code/cube3d/training/absolute_position.py

import os

max_x, max_y, max_z = float('-inf'), float('-inf'), float('-inf')

# 设置根目录路径，所有文件夹都位于此目录下
root_dir = '/public/home/wangshuo/gap/assembly/data'  # 替换为你的根目录路径

# 遍历根目录下的每个文件夹
for folder_name in os.listdir(root_dir):
    folder_path = os.path.join(root_dir, folder_name)
    
    if os.path.isdir(folder_path):
        # 设置原始 LDR 文件路径
        original_file_path = os.path.join(folder_path, f'{folder_name}.ldr')
        
        # 检查文件是否存在
        if os.path.exists(original_file_path):
            # 打开并读取原始 LDR 文件
            with open(original_file_path, "r") as file:
                lines = file.readlines()

            if len(lines) > 310:
                continue
            # 初始化最小坐标值
            min_x, min_y, min_z = float('inf'), float('inf'), float('inf')

            # 第一遍遍历文件找到最小坐标值
            for line in lines:
                parts = line.split()  # 按空格分割行数据
                if len(parts) == 15:  # 检查是否为零件数据行
                    # 提取 x, y, z 坐标
                    x, y, z = float(parts[2]), float(parts[3]), float(parts[4])

                    # 更新最小坐标值
                    min_x = min(min_x, x)
                    min_y = min(min_y, y)
                    min_z = min(min_z, z)

            # 新的 LDR 文件内容
            new_lines = []

            # 第二遍遍历文件，更新坐标
            for line in lines:
                parts = line.split()  # 按空格分割行数据
                if len(parts) == 15:  # 检查是否为零件数据行
                    # 提取 x, y, z 坐标
                    x, y, z = float(parts[2]), float(parts[3]), float(parts[4])

                    # 计算新的坐标
                    x_new = round(x - min_x)
                    y_new = round(y - min_y)
                    z_new = round(z - min_z)

                    # 更新坐标
                    parts[2] = str(x_new)
                    parts[3] = str(y_new)
                    parts[4] = str(z_new)

                    max_x = max(max_x, x_new)
                    max_y = max(max_y, y_new)
                    max_z = max(max_z, z_new)

                    # 将修改后的行添加到新文件内容中
                    new_lines.append(" ".join(parts) + "\n")
                else:
                    # 如果是非零件行，直接添加到新文件中
                    new_lines.append(line)

            # 设置新的 LDR 文件路径
            modified_file_path = os.path.join(folder_path, f'modified_{folder_name}.ldr')

            # 将修改后的内容写入新的 LDR 文件
            with open(modified_file_path, "w") as file:
                file.writelines(new_lines)

            print(f"LDR file '{original_file_path}' has been modified and saved as '{modified_file_path}'")

print(f"Maximum coordinates found across all LDR files:")
print(f"Max X: {max_x}")
print(f"Max Y: {max_y}")
print(f"Max Z: {max_z}")

# import os

# # 设置data目录路径
# data_dir = '/public/home/wangshuo/gap/assembly/data/car_1k/ldr/car_81'  # 替换为你的data目录路径

# # 设置原始LDR文件和保存的新LDR文件的路径
# original_file_path = os.path.join(data_dir, 'car_81.ldr')
# modified_file_path = os.path.join(data_dir, 'modified_model.ldr')

# # 打开并读取原始 LDR 文件
# with open(original_file_path, "r") as file:
#     lines = file.readlines()

# # 新的 LDR 文件内容
# new_lines = []

# # 处理每一行
# for line in lines:
#     parts = line.split()  # 按空格分割行数据
#     if len(parts) == 15:  # 检查是否为零件数据行
#         # 提取 x, y, z 坐标
#         x, y, z = float(parts[2]), float(parts[3]), float(parts[4])

#         # 对坐标进行加法操作
#         x_new = x + 6000
#         y_new = y + 150
#         z_new = z + 2000

#         # 更新坐标
#         parts[2] = str(x_new)
#         parts[3] = str(y_new)
#         parts[4] = str(z_new)

#         # 将修改后的行添加到新文件内容中
#         new_lines.append(" ".join(parts) + "\n")
#     else:
#         # 如果是非零件行，直接添加到新文件中
#         new_lines.append(line)

# # 将修改后的内容写入新的 LDR 文件
# with open(modified_file_path, "w") as file:
#     file.writelines(new_lines)

# print(f"LDR file has been modified and saved as '{modified_file_path}'")