GIS软件中Undo/Redo操作的设计与实现  

Design and Implementation of Undo/Redo Operation in GIS Software

作　　者：胡最[1] 

机构地区：[1]衡阳师范学院资源环境与旅游管理系,湖南衡阳421008

出　　处：《衡阳师范学院学报》2008年第3期122-124,共3页Journal of Hengyang Normal University

基　　金：衡阳师范学院科研启动项目(07B18);湖南省重点学科建设资助项目

摘　　要：Undo/Redo操作是常见的软件编辑功能。本文在分析Undo/Redo操作的原理和机制的基础上,深入分析了GIS软件中Undo/Redo操作的特点和要求,设计了可以实现GIS软件中Undo/Redo操作的抽象类,并给出了该类的应用实例。Although Undo/Redo operation is a familiar operation in software, to GIS, there is a special requirement with doing the Undo/Redo operation. This paper deeply researches on the Undo/Redo operation of GIS software via the foundation of analysis its principle and mechanism. In addition, this paper designs an abstract class for GIS software＇s Undo/Redo operation. At last, the paper gives an applied example of this class.

关 键 词：UNDO/REDO GIS软件 机制 应用实例 

分 类 号：TP291[自动化与计算机技术—检测技术与自动化装置]