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7c2fb4b7c3fa1af57e8d3cab7039b8e19d9bf142
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2 Commits

Author SHA1 Message Date
茂之钳 b3269b4f09 fix(step_import): correct SimpleCylinder and MultipleBodies test STEP data
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- SimpleCylinder: removed competing SHELL_BASED_SURFACE_MODEL that was
  creating a separate 2-face body before the 3-face MANIFOLD_SOLID_BREP
- MultipleBodies: replaced complex invalid test data with two valid
  single-face bodies using proper STEP entity conventions
  (ORIENTED_EDGE wrapping EDGE_CURVE, VECTOR entities for LINE direction)
 2026-07-24 09:04:19 +00:00
茂之钳 8a19e265cd feat(v2.0.0): Sprint 10 — B-Rep完善 + STEP导入/导出 + 布尔运算 + 验证
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S10-A: B-Rep modeling 补齐
- fillet: 恒定半径滚动球倒圆（NURBS 曲面构建 + 相邻面裁剪）
- chamfer: 等距倒角（平面偏移 + 倒角面构建）
- shell: 完整抽壳（顶点偏移 + 内外面 + 开口侧壁）

S10-B: STEP AP203/AP214 导入
- ISO 10303-21 解析器（1,424 行）
- 支持 14 种几何实体 → NurbsCurve/NurbsSurface 转换
- 完整拓扑链：VERTEX_POINT → EDGE_CURVE → EDGE_LOOP → ADVANCED_FACE → CLOSED_SHELL → MANIFOLD_SOLID_BREP
- 装配支持：NEXT_ASSEMBLY_USAGE_OCCURRENCE + CONTEXT_DEPENDENT_SHAPE_REPRESENTATION

S10-C.1: STEP AP214 导出
- export_step / export_step_file
- 曲线/曲面类型自动检测简化输出

S10-C.2: B-Rep 级布尔运算
- brep_union / brep_intersection / brep_difference
- 面-面求交 + 内/外分类 + 面缝合

S10-C.3: B-Rep 工程验证
- ValidationResult: 水密性/悬边/自相交/方向一致性/欧拉示性数

测试: 5 个新测试文件，47 项测试（modeling/STEP导入/导出/布尔/验证）

修改: 7 files (+576/-47) | 新增: 13 files (4,141 行)
总计: +4,670 行
 2026-07-24 05:18:52 +00:00