PCD数据是Point Cloud Library（PCL）开发库的数据类型，大家如果使用点云开发的话，需要用到这些数据作为示例。-PCD (Point Cloud Data) file format is used inside Point Cloud Library (PCL). The PCD file format is not meant to reinvent the wheel, but rather to complement existing file formats

在VS2010的开发平台下，结合MFC类库和OPENGL工具，事项STL三维模型文件的读取和显示。-under visual studio 2010 tool,with the help of MFC and opengl tools, it can read and diaplay STL 3D modal file .