docs: doxygen annotations for curves + mesh + sketch
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@@ -8,8 +8,29 @@ using core::Point2D;
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using core::Point3D;
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using core::Vector3D;
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/// Constrained Delaunay Triangulation (CDT) in 2D
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/// Ensures specified constraint edges appear in the triangulation
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/**
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* @brief 约束 Delaunay 三角化(CDT)
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*
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* 在标准 Delaunay 三角化基础上强制指定的约束边必须出现在三角化中。
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* 通过边翻转(edge flip)反复消除与约束边相交的三角形边,直到所有
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* 约束边都成为三角形边。
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*
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* 约束边在输出三角化中一定存在(作为三角形边),但不保证满足
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* 空圆性质——靠近约束边的三角形可能违反 Delaunay 条件。
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*
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* @param points 输入 2D 点集
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* @param constraints 约束边列表,每项为 {起点索引, 终点索引}
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* @return DelaunayResult 含约束边的三角化结果
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*
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* @note 约束边不能相交(否则行为未定义);自相交约束需先分割交点
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* @code{.cpp}
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* // 带孔洞的三角化:约束边标记孔洞边界
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* auto result = constrained_delaunay_2d(points,
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* {{0,1}, {1,2}, {2,1}, {3,0}});
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* @endcode
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* @see delaunay_2d
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* @ingroup mesh
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*/
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DelaunayResult constrained_delaunay_2d(
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const std::vector<Point2D>& points,
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const std::vector<std::pair<int, int>>& constraints);
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