摘要
该文从森林图形库的概念和基本特征出发 ,完成森林图形库图层的标准设计和森林图形中小班多边形的封闭 .通过对森林图形的图元访问 ,实现森林图形”归一化” .在”归一化”森林图形上 。
From the concept and characteristics of forest graphics library, the standard design of forest graphics library layers is accomplished,and the compartment polygon is enclosed. Through the visit to the unit of forest graphics, the unitary of forest graphics is realized, the mutual visit to resource database is dynamically managed.
出处
《北京林业大学学报》
CAS
CSCD
北大核心
2001年第3期90-93,共4页
Journal of Beijing Forestry University
基金
"九五"国家攻关专题!"现有林经营管理技术研究"(96 0 11 0 3 0 4)项目资助