tracking::ENTER_CGM</a></div><div class="ttdeci">@ ENTER_CGM</div><div class="ttdef"><b>Definition:</b> <a href="src_2dwi_2tractography_2tracking_2types_8h_source.html#l00038">types.h:38</a></div></div>
<div class="ttc" id="anamespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking_html_a1c30c67185585a9f27b5a581050292f5aa848b265aba6446e2454c8262740ac47"><div class="ttname"><a href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5aa848b265aba6446e2454c8262740ac47">MR::DWI::Tractography::Tracking::EXIT_SGM</a></div><div class="ttdeci">@ EXIT_SGM</div><div class="ttdef"><b>Definition:</b> <a href="src_2dwi_2tractography_2tracking_2types_8h_source.html#l00038">types.h:38</a></div></div>
<div class="ttc" id="anamespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking_html_a1c30c67185585a9f27b5a581050292f5aabadd272a0347e83a65f6125b9d403ac"><div class="ttname"><a href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5aabadd272a0347e83a65f6125b9d403ac">MR::DWI::Tractography::Tracking::EXIT_IMAGE</a></div><div class="ttdeci">@ EXIT_IMAGE</div><div class="ttdef"><b>Definition:</b> <a href="src_2dwi_2tractography_2tracking_2types_8h_source.html#l00038">types.h:38</a></div></div>
<div class="ttc" id="anamespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking_html_a1c30c67185585a9f27b5a581050292f5ac24cc98373fa725c1bbbffc65732692c"><div class="ttname"><a href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5ac24cc98373fa725c1bbbffc65732692c">MR::DWI::Tractography::Tracking::CONTINUE</a></div><div class="ttdeci">@ CONTINUE</div><div class="ttdef"><b>Definition:</b> <a href="src_2dwi_2tractography_2tracking_2types_8h_source.html#l00038">types.h:38</a></div></div>
<div class="ttc" id="anamespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking_html_a1c30c67185585a9f27b5a581050292f5ad9b7b45b949c70e2c1627c69f1cd4612"><div class="ttname"><a href="namespace_m_r_1_1_d_w_i_1_1_tractography_1_1_tracking.html#a1c30c67185585a9f27b5a581050292f5ad9b7b45b949c70e2c1627c69f1cd4612">MR::DWI::Tractography::Tracking::ENTER_CSF</a></div><div class="ttdeci">@ ENTER_CSF</div><div class="ttdef"><b>Definition:</b> <a href="src_2dwi_2tractography_2tracking_2types_8h_source.html#l00038">types.h:38</a></div></div>
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<div class="ttc" id="asrc_2dwi_2tractography_2tracking_2types_8h_html"><div class="ttname"><a href="src_2dwi_2tractography_2tracking_2types_8h.html">types.h</a></div></div>
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