Update app.py

app.py

@@ -352,14 +352,15 @@ def extract_glb(state: dict, mesh_simplify: float, texture_size: int) -> Tuple[s
                     if hasattr(gs, attr_name):
                         tensor = getattr(gs, attr_name)
                         if torch.is_tensor(tensor):
-                            new_tensor = tensor.clone().detach().float()
+                            # detach()를 사용하여 gradient 추적 제거
+                            new_tensor = tensor.detach().clone().float()
                             setattr(gs, attr_name, new_tensor)
                 
                 # Mesh 텐서들을 변환
                 if hasattr(mesh, 'vertices') and torch.is_tensor(mesh.vertices):
-                    mesh.vertices = mesh.vertices.clone().detach().float()
+                    mesh.vertices = mesh.vertices.detach().clone().float()
                 if hasattr(mesh, 'faces') and torch.is_tensor(mesh.faces):
-                    mesh.faces = mesh.faces.clone().detach().long()
+                    mesh.faces = mesh.faces.detach().clone().long()
                 
                 # GLB 변환 시도
                 glb = postprocessing_utils.to_glb(
@@ -367,12 +368,27 @@ def extract_glb(state: dict, mesh_simplify: float, texture_size: int) -> Tuple[s
                     mesh, 
                     simplify=mesh_simplify, 
                     texture_size=texture_size,
-                    verbose=True
+                    verbose=True,
+                    optimize_uv=True,  # UV 최적화 활성화
+                    optimize_uv_iters=100,  # UV 최적화 반복 횟수
+                    texture_interpolation='linear'  # 텍스처 보간 방법
                 )
                 
             except Exception as e:
                 print(f"Error during GLB conversion: {str(e)}")
-                return None, None
+                # 더 간단한 설정으로 재시도
+                try:
+                    glb = postprocessing_utils.to_glb(
+                        gs, 
+                        mesh, 
+                        simplify=mesh_simplify, 
+                        texture_size=texture_size,
+                        verbose=True,
+                        optimize_uv=False  # UV 최적화 비활성화
+                    )
+                except Exception as e2:
+                    print(f"Second attempt failed: {str(e2)}")
+                    return None, None
             
         if glb is None:
             print("Error: GLB conversion failed")