definitions of gis meaning in English
地理信息系统的各种定义
Examples
- The paper analyzes the character and content of case , geo - case , presents the definition of gis case , summarizes the character , compose framework and functional framework
论文系统地分析了案例、地理案例的特点以及内容，给出了gis案例的概念，同时对gis案例的特点、组成框架和功能框架进行了总结和阐述。 - This paper discusses the polygon medial axis definition of gis and calculation geometry , and their main distinguishing feature , pointes out that the polygon medial axis should be the locu of the equal - distance points to two or more edges of the polygon ; analyzes the relevant different algorithm and cases in practice , and proposes the geometry means in theory relatively rigid and widely meeting the requirements in practice - dotted pair rank method and the map algebra polygon medial axis method , utilizes them to offer several polygon medial axis calculation examples
摘要比较了当前国内外gis中和计算几何中关于多边形中轴的定义，讨论了它们的主要特点，指出多边形中轴应是到两个以上边距离相等点的轨迹，并据此分析了相应的各种算法和实际应用场合，提出了理论上较为严密、能够广泛满足实际应用需要的几何方法点对序列法和地图代数多边形中轴法。