Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....Contents [ Hide ] 创建空间参考系统 通过 EPSG 标识符 (SRID) 创建空间参考系统 从 WKT (Well-Known...