排除最上一排的算法

libs/MVS/SceneTexture.cpp

@@ -16099,7 +16099,7 @@ void MeshTexture::ApplyGlobalSeamLevelingOnRCPatches(
 
             // ★ 如果求逆策略全部越界，尝试直接用 H（不逆）
             if (allOutOfRange) {
-                printf("[DIAG] Invert strategy failed for pi=%d, trying direct H...\n", pi);
+                // printf("[DIAG] Invert strategy failed for pi=%d, trying direct H...\n", pi);
                 
                 const float* H_direct = geom.homography.ptr<float>();
                 allOutOfRange = true;
@@ -16143,7 +16143,7 @@ void MeshTexture::ApplyGlobalSeamLevelingOnRCPatches(
 
             // 如果两种策略都失败，跳过这个虚拟面
             if (allOutOfRange) {
-                printf("[WARN] Both mapping strategies failed for pi=%d, vfID=%u\n", pi, vfID);
+                // printf("[WARN] Both mapping strategies failed for pi=%d, vfID=%u\n", pi, vfID);
                 continue;
             }
 
@@ -17904,6 +17904,63 @@ bool MeshTexture::SelectBestViewsForVirtualFaces(
         (int)faceNeighbors.empty());
 
     DEBUG_EXTRA("Selecting best views for %zu virtual faces", virtualFaceMap.size());
+	
+	// ---------- 准备禁用视图列表（禁用最后一个单独数字 = 最大值的【所有】相机） ----------
+	std::unordered_set<IIndex> disabledViews;
+	{
+		struct ViewDigitPair {
+			IIndex idx;
+			int digit;
+		};
+		std::vector<ViewDigitPair> viewDigits;
+
+		for (IIndex idx = 0; idx < (IIndex)images.size(); ++idx) {
+			const Image& img = images[idx];
+			if (!img.IsValid()) continue;
+
+			// 提取文件名（不含路径和扩展名）
+			std::string path = img.name;
+			size_t lastSlash = path.find_last_of("/\\");
+			size_t start = (lastSlash == std::string::npos) ? 0 : lastSlash + 1;
+			size_t lastDot = path.find_last_of('.');
+			if (lastDot == std::string::npos) lastDot = path.size();
+			std::string strName = path.substr(start, lastDot - start);
+
+			// 提取最后一个 _ 前面的最后一个数字字符
+			int digit = -1;
+			size_t lastUnderscore = strName.find_last_of('_');
+			if (lastUnderscore != std::string::npos && lastUnderscore > 0) {
+				for (size_t pos = lastUnderscore - 1; ; --pos) {
+					if (std::isdigit(strName[pos])) {
+						digit = strName[pos] - '0';
+						break;
+					}
+					if (pos == 0) break;
+				}
+			}
+
+			if (digit >= 0) {
+				viewDigits.push_back({idx, digit});
+			}
+		}
+
+		// ★ 找到最大的 digit 值
+		int maxDigit = -1;
+		for (const auto& vd : viewDigits) {
+			if (vd.digit > maxDigit) maxDigit = vd.digit;
+		}
+
+		// ★ 禁用【所有】digit == maxDigit 的视图（不再只禁前 N 个）
+		for (const auto& vd : viewDigits) {
+			if (vd.digit == maxDigit) {
+				disabledViews.insert(vd.idx);
+				DEBUG_EXTRA("[DisabledView] idx=%d name=%s digit=%d (maxDigit=%d)",
+							vd.idx, images[vd.idx].name.c_str(), vd.digit, maxDigit);
+			}
+		}
+		DEBUG_EXTRA("[DisabledView] %zu views disabled (all with digit=%d)",
+					disabledViews.size(), maxDigit);
+	}
 
     // ---------- 初始化 ----------
     faceViews.resize(virtualFaceMap.size());
@@ -17967,15 +18024,32 @@ bool MeshTexture::SelectBestViewsForVirtualFaces(
         FIndex faceID = vf.faces[0];
         if (faceID >= faceNeighbors.size()) continue;
 
-        std::unordered_set<IIndex> candidateViews;
-        for (FIndex fid : vf.faces) {
-            if (fid >= faceNeighbors.size()) continue;
-            for (IIndex vid : faceNeighbors[fid]) {
-                if (views.empty() || views.FindFirst(vid) != NO_ID) {
-                    candidateViews.insert(vid);
-                }
-            }
-        }
+		std::unordered_set<IIndex> candidateViews;
+		for (FIndex fid : vf.faces) {
+			if (fid >= faceNeighbors.size()) continue;
+			for (IIndex vid : faceNeighbors[fid]) {
+				if (views.empty() || views.FindFirst(vid) != NO_ID) {
+					// ★ 排除禁用视图（优先选择小数字的视图）
+					if (disabledViews.count(vid) == 0) {
+						candidateViews.insert(vid);
+					}
+				}
+			}
+		}
+
+		// ★ 如果候选视图为空，放宽限制允许禁用视图参与
+		if (candidateViews.empty()) {
+			for (FIndex fid : vf.faces) {
+				if (fid >= faceNeighbors.size()) continue;
+				for (IIndex vid : faceNeighbors[fid]) {
+					if (views.empty() || views.FindFirst(vid) != NO_ID) {
+						candidateViews.insert(vid);
+					}
+				}
+			}
+			// DEBUG_EXTRA("[Fallback] pi=%zu: allowed disabled views, got %zu candidates", 
+			// 			i, candidateViews.size());
+		}
 
         if (candidateViews.empty()) {
             ++emptyCandidateViews;