mapyrus能够将点、线、多边形、标注、符号等按PDF、POSTscr ipt、SVG、WEB IMAGE等格式输出。提供编程手段，满足不同开发需求。-mapyrus able to point, line, polygon, tagging, and other symbols on PDF, POSTscr ipt, SVG, WEB IMAGE output formats. Provide programming tools to meet different needs of dev

envi5的工作流描述及具体应用，主要包括图像配准、分类、动态监测等流程-envi5 workflow descr iption and specific applications, including image registration, classification, dynamic monitoring and other processes