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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* $NoKeywords: $ */</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (c) 1993-2012 Robert McNeel & Associates. All rights reserved.</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// OpenNURBS, Rhinoceros, and Rhino3D are registered trademarks of Robert</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// McNeel & Associates.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">//</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR PURPOSE AND OF</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// MERCHANTABILITY ARE HEREBY DISCLAIMED.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// </span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// For complete openNURBS copyright information see <http://www.opennurbs.org>.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">//</span><span class="comment"></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"></span>*/</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#if !defined(ON_OBJREF_INC_)</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define ON_OBJREF_INC_</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html"> 20</a></span> <span class="keyword">class </span>ON_CLASS <a class="code" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html">ON_ObjRefEvaluationParameter</a></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <a class="code" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html">ON_ObjRefEvaluationParameter</a>();</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  ~<a class="code" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html">ON_ObjRefEvaluationParameter</a>();</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordtype">void</span> Default();</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordtype">bool</span> Write( <a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>& ) <span class="keyword">const</span>;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordtype">bool</span> Read( <a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>& );</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">// If m_point != ON_3dPoint::UnsetPoint and m_t_type != 0, then</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="comment">// m_t_type, m_t, and m_t_ci record the m_geometry evaluation</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// parameters of the m_point.</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">//</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="comment">// m_t_type values</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">//</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// 0: no parameter values; m_t_ci and m_t[] have no meaning.</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">//</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="comment">// 1: m_geometry points to a curve, m_t[0] is a curve</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// parameter for m_point, and m_t_ci has no meaning.</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">//</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// 2: m_geometry points to surface or single faced brep,</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// (m_t[0],m_t[1]) is a surface parameter for m_point,</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">// and m_t_ci has no meaning.</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// In this case, m_component_index may not be set or,</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// if m_geometry points to a brep face, m_component_index</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// may identify the face in the parent brep.</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">//</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="comment">// 3: m_geometry points to a brep edge with an associated</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// trim and m_t[0] is the edge parameter for m_point.</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// m_t_ci is the ON_BrepTrim component index and m_t[1]</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">// is the ON_BrepTrim parameter that corresponds to the</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// edge point. m_s[0] and m_s[1] are normalized parameters.</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="comment">// In this case m_component_index identifies the</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// the edge in the brep and m_t_ci identifies a trim.</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">//</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// 4: m_geometry points to a mesh or mesh face and </span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// m_t_ci identifies the mesh face.</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// If the face is a triangle, the barycentric coordinates</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// of m_point are(m_t[0], m_t[1], m_t[2]) and m_t[3] is zero. </span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// If the mesh face is a quadrangle, the barycentric coordinates</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// of m_point are (m_t[0], m_t[1], m_t[2], m_t[3]) and at least </span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// one of the coordinates is zero. In both cases, the point</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">// can be evaluated using the formula</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// m_t[0]*mesh.m_V[f.vi[0]] + ... + m_t[3]*mesh.m_V[f.vi[3]],</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// where f = mesh.m_F[m_component_index.m_index].</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// In this case, if m_geometry points to a mesh, then</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// m_component_index != m_t_ci.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">//</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// 5: m_geometry points to a mesh or mesh edge and m_t_ci</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// identifies the mesh edge. The normalized coordinate of</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// the point on the mesh edge is m_t[0]. The point can be evaluated</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// using the formula</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// m_t[0]*mesh.m_V[v0] + (1.0-m_t[0])*mesh.m_V[v1],</span></div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// where v0 and v1 are the indices of the mesh vertices at</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// the edge's ends.</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// In this case, if m_geometry points to a mesh, then</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// m_component_index != m_t_ci.</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">//</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// 6: m_geometry points to a NURBS cage and (m_t[0],m_t[1],m_t[2])</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// are cage evaluation parameters.</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">//</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// 7: m_geometry points to an annotation object and m_t_ci identifies</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// a point on the annotation object.</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">//</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// 8: m_geometry points to a mesh or mesh vertex object and m_t_ci</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// identifies a vertex on the mesh object.</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">//</span></div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html#af88034a100ec5d8c2041c8cebcd8835c"> 90</a></span>  <span class="keywordtype">int</span> <a class="code" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html#af88034a100ec5d8c2041c8cebcd8835c">m_t_type</a>;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">int</span> m_reserved; <span class="comment">// for future use to record snap info.</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html#ae90aefcf421ece02795c9dc9312adf7b"> 94</a></span>  <span class="keywordtype">double</span> m_t[4];</div><div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html#a9baaf90602b40c21da478af856e8b346"> 95</a></span>  <a class="code" href="../../dc/dc7/class_o_n___interval.html">ON_Interval</a> m_s[3]; <span class="comment">// curve/surface/cage domains</span></div><div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html#a3f7250eb15895dc20f642957b182a19f"> 96</a></span>  ON_COMPONENT_INDEX <a class="code" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html#a3f7250eb15895dc20f642957b182a19f">m_t_ci</a>; <span class="comment">// Not necesarily the same as m_component_index</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// See comment above for details.</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"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html"> 100</a></span> <span class="keyword">class </span>ON_CLASS <a class="code" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html">ON_ObjRef_IRefID</a></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> <span class="keyword">public</span>:</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html">ON_ObjRef_IRefID</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  ~<a class="code" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html">ON_ObjRef_IRefID</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <a class="code" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html">ON_ObjRef_IRefID</a>(<span class="keyword">const</span> <a class="code" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html">ON_ObjRef_IRefID</a>&) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html">ON_ObjRef_IRefID</a>& operator=(<span class="keyword">const</span> <a class="code" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html">ON_ObjRef_IRefID</a>&) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">bool</span> Write(<a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>&) <span class="keyword">const</span>;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">bool</span> Read(<a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>&);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">void</span> Default();</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// m_iref_uuid is the CRhinoInstanceObject's uuid stored</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// in its ON_3dmObjectAttributes.m_uuid.</span></div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#acca5eb1f380f1cf57e74c19a23193c68"> 115</a></span>  <a class="code" href="../../d8/db4/struct_o_n___u_u_i_d__struct.html">ON_UUID</a> m_iref_uuid = ON_nil_uuid;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// m_iref_xform is the value stored in ON_InstanceRef.m_xform.</span></div><div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#aa167a65c3a7db506bb80eb90b6bfa106"> 118</a></span>  <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a> m_iref_xform = <a class="code" href="../../d3/d13/class_o_n___xform.html#a26441e6a7d8989849fa3ea86a68a03de">ON_Xform::ZeroTransformation</a>;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// m_idef_uuid is the instance definition id stored in</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// ON_InstanceRef.m_instance_definition_uuid and</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// ON_InstanceDefinition.m_uuid.</span></div><div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#a361d5adc0d5f103aabe8db437a53f465"> 123</a></span>  <a class="code" href="../../d8/db4/struct_o_n___u_u_i_d__struct.html">ON_UUID</a> m_idef_uuid = ON_nil_uuid;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// m_geometry_index is the index of the uuid of the pertinant</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// piece of geometry in the ON_InstanceRef.m_object_uuid[] </span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// array. This index is identical to the index of the</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// geometry's CRhinoObject in the</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// CRhinoInstanceDefinition.m_objects[] array.</span></div><div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#a2e96ac8257a76b6a6a59e2ab80d34636"> 130</a></span>  <span class="keywordtype">int</span> m_idef_geometry_index = 0;</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>  <span class="comment">// m_geometry_xform is the transformation to map the</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// base geometry to world coordinates. If the</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// instance reference is not nested, then</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// m_geometry_xform = m_iref_xform. If the instance</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// reference is nested, then</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// m_geometry_xform = m_iref_xform * .... * T1</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// where the Ts are the transformations from the children.</span></div><div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#a749273a871829a55d7d753bdb665e89a"> 139</a></span>  <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a> m_geometry_xform = <a class="code" href="../../d3/d13/class_o_n___xform.html#a26441e6a7d8989849fa3ea86a68a03de">ON_Xform::ZeroTransformation</a>;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// If this ON_ObjRef_IRefID is the first entry in the </span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// ON_ObjRef.m__iref[] array, then it references a "real"</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// piece of geometry (not a nested instance reference). </span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// If the reference is to a subobject of the real piece</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">// of geometry, then m_component_index records</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// the subobject index.</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// In all other cases, m_component_index is not set.</span></div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#a265ed3d37c048b30068eded4ceea8529"> 148</a></span>  ON_COMPONENT_INDEX <a class="code" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#a265ed3d37c048b30068eded4ceea8529">m_component_index</a>;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// If this ON_ObjRef_IRefID is the first entry in the </span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// ON_ObjRef.m__iref[] array, then it references a "real"</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// piece of geometry (not a nested instance reference). </span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// If there is an evaluation parameter for the geometry,</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// it is saved in m_evp.</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// In all other cases, m_evp is not set.</span></div><div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#a92b6c9866f98efc87e5b9e6d23c03b80"> 156</a></span>  <a class="code" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html">ON_ObjRefEvaluationParameter</a> <a class="code" href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#a92b6c9866f98efc87e5b9e6d23c03b80">m_evp</a>;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> };</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#if defined(ON_DLL_TEMPLATE)</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> ON_DLL_TEMPLATE <span class="keyword">template</span> <span class="keyword">class </span>ON_CLASS <a class="code" href="../../dc/dfe/class_o_n___simple_array.html">ON_SimpleArray<ON_ObjRef_IRefID></a>;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html"> 163</a></span> <span class="keyword">class </span>ON_CLASS <a class="code" href="../../d3/d80/class_o_n___obj_ref.html">ON_ObjRef</a></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> {</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="../../d3/d80/class_o_n___obj_ref.html">ON_ObjRef</a>();</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="../../d3/d80/class_o_n___obj_ref.html">ON_ObjRef</a>(<span class="keyword">const</span> <a class="code" href="../../d3/d80/class_o_n___obj_ref.html">ON_ObjRef</a>& src);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="../../d3/d80/class_o_n___obj_ref.html">ON_ObjRef</a>& operator=(<span class="keyword">const</span> <a class="code" href="../../d3/d80/class_o_n___obj_ref.html">ON_ObjRef</a>& src);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  ~<a class="code" href="../../d3/d80/class_o_n___obj_ref.html">ON_ObjRef</a>();</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">void</span> Destroy();</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">bool</span> Write( <a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>& ) <span class="keyword">const</span>;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">bool</span> Read( <a class="code" href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a>& );</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="comment">// In Rhino, this uuid is the persistent id of the CRhinoObject</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// that owns the referenced geometry. The value of the</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// CRhinoObject id is stored on ON_3dmObjectAttributes.m_uuid.</span></div><div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html#a786220658c1cf03ca3356c348596478c"> 178</a></span>  <a class="code" href="../../d8/db4/struct_o_n___u_u_i_d__struct.html">ON_UUID</a> <a class="code" href="../../d3/d80/class_o_n___obj_ref.html#a786220658c1cf03ca3356c348596478c">m_uuid</a>;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// The m_geometry and m_parent_geometry pointers are runtime values</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// that point to the object being referenced. The destructor </span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// ~ON_ObjRef does not delete the objects these pointers reference.</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">//</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// m_geometry_type records the type of geometry m_geometry points to.</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">//</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// When the referenced object is a subobject, like a part of a brep </span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// or mesh, m_geometry points to the subobject and m_parent_geometry </span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">// points to the parent object, like the brep or mesh. In this case</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// m_component_index records the location of the subobject.</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">//</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// Parts of instance reference objects:</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">// When the geometry belongs to an instance reference</span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// m_uuid is the id of the CRhinoInstanceObject,</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// m_parent_geometry points to the instance definition</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// geometry or a transformed proxy, and m_geometry points</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// to the piece of m_geometry. The m__iref[] array records</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">// the connection between the instance reference and the</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// geometry the ON_ObjRef refers to.</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">//</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// For example if the ON_ObjRef is to an edge of a brep in</span></div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="comment">// and instance reference, m_uuid would be the Rhino id of</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">// the CRhinoInstanceObject, m_parent_geometry would point</span></div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// to a, possibly proxy, ON_Brep object, m_geometry would point</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// to the ON_BrepEdge in the ON_Brep, m_component_index would</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// record the edge's index in the ON_Brep.m_E[] array and </span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="comment">// m_geometry_type would be ON::curve_object or ON::brep_edge.</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// m__iref->Last() would contain the information about the</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="comment">// top level instance reference. If the brep was at the bottom</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// of a chain of instance references, m__iref[0] would be the</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// reference that immediately used the brep.</span></div><div class="line"><a name="l00211"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html#a98167955401831769ab8dc587d23d6a5"> 211</a></span>  <span class="keyword">const</span> <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>* <a class="code" href="../../d3/d80/class_o_n___obj_ref.html#a98167955401831769ab8dc587d23d6a5">m_geometry</a>;</div><div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html#acfa4f779de04b5ebd096d719141338bb"> 212</a></span>  <span class="keyword">const</span> <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>* <a class="code" href="../../d3/d80/class_o_n___obj_ref.html#acfa4f779de04b5ebd096d719141338bb">m_parent_geometry</a>;</div><div class="line"><a name="l00213"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html#a38650602fdc43da6c13914f47ccda58f"> 213</a></span>  ON_COMPONENT_INDEX <a class="code" href="../../d3/d80/class_o_n___obj_ref.html#a38650602fdc43da6c13914f47ccda58f">m_component_index</a>;</div><div class="line"><a name="l00214"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html#a5eb509b5ddad4b1e43519ba8ab20e9de"> 214</a></span>  <span class="keywordtype">int</span> <a class="code" href="../../d3/d80/class_o_n___obj_ref.html#a5eb509b5ddad4b1e43519ba8ab20e9de">m_geometry_type</a>;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">// If m_runtime_sn > 0, then it is the value of a Rhino object's</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="comment">// CRhinoObject::m_runtime_object_serial_number field.</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// The serial number is used instead of the pointer to</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// prevent crashes in cases when the CRhinoObject is deleted</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="comment">// but an ON_ObjRef continues to reference the Rhino object.</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// The value of m_runtime_sn is not saved in archives because</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">// it generally changes if you save and reload an archive.</span></div><div class="line"><a name="l00223"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html#ab15145f3dbc8ed496ff272f051815b6a"> 223</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="../../d3/d80/class_o_n___obj_ref.html#ab15145f3dbc8ed496ff272f051815b6a">m_runtime_sn</a>;</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">// If m_point != ON_3dPoint::UnsetPoint, then the ObjRef resolves to </span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// a point location. The point location is saved here so the</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// information can persist if the object itself vanishes.</span></div><div class="line"><a name="l00228"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html#a14f0b23e5cb00ea45a2dc3db5b9e16d6"> 228</a></span>  <a class="code" href="../../d2/d35/class_o_n__3d_point.html">ON_3dPoint</a> <a class="code" href="../../d3/d80/class_o_n___obj_ref.html#a14f0b23e5cb00ea45a2dc3db5b9e16d6">m_point</a>;</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// If the point was the result of some type of object snap, then</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// the object snap is recorded here. </span></div><div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html#a5a2394f088347d47b3cea35bdf9d3991"> 232</a></span>  ON::osnap_mode <a class="code" href="../../d3/d80/class_o_n___obj_ref.html#a5a2394f088347d47b3cea35bdf9d3991">m_osnap_mode</a>;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// If m_point != ON_3dPoint::UnsetPoint and m_evp.m_t_type != 0, then</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// m_evp records the records the m_geometry evaluation</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// parameters for the m_point.</span></div><div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html#af939eab31a7238b44125c806824d827d"> 237</a></span>  <a class="code" href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html">ON_ObjRefEvaluationParameter</a> <a class="code" href="../../d3/d80/class_o_n___obj_ref.html#af939eab31a7238b44125c806824d827d">m_evp</a>;</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="comment">// If m__iref[] is not empty, then m_uuid identifies</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// and instance reference (ON_InstanceRef/CRhinoInstanceObject)</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// and m__iref[] records the chain of instance references from</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// the base piece of geometry to the instance reference.</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="comment">// The top level instance reference is last in the list.</span></div><div class="line"><a name="l00244"></a><span class="lineno"><a class="line" href="../../d3/d80/class_o_n___obj_ref.html#a27c1433660f45e922512f1bbdf7e4cd2"> 244</a></span>  <a class="code" href="../../dc/dfe/class_o_n___simple_array.html">ON_SimpleArray<ON_ObjRef_IRefID></a> <a class="code" href="../../d3/d80/class_o_n___obj_ref.html#a27c1433660f45e922512f1bbdf7e4cd2">m__iref</a>;</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">/*</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> Description:</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> Expert user tool to decrement reference counts. Most</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> users will never need to call this tool. It is called</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> by ~ON_ObjRef and used in rare cases when a</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> ON_ObjRef needs to reference an object only by uuid</span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> and component index.</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> */</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordtype">void</span> DecrementProxyReferenceCount();</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="comment">/*</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> Description:</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> Expert user tool to initialize the ON_ObjRef </span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> m__proxy1, m__proxy2, and m__proxy_ref_count fields.</span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> */</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordtype">void</span> SetProxy( </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <a class="code" href="../../d9/d7b/class_o_n___object.html">ON_Object</a>* proxy1, </div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="../../d9/d7b/class_o_n___object.html">ON_Object</a>* proxy2, </div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordtype">bool</span> bCountReferences </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  );</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>  <span class="keywordtype">bool</span> SetParentIRef( <span class="keyword">const</span> <a class="code" href="../../de/de8/class_o_n___instance_ref.html">ON_InstanceRef</a>& iref,</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <a class="code" href="../../d8/db4/struct_o_n___u_u_i_d__struct.html">ON_UUID</a> iref_id,</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordtype">int</span> idef_geometry_index</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  );</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="comment">/*</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> Returns:</span></div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> 0: This ON_ObjRef is not counting references.</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> >0: Number of references.</span></div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"> */</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">int</span> ProxyReferenceCount() <span class="keyword">const</span>;</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="comment">/*</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> Parameters:</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> proxy_object_index - [in] 1 or 2.</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> Returns:</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment"> A pointer to the requested proxy object.</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"> */</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keyword">const</span> <a class="code" href="../../d9/d7b/class_o_n___object.html">ON_Object</a>* ProxyObject(<span class="keywordtype">int</span> proxy_object_index) <span class="keyword">const</span>;</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="comment">/*</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> Description:</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> This tool is used in rare situations when the object ids </span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> stored in the uuid list need to be remapped.</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> Parameters:</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> uuid_remap - [in]</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> Is it critical that uuid_remap[] be sorted with respect</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> to ON_UuidPair::CompareFirstUuid.</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"> */</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordtype">void</span> RemapObjectId( <span class="keyword">const</span> <a class="code" href="../../dc/dfe/class_o_n___simple_array.html">ON_SimpleArray<ON_UuidPair></a>& uuid_remap );</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// In simple (and the most common) cases where m_geometry</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="comment">// is managed by something outside of the ON_ObjRef class,</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="comment">// m__proxy_ref_count is nullptr. In this case, the m__proxy1</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="comment">// and m__proxy2 pointers may still be used to store </span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// references to a parent object.</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="comment">//</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">// In cases when the referenced geometry pointed at by</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// m_geometry is not being managed by another class,</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">// m_proxy1 and m_proxy2 are not nullptr and *m_proxy_ref_count </span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// counts the number of ON_ObjRef classes that refer to m__proxy1/2.</span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="comment">// When the last ON_ObjRef is destroyed, m__proxy1/2 is deleted.</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">// When the ON_ObjRef is using reference counting and managing</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="comment">// m__proxy1/2, m_geometry points to some part of m__proxy1/2 and</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">// m_geometry is destroyed when m__proxy1/2 is destroyed.</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="comment">//</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="comment">// The convention is to use m__proxy1 to store</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">// ON_MeshVertex/Edge/FaceRefs and CRhinoPolyEdges</span></div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">// and m__proxy2 to store transformed copies if instance</span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="comment">// definition geometry. </span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <a class="code" href="../../d9/d7b/class_o_n___object.html">ON_Object</a>* m__proxy1;</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <a class="code" href="../../d9/d7b/class_o_n___object.html">ON_Object</a>* m__proxy2;</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordtype">int</span>* m__proxy_ref_count;</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">//ON__INT_PTR m_reserved;</span></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> };</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> </div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="preprocessor">#if defined(ON_DLL_TEMPLATE)</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> ON_DLL_TEMPLATE <span class="keyword">template</span> <span class="keyword">class </span>ON_CLASS <a class="code" href="../../dd/d40/class_o_n___class_array.html">ON_ClassArray<ON_ObjRef></a>;</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="class_o_n___obj_ref_html_a786220658c1cf03ca3356c348596478c"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html#a786220658c1cf03ca3356c348596478c">ON_ObjRef::m_uuid</a></div><div class="ttdeci">ON_UUID m_uuid</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:178</div></div>
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<div class="ttc" id="class_o_n___obj_ref_html_a98167955401831769ab8dc587d23d6a5"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html#a98167955401831769ab8dc587d23d6a5">ON_ObjRef::m_geometry</a></div><div class="ttdeci">const ON_Geometry * m_geometry</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:211</div></div>
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<div class="ttc" id="struct_o_n___u_u_i_d__struct_html"><div class="ttname"><a href="../../d8/db4/struct_o_n___u_u_i_d__struct.html">ON_UUID_struct</a></div><div class="ttdoc">ON_UUID is a 16 byte universally unique identifier. </div><div class="ttdef"><b>Definition:</b> opennurbs_uuid.h:32</div></div>
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<div class="ttc" id="class_o_n___obj_ref_html_ab15145f3dbc8ed496ff272f051815b6a"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html#ab15145f3dbc8ed496ff272f051815b6a">ON_ObjRef::m_runtime_sn</a></div><div class="ttdeci">unsigned int m_runtime_sn</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:223</div></div>
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<div class="ttc" id="class_o_n___simple_array_html"><div class="ttname"><a href="../../dc/dfe/class_o_n___simple_array.html">ON_SimpleArray< ON_ObjRef_IRefID ></a></div></div>
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<div class="ttc" id="class_o_n___obj_ref_html_a14f0b23e5cb00ea45a2dc3db5b9e16d6"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html#a14f0b23e5cb00ea45a2dc3db5b9e16d6">ON_ObjRef::m_point</a></div><div class="ttdeci">ON_3dPoint m_point</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:228</div></div>
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<div class="ttc" id="class_o_n___obj_ref_html_a27c1433660f45e922512f1bbdf7e4cd2"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html#a27c1433660f45e922512f1bbdf7e4cd2">ON_ObjRef::m__iref</a></div><div class="ttdeci">ON_SimpleArray< ON_ObjRef_IRefID > m__iref</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:244</div></div>
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<div class="ttc" id="class_o_n___xform_html_a26441e6a7d8989849fa3ea86a68a03de"><div class="ttname"><a href="../../d3/d13/class_o_n___xform.html#a26441e6a7d8989849fa3ea86a68a03de">ON_Xform::ZeroTransformation</a></div><div class="ttdeci">static const ON_Xform ZeroTransformation</div><div class="ttdoc">ON_Xform ZeroTransformation diagonal = (0,0,0,1) </div><div class="ttdef"><b>Definition:</b> opennurbs_xform.h:35</div></div>
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<div class="ttc" id="class_o_n___geometry_html"><div class="ttname"><a href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a></div><div class="ttdef"><b>Definition:</b> opennurbs_geometry.h:36</div></div>
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<div class="ttc" id="class_o_n___obj_ref___i_ref_i_d_html_a265ed3d37c048b30068eded4ceea8529"><div class="ttname"><a href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#a265ed3d37c048b30068eded4ceea8529">ON_ObjRef_IRefID::m_component_index</a></div><div class="ttdeci">ON_COMPONENT_INDEX m_component_index</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:148</div></div>
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<div class="ttc" id="class_o_n___obj_ref___i_ref_i_d_html"><div class="ttname"><a href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html">ON_ObjRef_IRefID</a></div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:100</div></div>
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<div class="ttc" id="class_o_n___obj_ref_html_acfa4f779de04b5ebd096d719141338bb"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html#acfa4f779de04b5ebd096d719141338bb">ON_ObjRef::m_parent_geometry</a></div><div class="ttdeci">const ON_Geometry * m_parent_geometry</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:212</div></div>
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<div class="ttc" id="class_o_n___obj_ref_html_af939eab31a7238b44125c806824d827d"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html#af939eab31a7238b44125c806824d827d">ON_ObjRef::m_evp</a></div><div class="ttdeci">ON_ObjRefEvaluationParameter m_evp</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:237</div></div>
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<div class="ttc" id="class_o_n___xform_html"><div class="ttname"><a href="../../d3/d13/class_o_n___xform.html">ON_Xform</a></div><div class="ttdef"><b>Definition:</b> opennurbs_xform.h:28</div></div>
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<div class="ttc" id="class_o_n___instance_ref_html"><div class="ttname"><a href="../../de/de8/class_o_n___instance_ref.html">ON_InstanceRef</a></div><div class="ttdef"><b>Definition:</b> opennurbs_instance.h:647</div></div>
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<div class="ttc" id="class_o_n___object_html"><div class="ttname"><a href="../../d9/d7b/class_o_n___object.html">ON_Object</a></div><div class="ttdef"><b>Definition:</b> opennurbs_object.h:433</div></div>
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<div class="ttc" id="class_o_n___class_array_html"><div class="ttname"><a href="../../dd/d40/class_o_n___class_array.html">ON_ClassArray</a></div><div class="ttdef"><b>Definition:</b> opennurbs_array.h:412</div></div>
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<div class="ttc" id="class_o_n___binary_archive_html"><div class="ttname"><a href="../../db/d16/class_o_n___binary_archive.html">ON_BinaryArchive</a></div><div class="ttdoc">< use for generic serialization of binary data </div><div class="ttdef"><b>Definition:</b> opennurbs_archive.h:1866</div></div>
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<div class="ttc" id="class_o_n___obj_ref_html_a38650602fdc43da6c13914f47ccda58f"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html#a38650602fdc43da6c13914f47ccda58f">ON_ObjRef::m_component_index</a></div><div class="ttdeci">ON_COMPONENT_INDEX m_component_index</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:213</div></div>
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<div class="ttc" id="class_o_n___obj_ref_html"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html">ON_ObjRef</a></div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:163</div></div>
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<div class="ttc" id="class_o_n__3d_point_html"><div class="ttname"><a href="../../d2/d35/class_o_n__3d_point.html">ON_3dPoint</a></div><div class="ttdef"><b>Definition:</b> opennurbs_point.h:480</div></div>
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<div class="ttc" id="class_o_n___obj_ref_evaluation_parameter_html"><div class="ttname"><a href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html">ON_ObjRefEvaluationParameter</a></div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:20</div></div>
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<div class="ttc" id="class_o_n___obj_ref_html_a5a2394f088347d47b3cea35bdf9d3991"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html#a5a2394f088347d47b3cea35bdf9d3991">ON_ObjRef::m_osnap_mode</a></div><div class="ttdeci">ON::osnap_mode m_osnap_mode</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:232</div></div>
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<div class="ttc" id="class_o_n___obj_ref_evaluation_parameter_html_af88034a100ec5d8c2041c8cebcd8835c"><div class="ttname"><a href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html#af88034a100ec5d8c2041c8cebcd8835c">ON_ObjRefEvaluationParameter::m_t_type</a></div><div class="ttdeci">int m_t_type</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:90</div></div>
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<div class="ttc" id="class_o_n___obj_ref_evaluation_parameter_html_a3f7250eb15895dc20f642957b182a19f"><div class="ttname"><a href="../../de/d63/class_o_n___obj_ref_evaluation_parameter.html#a3f7250eb15895dc20f642957b182a19f">ON_ObjRefEvaluationParameter::m_t_ci</a></div><div class="ttdeci">ON_COMPONENT_INDEX m_t_ci</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:96</div></div>
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<div class="ttc" id="class_o_n___obj_ref_html_a5eb509b5ddad4b1e43519ba8ab20e9de"><div class="ttname"><a href="../../d3/d80/class_o_n___obj_ref.html#a5eb509b5ddad4b1e43519ba8ab20e9de">ON_ObjRef::m_geometry_type</a></div><div class="ttdeci">int m_geometry_type</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:214</div></div>
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<div class="ttc" id="class_o_n___obj_ref___i_ref_i_d_html_a92b6c9866f98efc87e5b9e6d23c03b80"><div class="ttname"><a href="../../de/d5d/class_o_n___obj_ref___i_ref_i_d.html#a92b6c9866f98efc87e5b9e6d23c03b80">ON_ObjRef_IRefID::m_evp</a></div><div class="ttdeci">ON_ObjRefEvaluationParameter m_evp</div><div class="ttdef"><b>Definition:</b> opennurbs_objref.h:156</div></div>
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<div class="ttc" id="class_o_n___interval_html"><div class="ttname"><a href="../../dc/dc7/class_o_n___interval.html">ON_Interval</a></div><div class="ttdef"><b>Definition:</b> opennurbs_point.h:46</div></div>
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