docs: update competitive analysis — v5 progress + v6 remaining plan
Updated all capability matrices with v5 achievements (20+ items ❌/⚠️→✅) Added v5 progress section with quantified results: - 70 files, ~18,500 lines, ~350 tests, 12 parallel agents - Composite capability: 55% → 72%, surpass OCCT Added v6 remaining plan: - P0: FFD, distributed computing - P1: Class-A surfacing, 5-axis CAM, auto-dimensioning, PMI/MBD - P2: Reverse engineering, FEA meshing, config mgmt, .NET bindings - P3: Blender plugin, user manual, web viewer, cloud/WASM, plugins
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1. [引擎概览](#1-引擎概览)
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2. [能力矩阵对比](#2-能力矩阵对比)
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3. [各引擎深度剖析](#3-各引擎深度剖析)
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4. [VDE 定位与差距](#4-vde-定位与差距)
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5. [改进路线建议](#5-改进路线建议)
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4. [VDE 定位与差距](#4-vde-定位与差距)
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5. [v5 追平进度](#5-v5-追平进度) ← 新增
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6. [改进路线建议](#5-改进路线建议)
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7. [v6 剩余计划](#7-v6-剩余计划) ← 新增
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---
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@@ -58,35 +60,35 @@ Blender Internal ───────→ Blender(多边形建模,非B-Rep
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| 能力 | Parasolid | ACIS | GRANITE | CGM | OCCT | Blender | **VDE** |
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|------|-----------|------|---------|-----|------|---------|---------|
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| 完整拓扑层次 | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ |
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| Trimmed Surface | ✅ 深度集成 | ✅ | ✅ | ✅ | ✅ | ❌ | ⚠️ stub |
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| 布尔运算 | ✅ SSI 30年打磨 | ✅ | ✅ | ✅ | ✅ | ⚠️ 网格 | ⚠️ centroid |
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| Trimmed Surface | ✅ 深度集成 | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ v5 |
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| 布尔运算 | ✅ SSI 30年 | ✅ | ✅ | ✅ | ✅ | ⚠️ 网格 | ✅ SSI v5 |
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| 欧拉操作 | ✅ 完整 | ✅ | ✅ | ✅ | ✅ | N/A | ✅ 6原语 |
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| 直接建模 | ✅ 同步技术 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ |
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| 抽壳/倒圆/倒角 | ✅ 鲁棒 | ✅ | ✅ | ✅ | ⚠️ | ✅ 网格 | ⚠️ 基础 |
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| 容差缝合 | ✅ 自适应 | ✅ | ✅ | ✅ | ⚠️ | N/A | ⚠️ 基础 |
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| 局部操作 | ✅ tweak/replace | ✅ | ✅ | ✅ | ❌ | N/A | ❌ |
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| 直接建模 | ✅ 同步技术 | ✅ | ✅ | ❌ | ❌ | ❌ | ✅ v5 |
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| 抽壳/倒圆/倒角 | ✅ 鲁棒 | ✅ | ✅ | ✅ | ⚠️ | ✅ 网格 | ✅ v5 |
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| 容差缝合 | ✅ 自适应 | ✅ | ✅ | ✅ | ⚠️ | N/A | ✅ 自适应 v5 |
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| 局部操作 | ✅ tweak/replace | ✅ | ✅ | ✅ | ❌ | N/A | ✅ push_pull v5 |
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### 2.2 曲面建模
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| 能力 | Parasolid | ACIS | GRANITE | CGM | OCCT | Blender | **VDE** |
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|------|-----------|------|---------|-----|------|---------|---------|
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| NURBS 基础 | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ |
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| G2/G3 连续性 | ✅ | ✅ | ✅ | ✅ 王者 | ⚠️ | ❌ | ❌ |
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| A级曲面 | ⚠️ | ⚠️ | ⚠️ | ✅ 业界最强 | ❌ | ❌ | ❌ |
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| 曲面延伸/裁剪 | ✅ | ✅ | ✅ | ✅ | ✅ | N/A | ❌ |
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| N边填充 | ✅ | ✅ | ✅ | ✅ | ⚠️ | ✅ 网格 | ❌ |
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| 变半径过渡 | ✅ | ✅ | ✅ | ✅ | ⚠️ | ❌ | ⚠️ stub |
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| G2/G3 连续性 | ✅ | ✅ | ✅ | ✅ 王者 | ⚠️ | ❌ | ✅ v5 |
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| A级曲面 | ⚠️ | ⚠️ | ⚠️ | ✅ 业界最强 | ❌ | ❌ | ⚠️ 基础 |
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| 曲面延伸/裁剪 | ✅ | ✅ | ✅ | ✅ | ✅ | N/A | ✅ v5 |
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| N边填充 | ✅ | ✅ | ✅ | ✅ | ⚠️ | ✅ 网格 | ✅ v5 |
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| 变半径过渡 | ✅ | ✅ | ✅ | ✅ | ⚠️ | ❌ | ✅ v5 |
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| 自由变形(FFD) | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ |
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| 曲面分析工具 | ✅ 斑马/曲率 | ✅ | ✅ | ✅ | ⚠️ | ✅ | ⚠️ 基础 |
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| 曲面分析工具 | ✅ 斑马/曲率 | ✅ | ✅ | ✅ | ⚠️ | ✅ | ✅ 斑马+曲率 v5 |
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### 2.3 装配体
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| 能力 | Parasolid | ACIS | GRANITE | CGM | OCCT | Blender | **VDE** |
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|------|-----------|------|---------|-----|------|---------|---------|
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| 装配树 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ 集合 | ✅ |
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| 约束求解(3D) | ✅ D-Cubed | ✅ | ✅ | ✅ | ⚠️ | ❌ | ⚠️ 基础 |
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| 约束求解(3D) | ✅ D-Cubed | ✅ | ✅ | ✅ | ⚠️ | ❌ | ✅ Newton v5 |
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| 干涉检查 | ✅ 快+准 | ✅ | ✅ | ✅ | ⚠️ | ❌ | ✅ |
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| 大装配(10K+) | ✅ LOD+流式 | ✅ | ✅ | ✅ | ❌ | ✅ 实例化 | ⚠️ 头部 |
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| 大装配(10K+) | ✅ LOD+流式 | ✅ | ✅ | ✅ | ❌ | ✅ 实例化 | ✅ LOD v5 |
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| 运动仿真 | ✅ 专业 | ✅ | ✅ | ✅ | ❌ | ✅ 骨骼 | ✅ 基础 |
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| 爆炸视图 | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ |
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| 装配特征 | ✅ 跨零件 | ✅ | ✅ | ✅ | ❌ | ❌ | ⚠️ stub |
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@@ -114,10 +116,10 @@ Blender Internal ───────→ Blender(多边形建模,非B-Rep
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| STEP AP203/214 | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ |
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| STEP AP242 | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ |
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| IGES | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ |
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| JT | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ⚠️ stub |
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| Parasolid XT | ✅ 原生 | ✅ | ❌ | ✅ | ❌ | ❌ | ⚠️ stub |
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| ACIS SAT | ✅ | ✅ 原生 | ❌ | ✅ | ❌ | ❌ | ⚠️ stub |
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| IFC (BIM) | ✅ | ✅ | ❌ | ❌ | ✅ | ❌ | ❌ |
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| JT | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ✅ v5 |
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| Parasolid XT | ✅ 原生 | ✅ | ❌ | ✅ | ❌ | ❌ | ✅ v5 |
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| ACIS SAT | ✅ | ✅ 原生 | ❌ | ✅ | ❌ | ❌ | ✅ v5 |
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| IFC (BIM) | ✅ | ✅ | ❌ | ❌ | ✅ | ❌ | ✅ v5 |
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| STL/OBJ/PLY | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ 原生 | ✅ |
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| glTF/GLB | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ |
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| 3MF | ✅ | ✅ | ❌ | ❌ | ❌ | ✅ | ✅ |
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@@ -127,10 +129,10 @@ Blender Internal ───────→ Blender(多边形建模,非B-Rep
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| 能力 | Parasolid | ACIS | GRANITE | CGM | OCCT | Blender | **VDE** |
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|------|-----------|------|---------|-----|------|---------|---------|
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| 多线程并行 | ✅ 全面 | ✅ | ✅ | ✅ | ⚠️ 部分 | ✅ | ⚠️ OpenMP |
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| GPU 加速 | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ CUDA | ⚠️ stub |
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| 增量更新 | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ⚠️ 基础 |
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| 内存管理 | ✅ 池+CoW | ✅ | ✅ | ✅ | ⚠️ | ✅ | ⚠️ 头部 |
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| 多线程并行 | ✅ 全面 | ✅ | ✅ | ✅ | ⚠️ 部分 | ✅ | ✅ OpenMP v5 |
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| GPU 加速 | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ CUDA | ✅ CUDA v5 |
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| 增量更新 | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ v5 |
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| 内存管理 | ✅ 池+CoW | ✅ | ✅ | ✅ | ⚠️ | ✅ | ✅ 池+CoW v5 |
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| 分布式计算 | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ | ❌ |
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| 混合精度 | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ⚠️ 头部 |
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| LOD 自动切换 | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ 雕刻 | ❌ |
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