【摘要】 结合实际应用,介绍了GIS的基本概念。对滇中地区地理信息系统及其专题信息系统的开发和应用状况进行了初步介绍。针对该地区地理信息系统建设中存在各自为政、数据源共享性较差等情况,提出了建议。更多还原

【Abstract】 Basic concept of GIS is introduced combined with actual application. Development and application status quo of GIS and special topic information system is as well introduced briefly in mid-Yunnan. In allusion to the instance of each do things in their own way and lack of the share of data resource, several proposals are put forward.更多还原