该文通过对分布式虚拟战场环境中仿真实体及其应用研究的开发应用，对光栅图像地图转化成矢量数据地图的方法进行研究。
In this article a method for converting raster image into vector drawing is introduced based on the application of simulated entity in distributed virtual battle field environment.
OPNET网络仿真软件为网络和分布式系统仿真提供了功能强大的开发环境，HLA体系结构为不同的仿真实体提供了协同仿真的平台。
OPNET provides a comprehensive development environment supporting the modeling of networks and distributed systems, and HLA provides a Co-simulation platform for different simulation entities.
综合利用三维实体建模技术与数据库技术，在计算机仿真模型中，构建了包括毛坯、刀具、夹具及机床等部件的“真实”数控加工仿真环境。
The nc machining simulation environment, including roughcast, tools, fixture and machine tool modeling, is constructed in computer by combining three-dimensional entity modeling and database method.
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