proj编译安装
This article details the compilation and installation of PROJ (Cartographic Projections library) version 9.4.1 on a Linux system. It outlines the steps involved: downloading the source code, extracting the archive, installing necessary dependencies (sqlite-devel, libtiff-devel, libcurl-devel using yum), configuring the installation prefix using cmake, compiling the code using make, and finally installing the compiled library using make install. The installation directory is specified as /usr/local/proj_9.