地图代数 meaning in English
maalgebra
Examples
- Abstract : based on the distance transformation of catographic algebra , the common objecting method of line symbols is proposed , which is based on the ridge map . satisfactory result was achieved
文摘:在地图代数实现的距离变换基础上，提出一种基于山脊图的线状符号目标化方法，为解决线状符号自动跟踪数字化问题提供了一种可选途径。 - This paper extends some functions of the system of map algebra , brings forth a method for inundation simulation and analysis by means of map algebra , sets up an inundation model and realizes it
摘要扩展了地图代数系统的功能，提出了运用地图代数进行洪水淹没模拟与分析的方法，建立了洪水淹没模型，并给出了洪水淹没模拟与分析的实例。 - 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。