茂之钳
1e196473bc
- BomEntry struct: name, quantity, volume, total_volume - generate_bom(): recursive assembly traversal, same-name merging - 5 new tests, 26/26 passing
64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
#pragma once
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/**
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* @file measure.h
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* @brief B-Rep 测量工具
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*
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* 提供 B-Rep 实体的几何属性测量函数：
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* - 体积（散度定理）
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* - 表面积（三角剖分求和）
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* - 质心
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* - 两实体间最小距离
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* - 质量属性（惯性张量、回转半径）
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* - 装配体质量属性 + BOM 物料清单
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*
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* @ingroup brep
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*/
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#include "vde/brep/brep.h"
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#include "vde/brep/assembly.h"
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#include "vde/core/point.h"
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#include <Eigen/Dense>
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#include <string>
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#include <vector>
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namespace vde::brep {
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/// 质量属性结果：体积、质心、惯性张量、回转半径（ρ=1）
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struct MassProperties {
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double volume = 0.0;
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core::Point3D centroid{0, 0, 0};
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Eigen::Matrix3d inertia{Eigen::Matrix3d::Zero()};
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core::Vector3D gyration_radii{0, 0, 0};
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};
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/// BOM 条目：零件名 + 数量 + 体积
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struct BomEntry {
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std::string name;
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int quantity = 0;
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double volume = 0.0;
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double total_volume = 0.0;
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};
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// ── Basic measurements ──
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[[nodiscard]] double distance(const BrepModel& a, const BrepModel& b);
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[[nodiscard]] double surface_area(const BrepModel& body);
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[[nodiscard]] double volume(const BrepModel& body);
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[[nodiscard]] core::Point3D centroid(const BrepModel& body);
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// ── Mass properties ──
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[[nodiscard]] MassProperties mass_properties(const BrepModel& body);
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[[nodiscard]] MassProperties assembly_mass_properties(const AssemblyNode& node,
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const core::Transform3D& parent_tf = core::Transform3D::Identity());
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// ── Gap analysis ──
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[[nodiscard]] double clearance(const BrepModel& a, const BrepModel& b);
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// ── BOM ──
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/// 生成扁平合并的物料清单（按名称排序）
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[[nodiscard]] std::vector<BomEntry> generate_bom(const AssemblyNode& node);
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} // namespace vde::brep
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