摘要
该文在对面向数据流的系统设计方法介绍的基础上,将该方法运用于土地适宜性评价中。通过对土地适宜性评价系统数据分析获得土地适宜性评价系统数据流模型即分层数据流图;并根据土地适宜性评价系统数据分析结果进行结构设计获得系统结构图;最后根据系统结构实现土地适宜性评价系统。通过面向数据流的系统设计方法,提高了土地适宜性评价设计的效率和准确性。
The system design method of dataflow-oriented was applied to land suitability evaluation based on the introduce of dataflow-oriented design method in this paper. Through the data analysis of land suitabili- ty assessment system, this method obtained the data flow model of the land suitability assessment system namely multilevel data flowchart. Based on the data analysis results of land suitability assessment system, it then got the system structure drawing by structure design. Based on the system structure, it finally realized the land suitability assessment system. Through the dataflow-oriented design method, it improved the efficiency and accuracy of land suitability evaluation.
出处
《水土保持研究》
CSCD
北大核心
2010年第2期208-211,共4页
Research of Soil and Water Conservation
基金
江西省教育厅科技项目(GJJ08301)
江西省数字国土重点实验室基金(DLLJ200808)
关键词
数据流
土地适宜性评价
系统设计
data flow
land suitability evaluation
system design
