Update app.py

app.py

@@ -347,20 +347,20 @@ def extract_glb(state: dict, mesh_simplify: float, texture_size: int) -> Tuple[s
         # GLB 변환
         with torch.inference_mode():
             try:
-                # Gaussian 텐서들을 requires_grad=True로 설정
+                # Gaussian 텐서들을 float32로 변환
                 for attr_name in ['_xyz', '_features_dc', '_scaling', '_rotation', '_opacity']:
                     if hasattr(gs, attr_name):
                         tensor = getattr(gs, attr_name)
                         if torch.is_tensor(tensor):
-                            # 텐서를 복제하고 requires_grad 설정
-                            new_tensor = tensor.clone().detach().requires_grad_(True)
+                            # 텐서를 float32로 변환
+                            new_tensor = tensor.clone().detach().float()
                             setattr(gs, attr_name, new_tensor)
                 
-                # Mesh 텐서들을 requires_grad=True로 설정
+                # Mesh 텐서들을 float32로 변환
                 if hasattr(mesh, 'vertices') and torch.is_tensor(mesh.vertices):
-                    mesh.vertices = mesh.vertices.clone().detach().requires_grad_(True)
+                    mesh.vertices = mesh.vertices.clone().detach().float()
                 if hasattr(mesh, 'faces') and torch.is_tensor(mesh.faces):
-                    mesh.faces = mesh.faces.clone().detach().requires_grad_(True)
+                    mesh.faces = mesh.faces.clone().detach().long()  # faces는 정수형으로 유지
                 
                 # GLB 변환 시도
                 try:
@@ -370,8 +370,8 @@ def extract_glb(state: dict, mesh_simplify: float, texture_size: int) -> Tuple[s
                         simplify=mesh_simplify, 
                         texture_size=texture_size, 
                         verbose=True,
-                        optimize_uv=True,  # UV 최적화 활성화
-                        optimize_steps=2500  # 최적화 스텝 수 설정
+                        optimize_uv=True,
+                        optimize_steps=2500
                     )
                 except RuntimeError as e:
                     print(f"GLB conversion failed with RuntimeError: {str(e)}")
@@ -382,7 +382,7 @@ def extract_glb(state: dict, mesh_simplify: float, texture_size: int) -> Tuple[s
                         simplify=mesh_simplify, 
                         texture_size=texture_size, 
                         verbose=True,
-                        optimize_uv=False  # UV 최적화 비활성화
+                        optimize_uv=False
                     )
                 
             except Exception as e: