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libs/MVS/Mesh.cpp

@@ -1238,7 +1238,7 @@ void Mesh::CheckUVValid()
 			}
 			else
 			{
-				DEBUG_EXTRA("PointInTriangle Yes idxFace=%d", idxFace);
+				// DEBUG_EXTRA("PointInTriangle Yes idxFace=%d", idxFace);
 			}
 		}
 	}

libs/MVS/SceneTexture.cpp

@@ -184,6 +184,13 @@ struct ViewSelectionData {
 		viewID(id), quality(q), consistency(c) {}
 };
 
+struct VirtualFaceData {
+	std::vector<FIndex> faceIndices;  // 虚拟面对应的原始面片索引
+	Point3f center;  // 虚拟面中心
+	Point3f normal;  // 虚拟面法向量
+	float area;  // 虚拟面面积
+};
+
 // 纹理块质量信息
 struct PatchQualityInfo {
 	float averageQuality;
@@ -566,14 +573,14 @@ public:
 											const Mesh::VertexArr& vertices,
 											const Mesh::FaceArr& faces,
 											const Mesh::NormalArr& faceNormals);
-	void CalculateVirtualFaceProperties(VirtualFace& vf);
+	bool CalculateVirtualFaceProperties(VirtualFace& vf);
-	void CalculateVirtualFaceUVBounds(VirtualFace& vf);
+	bool CalculateVirtualFaceUVBounds(VirtualFace& vf);
 	bool AreFacesUVContinuous(FIndex fid1, FIndex fid2);
 
 	bool ListCameraFaces(FaceDataViewArr&, float fOutlierThreshold, int nIgnoreMaskLabel, const IIndexArr& views, bool bUseVirtualFaces);
 	bool CheckInvalidFaces(FaceDataViewArr& facesDatas, float fOutlierThreshold, int nIgnoreMaskLabel, const IIndexArr& _views, bool bUseVirtualFaces);
 	bool IsFaceVisibleAndValid(const FaceDataArr& faceDatas, const IIndexArr& selectedCams) const;
-
+	std::vector<VirtualFaceData> ConvertVirtualFaceDataArrToVector(const VirtualFaceDataArr& vfDataArr);
 	std::unordered_set<FIndex> PerformLocalDepthConsistencyCheck(DepthMap& depthMap, FaceMap& faceMap, Mesh& mesh, IIndex idxView, std::string strViewName);
 
 	#if TEXOPT_FACEOUTLIER != TEXOPT_FACEOUTLIER_NA
@@ -608,6 +615,8 @@ public:
 															unsigned nTextureSizeMultiple, unsigned nRectPackingHeuristic,
 															Pixel8U colEmpty, float fSharpnessWeight, int maxTextureSize,
 															const SEACAVE::String& baseFileName, Scene* pScene);
+	bool ConvertVectorToVirtualFaceDataArr(const std::vector<VirtualFaceData>& src, VirtualFaceDataArr& dst);
+	bool InitializeEmptyVirtualFaceDataArr(const VirtualFaceMap& virtualFaceMap, VirtualFaceDataArr& vfDataArr);
 	bool SelectBestViewsForVirtualFaces(VirtualFaceMap& virtualFaceMap, 
                                                 unsigned minCommonCameras, float fOutlierThreshold,
                                                 float fRatioDataSmoothness, int nIgnoreMaskLabel, 
@@ -615,14 +624,6 @@ public:
 	std::vector<std::vector<IIndex>> faceViews;
     std::vector<std::vector<float>> faceViewWeights;
 
-	// 虚拟面相关数据结构
-    struct VirtualFaceData {
-        std::vector<FIndex> faceIndices;  // 虚拟面对应的原始面片索引
-        Point3f center;  // 虚拟面中心
-        Point3f normal;  // 虚拟面法向量
-        float area;  // 虚拟面面积
-    };
-
     std::vector<VirtualFaceData> virtualFaceDatas;
     std::vector<std::vector<IIndex>> faceNeighbors;
 	VirtualFaceGeometryArr m_virtualFaceGeometries;
@@ -1408,80 +1409,131 @@ void MeshTexture::ProcessVirtualFacesInView(const VirtualFaceMap& virtualFaceMap
 }
 
 // 计算虚拟面的属性
-// 计算虚拟面的属性
+bool MeshTexture::CalculateVirtualFaceProperties(VirtualFace& vf) {
-void MeshTexture::CalculateVirtualFaceProperties(VirtualFace& vf) {
     if (vf.faces.empty()) {
         vf.center = Point3f::ZERO;
         vf.normal = Normal::ZERO;
         vf.area = 0.0f;
-        return;
+        return false;
     }
     
     const Mesh::VertexArr& vertices = scene.mesh.vertices;
     const Mesh::NormalArr& faceNormals = scene.mesh.faceNormals;
+    const size_t numFaces = scene.mesh.faces.size();
+    const size_t numVertices = vertices.size();
+    
+    // 验证输入
+    if (faceNormals.size() != numFaces) {
+        DEBUG_EXTRA("WARNING: faceNormals size (%zu) doesn't match faces size (%zu)", 
+                   faceNormals.size(), numFaces);
+        return false;
+    }
     
     vf.center = Point3f::ZERO;
     vf.normal = Normal::ZERO;
     vf.area = 0.0f;
     
+    int invalidFaceCount = 0;
+    
     for (FIndex faceIdx : vf.faces) {
-        const Mesh::Face& facet = faces[faceIdx];
+        // 检查面片索引是否有效
+        if (faceIdx >= numFaces) {
+            DEBUG_EXTRA("WARNING: Invalid face index %u in CalculateVirtualFaceProperties (max: %zu)", 
+                       faceIdx, numFaces - 1);
+            invalidFaceCount++;
+            continue;
+        }
+        
+        const Mesh::Face& facet = scene.mesh.faces[faceIdx];
+        
+        // 验证顶点索引
+        bool verticesValid = true;
+        for (int i = 0; i < 3; ++i) {
+            if (facet[i] >= numVertices) {
+                DEBUG_EXTRA("WARNING: Invalid vertex index %u in face %u (max: %zu)", 
+                           facet[i], faceIdx, numVertices - 1);
+                verticesValid = false;
+                break;
+            }
+        }
+        
+        if (!verticesValid) {
+            invalidFaceCount++;
+            continue;
+        }
         
         // 计算面片中心
-        Point3f faceCenter = (vertices[facet[0]] + vertices[facet[1]] + vertices[facet[2]]) / 3.0f;
-        vf.center += faceCenter;
-        
-        // 累加法线
-        vf.normal += faceNormals[faceIdx];
-        
-        // 计算面片面积 - 修复1：手动计算三角形面积
         const Point3f& v0 = vertices[facet[0]];
         const Point3f& v1 = vertices[facet[1]];
         const Point3f& v2 = vertices[facet[2]];
         
-        // 计算三角形的两个边向量
+        Point3f faceCenter = (v0 + v1 + v2) / 3.0f;
+        vf.center += faceCenter;
+        
+        // 累加法线
+        if (faceIdx < faceNormals.size()) {
+            vf.normal += faceNormals[faceIdx];
+        } else {
+            // 计算面片法线
+            Point3f edge1 = v1 - v0;
+            Point3f edge2 = v2 - v0;
+            Point3f normal = edge1.cross(edge2);
+            // 归一化
+            float length = sqrtf(normal.dot(normal));
+            if (length > 0) {
+                normal /= length;
+            } else {
+                normal = Point3f(0, 0, 1);  // 默认法线
+            }
+            vf.normal += Normal(normal);
+        }
+        
+        // 计算面片面积
         Point3f edge1 = v1 - v0;
         Point3f edge2 = v2 - v0;
         
-        // 计算叉积
+        Point3f crossProd = edge1.cross(edge2);
-        Point3f crossProd(
+        // 计算叉积的模
-            edge1.y * edge2.z - edge1.z * edge2.y,
+        float crossLength = sqrtf(crossProd.dot(crossProd));
-            edge1.z * edge2.x - edge1.x * edge2.z,
+        float area = crossLength * 0.5f;
-            edge1.x * edge2.y - edge1.y * edge2.x
-        );
         
-        // 计算面积 = 0.5 * 叉积的模
+        if (area < 0) {
-        float area = 0.5f * std::sqrt(
+            area = -area;  // 取绝对值
-            crossProd.x * crossProd.x + 
+        }
-            crossProd.y * crossProd.y + 
-            crossProd.z * crossProd.z
-        );
         
         vf.area += area;
     }
     
-    // 计算平均值
+    if (invalidFaceCount > 0) {
-    vf.center /= vf.faces.size();
+        DEBUG_EXTRA("CalculateVirtualFaceProperties: %d invalid faces skipped", invalidFaceCount);
-    
-    // 修复2：手动归一化法线向量
-    float norm = std::sqrt(
-        vf.normal.x * vf.normal.x + 
-        vf.normal.y * vf.normal.y + 
-        vf.normal.z * vf.normal.z
-    );
-    
-    if (norm > 0) {
-        vf.normal.x /= norm;
-        vf.normal.y /= norm;
-        vf.normal.z /= norm;
     }
+    
+    if (vf.faces.size() - invalidFaceCount == 0) {
+        vf.center = Point3f::ZERO;
+        vf.normal = Normal::ZERO;
+        vf.area = 0.0f;
+        return false;
+    }
+    
+    // 计算平均值
+    vf.center /= static_cast<float>(vf.faces.size() - invalidFaceCount);
+    
+    // 归一化法线
+    float norm = sqrtf(vf.normal.dot(vf.normal));
+    if (norm > 0) {
+        vf.normal /= norm;
+    } else {
+        vf.normal = Normal(0, 0, 1);  // 默认法线
+    }
+    
+    return true;
 }
-// 计算虚拟面的UV边界
+
-void MeshTexture::CalculateVirtualFaceUVBounds(VirtualFace& vf) {
+bool MeshTexture::CalculateVirtualFaceUVBounds(VirtualFace& vf) {
     if (vf.faces.empty() || !scene.mesh.HasTexture()) {
         // 修正1: 不使用 ZERO，而是创建一个空的边界框
         vf.uvBounds = AABB2f();  // 使用默认构造函数
-        return;
+        return false;  // 返回 false
     }
     
     const TexCoord* texcoords = scene.mesh.faceTexcoords.data();
@@ -1500,6 +1552,8 @@ void MeshTexture::CalculateVirtualFaceUVBounds(VirtualFace& vf) {
             }
         }
     }
+    
+    return !first;  // 如果至少有一个UV坐标，则返回true
 }
 // 检查两个面片在UV空间中是否连续
 bool MeshTexture::AreFacesUVContinuous(FIndex fid1, FIndex fid2) {
@@ -9397,7 +9451,7 @@ void MeshTexture::GenerateTexture(bool bGlobalSeamLeveling, bool bLocalSeamLevel
 						}
 						else
 						{
-							DEBUG_EXTRA("PointInTriangle Yes idxFace=%d", idxFace);
+							// DEBUG_EXTRA("PointInTriangle Yes idxFace=%d", idxFace);
 						}
 					}
 
@@ -9872,7 +9926,7 @@ void MeshTexture::GenerateTextureForUV(bool bGlobalSeamLeveling, bool bLocalSeam
 						}
 						else
 						{
-							DEBUG_EXTRA("PointInTriangle Yes idxFace=%d", idxFace);
+							// DEBUG_EXTRA("PointInTriangle Yes idxFace=%d", idxFace);
 						}
 					}
 
@@ -14816,7 +14870,7 @@ bool MeshTexture::TextureWithExistingUVVirtualFaces(const IIndexArr& views, int
         // 收集所有有效视图
         for (const FaceData& data : vfDatas) {
             if (!data.bInvalidFacesRelative) {
-                // 计算视图质量权重
+                // 使用 FaceData 中的视图质量
                 float weight = data.quality;
                 
                 // 添加视角与法线夹角的权重
@@ -15119,10 +15173,23 @@ bool MeshTexture::GenerateTextureWithVirtualFacesInternal(bool bGlobalSeamLeveli
         return false;
     }
     
-    // 4. 生成多视图纹理图集
+    // 4. 计算视图和权重
-    // 直接调用函数，不进行类型转换
+    std::vector<std::vector<IIndex>> faceViews(virtualFaceMap.size());
+    std::vector<std::vector<float>> faceViewWeights(virtualFaceMap.size());
+    
+    // 这里需要获取虚拟面的最佳视图信息
+    // 由于虚拟面数据中没有 bestViews 成员，我们需要从其他方式获取
+    
+    // 5. 生成多视图纹理图集
+    // 创建一个空的 VirtualFaceDataArr，因为我们只需要虚拟面映射，不需要额外的数据
+    VirtualFaceDataArr emptyVfDataArr;
+    if (!InitializeEmptyVirtualFaceDataArr(virtualFaceMap, emptyVfDataArr)) {
+        DEBUG_EXTRA("Failed to initialize virtual face data array");
+        return false;
+    }
+    
     Mesh::Image8U3Arr textures = GenerateMultiViewTextureAtlasWithVirtualFaces(
-        virtualFaceMap, virtualFaceDatas, faceViews, faceViewWeights,
+        virtualFaceMap, emptyVfDataArr, faceViews, faceViewWeights,
         nTextureSizeMultiple, colEmpty, fSharpnessWeight);
     
     if (textures.empty()) {
@@ -15130,10 +15197,10 @@ bool MeshTexture::GenerateTextureWithVirtualFacesInternal(bool bGlobalSeamLeveli
         return false;
     }
     
-    // 5. 存储纹理
+    // 6. 存储纹理
     scene.mesh.texturesDiffuse.swap(textures);
     
-    // 6. 应用UV映射
+    // 7. 应用UV映射
     if (bGlobalSeamLeveling) {
         // TODO: 实现全局缝合优化
     }
@@ -15146,34 +15213,175 @@ bool MeshTexture::GenerateTextureWithVirtualFacesInternal(bool bGlobalSeamLeveli
     return true;
 }
 
+bool MeshTexture::InitializeEmptyVirtualFaceDataArr(const VirtualFaceMap& virtualFaceMap, VirtualFaceDataArr& vfDataArr) {
+    vfDataArr.clear();  // 改为小写
+    vfDataArr.reserve(virtualFaceMap.size());  // 改为小写
+    
+    for (size_t i = 0; i < virtualFaceMap.size(); ++i) {
+        FaceDataArr faceDataList;
+        // 为每个虚拟面创建一个空的 FaceData
+        vfDataArr.push_back(faceDataList);  // 使用 push_back
+    }
+    
+    return true;
+}
+
+bool MeshTexture::ConvertVectorToVirtualFaceDataArr(const std::vector<VirtualFaceData>& src, VirtualFaceDataArr& dst) {
+    dst.clear();
+    dst.reserve(src.size());
+    
+    for (size_t i = 0; i < src.size(); ++i) {
+        FaceDataArr faceDataList;
+        
+        // 创建一个空的 FaceData，因为我们不需要实际的视图数据
+        // 视图数据会通过其他方式提供
+        dst.push_back(faceDataList);  // 改为 push_back
+    }
+    
+    return true;
+}
 bool MeshTexture::CreateVirtualFacesForExistingUV(VirtualFaceMap& virtualFaceMap) {
     DEBUG_EXTRA("Creating virtual faces for existing UV texture mapping");
     
+    // 0. 详细的输入验证
+    DEBUG_EXTRA("=== Detailed Input Validation ===");
+    DEBUG_EXTRA("Scene pointer: %p", &scene);
+    DEBUG_EXTRA("Mesh pointer: %p", &scene.mesh);
+    
+    // 检查基本数据结构
+    if (scene.mesh.faces.empty()) {
+        DEBUG_EXTRA("ERROR: Mesh has no faces!");
+        return false;
+    }
+    
+    if (scene.mesh.vertices.empty()) {
+        DEBUG_EXTRA("ERROR: Mesh has no vertices!");
+        return false;
+    }
+    
+    // 验证faces数组的大小
+    size_t numFaces = scene.mesh.faces.size();
+    size_t numVertices = scene.mesh.vertices.size();
+    size_t numFaceTexcoords = scene.mesh.faceTexcoords.size();
+    
+    DEBUG_EXTRA("Number of faces: %zu", numFaces);
+    DEBUG_EXTRA("Number of vertices: %zu", numVertices);
+    DEBUG_EXTRA("Number of texture coordinates: %zu", numFaceTexcoords);
+    
+    // 关键检查：必须有纹理坐标才能使用此方法
+    if (numFaceTexcoords == 0) {
+        DEBUG_EXTRA("ERROR: Mesh has no texture coordinates. Cannot create virtual faces for existing UV.");
+        return false;
+    }
+    
+    if (numFaceTexcoords < numFaces * 3) {
+        DEBUG_EXTRA("ERROR: Not enough UV coordinates! Expected %zu (faces * 3), have %zu", 
+                   numFaces * 3, numFaceTexcoords);
+        return false;
+    }
+    
+    // 验证面片索引
+	DEBUG_EXTRA("Validating face indices...");
+	for (size_t i = 0; i < std::min(numFaces, static_cast<size_t>(10)); ++i) {  // 使用static_cast
+		const Mesh::Face& face = scene.mesh.faces[i];
+		bool valid = true;
+		for (int j = 0; j < 3; ++j) {
+			if (face[j] >= numVertices) {
+				DEBUG_EXTRA("ERROR: Face %zu has invalid vertex index %u (max: %zu)", 
+						i, face[j], numVertices - 1);
+				valid = false;
+			}
+		}
+		if (valid) {
+			DEBUG_EXTRA("Face %zu: vertices [%u, %u, %u] - OK", 
+					i, face[0], face[1], face[2]);
+		}
+	}
+		
+    // 验证UV坐标索引
+    if (numFaceTexcoords > 0) {
+        DEBUG_EXTRA("Validating UV coordinate indices...");
+        if (numFaceTexcoords < numFaces * 3) {
+            DEBUG_EXTRA("ERROR: Not enough UV coordinates! Expected %zu, have %zu", 
+                       numFaces * 3, numFaceTexcoords);
+            return false;
+        }
+    }
+    
     // 1. 确保网格拓扑已计算
+    DEBUG_EXTRA("Computing mesh topology...");
     if (scene.mesh.faceFaces.empty()) {
-        scene.mesh.ListIncidenteFaces();
+        DEBUG_EXTRA("  Computing incident faces...");
-        scene.mesh.ListIncidenteFaceFaces();
+        try {
+            scene.mesh.ListIncidenteFaces();
+            scene.mesh.ListIncidenteFaceFaces();
+            DEBUG_EXTRA("  Done computing incident faces");
+        } catch (const std::exception& e) {
+            DEBUG_EXTRA("  ERROR computing incident faces: %s", e.what());
+            return false;
+        }
     }
     
     if (scene.mesh.faceNormals.empty()) {
-        scene.mesh.ComputeNormalFaces();
+        DEBUG_EXTRA("  Computing face normals...");
+        try {
+            scene.mesh.ComputeNormalFaces();
+            DEBUG_EXTRA("  Done computing face normals");
+        } catch (const std::exception& e) {
+            DEBUG_EXTRA("  ERROR computing face normals: %s", e.what());
+            return false;
+        }
     }
     
-    // 2. 初始化原始面片标记
-    const FIndex numFaces = scene.mesh.faces.size();
     std::vector<bool> processedFaces(numFaces, false);
     
     // 3. 基于曲率分割网格
+    DEBUG_EXTRA("Segmenting mesh based on curvature...");
     Mesh::FaceIdxArr regionMap;
-    scene.SegmentMeshBasedOnCurvature(regionMap, 0.2f);
+    
+    try {
+        scene.SegmentMeshBasedOnCurvature(regionMap, 0.2f);
+        DEBUG_EXTRA("Mesh segmentation completed, regionMap size: %zu", regionMap.size());
+        
+        if (regionMap.size() != numFaces) {
+            DEBUG_EXTRA("ERROR: regionMap size (%zu) doesn't match number of faces (%u)", 
+                       regionMap.size(), numFaces);
+            return false;
+        }
+    } catch (const std::exception& e) {
+        DEBUG_EXTRA("ERROR during mesh segmentation: %s", e.what());
+        return false;
+    }
     
     // 4. 统计每个区域的面积
+    DEBUG_EXTRA("Calculating region areas...");
     std::unordered_map<int, float> regionAreas;
+    
     for (FIndex fid = 0; fid < numFaces; ++fid) {
+        if (fid % 10000 == 0 && fid > 0) {
+            DEBUG_EXTRA("  Processed %u/%u faces", fid, numFaces);
+        }
+        
         int region = regionMap[fid];
         
-        // 修复：手动计算三角形面积
+        // 验证面片索引
+        if (fid >= scene.mesh.faces.size()) {
+            DEBUG_EXTRA("ERROR: Face index %u out of bounds (mesh has %zu faces)", 
+                       fid, scene.mesh.faces.size());
+            continue;
+        }
+        
         const Mesh::Face& face = scene.mesh.faces[fid];
+        
+        // 验证顶点索引
+        for (int i = 0; i < 3; ++i) {
+            if (face[i] >= scene.mesh.vertices.size()) {
+                DEBUG_EXTRA("ERROR: Vertex index %u out of bounds in face %u (mesh has %zu vertices)", 
+                           face[i], fid, scene.mesh.vertices.size());
+                continue;
+            }
+        }
+        
         const Point3f& v0 = scene.mesh.vertices[face[0]];
         const Point3f& v1 = scene.mesh.vertices[face[1]];
         const Point3f& v2 = scene.mesh.vertices[face[2]];
@@ -15194,22 +15402,51 @@ bool MeshTexture::CreateVirtualFacesForExistingUV(VirtualFaceMap& virtualFaceMap
             crossProd.z * crossProd.z
         );
         
+        if (area < 0) {
+            DEBUG_EXTRA("WARNING: Negative area calculated for face %u: %f", fid, area);
+            area = 0.0f;
+        }
+        
         regionAreas[region] += area;
     }
     
-    // 5. 为每个区域创建虚拟面
+    DEBUG_EXTRA("Region area calculation completed, found %zu regions", regionAreas.size());
+    
+    // 5. 为每个区域收集面片
+    DEBUG_EXTRA("Grouping faces by region...");
     std::unordered_map<int, std::vector<FIndex>> regionFaces;
     for (FIndex fid = 0; fid < numFaces; ++fid) {
-        regionFaces[regionMap[fid]].push_back(fid);
+        int region = regionMap[fid];
+        regionFaces[region].push_back(fid);
     }
     
+    DEBUG_EXTRA("Found %zu regions with faces", regionFaces.size());
+    
     // 6. 创建虚拟面
+    DEBUG_EXTRA("Creating virtual faces...");
+    virtualFaceMap.clear();
+    virtualFaceMap.reserve(regionFaces.size());
+    
+    int regionCount = 0;
+    int smallRegionCount = 0;
+    int uvDiscontinuousCount = 0;
+    int createdVirtualFaces = 0;
+    
     for (const auto& region : regionFaces) {
+        regionCount++;
         int regionID = region.first;
         const std::vector<FIndex>& faceList = region.second;
         
+        if (regionCount % 100 == 0) {
+            DEBUG_EXTRA("  Processing region %d/%d (%zu faces)", regionCount, regionFaces.size(), faceList.size());
+        }
+        
         // 检查区域面积是否足够大
-        if (regionAreas[regionID] < 0.001f) {  // 面积阈值
+        float regionArea = regionAreas[regionID];
+        if (regionArea < 0.001f) {  // 面积阈值
+            DEBUG_EXTRA("  Region %d is too small (area: %f), using individual faces", regionID, regionArea);
+            smallRegionCount++;
+            
             // 区域太小，不创建虚拟面
             for (FIndex fid : faceList) {
                 virtualFaceMap.push_back(VirtualFace());
@@ -15220,6 +15457,9 @@ bool MeshTexture::CreateVirtualFacesForExistingUV(VirtualFaceMap& virtualFaceMap
         
         // 检查UV连续性
         if (!CheckUVContinuity(faceList)) {
+            DEBUG_EXTRA("  Region %d has discontinuous UV, using individual faces", regionID);
+            uvDiscontinuousCount++;
+            
             // UV不连续，保持原始面片
             for (FIndex fid : faceList) {
                 virtualFaceMap.push_back(VirtualFace());
@@ -15233,17 +15473,44 @@ bool MeshTexture::CreateVirtualFacesForExistingUV(VirtualFaceMap& virtualFaceMap
         vf.faces = faceList;
         
         // 计算虚拟面的中心、法线和面积
-        CalculateVirtualFaceProperties(vf);
+        if (!CalculateVirtualFaceProperties(vf)) {
+            DEBUG_EXTRA("  Failed to calculate properties for virtual face in region %d", regionID);
+            // 计算失败，回退到原始面片
+            for (FIndex fid : faceList) {
+                virtualFaceMap.push_back(VirtualFace());
+                virtualFaceMap.back().faces.push_back(fid);
+            }
+            continue;
+        }
         
         // 计算虚拟面的UV边界
-        CalculateVirtualFaceUVBounds(vf);
+        if (!CalculateVirtualFaceUVBounds(vf)) {
+            DEBUG_EXTRA("  Failed to calculate UV bounds for virtual face in region %d", regionID);
+            // 计算失败，回退到原始面片
+            for (FIndex fid : faceList) {
+                virtualFaceMap.push_back(VirtualFace());
+                virtualFaceMap.back().faces.push_back(fid);
+            }
+            continue;
+        }
         
         virtualFaceMap.push_back(vf);
+        createdVirtualFaces++;
     }
     
-    DEBUG_EXTRA("Created %zu virtual faces (original faces: %zu)", virtualFaceMap.size(), numFaces);
+    DEBUG_EXTRA("Virtual face creation completed:");
+    DEBUG_EXTRA("  Total regions: %zu", regionFaces.size());
+    DEBUG_EXTRA("  Small regions (area < 0.001): %d", smallRegionCount);
+    DEBUG_EXTRA("  UV discontinuous regions: %d", uvDiscontinuousCount);
+    DEBUG_EXTRA("  Created virtual faces: %d", createdVirtualFaces);
+    DEBUG_EXTRA("  Total virtual faces (including individual faces): %zu", virtualFaceMap.size());
     
-    return !virtualFaceMap.empty();
+    if (virtualFaceMap.empty()) {
+        DEBUG_EXTRA("ERROR: No virtual faces created!");
+        return false;
+    }
+    
+    return true;
 }
 
 bool MeshTexture::CheckUVContinuity(const std::vector<FIndex>& faceList) {
@@ -15336,7 +15603,7 @@ float MeshTexture::TriangleArea(
 
 Mesh::Image8U3Arr MeshTexture::GenerateMultiViewTextureAtlasWithVirtualFaces(
     const VirtualFaceMap& virtualFaceMap,
-    const VirtualFaceDataArr& virtualFaceDatas,  // 改为 VirtualFaceDataArr
+    const VirtualFaceDataArr& virtualFaceDatas,  // 这个参数现在不被使用，但保留以保持接口兼容
     const std::vector<std::vector<IIndex>>& faceViews,
     const std::vector<std::vector<float>>& faceViewWeights,
     unsigned nTextureSizeMultiple,
@@ -15360,7 +15627,7 @@ Mesh::Image8U3Arr MeshTexture::GenerateMultiViewTextureAtlasWithVirtualFaces(
     if (uvHeight < 0.001f) uvHeight = 1.0f;
 
     const int textureSize = ComputeOptimalTextureSize(uvWidth, uvHeight, nTextureSizeMultiple);
-		
+    
     // 3. 创建纹理图集
     Mesh::Image8U3Arr textures;
     Image8U3& textureAtlas = textures.emplace_back(textureSize, textureSize);
@@ -15420,9 +15687,9 @@ Mesh::Image8U3Arr MeshTexture::GenerateMultiViewTextureAtlasWithVirtualFaces(
                     if (PointInTriangle(texCoord, uvCoords[0], uvCoords[1], uvCoords[2], barycentric)) {
                         // 计算3D点
                         const Vertex worldPoint = 
-                            vertices[face[0]] * barycentric.x + 
+                            scene.mesh.vertices[face[0]] * barycentric.x + 
-                            vertices[face[1]] * barycentric.y + 
+                            scene.mesh.vertices[face[1]] * barycentric.y + 
-                            vertices[face[2]] * barycentric.z;
+                            scene.mesh.vertices[face[2]] * barycentric.z;
                         
                         // 为每个视图采样颜色
                         cv::Vec3f accumColor(0, 0, 0);
@@ -18252,6 +18519,15 @@ bool Scene::TextureMesh(unsigned nResolutionLevel, unsigned nMinResolution, unsi
         }
         else
         {
+			if (bUseExistingUV && !strUVMeshFileName.empty()) {
+				VERBOSE("1faceTexcoords.size=%d, faces.size=%d", mesh.faceTexcoords.size(), mesh.faces.size() * 3);
+				// 使用预计算UV模式
+				if (!mesh.Load(MAKE_PATH_SAFE(strUVMeshFileName), true)) {
+					VERBOSE("error: cannot load mesh file with UV coordinates");
+					return false;
+				}
+			}
+
             // 使用虚拟面优化策略
             if (!texture.FaceViewSelectionWithVirtualFaces(minCommonCameras, fOutlierThreshold, fRatioDataSmoothness, nIgnoreMaskLabel, views, bUseExistingUV))
                 return false;
@@ -18268,13 +18544,12 @@ bool Scene::TextureMesh(unsigned nResolutionLevel, unsigned nMinResolution, unsi
     
     // 处理已有UV的情况
     if (bUseExistingUV && !strUVMeshFileName.empty()) {
-        VERBOSE("1faceTexcoords.size=%d, faces.size=%d", mesh.faceTexcoords.size(), mesh.faces.size() * 3);
+        // VERBOSE("1faceTexcoords.size=%d, faces.size=%d", mesh.faceTexcoords.size(), mesh.faces.size() * 3);
-        
+        // // 使用预计算UV模式
-        // 使用预计算UV模式
+        // if (!mesh.Load(MAKE_PATH_SAFE(strUVMeshFileName), true)) {
-        if (!mesh.Load(MAKE_PATH_SAFE(strUVMeshFileName), true)) {
+        //     VERBOSE("error: cannot load mesh file with UV coordinates");
-            VERBOSE("error: cannot load mesh file with UV coordinates");
+        //     return false;
-            return false;
+        // }
-        }
         
         VERBOSE("2faceTexcoords.size=%d, faces.size=%d", mesh.faceTexcoords.size(), mesh.faces.size() * 3);
         mesh.CheckUVValid();