NavisworksTransport/doc/working/2026-05-27-auto-object-rotation-implementation-plan.md
tian 7187bcf622 自动最优朝向: 黑盒实测模式
- 新增 ObjectPassageProjectionOptimizer(SO(3)粗搜索+Nelder-Mead)
- EditRotationWindow 加入"自动调整"按钮
- AnimationControlViewModel 实现黑盒实测评估(临时摆位→读BoundingBox→恢复)
- 设计文档和实现计划
2026-05-27 12:24:01 +08:00

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# Auto Object Rotation Implementation Plan
> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
**Goal:** Add an automatic object rotation option that searches full 3D orientation space and minimizes passage cross-section projection area, preferring lower height when areas are close.
**Architecture:** Add a pure geometry optimizer under `src/Utils/CoordinateSystem` with deterministic candidate search and projection scoring. Wire it into `EditRotationWindow` through a small request/result context so the window stays reusable and writes the resulting host X/Y/Z correction into existing inputs.
**Tech Stack:** .NET Framework 4.8, C# 7.3, MSTest, `System.Numerics.Quaternion`.
---
### Task 1: Geometry Optimizer
**Files:**
- Create: `src/Utils/CoordinateSystem/ObjectPassageProjectionOptimizer.cs`
- Test: `UnitTests/CoordinateSystem/ObjectPassageProjectionOptimizerTests.cs`
- Modify: `TransportPlugin.csproj`
- Modify: `NavisworksTransport.UnitTests.csproj`
- [ ] Write failing tests for cross-section area scoring, height tie-break, deterministic output, and degenerate path directions.
- [ ] Run `./run-unit-tests.bat` and verify the new tests fail because the optimizer does not exist.
- [ ] Implement deterministic full-3D candidate search using quaternion candidates from axis permutations and Euler refinement.
- [ ] Run `./run-unit-tests.bat` and verify the new tests pass.
### Task 2: UI Context And Button
**Files:**
- Modify: `src/UI/WPF/Views/EditRotationWindow.xaml`
- Modify: `src/UI/WPF/Views/EditRotationWindow.xaml.cs`
- Modify: `src/UI/WPF/ViewModels/AnimationControlViewModel.cs`
- [ ] Add `ObjectPassageProjectionOptimizationRequest` construction in the ViewModel using current path start direction, object dimensions in model units, and `HostCoordinateAdapter`.
- [ ] Add an “自动调整” button in the adjustment window.
- [ ] On click, call the optimizer, update X/Y/Z text fields, and keep the dialog open for user review.
- [ ] Show a clear warning without changing values when optimization input is invalid.
### Task 3: Verification
**Files:**
- No new files.
- [ ] Run `./run-unit-tests.bat`.
- [ ] Run `./compile.bat`.
- [ ] Inspect `git diff` for unrelated changes and keep the change scoped.