vtkDEMReader reads digital elevation files and creates image data. Digital elevation files are produced by the US Geological Survey. A complete description of the DEM file is located at the USGS site. The reader reads the entire dem file and create a
python中逐行读取文件的最佳方式_Drupal_新浪博客 python中逐行读取文件的最佳方式 (2010-08-18 15:59:28) 转载▼ 标签: python 逐行 读取 文件 最佳 方式 readline it 利用迭代协议让for循环自动调用next从而前进到文件的下一行,而不是直接把文件读取到内存中,有三点原因:写法简单,运行速度快,节省内存.示例如下: for line in op