PHP扩展模块，如何让你使用C C++进行扩展PHP原生功能不支持扩展！-Extension PHP module, to let you use the C C++ to extend PHP function does not support native extensions!

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

arcgis一些文件后缀名整理，闲暇时间一点一点总结出来的，给大家提供一些小方便-Some file extensions arcgis finishing, leisure time summed up little by little, to provide some small convenience

All the file extensions