Checkpoint animation rotation refactor state

AGENTS.md

@@ -308,6 +308,19 @@ double distance = GeometryHelper.Distance(pointA, pointB);
 - 需要坐标转换？→ 使用 `CoordinateConverter`
 - 需要路径相关工具？→ 使用 `PathHelper`
 
+#### 5. 临时定位代码必须回收
+
+为定位问题临时加入的兜底调用、强制刷新、额外同步、绕过分支等代码，如果后续确认**不是真正根因**，在根因修复后必须恢复或删除，不能把这类临时补丁长期保留在正式代码中。
+
+```csharp
+// ❌ 错误：为掩盖问题长期保留的强制调用
+DoNormalUpdate();
+ForceRefreshAgain(); // 只是为了“看起来好了”
+
+// ✅ 正确：先定位根因，再移除临时补丁
+DoNormalUpdate();
+```
+
 ### 单位系统 - 极其重要
 
 **所有网格地图和路径规划计算必须使用模型单位，严禁混用米制单位。**

TransportPlugin.csproj

@@ -334,11 +334,14 @@
     <Compile Include="src\Utils\CoordinateSystem\CoordinateSystemType.cs" />
     <Compile Include="src\Utils\CoordinateSystem\ICoordinateSystem.cs" />
     <Compile Include="src\Utils\CoordinateSystem\CanonicalBounds3.cs" />
+    <Compile Include="src\Utils\CoordinateSystem\LocalAxisPoseBuilder.cs" />
+    <Compile Include="src\Utils\CoordinateSystem\LocalEulerRotationCorrection.cs" />
     <Compile Include="src\Utils\CoordinateSystem\CanonicalPlanarPoseBuilder.cs" />
     <Compile Include="src\Utils\CoordinateSystem\CanonicalRailOffsetResolver.cs" />
     <Compile Include="src\Utils\CoordinateSystem\CanonicalRailPoseBuilder.cs" />
     <Compile Include="src\Utils\CoordinateSystem\CanonicalTrackedPositionResolver.cs" />
     <Compile Include="src\Utils\CoordinateSystem\ObjectSpaceOrientationHelper.cs" />
+    <Compile Include="src\Utils\CoordinateSystem\RotatedObjectExtentHelper.cs" />
     <Compile Include="src\Utils\CoordinateSystem\HostCoordinateAdapter.cs" />
     <Compile Include="src\Utils\CoordinateSystem\HoistingCoordinateHelper.cs" />
     <Compile Include="src\Utils\CoordinateSystem\LocalAxisDirection.cs" />

UnitTests/CoordinateSystem/CanonicalPlanarPoseBuilderTests.cs

@@ -1,5 +1,6 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using NavisworksTransport.Utils.CoordinateSystem;
+using System;
 using System.Numerics;
 
 namespace NavisworksTransport.UnitTests.CoordinateSystem
@@ -55,6 +56,52 @@ namespace NavisworksTransport.UnitTests.CoordinateSystem
             Assert.AreEqual(1.0, linear.M33, 1e-6);
         }
 
+        [TestMethod]
+        public void ZeroLocalEulerCorrection_ShouldMatchCurrentPlanarBaseline()
+        {
+            var convention = ModelAxisConvention.CreateDefaultForHost(CoordinateSystemType.ZUp);
+
+            Assert.IsTrue(CanonicalPlanarPoseBuilder.TryCreateQuaternionFromForward(
+                new Vector3(5, 0, 0),
+                Vector3.UnitZ,
+                convention,
+                out Quaternion baselineRotation));
+
+            Assert.IsTrue(CanonicalPlanarPoseBuilder.TryCreateQuaternionFromForward(
+                new Vector3(5, 0, 0),
+                Vector3.UnitZ,
+                convention,
+                LocalEulerRotationCorrection.Zero,
+                out Quaternion correctedRotation));
+
+            AssertQuaternionEquivalent(baselineRotation, correctedRotation);
+        }
+
+        [TestMethod]
+        public void LocalEulerCorrection_ShouldAlignCorrectedLocalForwardWithPlanarForward()
+        {
+            var convention = ModelAxisConvention.CreateDefaultForHost(CoordinateSystemType.ZUp);
+            var correction = new LocalEulerRotationCorrection(0.0, 0.0, 90.0);
+            var adapter = new HostCoordinateAdapter(CoordinateSystemType.ZUp);
+            Quaternion correctionQuaternion = adapter.CreateCanonicalRotationCorrection(correction);
+
+            Assert.IsTrue(CanonicalPlanarPoseBuilder.TryCreateQuaternionFromForward(
+                new Vector3(5, 0, 0),
+                Vector3.UnitZ,
+                convention,
+                correctionQuaternion,
+                out Quaternion rotation));
+
+            LocalAxisPoseBuilder.ApplyLocalPreRotation(convention, correctionQuaternion, out var correctedLocalForward, out var correctedLocalUp);
+            Matrix4x4 linear = Matrix4x4.CreateFromQuaternion(rotation);
+
+            Vector3 mappedForward = TransformLocalVector(linear, correctedLocalForward);
+            Vector3 mappedUp = TransformLocalVector(linear, correctedLocalUp);
+
+            AssertVector(mappedForward, 1, 0, 0);
+            AssertVector(mappedUp, 0, 0, 1);
+        }
+
         private static void AssertColumn(Matrix4x4 matrix, int column, double x, double y, double z)
         {
             switch (column)
@@ -79,5 +126,32 @@ namespace NavisworksTransport.UnitTests.CoordinateSystem
                     break;
             }
         }
+
+        private static void AssertVector(Vector3 actual, double x, double y, double z)
+        {
+            Assert.AreEqual(x, actual.X, 1e-6);
+            Assert.AreEqual(y, actual.Y, 1e-6);
+            Assert.AreEqual(z, actual.Z, 1e-6);
+        }
+
+        private static void AssertQuaternionEquivalent(Quaternion expected, Quaternion actual)
+        {
+            double dot = Math.Abs(
+                expected.X * actual.X +
+                expected.Y * actual.Y +
+                expected.Z * actual.Z +
+                expected.W * actual.W);
+
+            Assert.AreEqual(1.0, dot, 1e-6);
+        }
+
+        private static Vector3 TransformLocalVector(Matrix4x4 linear, Vector3 localVector)
+        {
+            Vector3 world = new Vector3(
+                linear.M11 * localVector.X + linear.M12 * localVector.Y + linear.M13 * localVector.Z,
+                linear.M21 * localVector.X + linear.M22 * localVector.Y + linear.M23 * localVector.Z,
+                linear.M31 * localVector.X + linear.M32 * localVector.Y + linear.M33 * localVector.Z);
+            return Vector3.Normalize(world);
+        }
     }
 }

UnitTests/CoordinateSystem/CanonicalRailPoseBuilderTests.cs

@@ -137,6 +137,34 @@ namespace NavisworksTransport.UnitTests.CoordinateSystem
             AssertVector(mappedUp, 0, 0, 1);
         }
 
+        [TestMethod]
+        public void LocalEulerCorrection_ShouldAlignCorrectedLocalForwardWithRailTangent()
+        {
+            var convention = ModelAxisConvention.CreateRailAssetConvention();
+            var correction = new LocalEulerRotationCorrection(0.0, 90.0, 0.0);
+            var adapter = new HostCoordinateAdapter(CoordinateSystemType.ZUp);
+            Quaternion correctionQuaternion = adapter.CreateCanonicalRotationCorrection(correction);
+
+            Assert.IsTrue(CanonicalRailPoseBuilder.TryCreateQuaternion(
+                new Vector3(0, 0, 0),
+                new Vector3(1, 0, 0),
+                new Vector3(2, 0, 0),
+                Vector3.UnitZ,
+                convention,
+                null,
+                correctionQuaternion,
+                out Quaternion rotation));
+
+            LocalAxisPoseBuilder.ApplyLocalPreRotation(convention, correctionQuaternion, out var correctedLocalForward, out var correctedLocalUp);
+            Matrix4x4 linear = Matrix4x4.CreateFromQuaternion(rotation);
+
+            Vector3 mappedForward = TransformLocalVector(linear, correctedLocalForward);
+            Vector3 mappedUp = TransformLocalVector(linear, correctedLocalUp);
+
+            AssertVector(mappedForward, 1, 0, 0);
+            AssertVector(mappedUp, 0, 0, 1);
+        }
+
         [TestMethod]
         public void PreferredNormal_ShouldOverrideCanonicalUpForRailFrame()
         {

UnitTests/CoordinateSystem/HostCoordinateAdapterTests.cs

@@ -1,6 +1,7 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
 using NavisworksTransport.Utils.CoordinateSystem;
 using System.Numerics;
+using System;
 using Autodesk.Navisworks.Api;
 
 namespace NavisworksTransport.UnitTests.CoordinateSystem
@@ -143,6 +144,20 @@ namespace NavisworksTransport.UnitTests.CoordinateSystem
             Assert.AreEqual(0.0000, hostLinear.M33, 1e-3);
         }
 
+        [TestMethod]
+        public void YUp_HostRotationCorrection_ShouldMapHostYAxisToCanonicalUp()
+        {
+            var adapter = new HostCoordinateAdapter(CoordinateSystemType.YUp);
+            var correction = new LocalEulerRotationCorrection(0.0, 90.0, 0.0);
+
+            Quaternion canonicalCorrection = adapter.CreateCanonicalRotationCorrection(correction);
+            Vector3 rotatedForward = Vector3.Transform(Vector3.UnitX, canonicalCorrection);
+
+            Assert.AreEqual(0.0, rotatedForward.X, 1e-6);
+            Assert.AreEqual(1.0, rotatedForward.Y, 1e-6);
+            Assert.AreEqual(0.0, rotatedForward.Z, 1e-6);
+        }
+
         private static void AssertPoint(Vector3 point, double x, double y, double z)
         {
             Assert.AreEqual(x, point.X, 1e-9);

UnitTests/CoordinateSystem/ObjectSpaceOrientationHelperTests.cs

@@ -36,5 +36,21 @@ namespace NavisworksTransport.UnitTests.CoordinateSystem
             Assert.AreEqual(0.0, up.Y, 1e-6);
             Assert.AreEqual(0.0, up.Z, 1e-6);
         }
+
+        [TestMethod]
+        public void TryCalculateAxes_ShouldReturnFalse_ForZeroLengthSegment()
+        {
+            var segmentDirection = Vector3.Zero;
+            var upReference = new Vector3(0f, 1f, 0f);
+
+            bool ok = ObjectSpaceOrientationHelper.TryCalculateAxes(
+                segmentDirection,
+                upReference,
+                out var axes);
+
+            Assert.IsFalse(ok);
+            Assert.AreEqual(Vector3.Zero, axes.right);
+            Assert.AreEqual(Vector3.Zero, axes.up);
+        }
     }
 }

deploy-plugin.bat

@@ -7,6 +7,21 @@ powershell -NoProfile -ExecutionPolicy Bypass -Command ^
   "$ErrorActionPreference = 'Stop';" ^
   "$targetDir = [System.IO.Path]::GetFullPath('%TARGET_DIR%');" ^
   "$buildDir = [System.IO.Path]::GetFullPath('%BUILD_DIR%');" ^
+  "$deployDllNames = @(" ^
+  "  'TransportPlugin.dll'," ^
+  "  'geometry4Sharp.dll'," ^
+  "  'Newtonsoft.Json.dll'," ^
+  "  'Roy-T.AStar.dll'," ^
+  "  'SQLite.Interop.dll'," ^
+  "  'System.Data.SQLite.dll'," ^
+  "  'Tomlyn.dll'" ^
+  ");" ^
+  "$stalePluginFiles = @(" ^
+  "  'Autodesk.Navisworks.Api.dll'," ^
+  "  'NavisworksTransport.UnitTests.dll'," ^
+  "  'Microsoft.VisualStudio.TestPlatform.TestFramework.dll'," ^
+  "  'Microsoft.VisualStudio.TestPlatform.TestFramework.Extensions.dll'" ^
+  ");" ^
   "function Test-FileUnlocked([string]$path) {" ^
   "  if (-not (Test-Path $path)) { return $true }" ^
   "  try {" ^
@@ -39,14 +54,22 @@ powershell -NoProfile -ExecutionPolicy Bypass -Command ^
   "foreach ($keyFile in $keyTargetFiles) { Wait-FileUnlocked $keyFile $deadline }" ^
   "" ^
   "New-Item -ItemType Directory -Force -Path $targetDir | Out-Null;" ^
-  "Copy-Item (Join-Path $buildDir '*.dll') $targetDir -Force;" ^
+  "foreach ($staleFileName in $stalePluginFiles) {" ^
+  "  $stalePath = Join-Path $targetDir $staleFileName;" ^
+  "  if (Test-Path $stalePath) { Remove-Item $stalePath -Force }" ^
+  "}" ^
+  "foreach ($dllName in $deployDllNames) {" ^
+  "  $sourceDll = Join-Path $buildDir $dllName;" ^
+  "  if (-not (Test-Path $sourceDll)) { throw ('Deployment source file missing: ' + $sourceDll) }" ^
+  "  Copy-Item $sourceDll $targetDir -Force;" ^
+  "}" ^
   "if (Test-Path (Join-Path $buildDir 'resources')) {" ^
   "  New-Item -ItemType Directory -Force -Path (Join-Path $targetDir 'resources') | Out-Null;" ^
   "  Copy-Item (Join-Path $buildDir 'resources\\*') (Join-Path $targetDir 'resources') -Recurse -Force;" ^
   "}" ^
   "" ^
   "$sourceFiles = @();" ^
-  "$sourceFiles += Get-ChildItem $buildDir -File -Filter '*.dll';" ^
+  "foreach ($dllName in $deployDllNames) { $sourceFiles += Get-Item (Join-Path $buildDir $dllName) }" ^
   "if (Test-Path (Join-Path $buildDir 'resources')) {" ^
   "  $sourceFiles += Get-ChildItem (Join-Path $buildDir 'resources') -File;" ^
   "}" ^

doc/design/2026/coordinate-system-canonical-space-design.md

@@ -41,6 +41,7 @@
 - Navisworks 世界坐标统一视为**外部坐标**
 - 程序内部统一使用一套**规范内部坐标**
 - 工程语义使用独立的**业务基准坐标**
+- 只有插件自带资源才允许引入**资产坐标系**
 - 坐标转换只发生在少数边界入口
 - 业务逻辑禁止直接依赖宿主坐标语义
 
@@ -95,6 +96,7 @@ flowchart LR
 特点：
 
 - 是程序的输入/输出坐标
+- UI 文本框、对话框、日志、鼠标拾取结果，统一按宿主坐标系解释和显示
 - 可能来自 `Y-up` 项目，也可能来自 `Z-up` 项目
 - 不应直接当成内部计算坐标
 
@@ -118,6 +120,29 @@ flowchart LR
 - 项目 up 方向的业务解释
 - 终端安装参考面
 - 轨道参考面
+
+### 3.2.1 术语约束
+
+后续文档、代码注释和日志中，统一使用以下说法：
+
+- **宿主坐标系（Host Space）**
+  - 指 Navisworks 文档坐标系
+  - `Y-up` / `Z-up` 的判断只属于这一层
+- **内部坐标系（Canonical Space）**
+  - 指程序内部统一使用的 `Z-up` 坐标系
+  - 仅供内部计算使用，禁止直接暴露给 UI
+- **资产坐标系（Asset Space）**
+  - 只用于插件自带资源
+  - 当前明确只有两类：`虚拟物体` 与 `单位圆柱体（参考杆资源）`
+  - 用于描述这些资源文件自身的 `Forward/Up/Side` 轴约定
+
+禁止继续使用含糊的“本地坐标系”说法，因为它容易混淆：
+
+- 宿主坐标系
+- 内部坐标系
+- 资产坐标系
+
+后续凡是 UI 输入/输出，必须明确是**宿主坐标系**语义；凡是姿态或几何内部计算，必须明确是**内部坐标系**语义；凡是虚拟物体/单位圆柱体资源朝向，必须明确是**资产坐标系**语义。
 - 业务锚点
 
 这层不能偷用世界原点，也不能偷用宿主世界轴。
@@ -154,24 +179,35 @@ flowchart LR
 
 都必须基于这组定义来解释，不能继续偷用“世界 Z 就是 up”的旧假设。
 
-### 3.4 模型局部轴约定是独立层
+### 3.4 资产坐标系是独立层
 
-除了宿主坐标系和内部统一坐标系，还必须区分**模型局部轴约定**。
+除了宿主坐标系和内部统一坐标系，还必须区分**资产坐标系**。
+
+注意，这一层**不是所有模型都有**。当前项目里只有插件自带资源需要它：
+
+- 虚拟物体资源
+- 单位圆柱体参考杆资源
 
 这是另一层独立定义，至少包含：
 
-- `LocalForwardAxis`
-- `LocalUpAxis`
+- `AssetForwardAxis`
+- `AssetUpAxis`
 
 例如：
 
-- 虚拟物体资源通常按程序约定构建，可能是 `Local X = Forward, Local Z = Up`
-- 真实模型如果来自 `Y-up` 项目，则很可能是 `Local X = Forward, Local Y = Up`
+- 虚拟物体资源通常按程序约定构建，可能是 `Asset X = Forward, Asset Z = Up`
+- 单位圆柱体参考杆资源当前约定为 `Asset X = 杆轴方向, Asset Z = 截面 Up`
+
+而对于客户真实模型：
+
+- 不单独引入“资产坐标系”概念
+- UI 和数据输入输出仍只认宿主坐标系
+- 内部算法如需统一姿态，先进入 Canonical Space，再叠加业务参考信息
 
 这意味着：
 
 - 即使宿主坐标系转换已经正确
-- 如果模型局部轴约定没有显式处理
+- 如果资产坐标系语义没有显式处理
 - 动画和姿态仍然会出现“路径对了、通行空间对了、模型自己站歪了”的现象
 
 因此，后续姿态系统必须显式区分：
@@ -179,7 +215,7 @@ flowchart LR
 1. 宿主坐标系定义
 2. 内部统一坐标系定义
 3. 业务基准定义
-4. 模型局部轴约定
+4. 资产坐标系约定（仅限虚拟物体和单位圆柱体等插件自带资源）
 
 ### 3.5 Rail 局部坐标系与动画跟踪点
 
@@ -599,6 +635,8 @@ WPF 插件的最终部署，必须依赖完整主项目构建产物，而不应
 - **Navisworks 世界坐标统一视为外部坐标**
 - **程序内部统一使用 Canonical Space（Z-up）**
 - **业务基准点单独建模**
+- **UI 输入输出统一使用宿主坐标系**
+- **资产坐标系只属于插件自带资源，不得泛化成“所有模型都有本地轴”**
 - **坐标转换只发生在边界层**
 
 这是一条更接近业界三维软件成熟做法的路线。

doc/requirement/todo_features.md

@@ -2,9 +2,14 @@
 
 ## 功能点
 
+### [2026/3/20]
+
+1. [x] （优化）实现Yup模型兼容
+2. [x] （功能）运动物体在起点支持三个方向的旋转
+
 ### [2026/3/18]
 
-1. [x]（功能）增加轨上路径（角度可倾斜）
+1. [x] （功能）增加终端仿真需要的轨上和轨下路径（角度可倾斜）
 
 ### [2026/3/11]
 

src/Core/Animation/PathAnimationManager.cs

@@ -88,12 +88,19 @@ namespace NavisworksTransport.Core.Animation
         }
     }
 
+    internal enum AnimatedObjectMode
+    {
+        None,
+        RealObject,
+        VirtualObject
+    }
+
     public class PathAnimationManager
     {
         private static PathAnimationManager _instance;
         private static readonly Dictionary<string, int> _animationHashToRecordId = new Dictionary<string, int>(); // 动画配置哈希到检测记录ID的映射
         private ModelItem _animatedObject;
-        private bool _isVirtualObject = false;  // 是否使用虚拟物体
+        private AnimatedObjectMode _animatedObjectMode = AnimatedObjectMode.None;
         private double _virtualObjectLength = 0;  // 虚拟物体长度（模型单位）
         private double _virtualObjectWidth = 0;   // 虚拟物体宽度（模型单位）
         private double _virtualObjectHeight = 0;  // 虚拟物体高度（模型单位）
@@ -105,7 +112,7 @@ namespace NavisworksTransport.Core.Animation
         private bool _manualCollisionOverrideEnabled = false;
 
         // === 角度修正 ===
-        private double _objectRotationCorrection = 0.0;  // 物体角度修正值（度，顺时针）
+        private LocalEulerRotationCorrection _objectRotationCorrection = LocalEulerRotationCorrection.Zero;  // 物体绕宿主 X/Y/Z 轴的角度修正
 
         // === 碰撞排除列表缓存管理（从LogisticsAnimationManager迁移）===
         private ModelItem _currentCachedAnimationObject;
@@ -182,6 +189,12 @@ namespace NavisworksTransport.Core.Animation
         private bool _savedObjectHasCustomRotation = false;
         private bool _hasSavedObjectState = false;
 
+        private bool IsVirtualObjectMode => _animatedObjectMode == AnimatedObjectMode.VirtualObject;
+        private bool IsRealObjectMode => _animatedObjectMode == AnimatedObjectMode.RealObject;
+
+        private ModelItem CurrentControlledObject =>
+            IsVirtualObjectMode ? VirtualObjectManager.Instance.CurrentVirtualObject : _animatedObject;
+
         /// <summary>
         /// 当前正在进行动画的对象
         /// </summary>
@@ -397,7 +410,7 @@ namespace NavisworksTransport.Core.Animation
 
                 // 🔥 支持虚拟物体的恢复
                 ModelItem objectToRestore = null;
-                bool isVirtual = _isVirtualObject;
+                bool isVirtual = IsVirtualObjectMode;
 
                 if (isVirtual)
                 {
@@ -458,7 +471,19 @@ namespace NavisworksTransport.Core.Animation
         public void SetAnimatedObject(ModelItem animatedObject)
         {
             _animatedObject = animatedObject;
-            _isVirtualObject = (animatedObject == null);
+            _animatedObjectMode = animatedObject == null
+                ? AnimatedObjectMode.None
+                : AnimatedObjectMode.RealObject;
+
+            if (animatedObject != null)
+            {
+                _originalTransform = animatedObject.Transform;
+                _originalCenter = animatedObject.BoundingBox().Center;
+                _trackedPosition = GetTrackedObjectPosition(animatedObject);
+                _currentYaw = ModelItemTransformHelper.GetYawFromTransform(_originalTransform);
+                _trackedRotation = _originalTransform.Factor().Rotation;
+                _hasTrackedRotation = true;
+            }
         }
 
         /// <summary>
@@ -467,7 +492,9 @@ namespace NavisworksTransport.Core.Animation
         /// </summary>
         public void SetVirtualObjectParameters(bool isVirtualObject, double length, double width, double height)
         {
-            _isVirtualObject = isVirtualObject;
+            _animatedObjectMode = isVirtualObject
+                ? AnimatedObjectMode.VirtualObject
+                : (_animatedObject != null ? AnimatedObjectMode.RealObject : AnimatedObjectMode.None);
             _virtualObjectLength = length;    // 模型单位
             _virtualObjectWidth = width;      // 模型单位
             _virtualObjectHeight = height;    // 模型单位
@@ -592,8 +619,8 @@ namespace NavisworksTransport.Core.Animation
             {
                 // 🔥 重要：先恢复物体到原始状态（CAD位置和原始朝向），确保每次计算都从相同的状态开始
                 // 这样可以避免之前旋转导致的包围盒尺寸计算不准确的问题
-                // 注意：也要处理虚拟物体（_isVirtualObject为true时_animatedObject可能为null）
-                if (_animatedObject != null || _isVirtualObject)
+                // 注意：也要处理虚拟物体（当前控制对象可能不在 _animatedObject 中）
+                if (CurrentControlledObject != null || IsVirtualObjectMode)
                 {
                     RestoreObjectToCADPosition();
                     LogManager.Info($"[移动到起点] 已恢复物体到原始状态, _currentYaw={_currentYaw * 180 / Math.PI:F2}°");
@@ -603,6 +630,12 @@ namespace NavisworksTransport.Core.Animation
                 if (animatedObject != null)
                 {
                     _animatedObject = animatedObject;
+                    bool isVirtualObject =
+                        VirtualObjectManager.Instance.IsVirtualObjectActive &&
+                        ReferenceEquals(animatedObject, VirtualObjectManager.Instance.CurrentVirtualObject);
+                    _animatedObjectMode = isVirtualObject
+                        ? AnimatedObjectMode.VirtualObject
+                        : AnimatedObjectMode.RealObject;
                     _originalTransform = animatedObject.Transform;
                     _originalCenter = animatedObject.BoundingBox().Center;
                     _trackedPosition = GetTrackedObjectPosition(animatedObject);
@@ -611,6 +644,9 @@ namespace NavisworksTransport.Core.Animation
                     _currentYaw = ModelItemTransformHelper.GetYawFromTransform(_originalTransform);
                     _trackedRotation = _originalTransform.Factor().Rotation;
                     _hasTrackedRotation = true;
+
+                    LogManager.Info(
+                        $"[移动到起点] 更新动画对象内部状态: 对象={animatedObject.DisplayName}, 虚拟物体={IsVirtualObjectMode}");
                 }
 
                 if (pathPoints != null)
@@ -629,7 +665,7 @@ namespace NavisworksTransport.Core.Animation
                 double pathDirectionYaw = Math.Atan2(_pathPoints[1].Y - _pathPoints[0].Y, _pathPoints[1].X - _pathPoints[0].X);
                 double yaw;
 
-                LogManager.Info($"[移动到起点] 路径方向yaw: {pathDirectionYaw * 180 / Math.PI:F2}度, 角度修正: {_objectRotationCorrection:F1}度");
+                LogManager.Info($"[移动到起点] 路径方向yaw: {pathDirectionYaw * 180 / Math.PI:F2}度, 角度修正: {_objectRotationCorrection}");
 
                 // 根据路径类型调整朝向
                 if (_route.PathType == PathType.Hoisting)
@@ -646,12 +682,12 @@ namespace NavisworksTransport.Core.Animation
                     LogManager.Debug($"[移动到起点] 地面/空轨路径使用路径方向: {yaw * 180 / Math.PI:F2}度");
                 }
 
-                // 应用角度修正值（顺时针，转换为弧度）
-                if (_objectRotationCorrection != 0.0)
+                // 旧 yaw 链仅保留给未进入完整三维姿态的遗留路径。
+                if (!_objectRotationCorrection.IsZero)
                 {
-                    double correctionRad = _objectRotationCorrection * Math.PI / 180.0;
+                    double correctionRad = _objectRotationCorrection.ZDegrees * Math.PI / 180.0;
                     yaw += correctionRad;
-                    LogManager.Debug($"[移动到起点] 应用角度修正: {_objectRotationCorrection:F1}°, 修正后yaw: {yaw * 180 / Math.PI:F2}度");
+                    LogManager.Debug($"[移动到起点] 应用遗留Z轴修正: {_objectRotationCorrection.ZDegrees:F1}°, 修正后yaw: {yaw * 180 / Math.PI:F2}度");
                 }
 
                 // 根据路径类型调整起点位置
@@ -1147,9 +1183,9 @@ namespace NavisworksTransport.Core.Animation
                             LogManager.Debug($"被撞物体位置：{GetObjectPosition(collider).X:F2},{GetObjectPosition(collider).Y:F2},{GetObjectPosition(collider).Z:F2}");
 
                             double actualYawRadians = yawRadians;
-                            if (!frame.HasCustomRotation && _objectRotationCorrection != 0.0)
+                            if (!frame.HasCustomRotation && !_objectRotationCorrection.IsZero)
                             {
-                                actualYawRadians += _objectRotationCorrection * Math.PI / 180.0;
+                                actualYawRadians += _objectRotationCorrection.ZDegrees * Math.PI / 180.0;
                             }
 
                             var collisionResult = new CollisionResult
@@ -1548,7 +1584,7 @@ namespace NavisworksTransport.Core.Animation
                 {
                     var firstFrame = _animationFrames[0];
 
-                    LogManager.Debug($"[动画开始] _currentYaw之前={_currentYaw * 180 / Math.PI:F2}度, _isVirtualObject={_isVirtualObject}");
+                    LogManager.Debug($"[动画开始] _currentYaw之前={_currentYaw * 180 / Math.PI:F2}度, 模式={_animatedObjectMode}");
 
                     // 🔥 确保物体在起点位置和朝向
                     // 注意：MoveObjectToPathStart 已在 StartAnimation 中调用，这里只是日志记录
@@ -1829,7 +1865,7 @@ namespace NavisworksTransport.Core.Animation
                             _detectionTolerance,
                             _currentRouteId,
                             _animatedObject,
-                            _isVirtualObject,
+                            IsVirtualObjectMode,
                             _animationFrameRate,
                             _animationDuration,
                             _virtualObjectLength,
@@ -2411,8 +2447,8 @@ namespace NavisworksTransport.Core.Animation
         {
             try
             {
-                bool isRailRealObject = _route?.PathType == PathType.Rail && !_isVirtualObject && _animatedObject != null;
-                if (_isVirtualObject)
+                bool isRailRealObject = _route?.PathType == PathType.Rail && IsRealObjectMode && _animatedObject != null;
+                if (IsVirtualObjectMode)
                 {
                     VirtualObjectManager.Instance.MoveVirtualObject(newPosition, newRotation);
                 }
@@ -2475,7 +2511,7 @@ namespace NavisworksTransport.Core.Animation
                 }
                 else if (_route?.PathType == PathType.Ground || _route?.PathType == PathType.Hoisting)
                 {
-                    LogHostActualPoseAxes(_isVirtualObject ? VirtualObjectManager.Instance.CurrentVirtualObject : _animatedObject, "[平面姿态应用后宿主姿态]", false);
+                    LogHostActualPoseAxes(CurrentControlledObject, "[平面姿态应用后宿主姿态]", false);
                 }
             }
             catch (Exception ex)
@@ -2688,7 +2724,7 @@ namespace NavisworksTransport.Core.Animation
                 return false;
             }
 
-            if (_isVirtualObject)
+            if (IsVirtualObjectMode)
             {
                 return VirtualObjectManager.Instance.IsVirtualObjectActive &&
                        ReferenceEquals(VirtualObjectManager.Instance.CurrentVirtualObject, obj);
@@ -2723,7 +2759,7 @@ namespace NavisworksTransport.Core.Animation
             try
             {
                 var originalAnimatedObject = _animatedObject;
-                if (!_isVirtualObject)
+                if (!IsVirtualObjectMode)
                 {
                     _animatedObject = obj;
                 }
@@ -3243,7 +3279,7 @@ namespace NavisworksTransport.Core.Animation
         /// </summary>
         private double GetAnimatedObjectHeight()
         {
-            if (_isVirtualObject)
+            if (IsVirtualObjectMode)
             {
                 return _virtualObjectHeight;
             }
@@ -3334,7 +3370,7 @@ namespace NavisworksTransport.Core.Animation
             
             _pathName = pathName;
             _currentRouteId = routeId;
-            _isVirtualObject = isVirtualObject;  // 设置是否使用虚拟物体
+            _animatedObjectMode = isVirtualObject ? AnimatedObjectMode.VirtualObject : AnimatedObjectMode.RealObject;
             _virtualObjectLength = virtualObjectLength;  // 模型单位
             _virtualObjectWidth = virtualObjectWidth;  // 模型单位
             _virtualObjectHeight = virtualObjectHeight;  // 模型单位
@@ -3351,12 +3387,12 @@ namespace NavisworksTransport.Core.Animation
 
                 // 保持当前的 _currentYaw（因为物体可能已经被 MoveObjectToPathStart 旋转）
                 // 不要从 Transform 中提取，因为 Transform 返回的是原始值，不是当前值
-                LogManager.Debug($"[CreateAnimation] 保持_currentYaw={_currentYaw * 180 / Math.PI:F2}度不变, _isVirtualObject={_isVirtualObject}");
+                LogManager.Debug($"[CreateAnimation] 保持_currentYaw={_currentYaw * 180 / Math.PI:F2}度不变, 模式={_animatedObjectMode}");
             }
 
             // 设置动画参数并预计算动画帧
             // 注意：物体应该在调用CreateAnimation之前已经通过MoveObjectToPathStart旋转到起点
-            LogManager.Debug($"[CreateAnimation开始] _currentYaw之前={_currentYaw * 180 / Math.PI:F2}度, _isVirtualObject={_isVirtualObject}");
+            LogManager.Debug($"[CreateAnimation开始] _currentYaw之前={_currentYaw * 180 / Math.PI:F2}度, 模式={_animatedObjectMode}");
             SetupAnimation(animatedObject, durationSeconds, _route);
             LogManager.Debug($"[CreateAnimation结束] _currentYaw之后={_currentYaw * 180 / Math.PI:F2}度");
             // 设置动画状态为Ready（动画已生成，可以播放）
@@ -3405,7 +3441,7 @@ namespace NavisworksTransport.Core.Animation
 
         private ModelAxisConvention GetCurrentRailModelAxisConvention()
         {
-            if (_isVirtualObject)
+            if (IsVirtualObjectMode)
             {
                 return ModelAxisConvention.CreateVirtualObjectAssetConvention();
             }
@@ -3413,14 +3449,14 @@ namespace NavisworksTransport.Core.Animation
             var adapter = CoordinateSystemManager.Instance.CreateHostAdapter();
             var convention = ModelAxisConvention.CreateDefaultForHost(adapter.HostType);
             LogManager.Info(
-                $"[Rail姿态修正] Host={adapter.HostType}, 虚拟物体={_isVirtualObject}, " +
+                $"[Rail姿态修正] Host={adapter.HostType}, 虚拟物体={IsVirtualObjectMode}, " +
                 $"Forward={convention.ForwardAxis}, Up={convention.UpAxis}");
             return convention;
         }
 
         private ModelAxisConvention GetCurrentModelAxisConvention()
         {
-            if (_isVirtualObject)
+            if (IsVirtualObjectMode)
             {
                 return ModelAxisConvention.CreateVirtualObjectAssetConvention();
             }
@@ -3487,6 +3523,7 @@ namespace NavisworksTransport.Core.Animation
             Vector3 canonicalPrevious = ToNumerics(adapter.ToCanonicalPoint(previousPoint));
             Vector3 canonicalCurrent = ToNumerics(adapter.ToCanonicalPoint(currentPoint));
             Vector3 canonicalNext = ToNumerics(adapter.ToCanonicalPoint(nextPoint));
+            Quaternion correctionQuaternion = adapter.CreateCanonicalRotationCorrection(_objectRotationCorrection);
 
             Vector3 forward = canonicalNext - canonicalPrevious;
             if (forward.LengthSquared() < 1e-6f)
@@ -3494,12 +3531,11 @@ namespace NavisworksTransport.Core.Animation
                 forward = canonicalNext - canonicalCurrent;
             }
 
-            forward = ApplyPlanarRotationCorrection(forward);
-
             if (!CanonicalPlanarPoseBuilder.TryCreateQuaternionFromForward(
                     forward,
                     HostCoordinateAdapter.CanonicalUpVector3,
                     convention,
+                    correctionQuaternion,
                     out var quaternion))
             {
                 return false;
@@ -3516,12 +3552,12 @@ namespace NavisworksTransport.Core.Animation
             var adapter = CoordinateSystemManager.Instance.CreateHostAdapter();
             var convention = GetCurrentModelAxisConvention();
             Vector3 canonicalForward = adapter.ToCanonicalVector3(new Vector3((float)hostForward.X, (float)hostForward.Y, (float)hostForward.Z));
-            canonicalForward = ApplyPlanarRotationCorrection(canonicalForward);
-
+            Quaternion correctionQuaternion = adapter.CreateCanonicalRotationCorrection(_objectRotationCorrection);
             if (!CanonicalPlanarPoseBuilder.TryCreateQuaternionFromForward(
                     canonicalForward,
                     HostCoordinateAdapter.CanonicalUpVector3,
                     convention,
+                    correctionQuaternion,
                     out var quaternion))
             {
                 return false;
@@ -3531,25 +3567,10 @@ namespace NavisworksTransport.Core.Animation
             return true;
         }
 
-        private Vector3 ApplyPlanarRotationCorrection(Vector3 canonicalForward)
-        {
-            if (Math.Abs(_objectRotationCorrection) < 1e-9)
-            {
-                return canonicalForward;
-            }
-
-            float correctionRadians = (float)(_objectRotationCorrection * Math.PI / 180.0);
-            Quaternion correction = Quaternion.CreateFromAxisAngle(
-                Vector3.Normalize(HostCoordinateAdapter.CanonicalUpVector3),
-                correctionRadians);
-            return Vector3.Transform(canonicalForward, correction);
-        }
-
         /// <summary>
-        /// 设置物体角度修正值（度，顺时针）
+        /// 设置物体绕宿主 X/Y/Z 轴的角度修正
         /// </summary>
-        /// <param name="rotationCorrection">角度修正值（度）</param>
-        public void SetObjectRotationCorrection(double rotationCorrection)
+        public void SetObjectRotationCorrection(LocalEulerRotationCorrection rotationCorrection)
         {
             _objectRotationCorrection = rotationCorrection;
 
@@ -3560,7 +3581,7 @@ namespace NavisworksTransport.Core.Animation
                 {
                     // 重新计算并应用朝向
                     MoveObjectToPathStart();
-                    LogManager.Info($"[角度修正] 物体角度已更新: {_objectRotationCorrection:F1}°");
+                    LogManager.Info($"[角度修正] 物体角度已更新: {_objectRotationCorrection}");
                 }
                 catch (Exception ex)
                 {
@@ -3570,13 +3591,36 @@ namespace NavisworksTransport.Core.Animation
         }
 
         /// <summary>
-        /// 直接设置物体角度修正值（不触发物体旋转）
+        /// 保留给旧单轴调用方：按当前宿主 up 轴映射成三轴角度修正。
         /// </summary>
-        /// <param name="rotationCorrection">角度修正值（度）</param>
-        public void SetObjectRotationCorrectionDirect(double rotationCorrection)
+        public void SetObjectRotationCorrection(double rotationCorrection)
+        {
+            SetObjectRotationCorrection(CreateLegacyUpAxisCorrection(rotationCorrection));
+        }
+
+        /// <summary>
+        /// 直接设置物体绕宿主 X/Y/Z 轴的角度修正（不触发物体旋转）
+        /// </summary>
+        public void SetObjectRotationCorrectionDirect(LocalEulerRotationCorrection rotationCorrection)
         {
             _objectRotationCorrection = rotationCorrection;
-            LogManager.Debug($"[角度修正] 直接设置角度修正值: {_objectRotationCorrection:F1}°（不触发旋转）");
+            LogManager.Debug($"[角度修正] 直接设置角度修正值: {_objectRotationCorrection}（不触发旋转）");
+        }
+
+        /// <summary>
+        /// 保留给旧单轴调用方：按当前宿主 up 轴映射成三轴角度修正。
+        /// </summary>
+        public void SetObjectRotationCorrectionDirect(double rotationCorrection)
+        {
+            SetObjectRotationCorrectionDirect(CreateLegacyUpAxisCorrection(rotationCorrection));
+        }
+
+        private LocalEulerRotationCorrection CreateLegacyUpAxisCorrection(double rotationCorrection)
+        {
+            var adapter = CoordinateSystemManager.Instance.CreateHostAdapter();
+            return adapter.HostType == CoordinateSystemType.YUp
+                ? new LocalEulerRotationCorrection(0.0, rotationCorrection, 0.0)
+                : new LocalEulerRotationCorrection(0.0, 0.0, rotationCorrection);
         }
 
         #region 动画实现方法
@@ -3732,11 +3776,6 @@ namespace NavisworksTransport.Core.Animation
             }
 
             double actualYaw = frameData.YawRadians;
-            if (_objectRotationCorrection != 0.0)
-            {
-                double correctionRad = _objectRotationCorrection * Math.PI / 180.0;
-                actualYaw += correctionRad;
-            }
 
             if (frameData.HasCustomRotation)
             {
@@ -3858,7 +3897,7 @@ namespace NavisworksTransport.Core.Animation
                 sb.Append("|");
 
                 // 包含角度修正（确保角度修正改变时重新检测）
-                sb.Append($"RotationCorrection:{_objectRotationCorrection:F2}deg");
+                sb.Append($"RotationCorrection:{_objectRotationCorrection}");
                 sb.Append("|");
 
                 // 包含手工检测对象列表（确保手工指定模式的目标变化时重新检测）

src/Core/PathPointRenderPlugin.cs

@@ -1886,6 +1886,19 @@ namespace NavisworksTransport
             {
                 var startPoint = sortedPoints[i];
                 var endPoint = sortedPoints[i + 1];
+                double segmentDx = endPoint.Position.X - startPoint.Position.X;
+                double segmentDy = endPoint.Position.Y - startPoint.Position.Y;
+                double segmentDz = endPoint.Position.Z - startPoint.Position.Z;
+                double segmentLength = Math.Sqrt(
+                    segmentDx * segmentDx +
+                    segmentDy * segmentDy +
+                    segmentDz * segmentDz);
+
+                if (segmentLength < 0.001)
+                {
+                    LogManager.Debug($"[路径渲染] 跳过零长度路径段: 索引={i}, 路径={visualization.PathRoute?.Name}");
+                    continue;
+                }
 
                 // 对于吊装路径，判断是否是垂直段和起吊/下降段
                 bool isVerticalSegment = false;
@@ -1911,11 +1924,7 @@ namespace NavisworksTransport
 
                     // 沿宿主 up 判断垂直段，避免把世界 Z 误当成向上轴
                     var hostUp = GetHostUpVector();
-                    double dx = endPoint.Position.X - startPoint.Position.X;
-                    double dy = endPoint.Position.Y - startPoint.Position.Y;
-                    double dz = endPoint.Position.Z - startPoint.Position.Z;
-                    double upDelta = dx * hostUp.X + dy * hostUp.Y + dz * hostUp.Z;
-                    double segmentLength = Math.Sqrt(dx * dx + dy * dy + dz * dz);
+                    double upDelta = segmentDx * hostUp.X + segmentDy * hostUp.Y + segmentDz * hostUp.Z;
                     double horizontalDist = Math.Sqrt(Math.Max(0.0, segmentLength * segmentLength - upDelta * upDelta));
                     // 如果沿宿主 up 的变化占主导（垂直段），或者是第一个/最后一个线段
                     bool isZDominant = Math.Abs(upDelta) > horizontalDist * 2.0;

src/Core/VirtualObjectManager.cs

@@ -213,7 +213,9 @@ namespace NavisworksTransport.Core
             try
             {
                 LogVirtualObjectGeometry("[虚拟物体姿态] 应用前");
-                ModelItemTransformHelper.MoveItemToPositionAndRotation(_virtualObjectModelItem, position, rotation);
+                // 虚拟物体当前尺寸是通过永久变换中的缩放实现的。
+                // 应用完整姿态时必须保留当前缩放，否则会破坏虚拟物体的资产姿态和几何语义。
+                ModelItemTransformHelper.MoveItemToPositionAndRotationWithCurrentScale(_virtualObjectModelItem, position, rotation);
                 var actualBounds = _virtualObjectModelItem.BoundingBox();
                 Point3D actualCenter = actualBounds?.Center ?? new Point3D(0, 0, 0);
                 LogManager.Info(

src/UI/WPF/ViewModels/AnimationControlViewModel.cs

@@ -4,6 +4,7 @@ using System.Collections.ObjectModel;
 using System.Collections.Specialized;
 using System.ComponentModel;
 using System.Linq;
+using System.Numerics;
 using System.Runtime.CompilerServices;
 using System.Threading.Tasks;
 using System.Windows;
@@ -355,7 +356,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
         private double _safetyMarginInMeters;  // 检测间隙（米），从路径编辑同步
 
         // 角度修正相关字段
-        private double _objectRotationCorrection;  // 物体角度修正值（度，顺时针）
+        private LocalEulerRotationCorrection _objectRotationCorrection = LocalEulerRotationCorrection.Zero;  // 物体绕宿主 X/Y/Z 轴的角度修正
 
         // 移动物体原始尺寸（米，在选择物体时保存）
         private double _objectOriginalLength;  // 物体原始长度（X方向）
@@ -708,8 +709,8 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                                 VirtualObjectLengthInMeters, VirtualObjectWidthInMeters, VirtualObjectHeightInMeters);
 
                             // 重置角度修正值（虚拟物体重新选择时重置）
-                            ObjectRotationCorrection = 0.0;
-                            LogManager.Debug($"[切换虚拟物体] 已重置角度修正值为0度");
+                            ObjectRotationCorrection = LocalEulerRotationCorrection.Zero;
+                            LogManager.Debug("[切换虚拟物体] 已重置角度修正值为0");
                             
                             // 当切换到虚拟物体模式时，根据路径类型打开通行空间可视化
                             UpdatePassageSpaceVisualization();
@@ -792,9 +793,9 @@ namespace NavisworksTransport.UI.WPF.ViewModels
         }
 
         /// <summary>
-        /// 物体角度修正值（度，顺时针）
+        /// 物体绕宿主 X/Y/Z 轴的角度修正。
         /// </summary>
-        public double ObjectRotationCorrection
+        public LocalEulerRotationCorrection ObjectRotationCorrection
         {
             get => _objectRotationCorrection;
             set
@@ -1261,8 +1262,8 @@ namespace NavisworksTransport.UI.WPF.ViewModels
             SelectAnimatedObjectCommand = new RelayCommand(() =>
 {
     // 重置角度修正值（每个物体的旋转独立）
-    ObjectRotationCorrection = 0.0;
-    LogManager.Debug($"[选择物体] 已重置角度修正值为0度");
+    ObjectRotationCorrection = LocalEulerRotationCorrection.Zero;
+    LogManager.Debug("[选择物体] 已重置角度修正值为0");
     ExecuteSelectAnimatedObject();
 });
             ClearAnimatedObjectCommand = new RelayCommand(ExecuteClearAnimatedObject, () => HasSelectedAnimatedObject);
@@ -1714,19 +1715,30 @@ namespace NavisworksTransport.UI.WPF.ViewModels
 
                 // 3. 设置新物体（会触发UpdatePassageSpaceVisualization）
                 SelectedAnimatedObject = newObject;
+                _pathAnimationManager?.SetAnimatedObject(newObject);
                 LogManager.Info($"已选择移动物体: {SelectedAnimatedObject.DisplayName}");
 
+                // 选择实体物体意味着切换到实体模式，避免后续起点同步仍走虚拟物体分支。
+                if (UseVirtualObject)
+                {
+                    UseVirtualObject = false;
+                    LogManager.Debug("[选择物体] 已切换到实体物体模式");
+                }
+
                 // 只有选择不同的物体时，才重置角度修正值
                 if (!isSameObject)
                 {
                     // 重置 ViewModel 中的角度修正值（会自动同步到 PathAnimationManager）
-                    ObjectRotationCorrection = 0.0;
-                    LogManager.Debug($"[选择物体] 已重置角度修正值为0度（新物体）");
+                    ObjectRotationCorrection = LocalEulerRotationCorrection.Zero;
+                    LogManager.Debug("[选择物体] 已重置角度修正值为0（新物体）");
                 }
                 else
                 {
                     LogManager.Debug($"[选择物体] 保持当前角度修正值（同一物体）");
                 }
+
+                // 显式同步一次到当前路径起点，避免依赖 setter 分支导致真实物体停留在 CAD 原位。
+                MoveAnimatedObjectToPathStart();
             }
             catch (Exception ex)
             {
@@ -2151,8 +2163,8 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                 }
 
                 // 2. 重置角度修正值为0
-                ObjectRotationCorrection = 0.0;
-                LogManager.Debug("[清除物体] 已重置角度修正值为0度");
+                ObjectRotationCorrection = LocalEulerRotationCorrection.Zero;
+                LogManager.Debug("[清除物体] 已重置角度修正值为0");
 
                 // 3. 重置属性
                 SelectedAnimatedObject = null;
@@ -2182,9 +2194,9 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                 var dialog = new Views.EditRotationWindow(_objectRotationCorrection);
                 if (dialog.ShowDialog() == true)
                 {
-                    ObjectRotationCorrection = dialog.RotationAngle;
-                    LogManager.Info($"物体角度修正已更新: {_objectRotationCorrection:F1}°");
-                    UpdateMainStatus($"物体角度修正: {_objectRotationCorrection:F1}°");
+                    ObjectRotationCorrection = dialog.RotationCorrection;
+                    LogManager.Info($"物体角度修正已更新: {_objectRotationCorrection}");
+                    UpdateMainStatus($"物体角度修正: {_objectRotationCorrection}");
                     
                     // 应用角度修正到物体
                     UpdateObjectRotation();
@@ -2211,7 +2223,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                 {
                     // 将角度修正传递给动画管理器
                     _pathAnimationManager.SetObjectRotationCorrection(_objectRotationCorrection);
-                    LogManager.Debug($"[角度修正] 已更新物体旋转: {_objectRotationCorrection:F1}°");
+                    LogManager.Debug($"[角度修正] 已更新物体旋转: {_objectRotationCorrection}");
                 }
             }
             catch (Exception ex)
@@ -3191,7 +3203,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                 IsVirtualObject = UseVirtualObject,
                 AnimatedObjectName = UseVirtualObject ? "虚拟物体" : SelectedAnimatedObject?.DisplayName,
                 DetectAllObjects = !IsManualCollisionTargetEnabled,
-                ObjectRotationCorrection = _objectRotationCorrection,
+                ObjectRotationCorrection = _objectRotationCorrection.ZDegrees,
                 Description = $"{scenarioName}于 {DateTime.Now:yyyy-MM-dd HH:mm:ss}",
                 TestName = testName,
                 TestTime = DateTime.Now,
@@ -3356,7 +3368,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                     UseVirtualObject ? VirtualObjectLengthInMeters * factor : (double?)null,  // 米 → 模型单位
                     UseVirtualObject ? VirtualObjectWidthInMeters * factor : (double?)null,
                     UseVirtualObject ? VirtualObjectHeightInMeters * factor : (double?)null,
-                    _objectRotationCorrection,
+                    _objectRotationCorrection.ZDegrees,
                     IsManualCollisionTargetEnabled
                 );
 
@@ -4302,54 +4314,56 @@ namespace NavisworksTransport.UI.WPF.ViewModels
         }
 
         /// <summary>
-        /// 计算旋转后的有效宽度和长度
+        /// 计算本地三轴预旋转后的有效尺寸
         /// 返回值为模型单位（与Navisworks API一致）
         /// </summary>
-        /// <returns>(有效宽度, 有效长度) - 模型单位</returns>
-        private (double effectiveWidth, double effectiveLength) CalculateRotatedDimensions()
+        /// <returns>(沿路径, 垂直路径, 法线) - 模型单位</returns>
+        private (double effectiveAlongPath, double effectiveAcrossPath, double effectiveNormalToPath) CalculateRotatedDimensions()
         {
-            double baseLengthMeters, baseWidthMeters;
+            double forwardSize;
+            double sideSize;
+            double upSize;
+            ModelAxisConvention axisConvention;
 
             if (UseVirtualObject)
             {
-                baseLengthMeters = VirtualObjectLengthInMeters;
-                baseWidthMeters = VirtualObjectWidthInMeters;
+                double metersToUnits = UnitsConverter.GetMetersToUnitsConversionFactor();
+                forwardSize = VirtualObjectLengthInMeters * metersToUnits;
+                sideSize = VirtualObjectWidthInMeters * metersToUnits;
+                upSize = VirtualObjectHeightInMeters * metersToUnits;
+                axisConvention = ModelAxisConvention.CreateVirtualObjectAssetConvention();
             }
             else if (SelectedAnimatedObject != null)
             {
-                // 使用保存的原始尺寸（米），避免物体旋转后包围盒尺寸变化
-                baseLengthMeters = _objectOriginalLength;
-                baseWidthMeters = _objectOriginalWidth;
+                double metersToUnits = UnitsConverter.GetMetersToUnitsConversionFactor();
+                forwardSize = _objectOriginalLength * metersToUnits;
+                sideSize = _objectOriginalWidth * metersToUnits;
+                upSize = _objectOriginalHeight * metersToUnits;
+
+                var adapter = CoordinateSystemManager.Instance.CreateHostAdapter();
+                axisConvention = CurrentPathRoute?.PathType == NavisworksTransport.PathType.Rail
+                    ? ModelAxisConvention.CreateRailAssetConvention()
+                    : ModelAxisConvention.CreateDefaultForHost(adapter.HostType);
             }
             else
             {
-                return (0, 0);
+                return (0, 0, 0);
             }
 
-            // 转换为模型单位
-            var metersToUnits = UnitsConverter.GetMetersToUnitsConversionFactor();
-            double baseLength = baseLengthMeters * metersToUnits;
-            double baseWidth = baseWidthMeters * metersToUnits;
+            Quaternion correctionQuaternion = CoordinateSystemManager.Instance.CreateHostAdapter()
+                .CreateCanonicalRotationCorrection(_objectRotationCorrection);
+            var result = RotatedObjectExtentHelper.CalculateProjectedSemanticExtents(
+                axisConvention,
+                forwardSize,
+                sideSize,
+                upSize,
+                correctionQuaternion);
+            double unitsToMeters = UnitsConverter.GetUnitsToMetersConversionFactor();
+            LogManager.Debug(
+                $"[角度修正] 旋转后尺寸: 原始({forwardSize * unitsToMeters:F2}m×{sideSize * unitsToMeters:F2}m×{upSize * unitsToMeters:F2}m) -> " +
+                $"有效({result.forwardExtent * unitsToMeters:F2}m×{result.sideExtent * unitsToMeters:F2}m×{result.upExtent * unitsToMeters:F2}m), 角度={_objectRotationCorrection}");
 
-            // 如果没有角度修正，直接返回原始尺寸
-            if (_objectRotationCorrection == 0.0)
-            {
-                return (baseWidth, baseLength);
-            }
-
-            // 计算旋转后的有效尺寸（投影）
-            double rotationRad = _objectRotationCorrection * Math.PI / 180.0;
-            double cos = Math.Abs(Math.Cos(rotationRad));
-            double sin = Math.Abs(Math.Sin(rotationRad));
-
-            // 旋转后的宽度 = |宽度*cos| + |长度*sin|
-            double effectiveWidth = baseWidth * cos + baseLength * sin;
-            // 旋转后的长度 = |长度*cos| + |宽度*sin|
-            double effectiveLength = baseLength * cos + baseWidth * sin;
-
-            LogManager.Debug($"[角度修正] 旋转后尺寸: 原始({baseLengthMeters:F2}m×{baseWidthMeters:F2}m) -> 有效({effectiveLength / metersToUnits:F2}m×{effectiveWidth / metersToUnits:F2}m), 角度={_objectRotationCorrection:F1}°");
-
-            return (effectiveWidth, effectiveLength);
+            return result;
         }
 
         /// <summary>
@@ -4368,7 +4382,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                 }
 
                 // 计算旋转后的有效尺寸（考虑角度修正）
-                (double effectiveWidth, double effectiveLength) = CalculateRotatedDimensions();
+                (double effectiveLength, double effectiveWidth, double effectiveHeight) = CalculateRotatedDimensions();
 
                 var renderPlugin = PathPointRenderPlugin.Instance;
                 if (renderPlugin == null)
@@ -4383,8 +4397,6 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                 // 将安全间隙从米转换为模型单位
                 var metersToUnitsPassage = UnitsConverter.GetMetersToUnitsConversionFactor();
                 double safetyMargin = _safetyMarginInMeters * metersToUnitsPassage;
-                double virtualObjectHeight = VirtualObjectHeightInMeters * metersToUnitsPassage;
-
                 if (UseVirtualObject)
                 {
                     // 虚拟物体的xyz定义：X方向 = 长度（前进方向），Y方向 = 宽度（侧面），Z方向 = 高度
@@ -4392,11 +4404,11 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                     {
                         // 空中路径（空轨或吊装）：高度上下都加间隙
                         passageAcrossPath = effectiveWidth + 2 * safetyMargin; // 旋转后宽度 + 2*间隙（垂直于路径方向）
-                        passageNormalToPath = virtualObjectHeight + 2 * safetyMargin; // Z方向（高度）+ 2*间隙（法线方向）
+                        passageNormalToPath = effectiveHeight + 2 * safetyMargin; // 法线方向高度 + 2*间隙
                         passageAlongPath = effectiveLength; // 旋转后长度（沿路径方向）
                         // 吊装路径分段参数
                         passageNormalToPathVertical = effectiveLength + 2 * safetyMargin; // 垂直段：物体长度 + 2*间隙
-                        passageNormalToPathHorizontal = virtualObjectHeight + 2 * safetyMargin; // 水平段：物体高度 + 2*间隙
+                        passageNormalToPathHorizontal = effectiveHeight + 2 * safetyMargin; // 水平段：物体高度 + 2*间隙
                         LogManager.Debug($"[通行空间可视化] 空中路径使用虚拟物体尺寸: 有效长度={effectiveLength / metersToUnitsPassage:F2}m, 有效宽度={effectiveWidth / metersToUnitsPassage:F2}m, 通行空间沿路径={passageAlongPath / metersToUnitsPassage:F2}m, 垂直路径={passageAcrossPath / metersToUnitsPassage:F2}m, 法线={passageNormalToPath / metersToUnitsPassage:F2}m");
                     }
                     else if (CurrentPathRoute.PathType == NavisworksTransport.PathType.Ground)
@@ -4404,7 +4416,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                         // 地面路径：物体的长度方向（X轴，前进方向）朝向路径方向
                         // 通行空间沿路径方向 = X方向尺寸（长度），垂直于路径方向 = Y方向尺寸（宽度），高度上方加间隙（下方不需要，因为有地面）
                         passageAcrossPath = effectiveWidth + 2 * safetyMargin; // 旋转后宽度 + 2*间隙（垂直于路径方向）
-                        passageNormalToPath = virtualObjectHeight + safetyMargin; // Z方向（高度）+ 间隙（法线方向，只有上方）
+                        passageNormalToPath = effectiveHeight + safetyMargin; // 法线方向高度 + 间隙（法线方向，只有上方）
                         passageAlongPath = effectiveLength; // 旋转后长度（沿路径方向）
                         // 地面路径不需要分段参数
                         passageNormalToPathVertical = passageNormalToPath;
@@ -4419,7 +4431,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                         // - 轨下安装：顶面贴路径，底面留间隙
                         // - 轨上安装：底面贴路径，顶面留间隙
                         passageAcrossPath = effectiveWidth + 2 * safetyMargin; // 旋转后宽度 + 2*间隙（垂直于路径方向）
-                        passageNormalToPath = virtualObjectHeight + safetyMargin; // 法线方向单侧留间隙
+                        passageNormalToPath = effectiveHeight + safetyMargin; // 法线方向单侧留间隙
                         passageAlongPath = effectiveLength; // 旋转后长度（沿路径方向）
                         // 空轨路径不需要分段参数
                         passageNormalToPathVertical = passageNormalToPath;
@@ -4429,26 +4441,18 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                 }
                 else if (SelectedAnimatedObject != null)
                 {
-                    // 使用选择物体的局部轴语义尺寸（模型单位）
-                    var bbox = SelectedAnimatedObject.BoundingBox();
-                    var adapter = CoordinateSystemManager.Instance.CreateHostAdapter();
-                    var axisConvention = ModelAxisConvention.CreateDefaultForHost(adapter.HostType);
-                    double sizeAlongPath = axisConvention.GetForwardSize(bbox);
-                    double sizeAcrossPath = axisConvention.GetSideSize(bbox);
-                    double sizeNormalToPath = axisConvention.GetUpSize(bbox);
-
                     // 根据路径类型确定通行空间的尺寸
                     if (CurrentPathRoute.PathType == NavisworksTransport.PathType.Rail || CurrentPathRoute.PathType == NavisworksTransport.PathType.Hoisting)
                     {
                         // 空中路径（空轨或吊装）：
                         // 高度上下都加间隙
                         passageAcrossPath = effectiveWidth + 2 * safetyMargin;   // 旋转后宽度 + 2*间隙（垂直于路径方向）
-                        passageNormalToPath = sizeNormalToPath + 2 * safetyMargin;  // 局部up方向高度 + 2*间隙（法线方向）
+                        passageNormalToPath = effectiveHeight + 2 * safetyMargin;  // 局部up方向高度 + 2*间隙（法线方向）
                         passageAlongPath = effectiveLength;  // 旋转后长度（沿路径方向）
                         // 吊装路径分段参数
                         passageNormalToPathVertical = effectiveLength + 2 * safetyMargin; // 垂直段：物体长度 + 2*间隙
-                        passageNormalToPathHorizontal = sizeNormalToPath + 2 * safetyMargin; // 水平段：物体高度 + 2*间隙
-                        LogManager.Debug($"[通行空间可视化] 空中路径使用物体尺寸 ({SelectedAnimatedObject.DisplayName}): 局部长度={sizeAlongPath / metersToUnitsPassage:F2}m, 局部宽度={sizeAcrossPath / metersToUnitsPassage:F2}m, 局部高度={sizeNormalToPath / metersToUnitsPassage:F2}m, 有效长度={effectiveLength / metersToUnitsPassage:F2}m, 有效宽度={effectiveWidth / metersToUnitsPassage:F2}m, 通行空间沿路径={passageAlongPath / metersToUnitsPassage:F2}m, 垂直路径={passageAcrossPath / metersToUnitsPassage:F2}m, 法线={passageNormalToPath / metersToUnitsPassage:F2}m");
+                        passageNormalToPathHorizontal = effectiveHeight + 2 * safetyMargin; // 水平段：物体高度 + 2*间隙
+                        LogManager.Debug($"[通行空间可视化] 空中路径使用物体尺寸 ({SelectedAnimatedObject.DisplayName}): 有效长度={effectiveLength / metersToUnitsPassage:F2}m, 有效宽度={effectiveWidth / metersToUnitsPassage:F2}m, 有效高度={effectiveHeight / metersToUnitsPassage:F2}m, 通行空间沿路径={passageAlongPath / metersToUnitsPassage:F2}m, 垂直路径={passageAcrossPath / metersToUnitsPassage:F2}m, 法线={passageNormalToPath / metersToUnitsPassage:F2}m");
                     }
                     else if (CurrentPathRoute.PathType == NavisworksTransport.PathType.Ground)
                     {
@@ -4456,12 +4460,12 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                         // 物体的长度方向（X轴，前进方向）朝向路径方向
                         // 通行空间沿路径方向 = X方向尺寸（长度），垂直于路径方向 = Y方向尺寸（宽度），高度上方加间隙（下方不需要，因为有地面）
                         passageAcrossPath = effectiveWidth + 2 * safetyMargin;   // 旋转后宽度 + 2*间隙（垂直于路径方向）
-                        passageNormalToPath = sizeNormalToPath + safetyMargin;  // 局部up方向高度 + 间隙（法线方向，只有上方）
+                        passageNormalToPath = effectiveHeight + safetyMargin;  // 局部up方向高度 + 间隙（法线方向，只有上方）
                         passageAlongPath = effectiveLength;  // 旋转后长度（沿路径方向）
                         // 地面路径不需要分段参数
                         passageNormalToPathVertical = passageNormalToPath;
                         passageNormalToPathHorizontal = passageNormalToPath;
-                        LogManager.Debug($"[通行空间可视化] 地面路径使用物体尺寸 ({SelectedAnimatedObject.DisplayName}): 局部长度={sizeAlongPath / metersToUnitsPassage:F2}m, 局部宽度={sizeAcrossPath / metersToUnitsPassage:F2}m, 局部高度={sizeNormalToPath / metersToUnitsPassage:F2}m, 有效长度={effectiveLength / metersToUnitsPassage:F2}m, 有效宽度={effectiveWidth / metersToUnitsPassage:F2}m, 通行空间沿路径={passageAlongPath / metersToUnitsPassage:F2}m, 垂直路径={passageAcrossPath / metersToUnitsPassage:F2}m, 法线={passageNormalToPath / metersToUnitsPassage:F2}m");
+                        LogManager.Debug($"[通行空间可视化] 地面路径使用物体尺寸 ({SelectedAnimatedObject.DisplayName}): 有效长度={effectiveLength / metersToUnitsPassage:F2}m, 有效宽度={effectiveWidth / metersToUnitsPassage:F2}m, 有效高度={effectiveHeight / metersToUnitsPassage:F2}m, 通行空间沿路径={passageAlongPath / metersToUnitsPassage:F2}m, 垂直路径={passageAcrossPath / metersToUnitsPassage:F2}m, 法线={passageNormalToPath / metersToUnitsPassage:F2}m");
                     }
                     else // Rail
                     {
@@ -4472,11 +4476,11 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                         // - 轨下安装：顶面贴路径，底面留间隙
                         // - 轨上安装：底面贴路径，顶面留间隙
                         passageAcrossPath = effectiveWidth + 2 * safetyMargin;   // 旋转后宽度 + 2*间隙（垂直于路径方向）
-                        passageNormalToPath = sizeNormalToPath + safetyMargin;  // 局部up方向高度 + 单侧间隙（法线方向）
+                        passageNormalToPath = effectiveHeight + safetyMargin;  // 局部up方向高度 + 单侧间隙（法线方向）
                         passageAlongPath = effectiveLength;  // 旋转后长度（沿路径方向）
                         passageNormalToPathVertical = passageNormalToPath;
                         passageNormalToPathHorizontal = passageNormalToPath;
-                        LogManager.Debug($"[通行空间可视化] 空轨路径使用物体尺寸 ({SelectedAnimatedObject.DisplayName}): 局部长度={sizeAlongPath / metersToUnitsPassage:F2}m, 局部宽度={sizeAcrossPath / metersToUnitsPassage:F2}m, 局部高度={sizeNormalToPath / metersToUnitsPassage:F2}m, 有效长度={effectiveLength / metersToUnitsPassage:F2}m, 有效宽度={effectiveWidth / metersToUnitsPassage:F2}m, 通行空间沿路径={passageAlongPath / metersToUnitsPassage:F2}m, 垂直路径={passageAcrossPath / metersToUnitsPassage:F2}m, 法线={passageNormalToPath / metersToUnitsPassage:F2}m");
+                        LogManager.Debug($"[通行空间可视化] 空轨路径使用物体尺寸 ({SelectedAnimatedObject.DisplayName}): 有效长度={effectiveLength / metersToUnitsPassage:F2}m, 有效宽度={effectiveWidth / metersToUnitsPassage:F2}m, 有效高度={effectiveHeight / metersToUnitsPassage:F2}m, 通行空间沿路径={passageAlongPath / metersToUnitsPassage:F2}m, 垂直路径={passageAcrossPath / metersToUnitsPassage:F2}m, 法线={passageNormalToPath / metersToUnitsPassage:F2}m");
                     }
                 }
                 else
@@ -4950,8 +4954,8 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                 }
 
                 // 重置角度修正值为0
-                ObjectRotationCorrection = 0.0;
-                LogManager.Debug("[重置状态] 已重置角度修正值为0度");
+                ObjectRotationCorrection = LocalEulerRotationCorrection.Zero;
+                LogManager.Debug("[重置状态] 已重置角度修正值为0");
 
                 // 清空选中对象
                 SelectedAnimatedObject = null;
@@ -5261,7 +5265,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                     DetectAllObjects = !IsManualCollisionTargetEnabled,
 
                     // 角度修正配置
-                    ObjectRotationCorrection = _objectRotationCorrection,
+                    ObjectRotationCorrection = _objectRotationCorrection.ZDegrees,
 
                     // 🔥 关联的检测记录ID
                     DetectionRecordId = detectionRecordId
@@ -5346,7 +5350,7 @@ namespace NavisworksTransport.UI.WPF.ViewModels
                                 $"虚拟物体: {queueItem.IsVirtualObject}, " +
                                 $"帧率: {queueItem.FrameRate}, " +
                                 $"时长: {queueItem.DurationSeconds:F2}秒, " +
-                                $"角度修正: {queueItem.ObjectRotationCorrection:F1}°, " +
+                                $"角度修正: {_objectRotationCorrection}, " +
                                 $"ID: {itemId}");
 
                 UpdateMainStatus($"已添加到批处理队列: {CurrentPathRoute.Name}");

src/UI/WPF/Views/EditRotationWindow.xaml

@@ -1,7 +1,7 @@
 <Window x:Class="NavisworksTransport.UI.WPF.Views.EditRotationWindow"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        Title="调整物体角度" Height="320" Width="400"
+        Title="调整物体角度" Height="360" Width="430"
         WindowStartupLocation="CenterScreen"
         ResizeMode="NoResize"
         ShowInTaskbar="False"
@@ -26,23 +26,67 @@
         <Border Grid.Row="0" Background="#FFF8FBFF" BorderBrush="#FFD4E7FF" BorderThickness="0,0,0,1" Padding="20,15">
             <StackPanel>
                 <TextBlock Text="调整物体角度" FontWeight="SemiBold" FontSize="14" Foreground="#FF2B579A"/>
-                <TextBlock Text="调整物体在路径起点时的水平旋转角度（顺时针）" FontSize="10" Foreground="#FF666666" Margin="0,3,0,0"/>
+                <TextBlock Text="设置物体在路径起点处绕宿主 X/Y/Z 轴的旋转角度" FontSize="10" Foreground="#FF666666" Margin="0,3,0,0"/>
             </StackPanel>
         </Border>
         
         <!-- 输入区域 -->
         <Border Grid.Row="1" Padding="20,15">
             <StackPanel>
-                <!-- 角度输入 -->
-                <Grid Margin="0,0,0,12">
+                <!-- X轴 -->
+                <Grid Margin="0,0,0,8">
                     <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="80"/>
+                        <ColumnDefinition Width="110"/>
                         <ColumnDefinition Width="*"/>
                         <ColumnDefinition Width="50"/>
                     </Grid.ColumnDefinitions>
-                    <TextBlock Text="旋转角度:" VerticalAlignment="Center" FontSize="11" Foreground="#FF333333"/>
+                    <TextBlock Text="绕 X 轴:" VerticalAlignment="Center" FontSize="11" Foreground="#FF333333"/>
                     <TextBox Grid.Column="1" 
-                             Text="{Binding RotationAngle, StringFormat=0.0, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" 
+                             x:Name="XAxisTextBox"
+                             GotFocus="OnAxisTextBoxGotFocus"
+                             Text="{Binding RotationXDegrees, StringFormat=0.0, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" 
+                             Height="28"
+                             VerticalContentAlignment="Center"
+                             Padding="8,0"
+                             FontSize="11"
+                             BorderBrush="#FFCCCCCC"
+                             BorderThickness="1"/>
+                    <TextBlock Grid.Column="2" Text="°" VerticalAlignment="Center" FontSize="11" Foreground="#FF666666" Margin="8,0,0,0"/>
+                </Grid>
+
+                <!-- Y轴 -->
+                <Grid Margin="0,0,0,8">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="110"/>
+                        <ColumnDefinition Width="*"/>
+                        <ColumnDefinition Width="50"/>
+                    </Grid.ColumnDefinitions>
+                    <TextBlock Text="绕 Y 轴:" VerticalAlignment="Center" FontSize="11" Foreground="#FF333333"/>
+                    <TextBox Grid.Column="1" 
+                             x:Name="YAxisTextBox"
+                             GotFocus="OnAxisTextBoxGotFocus"
+                             Text="{Binding RotationYDegrees, StringFormat=0.0, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" 
+                             Height="28"
+                             VerticalContentAlignment="Center"
+                             Padding="8,0"
+                             FontSize="11"
+                             BorderBrush="#FFCCCCCC"
+                             BorderThickness="1"/>
+                    <TextBlock Grid.Column="2" Text="°" VerticalAlignment="Center" FontSize="11" Foreground="#FF666666" Margin="8,0,0,0"/>
+                </Grid>
+
+                <!-- Z轴 -->
+                <Grid Margin="0,0,0,12">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition Width="110"/>
+                        <ColumnDefinition Width="*"/>
+                        <ColumnDefinition Width="50"/>
+                    </Grid.ColumnDefinitions>
+                    <TextBlock Text="绕 Z 轴:" VerticalAlignment="Center" FontSize="11" Foreground="#FF333333"/>
+                    <TextBox Grid.Column="1" 
+                             x:Name="ZAxisTextBox"
+                             GotFocus="OnAxisTextBoxGotFocus"
+                             Text="{Binding RotationZDegrees, StringFormat=0.0, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" 
                              Height="28"
                              VerticalContentAlignment="Center"
                              Padding="8,0"
@@ -53,7 +97,7 @@
                 </Grid>
                 
                 <!-- 快捷按钮 -->
-                <TextBlock Text="快捷角度:" FontSize="10" Foreground="#FF666666" Margin="0,0,0,8"/>
+                <TextBlock Text="快捷角度（作用于当前焦点输入框）:" FontSize="10" Foreground="#FF666666" Margin="0,0,0,8"/>
                 <StackPanel Orientation="Horizontal">
                     <Button Content="0°" 
                             Click="OnQuickAngleClick" 

src/UI/WPF/Views/EditRotationWindow.xaml.cs

@@ -2,33 +2,80 @@ using System;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
 using System.Windows;
+using System.Windows.Controls;
+using NavisworksTransport.Utils.CoordinateSystem;
 
 namespace NavisworksTransport.UI.WPF.Views
 {
     public partial class EditRotationWindow : Window, INotifyPropertyChanged
     {
-        private double _rotationAngle;
-
-        public double RotationAngle
+        private enum RotationAxisTarget
         {
-            get => _rotationAngle;
+            X,
+            Y,
+            Z
+        }
+
+        private double _rotationXDegrees;
+        private double _rotationYDegrees;
+        private double _rotationZDegrees;
+        private RotationAxisTarget _activeAxisTarget = RotationAxisTarget.Z;
+
+        public double RotationXDegrees
+        {
+            get => _rotationXDegrees;
             set
             {
-                if (_rotationAngle != value)
+                if (_rotationXDegrees != value)
                 {
-                    _rotationAngle = value;
+                    _rotationXDegrees = value;
                     OnPropertyChanged();
+                    OnPropertyChanged(nameof(RotationCorrection));
                 }
             }
         }
 
-        public EditRotationWindow(double currentAngle)
+        public double RotationYDegrees
+        {
+            get => _rotationYDegrees;
+            set
+            {
+                if (_rotationYDegrees != value)
+                {
+                    _rotationYDegrees = value;
+                    OnPropertyChanged();
+                    OnPropertyChanged(nameof(RotationCorrection));
+                }
+            }
+        }
+
+        public double RotationZDegrees
+        {
+            get => _rotationZDegrees;
+            set
+            {
+                if (_rotationZDegrees != value)
+                {
+                    _rotationZDegrees = value;
+                    OnPropertyChanged();
+                    OnPropertyChanged(nameof(RotationCorrection));
+                }
+            }
+        }
+
+        public LocalEulerRotationCorrection RotationCorrection =>
+            new LocalEulerRotationCorrection(RotationXDegrees, RotationYDegrees, RotationZDegrees);
+
+        public EditRotationWindow(LocalEulerRotationCorrection currentRotation)
         {
             try
             {
                 InitializeComponent();
-                RotationAngle = currentAngle;
+                RotationXDegrees = currentRotation.XDegrees;
+                RotationYDegrees = currentRotation.YDegrees;
+                RotationZDegrees = currentRotation.ZDegrees;
                 DataContext = this;
+                Loaded += (sender, args) => ZAxisTextBox.Focus();
             }
             catch (Exception ex)
             {
@@ -39,34 +86,57 @@ namespace NavisworksTransport.UI.WPF.Views
 
         private void OnQuickAngleClick(object sender, RoutedEventArgs e)
         {
-            if (sender is System.Windows.Controls.Button button)
+            if (sender is Button button)
             {
                 LogManager.Debug($"[快捷角度] 点击按钮: {button.Content}, Tag类型: {button.Tag?.GetType()}, Tag值: {button.Tag}");
 
                 if (button.Tag != null)
                 {
+                    double? parsedAngle = null;
                     if (button.Tag is int intTag)
                     {
-                        RotationAngle = intTag;
-                        LogManager.Debug($"[快捷角度] 设置角度为: {intTag}°");
+                        parsedAngle = intTag;
                     }
                     else if (button.Tag is string stringTag && double.TryParse(stringTag, out double angle))
                     {
-                        RotationAngle = angle;
-                        LogManager.Debug($"[快捷角度] 设置角度为: {angle}°");
+                        parsedAngle = angle;
                     }
                     else if (button.Tag is double doubleTag)
                     {
-                        RotationAngle = doubleTag;
-                        LogManager.Debug($"[快捷角度] 设置角度为: {doubleTag}°");
+                        parsedAngle = doubleTag;
+                    }
+
+                    if (parsedAngle.HasValue)
+                    {
+                        ApplyQuickAngle(parsedAngle.Value);
+                        LogManager.Debug($"[快捷角度] 设置 {_activeAxisTarget} 轴角度为: {parsedAngle.Value}°");
                     }
                 }
             }
         }
 
+        private void OnAxisTextBoxGotFocus(object sender, RoutedEventArgs e)
+        {
+            if (ReferenceEquals(sender, XAxisTextBox))
+            {
+                _activeAxisTarget = RotationAxisTarget.X;
+                return;
+            }
+
+            if (ReferenceEquals(sender, YAxisTextBox))
+            {
+                _activeAxisTarget = RotationAxisTarget.Y;
+                return;
+            }
+
+            _activeAxisTarget = RotationAxisTarget.Z;
+        }
+
         private void OnResetClick(object sender, RoutedEventArgs e)
         {
-            RotationAngle = 0.0;
+            RotationXDegrees = 0.0;
+            RotationYDegrees = 0.0;
+            RotationZDegrees = 0.0;
         }
 
         private void OnConfirmClick(object sender, RoutedEventArgs e)
@@ -87,5 +157,22 @@ namespace NavisworksTransport.UI.WPF.Views
         {
             PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
         }
+
+        private void ApplyQuickAngle(double angle)
+        {
+            switch (_activeAxisTarget)
+            {
+                case RotationAxisTarget.X:
+                    RotationXDegrees = angle;
+                    break;
+                case RotationAxisTarget.Y:
+                    RotationYDegrees = angle;
+                    break;
+                case RotationAxisTarget.Z:
+                default:
+                    RotationZDegrees = angle;
+                    break;
+            }
+        }
     }
 }

src/Utils/CoordinateSystem/CanonicalPlanarPoseBuilder.cs

@@ -35,6 +35,36 @@ namespace NavisworksTransport.Utils.CoordinateSystem
             Vector3 canonicalUp,
             ModelAxisConvention convention,
             out Quaternion rotation)
+        {
+            return TryCreateQuaternionFromForward(
+                desiredForward,
+                canonicalUp,
+                convention,
+                LocalEulerRotationCorrection.Zero,
+                out rotation);
+        }
+
+        public static bool TryCreateQuaternionFromForward(
+            Vector3 desiredForward,
+            Vector3 canonicalUp,
+            ModelAxisConvention convention,
+            LocalEulerRotationCorrection correction,
+            out Quaternion rotation)
+        {
+            return TryCreateQuaternionFromForward(
+                desiredForward,
+                canonicalUp,
+                convention,
+                correction.CreateQuaternion(Vector3.UnitX, Vector3.UnitY, Vector3.UnitZ),
+                out rotation);
+        }
+
+        public static bool TryCreateQuaternionFromForward(
+            Vector3 desiredForward,
+            Vector3 canonicalUp,
+            ModelAxisConvention convention,
+            Quaternion correctionQuaternion,
+            out Quaternion rotation)
         {
             if (convention == null)
             {
@@ -50,7 +80,27 @@ namespace NavisworksTransport.Utils.CoordinateSystem
             }
 
             Vector3 normalizedForward = Vector3.Normalize(projectedForward);
-            rotation = convention.CreateQuaternion(normalizedForward, Vector3.Normalize(canonicalUp));
+            Vector3 normalizedUp = Vector3.Normalize(canonicalUp);
+
+            if (Math.Abs(correctionQuaternion.X) < 1e-9f &&
+                Math.Abs(correctionQuaternion.Y) < 1e-9f &&
+                Math.Abs(correctionQuaternion.Z) < 1e-9f &&
+                Math.Abs(correctionQuaternion.W - 1.0f) < 1e-9f)
+            {
+                rotation = convention.CreateQuaternion(normalizedForward, normalizedUp);
+                return true;
+            }
+
+            LocalAxisPoseBuilder.ApplyLocalPreRotation(
+                convention,
+                correctionQuaternion,
+                out var correctedLocalForward,
+                out var correctedLocalUp);
+            rotation = LocalAxisPoseBuilder.CreateQuaternionFromLocalAxes(
+                correctedLocalForward,
+                correctedLocalUp,
+                normalizedForward,
+                normalizedUp);
             return true;
         }
     }

src/Utils/CoordinateSystem/CanonicalRailPoseBuilder.cs

@@ -161,7 +161,27 @@ namespace NavisworksTransport.Utils.CoordinateSystem
                 canonicalUp,
                 convention,
                 null,
-                localUpRotationDegrees,
+                Quaternion.CreateFromAxisAngle(Vector3.Normalize(convention.UpUnitVector), (float)(localUpRotationDegrees * Math.PI / 180.0)),
+                out rotation);
+        }
+
+        public static bool TryCreateQuaternion(
+            Vector3 previousPoint,
+            Vector3 currentPoint,
+            Vector3 nextPoint,
+            Vector3 canonicalUp,
+            ModelAxisConvention convention,
+            LocalEulerRotationCorrection correction,
+            out Quaternion rotation)
+        {
+            return TryCreateQuaternion(
+                previousPoint,
+                currentPoint,
+                nextPoint,
+                canonicalUp,
+                convention,
+                null,
+                correction.CreateQuaternion(Vector3.UnitX, Vector3.UnitY, Vector3.UnitZ),
                 out rotation);
         }
 
@@ -174,6 +194,27 @@ namespace NavisworksTransport.Utils.CoordinateSystem
             Vector3? preferredNormal,
             double localUpRotationDegrees,
             out Quaternion rotation)
+        {
+            return TryCreateQuaternion(
+                previousPoint,
+                currentPoint,
+                nextPoint,
+                canonicalUp,
+                convention,
+                preferredNormal,
+                Quaternion.CreateFromAxisAngle(Vector3.Normalize(convention.UpUnitVector), (float)(localUpRotationDegrees * Math.PI / 180.0)),
+                out rotation);
+        }
+
+        public static bool TryCreateQuaternion(
+            Vector3 previousPoint,
+            Vector3 currentPoint,
+            Vector3 nextPoint,
+            Vector3 canonicalUp,
+            ModelAxisConvention convention,
+            Vector3? preferredNormal,
+            Quaternion correctionQuaternion,
+            out Quaternion rotation)
         {
             rotation = Quaternion.Identity;
 
@@ -195,67 +236,22 @@ namespace NavisworksTransport.Utils.CoordinateSystem
                 return false;
             }
 
-            if (Math.Abs(localUpRotationDegrees) < 1e-9)
+            if (Math.Abs(correctionQuaternion.X) < 1e-9f &&
+                Math.Abs(correctionQuaternion.Y) < 1e-9f &&
+                Math.Abs(correctionQuaternion.Z) < 1e-9f &&
+                Math.Abs(correctionQuaternion.W - 1.0f) < 1e-9f)
             {
                 rotation = convention.CreateQuaternion(forward, up);
                 return true;
             }
 
-            float correctionRadians = (float)(localUpRotationDegrees * Math.PI / 180.0);
-            Quaternion localPreRotation = Quaternion.CreateFromAxisAngle(
-                Vector3.Normalize(convention.UpUnitVector),
-                correctionRadians);
-
-            Vector3 correctedLocalForward = Vector3.Normalize(Vector3.Transform(convention.ForwardUnitVector, localPreRotation));
-            Vector3 correctedLocalUp = Vector3.Normalize(Vector3.Transform(convention.UpUnitVector, localPreRotation));
-            rotation = CreateQuaternionFromLocalAxes(correctedLocalForward, correctedLocalUp, forward, up);
+            LocalAxisPoseBuilder.ApplyLocalPreRotation(
+                convention,
+                correctionQuaternion,
+                out var correctedLocalForward,
+                out var correctedLocalUp);
+            rotation = LocalAxisPoseBuilder.CreateQuaternionFromLocalAxes(correctedLocalForward, correctedLocalUp, forward, up);
             return true;
         }
-
-        private static Quaternion CreateQuaternionFromLocalAxes(
-            Vector3 localForward,
-            Vector3 localUp,
-            Vector3 worldForward,
-            Vector3 worldUp)
-        {
-            Vector3 normalizedLocalForward = Vector3.Normalize(localForward);
-            Vector3 normalizedLocalUp = Vector3.Normalize(localUp);
-            Vector3 normalizedWorldForward = Vector3.Normalize(worldForward);
-            Vector3 normalizedWorldUp = Vector3.Normalize(worldUp);
-
-            Vector3 localRemaining = Vector3.Normalize(Vector3.Cross(normalizedLocalForward, normalizedLocalUp));
-            Vector3 worldRemaining = Vector3.Normalize(Vector3.Cross(normalizedWorldForward, normalizedWorldUp));
-
-            Vector3 worldX = MapOriginalLocalAxis(Vector3.UnitX, normalizedLocalForward, normalizedLocalUp, localRemaining, normalizedWorldForward, normalizedWorldUp, worldRemaining);
-            Vector3 worldY = MapOriginalLocalAxis(Vector3.UnitY, normalizedLocalForward, normalizedLocalUp, localRemaining, normalizedWorldForward, normalizedWorldUp, worldRemaining);
-            Vector3 worldZ = MapOriginalLocalAxis(Vector3.UnitZ, normalizedLocalForward, normalizedLocalUp, localRemaining, normalizedWorldForward, normalizedWorldUp, worldRemaining);
-
-            Matrix4x4 linear = new Matrix4x4(
-                worldX.X, worldY.X, worldZ.X, 0f,
-                worldX.Y, worldY.Y, worldZ.Y, 0f,
-                worldX.Z, worldY.Z, worldZ.Z, 0f,
-                0f, 0f, 0f, 1f);
-            return Quaternion.CreateFromRotationMatrix(linear);
-        }
-
-        private static Vector3 MapOriginalLocalAxis(
-            Vector3 originalAxis,
-            Vector3 localForward,
-            Vector3 localUp,
-            Vector3 localRemaining,
-            Vector3 worldForward,
-            Vector3 worldUp,
-            Vector3 worldRemaining)
-        {
-            float forwardWeight = Vector3.Dot(originalAxis, localForward);
-            float upWeight = Vector3.Dot(originalAxis, localUp);
-            float remainingWeight = Vector3.Dot(originalAxis, localRemaining);
-
-            return Vector3.Normalize(
-                forwardWeight * worldForward +
-                upWeight * worldUp +
-                remainingWeight * worldRemaining);
-        }
-
     }
 }

src/Utils/CoordinateSystem/HostCoordinateAdapter.cs

@@ -188,6 +188,27 @@ namespace NavisworksTransport.Utils.CoordinateSystem
                 hostLinear.M31, hostLinear.M32, hostLinear.M33);
         }
 
+        /// <summary>
+        /// 将宿主 X/Y/Z 三轴旋转角转换为内部 Canonical Space 中的旋转四元数。
+        /// 约定：先绕宿主 X，再绕宿主 Y，最后绕宿主 Z。
+        /// </summary>
+        public Quaternion CreateCanonicalRotationCorrection(LocalEulerRotationCorrection correction)
+        {
+            if (correction.IsZero)
+            {
+                return Quaternion.Identity;
+            }
+
+            Vector3 canonicalHostX = Vector3.Normalize(ToCanonicalVector3(Vector3.UnitX));
+            Vector3 canonicalHostY = Vector3.Normalize(ToCanonicalVector3(Vector3.UnitY));
+            Vector3 canonicalHostZ = Vector3.Normalize(ToCanonicalVector3(Vector3.UnitZ));
+
+            Quaternion qx = Quaternion.CreateFromAxisAngle(canonicalHostX, DegreesToRadians(correction.XDegrees));
+            Quaternion qy = Quaternion.CreateFromAxisAngle(canonicalHostY, DegreesToRadians(correction.YDegrees));
+            Quaternion qz = Quaternion.CreateFromAxisAngle(canonicalHostZ, DegreesToRadians(correction.ZDegrees));
+            return Quaternion.Normalize(qz * qy * qx);
+        }
+
         private static Rotation3D CreateRotationFromLinearComponents(
             double m00, double m01, double m02,
             double m10, double m11, double m12,
@@ -340,5 +361,10 @@ namespace NavisworksTransport.Utils.CoordinateSystem
         {
             return new Vector3D(vector.X, vector.Y, vector.Z);
         }
+
+        private static float DegreesToRadians(double degrees)
+        {
+            return (float)(degrees * Math.PI / 180.0);
+        }
     }
 }

src/Utils/CoordinateSystem/LocalAxisPoseBuilder.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Numerics;
+
+namespace NavisworksTransport.Utils.CoordinateSystem
+{
+    /// <summary>
+    /// 根据模型局部轴和世界目标 forward/up 构造姿态。
+    /// </summary>
+    public static class LocalAxisPoseBuilder
+    {
+        public static Quaternion CreateQuaternionFromLocalAxes(
+            Vector3 localForward,
+            Vector3 localUp,
+            Vector3 worldForward,
+            Vector3 worldUp)
+        {
+            Vector3 normalizedLocalForward = Vector3.Normalize(localForward);
+            Vector3 normalizedLocalUp = Vector3.Normalize(localUp);
+            Vector3 normalizedWorldForward = Vector3.Normalize(worldForward);
+            Vector3 normalizedWorldUp = Vector3.Normalize(worldUp);
+
+            Vector3 localRemaining = Vector3.Normalize(Vector3.Cross(normalizedLocalForward, normalizedLocalUp));
+            Vector3 worldRemaining = Vector3.Normalize(Vector3.Cross(normalizedWorldForward, normalizedWorldUp));
+
+            Vector3 worldX = MapOriginalLocalAxis(Vector3.UnitX, normalizedLocalForward, normalizedLocalUp, localRemaining, normalizedWorldForward, normalizedWorldUp, worldRemaining);
+            Vector3 worldY = MapOriginalLocalAxis(Vector3.UnitY, normalizedLocalForward, normalizedLocalUp, localRemaining, normalizedWorldForward, normalizedWorldUp, worldRemaining);
+            Vector3 worldZ = MapOriginalLocalAxis(Vector3.UnitZ, normalizedLocalForward, normalizedLocalUp, localRemaining, normalizedWorldForward, normalizedWorldUp, worldRemaining);
+
+            Matrix4x4 linear = new Matrix4x4(
+                worldX.X, worldY.X, worldZ.X, 0f,
+                worldX.Y, worldY.Y, worldZ.Y, 0f,
+                worldX.Z, worldY.Z, worldZ.Z, 0f,
+                0f, 0f, 0f, 1f);
+            return Quaternion.CreateFromRotationMatrix(linear);
+        }
+
+        public static void ApplyLocalPreRotation(
+            ModelAxisConvention convention,
+            Quaternion correctionQuaternion,
+            out Vector3 correctedLocalForward,
+            out Vector3 correctedLocalUp)
+        {
+            if (Math.Abs(correctionQuaternion.X) < 1e-9f &&
+                Math.Abs(correctionQuaternion.Y) < 1e-9f &&
+                Math.Abs(correctionQuaternion.Z) < 1e-9f &&
+                Math.Abs(correctionQuaternion.W - 1.0f) < 1e-9f)
+            {
+                correctedLocalForward = convention.ForwardUnitVector;
+                correctedLocalUp = convention.UpUnitVector;
+                return;
+            }
+
+            correctedLocalForward = Vector3.Normalize(Vector3.Transform(convention.ForwardUnitVector, correctionQuaternion));
+            correctedLocalUp = Vector3.Normalize(Vector3.Transform(convention.UpUnitVector, correctionQuaternion));
+        }
+
+        private static Vector3 MapOriginalLocalAxis(
+            Vector3 originalAxis,
+            Vector3 localForward,
+            Vector3 localUp,
+            Vector3 localRemaining,
+            Vector3 worldForward,
+            Vector3 worldUp,
+            Vector3 worldRemaining)
+        {
+            float forwardWeight = Vector3.Dot(originalAxis, localForward);
+            float upWeight = Vector3.Dot(originalAxis, localUp);
+            float remainingWeight = Vector3.Dot(originalAxis, localRemaining);
+
+            return Vector3.Normalize(
+                forwardWeight * worldForward +
+                upWeight * worldUp +
+                remainingWeight * worldRemaining);
+        }
+    }
+}

src/Utils/CoordinateSystem/LocalEulerRotationCorrection.cs

@@ -0,0 +1,111 @@
+using System;
+using System.Globalization;
+using System.Numerics;
+
+namespace NavisworksTransport.Utils.CoordinateSystem
+{
+    /// <summary>
+    /// 三轴旋转修正角（单位：度）。
+    /// 该结构本身只保存 X/Y/Z 三个角度值，不直接绑定宿主/内部/资产语义。
+    /// </summary>
+    public struct LocalEulerRotationCorrection : IEquatable<LocalEulerRotationCorrection>
+    {
+        public static readonly LocalEulerRotationCorrection Zero = new LocalEulerRotationCorrection(0.0, 0.0, 0.0);
+
+        public LocalEulerRotationCorrection(double xDegrees, double yDegrees, double zDegrees)
+        {
+            XDegrees = xDegrees;
+            YDegrees = yDegrees;
+            ZDegrees = zDegrees;
+        }
+
+        public double XDegrees { get; }
+        public double YDegrees { get; }
+        public double ZDegrees { get; }
+
+        public bool IsZero =>
+            Math.Abs(XDegrees) < 1e-9 &&
+            Math.Abs(YDegrees) < 1e-9 &&
+            Math.Abs(ZDegrees) < 1e-9;
+
+        public Quaternion CreateQuaternion(Vector3 axisX, Vector3 axisY, Vector3 axisZ)
+        {
+            Quaternion qx = Quaternion.CreateFromAxisAngle(Vector3.Normalize(axisX), DegreesToRadians(XDegrees));
+            Quaternion qy = Quaternion.CreateFromAxisAngle(Vector3.Normalize(axisY), DegreesToRadians(YDegrees));
+            Quaternion qz = Quaternion.CreateFromAxisAngle(Vector3.Normalize(axisZ), DegreesToRadians(ZDegrees));
+            return Quaternion.Normalize(qz * qy * qx);
+        }
+
+        public static LocalEulerRotationCorrection FromConventionUpDegrees(ModelAxisConvention convention, double upDegrees)
+        {
+            if (convention == null)
+            {
+                throw new ArgumentNullException(nameof(convention));
+            }
+
+            switch (convention.UpAxis)
+            {
+                case LocalAxisDirection.PositiveX:
+                case LocalAxisDirection.NegativeX:
+                    return new LocalEulerRotationCorrection(upDegrees, 0.0, 0.0);
+                case LocalAxisDirection.PositiveY:
+                case LocalAxisDirection.NegativeY:
+                    return new LocalEulerRotationCorrection(0.0, upDegrees, 0.0);
+                case LocalAxisDirection.PositiveZ:
+                case LocalAxisDirection.NegativeZ:
+                default:
+                    return new LocalEulerRotationCorrection(0.0, 0.0, upDegrees);
+            }
+        }
+
+        public override string ToString()
+        {
+            return string.Format(
+                CultureInfo.InvariantCulture,
+                "X={0:F1}°,Y={1:F1}°,Z={2:F1}°",
+                XDegrees,
+                YDegrees,
+                ZDegrees);
+        }
+
+        public bool Equals(LocalEulerRotationCorrection other)
+        {
+            return XDegrees.Equals(other.XDegrees) &&
+                   YDegrees.Equals(other.YDegrees) &&
+                   ZDegrees.Equals(other.ZDegrees);
+        }
+
+        public override bool Equals(object obj)
+        {
+            return obj is LocalEulerRotationCorrection other && Equals(other);
+        }
+
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                int hash = 17;
+                hash = hash * 31 + XDegrees.GetHashCode();
+                hash = hash * 31 + YDegrees.GetHashCode();
+                hash = hash * 31 + ZDegrees.GetHashCode();
+                return hash;
+            }
+        }
+
+        public static bool operator ==(LocalEulerRotationCorrection left, LocalEulerRotationCorrection right)
+        {
+            return left.Equals(right);
+        }
+
+        public static bool operator !=(LocalEulerRotationCorrection left, LocalEulerRotationCorrection right)
+        {
+            return !left.Equals(right);
+        }
+
+        private static float DegreesToRadians(double degrees)
+        {
+            return (float)(degrees * Math.PI / 180.0);
+        }
+
+    }
+}

src/Utils/CoordinateSystem/ObjectSpaceOrientationHelper.cs

@@ -6,6 +6,27 @@ namespace NavisworksTransport.Utils.CoordinateSystem
 {
     public static class ObjectSpaceOrientationHelper
     {
+        public static bool TryCalculateAxes(
+            Vector3 segmentDirection,
+            Vector3 upReference,
+            out (Vector3 right, Vector3 up) axes,
+            Vector3? horizontalDirection = null)
+        {
+            double segmentLength = Math.Sqrt(
+                segmentDirection.X * segmentDirection.X +
+                segmentDirection.Y * segmentDirection.Y +
+                segmentDirection.Z * segmentDirection.Z);
+
+            if (segmentLength < 1e-9)
+            {
+                axes = (Vector3.Zero, Vector3.Zero);
+                return false;
+            }
+
+            axes = CalculateAxes(segmentDirection, upReference, horizontalDirection);
+            return true;
+        }
+
         public static (Vector3D right, Vector3D up) CalculateAxes(
             Point3D startPoint,
             Point3D endPoint,

src/Utils/CoordinateSystem/RotatedObjectExtentHelper.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Numerics;
+
+namespace NavisworksTransport.Utils.CoordinateSystem
+{
+    /// <summary>
+    /// 计算物体本地预旋转后，在 forward/side/up 语义下的投影尺寸。
+    /// </summary>
+    public static class RotatedObjectExtentHelper
+    {
+        public static (double forwardExtent, double sideExtent, double upExtent) CalculateProjectedSemanticExtents(
+            ModelAxisConvention convention,
+            double forwardSize,
+            double sideSize,
+            double upSize,
+            Quaternion correctionQuaternion)
+        {
+            if (convention == null)
+            {
+                throw new ArgumentNullException(nameof(convention));
+            }
+
+            if (Math.Abs(correctionQuaternion.X) < 1e-9f &&
+                Math.Abs(correctionQuaternion.Y) < 1e-9f &&
+                Math.Abs(correctionQuaternion.Z) < 1e-9f &&
+                Math.Abs(correctionQuaternion.W - 1.0f) < 1e-9f)
+            {
+                return (forwardSize, sideSize, upSize);
+            }
+
+            Vector3 localSize = convention.CreateScaleVector3(forwardSize, sideSize, upSize);
+            Vector3 rotatedLocalX = Vector3.Normalize(Vector3.Transform(Vector3.UnitX, correctionQuaternion));
+            Vector3 rotatedLocalY = Vector3.Normalize(Vector3.Transform(Vector3.UnitY, correctionQuaternion));
+            Vector3 rotatedLocalZ = Vector3.Normalize(Vector3.Transform(Vector3.UnitZ, correctionQuaternion));
+
+            Vector3 semanticForward = Vector3.Normalize(convention.ForwardUnitVector);
+            Vector3 semanticUp = Vector3.Normalize(convention.UpUnitVector);
+            Vector3 semanticSide = Vector3.Normalize(Vector3.Cross(semanticForward, semanticUp));
+
+            return (
+                ProjectExtent(localSize, rotatedLocalX, rotatedLocalY, rotatedLocalZ, semanticForward),
+                ProjectExtent(localSize, rotatedLocalX, rotatedLocalY, rotatedLocalZ, semanticSide),
+                ProjectExtent(localSize, rotatedLocalX, rotatedLocalY, rotatedLocalZ, semanticUp));
+        }
+
+        private static double ProjectExtent(
+            Vector3 localSize,
+            Vector3 rotatedLocalX,
+            Vector3 rotatedLocalY,
+            Vector3 rotatedLocalZ,
+            Vector3 targetAxis)
+        {
+            return Math.Abs(Vector3.Dot(rotatedLocalX, targetAxis)) * localSize.X +
+                   Math.Abs(Vector3.Dot(rotatedLocalY, targetAxis)) * localSize.Y +
+                   Math.Abs(Vector3.Dot(rotatedLocalZ, targetAxis)) * localSize.Z;
+        }
+    }
+}

src/Utils/RailPathPoseHelper.cs

@@ -218,6 +218,25 @@ namespace NavisworksTransport.Utils
             ModelAxisConvention axisConvention,
             double localUpRotationDegrees,
             out Matrix3 linearTransform)
+        {
+            return TryCreateRailLinearTransform(
+                route,
+                previousPoint,
+                currentPoint,
+                nextPoint,
+                axisConvention,
+                LocalEulerRotationCorrection.FromConventionUpDegrees(axisConvention, localUpRotationDegrees),
+                out linearTransform);
+        }
+
+        public static bool TryCreateRailLinearTransform(
+            PathRoute route,
+            Point3D previousPoint,
+            Point3D currentPoint,
+            Point3D nextPoint,
+            ModelAxisConvention axisConvention,
+            LocalEulerRotationCorrection correction,
+            out Matrix3 linearTransform)
         {
             linearTransform = null;
 
@@ -245,6 +264,7 @@ namespace NavisworksTransport.Utils
             var canonicalForward = frame.Forward;
             var canonicalLateral = frame.Lateral;
             var canonicalUp = frame.Normal;
+            Quaternion correctionQuaternion = adapter.CreateCanonicalRotationCorrection(correction);
             Quaternion canonicalRotation = CanonicalRailPoseBuilder.TryCreateQuaternion(
                 canonicalPreviousPoint,
                 canonicalCurrentPoint,
@@ -252,7 +272,7 @@ namespace NavisworksTransport.Utils
                 HostCoordinateAdapter.CanonicalUpVector3,
                 axisConvention,
                 ResolvePreferredNormal(route),
-                localUpRotationDegrees,
+                correctionQuaternion,
                 out var correctedRotation)
                 ? correctedRotation
                 : axisConvention.CreateQuaternion(canonicalForward, canonicalUp);
@@ -276,7 +296,7 @@ namespace NavisworksTransport.Utils
                 $"Canonical侧向=({canonicalLateral.X:F4},{canonicalLateral.Y:F4},{canonicalLateral.Z:F4}), " +
                 $"Canonical法向=({canonicalUp.X:F4},{canonicalUp.Y:F4},{canonicalUp.Z:F4}), " +
                 $"Host法向=({hostZAxis.X:F4},{hostZAxis.Y:F4},{hostZAxis.Z:F4}), " +
-                $"模型Forward={axisConvention.ForwardAxis}, 模型Up={axisConvention.UpAxis}, 本地预旋转={localUpRotationDegrees:F1}°");
+                $"模型Forward={axisConvention.ForwardAxis}, 模型Up={axisConvention.UpAxis}, 宿主轴旋转={correction}");
             return true;
         }
 
@@ -356,6 +376,25 @@ namespace NavisworksTransport.Utils
             ModelAxisConvention axisConvention,
             double localUpRotationDegrees,
             out Rotation3D rotation)
+        {
+            return TryCreateRailRotation(
+                route,
+                previousPoint,
+                currentPoint,
+                nextPoint,
+                axisConvention,
+                LocalEulerRotationCorrection.FromConventionUpDegrees(axisConvention, localUpRotationDegrees),
+                out rotation);
+        }
+
+        public static bool TryCreateRailRotation(
+            PathRoute route,
+            Point3D previousPoint,
+            Point3D currentPoint,
+            Point3D nextPoint,
+            ModelAxisConvention axisConvention,
+            LocalEulerRotationCorrection correction,
+            out Rotation3D rotation)
         {
             rotation = Rotation3D.Identity;
             LogRotationConstructorConventionOnce();
@@ -366,7 +405,7 @@ namespace NavisworksTransport.Utils
                 currentPoint,
                 nextPoint,
                 axisConvention,
-                localUpRotationDegrees,
+                correction,
                 out var linearTransform))
             {
                 return false;