茂之钳
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<div id="projectname">ViewDesignEngine
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 <span id="projectnumber">3.1.0</span>
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<div id="projectbrief">高性能 CAD 计算几何引擎</div>
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<div class="title">constraint_solver.h</div> </div>
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<a href="constraint__solver_8h.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#pragma once</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#include "<a class="code" href="point_8h.html">vde/core/point.h</a>"</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <unordered_map></span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  </div>
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<div class="line"><a name="l00007"></a><span class="lineno"><a class="line" href="namespacevde_1_1sketch.html"> 7</a></span> <span class="keyword">namespace </span><a class="code" href="namespacevde_1_1sketch.html">vde::sketch</a> {</div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="keyword">using</span> <a class="code" href="namespacevde_1_1core.html#a78483c599a40e4f333418667a77e3862">core::Point2D</a>;</div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="keyword">using</span> <a class="code" href="namespacevde_1_1core.html#ad9a16d9a4c7eba0f41fd91110c8e6381">core::Vector2D</a>;</div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
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<div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchPoint.html"> 15</a></span> <span class="keyword">struct </span><a class="code" href="structvde_1_1sketch_1_1SketchPoint.html">SketchPoint</a> {</div>
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<div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchPoint.html#acccc2685724fe5cb980e611418711204"> 16</a></span>  <span class="keywordtype">int</span> <a class="code" href="structvde_1_1sketch_1_1SketchPoint.html#acccc2685724fe5cb980e611418711204">id</a>; </div>
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<div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchPoint.html#a2bc08ef95871e0e8d72f8429f5a242c4"> 17</a></span>  <a class="code" href="namespacevde_1_1core.html#a78483c599a40e4f333418667a77e3862">Point2D</a> <a class="code" href="structvde_1_1sketch_1_1SketchPoint.html#a2bc08ef95871e0e8d72f8429f5a242c4">pos</a>; </div>
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<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchPoint.html#a2a487c20a03599cb94ec7538c3e354aa"> 18</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structvde_1_1sketch_1_1SketchPoint.html#a2a487c20a03599cb94ec7538c3e354aa">fixed</a> = <span class="keyword">false</span>; </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> };</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchLine.html"> 25</a></span> <span class="keyword">struct </span><a class="code" href="structvde_1_1sketch_1_1SketchLine.html">SketchLine</a> {</div>
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<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchLine.html#a9a776c571c882655ec4eec92d112febc"> 26</a></span>  <span class="keywordtype">int</span> <a class="code" href="structvde_1_1sketch_1_1SketchLine.html#a9a776c571c882655ec4eec92d112febc">id</a>; </div>
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<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchLine.html#afcffab563825b270b7693c486e573812"> 27</a></span>  <span class="keywordtype">int</span> <a class="code" href="structvde_1_1sketch_1_1SketchLine.html#afcffab563825b270b7693c486e573812">p0</a>, <a class="code" href="structvde_1_1sketch_1_1SketchLine.html#a120bc990adefeb2423eaf311f6db9673">p1</a>; </div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> };</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div>
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<div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchCircle.html"> 34</a></span> <span class="keyword">struct </span><a class="code" href="structvde_1_1sketch_1_1SketchCircle.html">SketchCircle</a> {</div>
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<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchCircle.html#a5f3fe16fd807834bc9767ea5379f66cf"> 35</a></span>  <span class="keywordtype">int</span> <a class="code" href="structvde_1_1sketch_1_1SketchCircle.html#a5f3fe16fd807834bc9767ea5379f66cf">id</a>; </div>
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<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchCircle.html#a6e7e40a8971eccfeb07d32b7db8a9225"> 36</a></span>  <span class="keywordtype">int</span> <a class="code" href="structvde_1_1sketch_1_1SketchCircle.html#a6e7e40a8971eccfeb07d32b7db8a9225">center</a>; </div>
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<div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SketchCircle.html#a37b622c720a9d414e0d0fb27a3f28520"> 37</a></span>  <span class="keywordtype">double</span> <a class="code" href="structvde_1_1sketch_1_1SketchCircle.html#a37b622c720a9d414e0d0fb27a3f28520">radius</a>; </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> };</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
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<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="group__sketch.html#gaad27ecad61ea382a4ea2f61366fdd1b3"> 49</a></span> <span class="keyword">enum class</span> <a class="code" href="group__sketch.html#gaad27ecad61ea382a4ea2f61366fdd1b3">ConstraintType</a> {</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3ac1b5fa03ecdb95d4a45dd1c40b02527f">Horizontal</a>, </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a06ce2a25e5d12c166a36f654dbea6012">Vertical</a>, </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a98402eecfbcefc336954458a01752131">Parallel</a>, </div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3acd8b3187c4074a4bb810f1fef79fd52a">Perpendicular</a>, </div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a81126870f8ecd751b93a0f51d10a8945">Coincident</a>, </div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a75d5dcc04f38a8ba732bf65d0033af27">EqualLength</a>, </div>
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||
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a0aa6f4210bf373c95eda00232e93cd98">Distance</a>, </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3ad1106ccca74e98877ed6d7890c70bb2c">Radius</a>, </div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a541671cb1be09d76a84ba1a873ec3fc8">Tangent</a>, </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3ae02297ae7a55ef0dcf7f1aab456e9c14">Concentric</a>, </div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a2a0ef66f3350a0347070e69501922e27">FixedPoint</a>, </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a4457d440870ad6d42bab9082d9bf9b61">Fixed</a>, </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a45f4ce6c3306644b1efe333f4f8d6929">Angle</a>, </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> };</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
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<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1Constraint.html"> 69</a></span> <span class="keyword">struct </span><a class="code" href="structvde_1_1sketch_1_1Constraint.html">Constraint</a> {</div>
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<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1Constraint.html#a5d2f91bcfeda0300dc519429e871ff31"> 70</a></span>  <a class="code" href="group__sketch.html#gaad27ecad61ea382a4ea2f61366fdd1b3">ConstraintType</a> <a class="code" href="structvde_1_1sketch_1_1Constraint.html#a5d2f91bcfeda0300dc519429e871ff31">type</a>; </div>
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<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1Constraint.html#a84117061999964ad028555927a969c35"> 71</a></span>  std::vector<int> <a class="code" href="structvde_1_1sketch_1_1Constraint.html#a84117061999964ad028555927a969c35">elements</a>; </div>
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<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1Constraint.html#a091a4281a6a2760024c06b55a0778d2d"> 72</a></span>  <span class="keywordtype">double</span> <a class="code" href="structvde_1_1sketch_1_1Constraint.html#a091a4281a6a2760024c06b55a0778d2d">value</a> = 0.0; </div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> };</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
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<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SolverResult.html"> 79</a></span> <span class="keyword">struct </span><a class="code" href="structvde_1_1sketch_1_1SolverResult.html">SolverResult</a> {</div>
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<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SolverResult.html#a4534705cd9e13ad092d51a00c17cb3f7"> 80</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structvde_1_1sketch_1_1SolverResult.html#a4534705cd9e13ad092d51a00c17cb3f7">converged</a> = <span class="keyword">false</span>; </div>
|
||
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SolverResult.html#aa4bc55e6c1a6f14a6c53ec363f12168e"> 81</a></span>  <span class="keywordtype">int</span> <a class="code" href="structvde_1_1sketch_1_1SolverResult.html#aa4bc55e6c1a6f14a6c53ec363f12168e">iterations</a> = 0; </div>
|
||
<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SolverResult.html#a556b507d063c6c588784fade9885890b"> 82</a></span>  <span class="keywordtype">double</span> <a class="code" href="structvde_1_1sketch_1_1SolverResult.html#a556b507d063c6c588784fade9885890b">residual</a> = 0.0; </div>
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<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SolverResult.html#acea0835132af8532c6685b399a261bcf"> 83</a></span>  std::vector<Point2D> <a class="code" href="structvde_1_1sketch_1_1SolverResult.html#acea0835132af8532c6685b399a261bcf">points</a>; </div>
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<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="structvde_1_1sketch_1_1SolverResult.html#a73b4ec71c9e6ced2d0788f2b4de7656b"> 84</a></span>  std::string <a class="code" href="structvde_1_1sketch_1_1SolverResult.html#a73b4ec71c9e6ced2d0788f2b4de7656b">message</a>; </div>
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<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> };</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
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<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classvde_1_1sketch_1_1ConstraintSolver.html"> 124</a></span> <span class="keyword">class </span><a class="code" href="classvde_1_1sketch_1_1ConstraintSolver.html">ConstraintSolver</a> {</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00133"></a><span class="lineno"><a class="line" href="classvde_1_1sketch_1_1ConstraintSolver.html#a2e7b997e006b4daa6c2243bf2131fc85"> 133</a></span>  <span class="keywordtype">int</span> <a class="code" href="classvde_1_1sketch_1_1ConstraintSolver.html#a2e7b997e006b4daa6c2243bf2131fc85">add_point</a>(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">bool</span> fixed = <span class="keyword">false</span>);</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
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<div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="classvde_1_1sketch_1_1ConstraintSolver.html#ac19676b3a70a8fa2a5e0379f0c5f721c"> 141</a></span>  <span class="keywordtype">int</span> <a class="code" href="classvde_1_1sketch_1_1ConstraintSolver.html#ac19676b3a70a8fa2a5e0379f0c5f721c">add_line</a>(<span class="keywordtype">int</span> p0, <span class="keywordtype">int</span> p1);</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
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<div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="classvde_1_1sketch_1_1ConstraintSolver.html#ad4e765480991df078531640548ea665b"> 149</a></span>  <span class="keywordtype">int</span> <a class="code" href="classvde_1_1sketch_1_1ConstraintSolver.html#ad4e765480991df078531640548ea665b">add_circle</a>(<span class="keywordtype">int</span> center, <span class="keywordtype">double</span> radius);</div>
|
||
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
|
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<div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="classvde_1_1sketch_1_1ConstraintSolver.html#aa6842123b8a570cf802a26276a540d85"> 166</a></span>  <span class="keywordtype">void</span> <a class="code" href="classvde_1_1sketch_1_1ConstraintSolver.html#aa6842123b8a570cf802a26276a540d85">add_constraint</a>(<a class="code" href="group__sketch.html#gaad27ecad61ea382a4ea2f61366fdd1b3">ConstraintType</a> type, <span class="keyword">const</span> std::vector<int>& elements, <span class="keywordtype">double</span> val = 0.0);</div>
|
||
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
|
||
<div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="classvde_1_1sketch_1_1ConstraintSolver.html#a4053dee188a1d77c9633d7606e304dba"> 173</a></span>  <span class="keywordtype">void</span> <a class="code" href="classvde_1_1sketch_1_1ConstraintSolver.html#a4053dee188a1d77c9633d7606e304dba">fix_point</a>(<span class="keywordtype">int</span> pid) {</div>
|
||
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">if</span> (pid >= 0 && pid < <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(points_.size()))</div>
|
||
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  points_[pid].fixed = <span class="keyword">true</span>;</div>
|
||
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
|
||
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
|
||
<div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="classvde_1_1sketch_1_1ConstraintSolver.html#a4ee3bc183f2d651f89c584675b8c10d9"> 187</a></span>  [[nodiscard]] <a class="code" href="structvde_1_1sketch_1_1SolverResult.html">SolverResult</a> <a class="code" href="classvde_1_1sketch_1_1ConstraintSolver.html#a4ee3bc183f2d651f89c584675b8c10d9">solve</a>(<span class="keywordtype">int</span> max_iter = 100, <span class="keywordtype">double</span> tol = 1e-8);</div>
|
||
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
|
||
<div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classvde_1_1sketch_1_1ConstraintSolver.html#a91d17aa7e2f52755b4af5dd424b34120"> 195</a></span>  [[nodiscard]] <span class="keywordtype">int</span> <a class="code" href="classvde_1_1sketch_1_1ConstraintSolver.html#a91d17aa7e2f52755b4af5dd424b34120">degrees_of_freedom</a>() <span class="keyword">const</span>;</div>
|
||
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
|
||
<div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="classvde_1_1sketch_1_1ConstraintSolver.html#a9d03d290c64a652a98245552583919f9"> 201</a></span>  [[nodiscard]] <span class="keyword">const</span> std::vector<SketchPoint>& <a class="code" href="classvde_1_1sketch_1_1ConstraintSolver.html#a9d03d290c64a652a98245552583919f9">points</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> points_; }</div>
|
||
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  </div>
|
||
<div class="line"><a name="l00208"></a><span class="lineno"><a class="line" href="classvde_1_1sketch_1_1ConstraintSolver.html#a11d82c59907150da286cafe0f52cc62a"> 208</a></span>  [[nodiscard]] <a class="code" href="namespacevde_1_1core.html#a78483c599a40e4f333418667a77e3862">Point2D</a> <a class="code" href="classvde_1_1sketch_1_1ConstraintSolver.html#a11d82c59907150da286cafe0f52cc62a">get_point</a>(<span class="keywordtype">int</span> <span class="keywordtype">id</span>) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div>
|
||
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="keyword">private</span>:</div>
|
||
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  std::vector<SketchPoint> points_; </div>
|
||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  std::vector<SketchLine> lines_; </div>
|
||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  std::vector<SketchCircle> circles_; </div>
|
||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  std::vector<Constraint> constraints_; </div>
|
||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  </div>
|
||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordtype">void</span> sync_from_vars(<span class="keyword">const</span> <span class="keywordtype">double</span>* vars, <span class="keywordtype">int</span> nv);</div>
|
||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
|
||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordtype">double</span> eval_constraint(<span class="keyword">const</span> <a class="code" href="structvde_1_1sketch_1_1Constraint.html">Constraint</a>& c) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
|
||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordtype">int</span> count_equations(<span class="keyword">const</span> <a class="code" href="structvde_1_1sketch_1_1Constraint.html">Constraint</a>& c) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  </div>
|
||
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordtype">void</span> fill_jacobian_rows(<span class="keyword">const</span> <a class="code" href="structvde_1_1sketch_1_1Constraint.html">Constraint</a>& c, <span class="keywordtype">int</span> ci,</div>
|
||
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keyword">const</span> std::vector<int>& row_map,</div>
|
||
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordtype">double</span>* J_data, <span class="keywordtype">int</span> nv, <span class="keywordtype">int</span> stride) <span class="keyword">const</span>;</div>
|
||
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> };</div>
|
||
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  </div>
|
||
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> } <span class="comment">// namespace vde::sketch</span></div>
|
||
<div class="ttc" id="aclassvde_1_1sketch_1_1ConstraintSolver_html"><div class="ttname"><a href="classvde_1_1sketch_1_1ConstraintSolver.html">vde::sketch::ConstraintSolver</a></div><div class="ttdoc">二维几何约束求解器</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00124">constraint_solver.h:124</a></div></div>
|
||
<div class="ttc" id="aclassvde_1_1sketch_1_1ConstraintSolver_html_a11d82c59907150da286cafe0f52cc62a"><div class="ttname"><a href="classvde_1_1sketch_1_1ConstraintSolver.html#a11d82c59907150da286cafe0f52cc62a">vde::sketch::ConstraintSolver::get_point</a></div><div class="ttdeci">Point2D get_point(int id) const</div><div class="ttdoc">查询点坐标</div></div>
|
||
<div class="ttc" id="aclassvde_1_1sketch_1_1ConstraintSolver_html_a2e7b997e006b4daa6c2243bf2131fc85"><div class="ttname"><a href="classvde_1_1sketch_1_1ConstraintSolver.html#a2e7b997e006b4daa6c2243bf2131fc85">vde::sketch::ConstraintSolver::add_point</a></div><div class="ttdeci">int add_point(double x, double y, bool fixed=false)</div><div class="ttdoc">添加自由点</div></div>
|
||
<div class="ttc" id="aclassvde_1_1sketch_1_1ConstraintSolver_html_a4053dee188a1d77c9633d7606e304dba"><div class="ttname"><a href="classvde_1_1sketch_1_1ConstraintSolver.html#a4053dee188a1d77c9633d7606e304dba">vde::sketch::ConstraintSolver::fix_point</a></div><div class="ttdeci">void fix_point(int pid)</div><div class="ttdoc">标记点为固定（硬约束）</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00173">constraint_solver.h:173</a></div></div>
|
||
<div class="ttc" id="aclassvde_1_1sketch_1_1ConstraintSolver_html_a4ee3bc183f2d651f89c584675b8c10d9"><div class="ttname"><a href="classvde_1_1sketch_1_1ConstraintSolver.html#a4ee3bc183f2d651f89c584675b8c10d9">vde::sketch::ConstraintSolver::solve</a></div><div class="ttdeci">SolverResult solve(int max_iter=100, double tol=1e-8)</div><div class="ttdoc">执行约束求解</div></div>
|
||
<div class="ttc" id="aclassvde_1_1sketch_1_1ConstraintSolver_html_a91d17aa7e2f52755b4af5dd424b34120"><div class="ttname"><a href="classvde_1_1sketch_1_1ConstraintSolver.html#a91d17aa7e2f52755b4af5dd424b34120">vde::sketch::ConstraintSolver::degrees_of_freedom</a></div><div class="ttdeci">int degrees_of_freedom() const</div><div class="ttdoc">计算自由度</div></div>
|
||
<div class="ttc" id="aclassvde_1_1sketch_1_1ConstraintSolver_html_a9d03d290c64a652a98245552583919f9"><div class="ttname"><a href="classvde_1_1sketch_1_1ConstraintSolver.html#a9d03d290c64a652a98245552583919f9">vde::sketch::ConstraintSolver::points</a></div><div class="ttdeci">const std::vector< SketchPoint > & points() const</div><div class="ttdoc">当前点集访问</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00201">constraint_solver.h:201</a></div></div>
|
||
<div class="ttc" id="aclassvde_1_1sketch_1_1ConstraintSolver_html_aa6842123b8a570cf802a26276a540d85"><div class="ttname"><a href="classvde_1_1sketch_1_1ConstraintSolver.html#aa6842123b8a570cf802a26276a540d85">vde::sketch::ConstraintSolver::add_constraint</a></div><div class="ttdeci">void add_constraint(ConstraintType type, const std::vector< int > &elements, double val=0.0)</div><div class="ttdoc">添加约束</div></div>
|
||
<div class="ttc" id="aclassvde_1_1sketch_1_1ConstraintSolver_html_ac19676b3a70a8fa2a5e0379f0c5f721c"><div class="ttname"><a href="classvde_1_1sketch_1_1ConstraintSolver.html#ac19676b3a70a8fa2a5e0379f0c5f721c">vde::sketch::ConstraintSolver::add_line</a></div><div class="ttdeci">int add_line(int p0, int p1)</div><div class="ttdoc">添加线段</div></div>
|
||
<div class="ttc" id="aclassvde_1_1sketch_1_1ConstraintSolver_html_ad4e765480991df078531640548ea665b"><div class="ttname"><a href="classvde_1_1sketch_1_1ConstraintSolver.html#ad4e765480991df078531640548ea665b">vde::sketch::ConstraintSolver::add_circle</a></div><div class="ttdeci">int add_circle(int center, double radius)</div><div class="ttdoc">添加圆</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_gaad27ecad61ea382a4ea2f61366fdd1b3"><div class="ttname"><a href="group__sketch.html#gaad27ecad61ea382a4ea2f61366fdd1b3">vde::sketch::ConstraintType</a></div><div class="ttdeci">ConstraintType</div><div class="ttdoc">约束类型枚举</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00049">constraint_solver.h:49</a></div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3a06ce2a25e5d12c166a36f654dbea6012"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a06ce2a25e5d12c166a36f654dbea6012">vde::sketch::ConstraintType::Vertical</a></div><div class="ttdeci">@ Vertical</div><div class="ttdoc">垂直线: x1 - x0 = 0 [1 eq]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3a0aa6f4210bf373c95eda00232e93cd98"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a0aa6f4210bf373c95eda00232e93cd98">vde::sketch::ConstraintType::Distance</a></div><div class="ttdeci">@ Distance</div><div class="ttdoc">距离约束: |p1-p0| - d = 0 [1 eq]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3a2a0ef66f3350a0347070e69501922e27"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a2a0ef66f3350a0347070e69501922e27">vde::sketch::ConstraintType::FixedPoint</a></div><div class="ttdeci">@ FixedPoint</div><div class="ttdoc">固定点（硬约束，排除变量）[0 eq — 系统预处理]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3a4457d440870ad6d42bab9082d9bf9b61"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a4457d440870ad6d42bab9082d9bf9b61">vde::sketch::ConstraintType::Fixed</a></div><div class="ttdeci">@ Fixed</div><div class="ttdoc">固定点位置: x-x0=0, y-y0=0 [2 eqs]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3a45f4ce6c3306644b1efe333f4f8d6929"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a45f4ce6c3306644b1efe333f4f8d6929">vde::sketch::ConstraintType::Angle</a></div><div class="ttdeci">@ Angle</div><div class="ttdoc">角度约束: atan2(cross(d0,d1), dot(d0,d1)) - θ = 0 [1 eq]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3a541671cb1be09d76a84ba1a873ec3fc8"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a541671cb1be09d76a84ba1a873ec3fc8">vde::sketch::ConstraintType::Tangent</a></div><div class="ttdeci">@ Tangent</div><div class="ttdoc">相切 [1 eq]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3a75d5dcc04f38a8ba732bf65d0033af27"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a75d5dcc04f38a8ba732bf65d0033af27">vde::sketch::ConstraintType::EqualLength</a></div><div class="ttdeci">@ EqualLength</div><div class="ttdoc">等长度: |d0| - |d1| = 0 [1 eq]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3a81126870f8ecd751b93a0f51d10a8945"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a81126870f8ecd751b93a0f51d10a8945">vde::sketch::ConstraintType::Coincident</a></div><div class="ttdeci">@ Coincident</div><div class="ttdoc">两点重合: |p1-p0| = 0 [2 eqs: Δx=0, Δy=0]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3a98402eecfbcefc336954458a01752131"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3a98402eecfbcefc336954458a01752131">vde::sketch::ConstraintType::Parallel</a></div><div class="ttdeci">@ Parallel</div><div class="ttdoc">两线平行: cross(d0, d1) = 0 [1 eq]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3ac1b5fa03ecdb95d4a45dd1c40b02527f"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3ac1b5fa03ecdb95d4a45dd1c40b02527f">vde::sketch::ConstraintType::Horizontal</a></div><div class="ttdeci">@ Horizontal</div><div class="ttdoc">水平线: y1 - y0 = 0 [1 eq]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3acd8b3187c4074a4bb810f1fef79fd52a"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3acd8b3187c4074a4bb810f1fef79fd52a">vde::sketch::ConstraintType::Perpendicular</a></div><div class="ttdeci">@ Perpendicular</div><div class="ttdoc">两线垂直: dot(d0, d1) = 0 [1 eq]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3ad1106ccca74e98877ed6d7890c70bb2c"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3ad1106ccca74e98877ed6d7890c70bb2c">vde::sketch::ConstraintType::Radius</a></div><div class="ttdeci">@ Radius</div><div class="ttdoc">半径约束 [1 eq]</div></div>
|
||
<div class="ttc" id="agroup__sketch_html_ggaad27ecad61ea382a4ea2f61366fdd1b3ae02297ae7a55ef0dcf7f1aab456e9c14"><div class="ttname"><a href="group__sketch.html#ggaad27ecad61ea382a4ea2f61366fdd1b3ae02297ae7a55ef0dcf7f1aab456e9c14">vde::sketch::ConstraintType::Concentric</a></div><div class="ttdeci">@ Concentric</div><div class="ttdoc">同心 [2 eqs]</div></div>
|
||
<div class="ttc" id="anamespacevde_1_1core_html_a78483c599a40e4f333418667a77e3862"><div class="ttname"><a href="namespacevde_1_1core.html#a78483c599a40e4f333418667a77e3862">vde::core::Point2D</a></div><div class="ttdeci">foundation::Point2D Point2D</div><div class="ttdoc">双精度二维点（重新导出）</div><div class="ttdef"><b>Definition:</b> <a href="point_8h_source.html#l00029">point.h:29</a></div></div>
|
||
<div class="ttc" id="anamespacevde_1_1core_html_ad9a16d9a4c7eba0f41fd91110c8e6381"><div class="ttname"><a href="namespacevde_1_1core.html#ad9a16d9a4c7eba0f41fd91110c8e6381">vde::core::Vector2D</a></div><div class="ttdeci">foundation::Vector2D Vector2D</div><div class="ttdoc">双精度二维向量（重新导出）</div><div class="ttdef"><b>Definition:</b> <a href="point_8h_source.html#l00047">point.h:47</a></div></div>
|
||
<div class="ttc" id="anamespacevde_1_1sketch_html"><div class="ttname"><a href="namespacevde_1_1sketch.html">vde::sketch</a></div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00007">constraint_solver.h:7</a></div></div>
|
||
<div class="ttc" id="apoint_8h_html"><div class="ttname"><a href="point_8h.html">point.h</a></div></div>
|
||
<div class="ttc" id="astructvde_1_1sketch_1_1Constraint_html"><div class="ttname"><a href="structvde_1_1sketch_1_1Constraint.html">vde::sketch::Constraint</a></div><div class="ttdoc">约束实例</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00069">constraint_solver.h:69</a></div></div>
|
||
<div class="ttc" id="astructvde_1_1sketch_1_1Constraint_html_a091a4281a6a2760024c06b55a0778d2d"><div class="ttname"><a href="structvde_1_1sketch_1_1Constraint.html#a091a4281a6a2760024c06b55a0778d2d">vde::sketch::Constraint::value</a></div><div class="ttdeci">double value</div><div class="ttdoc">距离/角度值</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00072">constraint_solver.h:72</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1Constraint_html_a5d2f91bcfeda0300dc519429e871ff31"><div class="ttname"><a href="structvde_1_1sketch_1_1Constraint.html#a5d2f91bcfeda0300dc519429e871ff31">vde::sketch::Constraint::type</a></div><div class="ttdeci">ConstraintType type</div><div class="ttdoc">约束类型</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00070">constraint_solver.h:70</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1Constraint_html_a84117061999964ad028555927a969c35"><div class="ttname"><a href="structvde_1_1sketch_1_1Constraint.html#a84117061999964ad028555927a969c35">vde::sketch::Constraint::elements</a></div><div class="ttdeci">std::vector< int > elements</div><div class="ttdoc">引用的元素索引（点/线/圆 ID）</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00071">constraint_solver.h:71</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchCircle_html"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchCircle.html">vde::sketch::SketchCircle</a></div><div class="ttdoc">草图圆元素</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00034">constraint_solver.h:34</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchCircle_html_a37b622c720a9d414e0d0fb27a3f28520"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchCircle.html#a37b622c720a9d414e0d0fb27a3f28520">vde::sketch::SketchCircle::radius</a></div><div class="ttdeci">double radius</div><div class="ttdoc">半径</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00037">constraint_solver.h:37</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchCircle_html_a5f3fe16fd807834bc9767ea5379f66cf"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchCircle.html#a5f3fe16fd807834bc9767ea5379f66cf">vde::sketch::SketchCircle::id</a></div><div class="ttdeci">int id</div><div class="ttdoc">唯一标识</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00035">constraint_solver.h:35</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchCircle_html_a6e7e40a8971eccfeb07d32b7db8a9225"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchCircle.html#a6e7e40a8971eccfeb07d32b7db8a9225">vde::sketch::SketchCircle::center</a></div><div class="ttdeci">int center</div><div class="ttdoc">圆心点 ID</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00036">constraint_solver.h:36</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchLine_html"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchLine.html">vde::sketch::SketchLine</a></div><div class="ttdoc">草图线段元素</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00025">constraint_solver.h:25</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchLine_html_a120bc990adefeb2423eaf311f6db9673"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchLine.html#a120bc990adefeb2423eaf311f6db9673">vde::sketch::SketchLine::p1</a></div><div class="ttdeci">int p1</div><div class="ttdoc">起止点 ID</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00027">constraint_solver.h:27</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchLine_html_a9a776c571c882655ec4eec92d112febc"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchLine.html#a9a776c571c882655ec4eec92d112febc">vde::sketch::SketchLine::id</a></div><div class="ttdeci">int id</div><div class="ttdoc">唯一标识</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00026">constraint_solver.h:26</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchLine_html_afcffab563825b270b7693c486e573812"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchLine.html#afcffab563825b270b7693c486e573812">vde::sketch::SketchLine::p0</a></div><div class="ttdeci">int p0</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00027">constraint_solver.h:27</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchPoint_html"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchPoint.html">vde::sketch::SketchPoint</a></div><div class="ttdoc">草图点元素</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00015">constraint_solver.h:15</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchPoint_html_a2a487c20a03599cb94ec7538c3e354aa"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchPoint.html#a2a487c20a03599cb94ec7538c3e354aa">vde::sketch::SketchPoint::fixed</a></div><div class="ttdeci">bool fixed</div><div class="ttdoc">是否固定（排除自由度）</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00018">constraint_solver.h:18</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchPoint_html_a2bc08ef95871e0e8d72f8429f5a242c4"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchPoint.html#a2bc08ef95871e0e8d72f8429f5a242c4">vde::sketch::SketchPoint::pos</a></div><div class="ttdeci">Point2D pos</div><div class="ttdoc">2D 坐标</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00017">constraint_solver.h:17</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SketchPoint_html_acccc2685724fe5cb980e611418711204"><div class="ttname"><a href="structvde_1_1sketch_1_1SketchPoint.html#acccc2685724fe5cb980e611418711204">vde::sketch::SketchPoint::id</a></div><div class="ttdeci">int id</div><div class="ttdoc">唯一标识</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00016">constraint_solver.h:16</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SolverResult_html"><div class="ttname"><a href="structvde_1_1sketch_1_1SolverResult.html">vde::sketch::SolverResult</a></div><div class="ttdoc">求解器返回结果</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00079">constraint_solver.h:79</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SolverResult_html_a4534705cd9e13ad092d51a00c17cb3f7"><div class="ttname"><a href="structvde_1_1sketch_1_1SolverResult.html#a4534705cd9e13ad092d51a00c17cb3f7">vde::sketch::SolverResult::converged</a></div><div class="ttdeci">bool converged</div><div class="ttdoc">是否收敛</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00080">constraint_solver.h:80</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SolverResult_html_a556b507d063c6c588784fade9885890b"><div class="ttname"><a href="structvde_1_1sketch_1_1SolverResult.html#a556b507d063c6c588784fade9885890b">vde::sketch::SolverResult::residual</a></div><div class="ttdeci">double residual</div><div class="ttdoc">最终残差（均方根）</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00082">constraint_solver.h:82</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SolverResult_html_a73b4ec71c9e6ced2d0788f2b4de7656b"><div class="ttname"><a href="structvde_1_1sketch_1_1SolverResult.html#a73b4ec71c9e6ced2d0788f2b4de7656b">vde::sketch::SolverResult::message</a></div><div class="ttdeci">std::string message</div><div class="ttdoc">诊断信息（成功或失败原因）</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00084">constraint_solver.h:84</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SolverResult_html_aa4bc55e6c1a6f14a6c53ec363f12168e"><div class="ttname"><a href="structvde_1_1sketch_1_1SolverResult.html#aa4bc55e6c1a6f14a6c53ec363f12168e">vde::sketch::SolverResult::iterations</a></div><div class="ttdeci">int iterations</div><div class="ttdoc">实际迭代次数</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00081">constraint_solver.h:81</a></div></div>
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<div class="ttc" id="astructvde_1_1sketch_1_1SolverResult_html_acea0835132af8532c6685b399a261bcf"><div class="ttname"><a href="structvde_1_1sketch_1_1SolverResult.html#acea0835132af8532c6685b399a261bcf">vde::sketch::SolverResult::points</a></div><div class="ttdeci">std::vector< Point2D > points</div><div class="ttdoc">求解后的点坐标</div><div class="ttdef"><b>Definition:</b> <a href="constraint__solver_8h_source.html#l00083">constraint_solver.h:83</a></div></div>
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