IDL编程：批量图像裁剪及重采样。调用resize_doit批处理函数，dims设置裁剪矩形的边界点，rfact设置重采样的大小比例系数。此程序只需要修改输入输出路径即可。-IDL Programming: batch image cropping and resampling. Call resize_doit batch function, dims boundary point set the cropping rectangle, rfact resampling set the size of the scale factor. This program only need to modify the input and output path.