摘要
组件式GIS是GIS与组件技术相结合的新一代地理信息系统。介绍了地理信息系统和组件式GIS的基本概念、组件式GIS的基本优点,以及SuperMapObjects组件开发平台的组成、功能划分和数据组织。阐述了使用SuperMapObjects组件进行GIS应用软件二次开发的一般方法和步骤,以及在VB中使用SuperMapObjects组件对象的基本步骤,并以VB为开发环境,结合SuperMapObjects核心组件,给出了一个能把空间数据库的数据进行地图显示的实例程序,演示了如何使用SuperMapObjects组件进行GIS应用软件的二次开发。
Component GIS, combined with GIS and component technology, is a mainstream in GIS technology. This paper introduces the concept of GIS and component GIS and presents the merits of component GIS and the structure ,functions and data organization of SuperMap Objects component development platform. Meanwhile it shows the common method of GIS application development by using SuperMap Objects components and the steps of using SuperMap Objects in VISUAL BASIC. Also, it describes a sample to demonstrate how to develop GIS application based on SuperMap Objects. The sample is combined with VISUAL BASIC and SuperMap Objects components, such as SuperWorkspace component, SuperMap component, and thus possesses the function of graph display of data stored in spatial database.
出处
《四川测绘》
2004年第1期3-5,共3页
Surveying and Mapping of Sichuan