代码更新

test_load_json.py

@@ -152,127 +152,6 @@ def compute_mesh_center(vertices):
     centroid = np.array([sum_x / n, sum_y / n, sum_z / n])
     return centroid
 
-def load_and_show(base_path, json_name="3DPrintLayout.json"):
-    # 加载并变换所有模型
-    transformed_meshes = load_and_transform_models(base_path, {}, json_name)
-    
-    if not transformed_meshes:
-        print("没有加载到任何模型，请检查错误信息")
-    else:
-        print(f"成功加载并变换了 {len(transformed_meshes)} 个模型")
-        
-        # 可视化所有模型
-        print("显示所有模型... (按'Q'退出)")
-
-        try:
-            from packaging import version
-            o3d_version = version.parse(o3d.__version__)
-            # 新版本 draw_geometries 参数
-            if o3d_version >= version.parse("0.13.0"):
-                o3d.visualization.draw_geometries(
-                    transformed_meshes,
-                    window_name="模型展示",
-                    mesh_show_back_face=True,
-                    mesh_show_wireframe=False
-                )
-            # 旧版本 draw_geometries 参数
-            else:
-                o3d.visualization.draw_geometries(
-                    transformed_meshes,
-                    window_name="模型展示",
-                    point_show_normal=False,
-                    mesh_show_back_face=True
-                )
-        except Exception as e:
-            print(f"使用 draw_geometries 可视化失败: {e}")
-
-def setup_orthographic_camera(vis, meshes, ortho_width=15.0, camera_height=20.0):
-    """
-    设置精确的正交投影相机
-    """
-    view_control = vis.get_view_control()
-    
-    # 计算场景边界框以确定合适的正交参数
-    all_points = []
-    for mesh in meshes:
-        if hasattr(mesh, 'vertices'):
-            points = np.asarray(mesh.vertices)
-        else:
-            points = np.asarray(mesh.points)
-        all_points.append(points)
-    
-    if all_points:
-        all_points = np.vstack(all_points)
-        bbox_min = np.min(all_points, axis=0)
-        bbox_max = np.max(all_points, axis=0)
-        scene_center = (bbox_min + bbox_max) / 2
-        scene_size = np.max(bbox_max - bbox_min)
-        
-        # 设置观察点为场景中心
-        view_control.set_lookat(scene_center)
-        
-        # 设置相机在场景上方，俯视场景
-        view_control.set_front([0, 0, -1])  # 看向负Z轴（从上向下）
-        view_control.set_up([0, 1, 0])      # Y轴向上
-        
-        try:
-            # 启用正交投影
-            view_control.set_orthogonal(True)
-            # 根据场景大小设置正交投影宽度
-            view_control.set_orthogonal_width(max(scene_size * 1.2, ortho_width))
-            print(f"正交投影已设置: 宽度={max(scene_size * 1.2, ortho_width):.2f}")
-        except AttributeError:
-            # 回退到透视投影模拟
-            view_control.set_zoom(0.1)
-            print("使用透视投影模拟正交效果")
-    
-    return True
-
-def auto_fit_to_view(vis, meshes):
-    """
-    自动调整视图以显示所有模型
-    """
-    view_control = vis.get_view_control()
-    
-    # 方法1: 使用 Open3D 的自动适配功能
-    try:
-        view_control.fit_to_geometry(meshes)
-        print("已自动适配视图以显示所有模型")
-        return True
-    except:
-        pass
-    
-    # 方法2: 手动计算并设置
-    all_points = []
-    for mesh in meshes:
-        if hasattr(mesh, 'vertices'):
-            points = np.asarray(mesh.vertices)
-        elif hasattr(mesh, 'points'):
-            points = np.asarray(mesh.points)
-        else:
-            continue
-        all_points.append(points)
-    
-    if all_points:
-        all_points = np.vstack(all_points)
-        bbox_min = np.min(all_points, axis=0)
-        bbox_max = np.max(all_points, axis=0)
-        scene_center = (bbox_min + bbox_max) / 2
-        scene_size = np.max(bbox_max - bbox_min)
-        
-        # 设置合适的视角和缩放
-        view_control.set_lookat(scene_center)
-        
-        # 根据场景大小设置 zoom
-        zoom_level = max(0.05, min(1.0, 10.0 / scene_size))
-        zoom_level = 0.5
-        view_control.set_zoom(zoom_level)
-        
-        print(f"手动适配视图: 场景大小 {scene_size:.2f}, zoom {zoom_level:.3f}")
-        return True
-    
-    return False
-
 def set_orthographic_camera(view_control, desired_width=1920, desired_height=1080):
     """
     通过相机参数设置正交投影，并确保尺寸匹配