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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> <span class="comment"></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"></span><span class="comment">//</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">// virtual base class for all geomtric objects</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">//</span><span class="comment"></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#if !defined(OPENNURBS_GEOMETRY_INC_)</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#define OPENNURBS_GEOMETRY_INC_</span></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="keyword">class </span><a class="code" href="../../d9/d96/class_o_n___brep.html">ON_Brep</a>;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">////////////////////////////////////////////////////////////////</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Description:</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Base class for all geometry classes that must</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// provide runtime class id. Provides interface</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// for common geometric operations like finding bounding</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// boxes and transforming.</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"><a class="line" href="../../df/de0/class_o_n___geometry.html"> 36</a></span> <span class="keyword">class </span>ON_CLASS <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a> : <span class="keyword">public</span> <a class="code" href="../../d9/d7b/class_o_n___object.html">ON_Object</a></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// Any object derived from ON_Geometry should have a</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="comment">// ON_OBJECT_DECLARE(ON_...);</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="comment">// as the last line of its class definition and a</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// ON_OBJECT_IMPLEMENT( ON_..., ON_baseclass );</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// in a .cpp file.</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">//</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="comment">// See the definition of ON_Object for details.</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  ON_OBJECT_DECLARE(<a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="../../df/de0/class_o_n___geometry.html#a4d9849b197644c66831f3ed1b8738935"> 48</a></span>  <span class="keyword">const</span> <span class="keyword">static</span> <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a> <a class="code" href="../../df/de0/class_o_n___geometry.html#a4d9849b197644c66831f3ed1b8738935">Unset</a>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  ~<a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>(<span class="keyword">const</span> <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>&) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>& <a class="code" href="../../d9/d7b/class_o_n___object.html#aba6166c9aecef42639e684a2a3fda223">operator=</a>(<span class="keyword">const</span> <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>&) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#if defined(ON_HAS_RVALUEREF)</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// rvalue copy constructor</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>( <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>&& ) ON_NOEXCEPT;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// The rvalue assignment operator calls ON_Object::operator=(ON_Object&&)</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// which could throw exceptions. See the implementation of</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// ON_Object::operator=(ON_Object&&) for details.</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>& operator=( <a class="code" href="../../df/de0/class_o_n___geometry.html">ON_Geometry</a>&& );</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">bool</span> <a class="code" href="../../d9/d7b/class_o_n___object.html#a7212696724553dc4d365479a10150c0d">IsValid</a>( <span class="keyword">class</span> <a class="code" href="../../d2/da3/class_o_n___text_log.html">ON_TextLog</a>* text_log = <span class="keyword">nullptr</span> ) <span class="keyword">const override</span>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// Description: </span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// Get object's 3d axis aligned bounding box.</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="comment">// Returns:</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// 3d bounding box.</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// Remarks:</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// Uses virtual GetBBox() function to calculate the result.</span></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="../../d1/d17/class_o_n___bounding_box.html">ON_BoundingBox</a> BoundingBox() <span class="keyword">const</span>;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// Description:</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">// Get object's 3d axis aligned bounding box or the</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// union of the input box with the object's bounding box.</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// Parameters:</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// bbox - [in/out] 3d axis aligned bounding box</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// bGrowBox - [in] (default=false) </span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">// If true, then the union of the input bbox and the </span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// object's bounding box is returned in bbox. </span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// If false, the object's bounding box is returned in bbox.</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// Returns:</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// true if object has bounding box and calculation was successful.</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// Remarks:</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// Uses virtual GetBBox() function to calculate the result.</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">bool</span> GetBoundingBox(</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="../../d1/d17/class_o_n___bounding_box.html">ON_BoundingBox</a>& bbox,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">bool</span> bGrowBox = <span class="keyword">false</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  ) <span class="keyword">const</span>;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// Description:</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// Get corners of object's 3d axis aligned bounding box</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// or the union of the input box with the object's bounding</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// box.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">// Parameters:</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// bbox_min - [in/out] minimum corner of the 3d bounding box</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">// bbox_max - [in/out] maximum corner of the 3d bounding box</span></div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="comment">// bGrowBox - [in] (default=false) </span></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// If true, then the union of the input bbox and the </span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="comment">// object's bounding box is returned.</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// If false, the object's bounding box is returned.</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// Returns:</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// true if successful.</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">bool</span> GetBoundingBox(</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="../../d2/d35/class_o_n__3d_point.html">ON_3dPoint</a>& bbox_min,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="../../d2/d35/class_o_n__3d_point.html">ON_3dPoint</a>& bbox_max,</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">bool</span> bGrowBox = <span class="keyword">false</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  ) <span class="keyword">const</span>;</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">// Description:</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// Rotates the object about the specified axis. A positive</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// rotation angle results in a counter-clockwise rotation</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// about the axis (right hand rule).</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Parameters:</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// sin_angle - [in] sine of rotation angle</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">// cos_angle - [in] sine of rotation angle</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// rotation_axis - [in] direction of the axis of rotation</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// rotation_center - [in] point on the axis of rotation</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// Returns:</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// true if object successfully rotated</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// Remarks:</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// Uses virtual Transform() function to calculate the result.</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">bool</span> Rotate(</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">double</span> sin_angle,</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">double</span> cos_angle,</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> <a class="code" href="../../d5/dae/class_o_n__3d_vector.html">ON_3dVector</a>& rotation_axis,</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> <a class="code" href="../../d2/d35/class_o_n__3d_point.html">ON_3dPoint</a>& rotation_center</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  );</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="comment">// Description:</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// Rotates the object about the specified axis. A positive</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// rotation angle results in a counter-clockwise rotation</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// about the axis (right hand rule).</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// Parameters:</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// rotation_angle - [in] angle of rotation in radians</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// rotation_axis - [in] direction of the axis of rotation</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// rotation_center - [in] point on the axis of rotation</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">// Returns:</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// true if object successfully rotated</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// Remarks:</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// Uses virtual Transform() function to calculate the result.</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordtype">bool</span> Rotate(</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">double</span> rotation_angle,</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">const</span> <a class="code" href="../../d5/dae/class_o_n__3d_vector.html">ON_3dVector</a>& rotation_axis,</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <a class="code" href="../../d2/d35/class_o_n__3d_point.html">ON_3dPoint</a>& rotation_center</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> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="comment">// Description:</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// Translates the object along the specified vector.</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">// Parameters:</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// translation_vector - [in] translation vector</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">// Returns:</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">// true if object successfully translated</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// Remarks:</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Uses virtual Transform() function to calculate the result.</span></div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">bool</span> Translate( </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> <a class="code" href="../../d5/dae/class_o_n__3d_vector.html">ON_3dVector</a>& translation_vector</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  );</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="comment">// Description:</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// Scales the object by the specified facotor. The scale is</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// centered at the origin.</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="comment">// Parameters:</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">// scale_factor - [in] scale factor</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="comment">// Returns:</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="comment">// true if object successfully scaled</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="comment">// Remarks:</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">// Uses virtual Transform() function to calculate the result.</span></div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">bool</span> Scale( </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">double</span> scale_factor</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> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// Description:</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// Dimension of the object.</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// Returns:</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// Dimension of the object.</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// Remarks:</span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// The dimension is typically three. For parameter space trimming</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// curves the dimension is two. In rare cases the dimension can</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// be one or greater than three.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> Dimension() <span class="keyword">const</span>;</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">// Description:</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">// This is the virtual function that actually calculates axis</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">// aligned bounding boxes.</span></div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">// Parameters:</span></div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// boxmin - [in/out] array of Dimension() doubles</span></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// boxmax - [in/out] array of Dimension() doubles</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">// bGrowBox - [in] (default=false) </span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">// If true, then the union of the input bbox and the </span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// object's bounding box is returned in bbox. </span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// If false, the object's bounding box is returned in bbox.</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// Returns:</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">// true if object has bounding box and calculation was successful</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> GetBBox(</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordtype">double</span>* boxmin,</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">double</span>* boxmax,</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordtype">bool</span> bGrowBox = <span class="keyword">false</span></div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  ) <span class="keyword">const</span>;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">/*</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> Description:</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> Get tight bounding box.</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment"> Parameters:</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"> tight_bbox - [in/out] tight bounding box</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> bGrowBox -[in] (default=false) </span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> If true and the input tight_bbox is valid, then returned</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> tight_bbox is the union of the input tight_bbox and the </span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment"> curve's tight bounding box.</span></div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> xform -[in] (default=nullptr)</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> If not nullptr, the tight bounding box of the transformed</span></div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> geometry is calculated. The geometry is not modified.</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> Returns:</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment"> True if a valid tight_bbox is returned.</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"> Remarks:</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment"> In general, GetTightBoundingBox is slower that BoundingBox,</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"> especially when xform is not null.</span></div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"> */</span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> GetTightBoundingBox( </div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">class</span> <a class="code" href="../../d1/d17/class_o_n___bounding_box.html">ON_BoundingBox</a>& tight_bbox,</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">bool</span> bGrowBox = <span class="keyword">false</span>,</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a>* xform = <span class="keyword">nullptr</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  ) <span class="keyword">const</span>;</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// Description:</span></div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// Some objects cache bounding box information.</span></div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// If you modify an object, then call ClearBoundingBox()</span></div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">// to inform the object that any cached bounding boxes</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// are invalid. </span></div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="comment">//</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="comment">// Remarks:</span></div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">// Generally, ClearBoundingBox() overrides</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// simply invalidate a cached bounding box and then wait</span></div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="comment">// for a call to GetBBox() before recomputing the bounding box.</span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="comment">//</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// The default implementation does nothing.</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> ClearBoundingBox();</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">/*</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"> Description:</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> Transforms the object.</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> </span></div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> Parameters:</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="comment"> xform - [in] transformation to apply to object.</span></div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"> If xform.IsSimilarity() is zero, then you may</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> want to call MakeSquishy() before calling</span></div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> Transform.</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> </span></div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> Remarks:</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> When overriding this function, be sure to include a call</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> to ON_Object::TransformUserData() which takes care of </span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> transforming any ON_UserData that may be attached to </span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> the object.</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"></span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> See Also:</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> ON_Geometry::IsDeformable();</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="comment"> Remarks:</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> Classes derived from ON_Geometry should call</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> ON_Geometry::Transform() to handle user data</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> transformations and then transform their</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> definition.</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> */</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordtype">bool</span> Transform( </div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keyword">const</span> <a class="code" href="../../d3/d13/class_o_n___xform.html">ON_Xform</a>& xform</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"> True if object can be accuratly modified with </span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment"> "squishy" transformations like projections, </span></div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"> shears, an non-uniform scaling.</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"> See Also:</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> ON_Geometry::MakeDeformable();</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="keyword">virtual</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordtype">bool</span> IsDeformable() <span class="keyword">const</span>;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">/*</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"> Description:</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment"> If possible, converts the object into a form that can</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment"> be accuratly modified with "squishy" transformations</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"> like projections, shears, an non-uniform scaling.</span></div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> Returns:</span></div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> False if object cannot be converted to a deformable</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> object. True if object was already deformable or</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> was converted into a deformable object.</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> See Also:</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> ON_Geometry::IsDeformable();</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> */</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordtype">bool</span> MakeDeformable();</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="comment">// Description:</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// Swaps object coordinate values with indices i and j.</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="comment">//</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="comment">// Parameters:</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="comment">// i - [in] coordinate index</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// j - [in] coordinate index</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">// Remarks:</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// The default implementation uses the virtual Transform() </span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="comment">// function to calculate the result. If you are creating</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">// an object where Transform() is slow, coordinate swapping</span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="comment">// will be frequently used, and coordinate swapping can</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="comment">// be quickly accomplished, then override this function.</span></div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="comment">//</span></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">// Example:</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">// ON_Point point(7,8,9);</span></div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">// point.SwapCoordinates(0,2);</span></div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="comment">// // point = (9,8,7)</span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordtype">bool</span> SwapCoordinates(</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordtype">int</span> i,</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordtype">int</span> j</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  );</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </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> </div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="comment">/*</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment"> Description:</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment"> Query an object to see if it has an ON_Brep form.</span></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment"> Result:</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment"> Returns true if the virtual ON_Geometry::BrepForm can compute</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"> an ON_Brep representation of this object.</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment"> Remarks:</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment"> The default implementation of ON_Geometry::BrepForm returns </span></div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment"> false.</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> <span class="comment"> See Also</span></div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment"> ON_Geometry::BrepForm</span></div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"> */</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordtype">bool</span> HasBrepForm() <span class="keyword">const</span>;</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">/*</span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> Description:</span></div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> If possible, BrepForm() creates a brep form of the</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment"> ON_Geometry. </span></div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"> Parameters:</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> brep - [in] if not nullptr, brep is used to store the brep</span></div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="comment"> form of the geometry.</span></div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment"> Result:</span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment"> Returns a pointer to on ON_Brep or nullptr. If the brep</span></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment"> parameter is not nullptr, then brep is returned if the</span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"> geometry has a brep form and nullptr is returned if the</span></div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment"> geometry does not have a brep form.</span></div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment"> Remarks:</span></div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment"> The caller is responsible for managing the brep memory.</span></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment"> See Also</span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment"> ON_Geometry::HasBrepForm</span></div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="comment"> */</span></div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keyword">class </span><a class="code" href="../../d9/d96/class_o_n___brep.html">ON_Brep</a>* <a class="code" href="../../d9/d96/class_o_n___brep.html#aa9acb060ba0067db18caff5706253d0a">BrepForm</a>(</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keyword">class</span> <a class="code" href="../../d9/d96/class_o_n___brep.html">ON_Brep</a>* brep = <span class="keyword">nullptr</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  ) <span class="keyword">const</span>;</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">/*</span></div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment"> Description:</span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment"> If this piece of geometry is a component in something</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment"> larger, like an ON_BrepEdge in an ON_Brep, then this</span></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="comment"> function returns the component index.</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="comment"> Returns:</span></div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="comment"> This object's component index. If this object is</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="comment"> not a sub-piece of a larger geometric entity, then</span></div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="comment"> the returned index has </span></div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="comment"> m_type = ON_COMPONENT_INDEX::invalid_type</span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment"> and</span></div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="comment"> m_index = -1.</span></div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="comment"> */</span></div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  ON_COMPONENT_INDEX <a class="code" href="../../df/de0/class_o_n___geometry.html#a20e5d1aeada9545127329a8699c702b9">ComponentIndex</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> </div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="comment">/*</span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment"> Description:</span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="comment"> Evaluate the location of a point from the object</span></div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment"> reference.</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment"> Parameters:</span></div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment"> objref - [in]</span></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment"> point - [out]</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment"> If the evaluation cannot be performed, ON_3dPoint::UnsetPoint</span></div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="comment"> is returned.</span></div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="comment"> Returns:</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span> <span class="comment"> True if successful.</span></div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="comment"> */</span></div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keyword">virtual</span></div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordtype">bool</span> <a class="code" href="../../d9/d96/class_o_n___brep.html#a94edf1cb5173c1acaa7e530b8cf6607d">EvaluatePoint</a>( </div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keyword">const</span> <span class="keyword">class</span> <a class="code" href="../../d3/d80/class_o_n___obj_ref.html">ON_ObjRef</a>& objref,</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <a class="code" href="../../d2/d35/class_o_n__3d_point.html">ON_3dPoint</a>& P</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  ) <span class="keyword">const</span>;</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> };</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span> </div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> </div><div class="ttc" id="class_o_n___geometry_html_a20e5d1aeada9545127329a8699c702b9"><div class="ttname"><a href="../../df/de0/class_o_n___geometry.html#a20e5d1aeada9545127329a8699c702b9">ON_Geometry::ComponentIndex</a></div><div class="ttdeci">virtual ON_COMPONENT_INDEX ComponentIndex() const</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___bounding_box_html"><div class="ttname"><a href="../../d1/d17/class_o_n___bounding_box.html">ON_BoundingBox</a></div><div class="ttdef"><b>Definition:</b> opennurbs_bounding_box.h:25</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___geometry_html_a4d9849b197644c66831f3ed1b8738935"><div class="ttname"><a href="../../df/de0/class_o_n___geometry.html#a4d9849b197644c66831f3ed1b8738935">ON_Geometry::Unset</a></div><div class="ttdeci">static const ON_Geometry Unset</div><div class="ttdef"><b>Definition:</b> opennurbs_geometry.h:48</div></div>
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<div class="ttc" id="class_o_n___brep_html_a94edf1cb5173c1acaa7e530b8cf6607d"><div class="ttname"><a href="../../d9/d96/class_o_n___brep.html#a94edf1cb5173c1acaa7e530b8cf6607d">ON_Brep::EvaluatePoint</a></div><div class="ttdeci">bool EvaluatePoint(const class ON_ObjRef &objref, ON_3dPoint &P) const override</div><div class="ttdoc">virtual ON_Geometry override </div></div>
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<div class="ttc" id="class_o_n___object_html_aba6166c9aecef42639e684a2a3fda223"><div class="ttname"><a href="../../d9/d7b/class_o_n___object.html#aba6166c9aecef42639e684a2a3fda223">ON_Object::operator=</a></div><div class="ttdeci">ON_Object & operator=(const ON_Object &)</div></div>
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<div class="ttc" id="class_o_n___object_html_a7212696724553dc4d365479a10150c0d"><div class="ttname"><a href="../../d9/d7b/class_o_n___object.html#a7212696724553dc4d365479a10150c0d">ON_Object::IsValid</a></div><div class="ttdeci">virtual bool IsValid(class ON_TextLog *text_log=nullptr) const</div></div>
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<div class="ttc" id="class_o_n___brep_html"><div class="ttname"><a href="../../d9/d96/class_o_n___brep.html">ON_Brep</a></div><div class="ttdef"><b>Definition:</b> opennurbs_brep.h:1513</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___text_log_html"><div class="ttname"><a href="../../d2/da3/class_o_n___text_log.html">ON_TextLog</a></div><div class="ttdef"><b>Definition:</b> opennurbs_textlog.h:20</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___brep_html_aa9acb060ba0067db18caff5706253d0a"><div class="ttname"><a href="../../d9/d96/class_o_n___brep.html#aa9acb060ba0067db18caff5706253d0a">ON_Brep::BrepForm</a></div><div class="ttdeci">ON_Brep * BrepForm(ON_Brep *brep=nullptr) const override</div></div>
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<div class="ttc" id="class_o_n__3d_vector_html"><div class="ttname"><a href="../../d5/dae/class_o_n__3d_vector.html">ON_3dVector</a></div><div class="ttdef"><b>Definition:</b> opennurbs_point.h:1182</div></div>
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