In this article,the authors discuss line primitives of a digital map,design a sort of data joint structure on a multi-sheet map,and realize a logical join of a multi-sheet digital map,so that GIS can be used for analysis and application in an even wider range of geographic information.
随着数字地球的发展,传统的以图幅为单位的GIS应用模式已满足不了实际应用的需要,本文以数字地图的线要素为研究对象,通过数据拼接结构的设计,研究了一种多图幅数字地图逻辑拼接显示的新方法,从而使GIS能够在更广阔的地理信息范围内进行分析应用。
This paper presents an algorithm used for the gradient-based motion measurement via the multi-image wavelet transform according to the characteristics of wavelet transform.
利用小波变换的特性,设计了一种基于梯度的多图像小波变换运动测量算法。
The significance of network multi graph display and multi layer management used in visualized power system network software are expounded.
阐述了在图形化的电力系统软件中对网络进行多图显示和分层管理的意义。
The frame and data flow of the system are analyzed,and then some technologies such as multi-view linking and automatic BOM creating are described.
分析了矿山工程设计的特点和需求,提出了矿山工程敏捷设计系统的概念,分析了系统的总体架构和数据流向,并对多图联动、自动生成明细表等关键技术进行了详细阐述。