最佳视图选择逻辑优化

libs/MVS/SceneTexture.cpp

@@ -5714,7 +5714,8 @@ bool MeshTexture::CreateVirtualFaces64(FaceDataViewArr& facesDatas, FaceDataView
     }
 
 	// 如果夹角小于45度（cos(45°) ≈ 0.7071），则计入覆盖
-	float fAngleThreshold = 0.7071; // 0.7071f
+	float fAngleThreshold1 = 0.671; // 0.7071f
+	float fAngleThreshold2 = 0.8071; // 0.7071f
 	
     // 初始化数据结构
     std::vector<bool> processedFaces(faces.size(), false);
@@ -5796,10 +5797,15 @@ bool MeshTexture::CreateVirtualFaces64(FaceDataViewArr& facesDatas, FaceDataView
             const Normal& faceNormal = scene.mesh.faceNormals[idxFace];
             const float cosAngle = cameraForward.dot(Point3f(faceNormal.x, faceNormal.y, faceNormal.z));
             
-            if (cosAngle > fAngleThreshold)
-			{  // 45度阈值
+            if (cosAngle > fAngleThreshold2)
+			{
                 coverageCount++;
 
+				// viewData.faceToIndexMap[idxFace] = idxFace;
+            }
+
+            if (cosAngle > fAngleThreshold1)
+			{
 				viewData.faceToIndexMap[idxFace] = idxFace;
             }
         }
@@ -6006,13 +6012,14 @@ bool MeshTexture::CreateVirtualFaces64(FaceDataViewArr& facesDatas, FaceDataView
 
 			IIndexArr filteredCams;
 
-			int nHitCount = 0;
-			int nMaxHit = 400;
-			int nMaxViewCoverage = 0;
+			int nHit = 0;
+			int nHitMax = 1;
+			int nViewCoverage = 0;
+			int nViewCoverageMax = -1;
 			for (const auto& [viewIdx, coverageCount] : viewCoverage) {
-				if (nMaxViewCoverage>12)
-					if (nHitCount>nMaxHit)
-						break;
+				if (nViewCoverage>=nViewCoverageMax)
+					// if (nHit>nHitMax)
+					break;
 						
 				auto it_view = mapViewCoverageData.find(viewIdx);
 				if (it_view == mapViewCoverageData.end()) {
@@ -6047,14 +6054,14 @@ bool MeshTexture::CreateVirtualFaces64(FaceDataViewArr& facesDatas, FaceDataView
 					if (!scene.is_face_delete_edge2(strName, virtualFaceCenterFaceID))
 					{
 						filteredCams.push_back(viewIdx);
-						++nHitCount;
+						++nHit;
 
-						if (nHitCount>nMaxHit)
-							break;
+						// if (nHit>=nHitMax)
+						//	break;
 					}
 				}
 
-				++nMaxViewCoverage;
+				++nViewCoverage;
 			}
 
 			if (filteredCams.empty()) {