搜索结果: 1-9 共查到“地图制图技术 Voronoi”相关记录9条 . 查询时间(0.234 秒)
Describing topological relations with Voronoi-based 9-intersection model
Describing topological relations Voronoi-based 9-intersection model
2016/5/20
The Voronoi-based 9-intersection model (V9I) is a modified version of the original point-set-based 9-intersection model.The modification is made by replacing the complement (exterior) of an entity wit...
Finite Difference Method Runoff Modelling Using Voronoi Cells
Voronoi Diagram runoff modelling TIN IFDM
2015/10/9
Finite difference runoff modelling has usually been done using a regular grid representation of the terrain. This has various
disadvantages, as the regular pattern does not conform well to observed ...
Dynamic Cartography Using Voronoi/Delaunay Methods
Voronoi Delaunay kinetic data structures dynamic topology interactive cartography
2015/10/9
We describe two reversible line-drawing methods for cartographic applications based on the kinetic (moving-point)
Voronoi diagram. Our objectives were to optimize the user’s ability to draw and edit...
To efficiently store, retrieve and update the globalspatial data, a hierarchical and dynamic data model on a globalscale is urgently needed.
The QTM (Quaternary Triangular Mesh) as a hierarchical qua...
MODELLING OCEANOGRAPHIC DATA WITH THE THREE-DIMENSIONAL VORONOI DIAGRAM
GIS Three-dimensional Modeling Oceanography Triangulation Algorithms Data Structures Dynamic
2015/6/1
Managing oceanographic data with traditional geographical information systems (GIS) is a difficult task because these systems have been primarily designed for land-based applications. The main problem...
A Time-constrained Network Voronoi Construction and Accessibility Analysis in Location-based Service Technology
LBS Voronoi diagram Accessibility Spatial tessellation Network analysis
2014/11/28
Accessibility analysis usually requires special models of spatial location analysis based on some geometric constructions, such as Voronoi diagram (abbreviated to VD). There are many achievements in c...
SPACE ALLOCATION OF EDUCATIONAL CENTERS USING MULTIPLICATIVELY WEIGHTED VORONOI DIAGRAM
Multiplicatively Weighted Voronoi Diagram (MWVD) Ordinary Voronoi Diagram Educational Centers Service Area Allocation
2014/10/16
The main problem of educational centers in a mega city like Tehran, capital of Iran, is that no enforced service areas exist to guide school selection or allow students to make the most convenient com...
MODELLING THREE-DIMENSIONAL GEOSCIENTIFIC DATASETS WITH THE DISCRETE VORONOI DIAGRAM
THREE-DIMENSIONAL GEOSCIENTIFIC DATA SETS DISCRETE VORONOI DIAGRAM
2014/6/11
Geoscientic datasets are often formed by scattered samples in3D space having highly anisotropic distribution. To model the continuity of the phenomena they represent (e.g. temperature of a body of wat...
基于GIS的任意发生元Voronoi图逼近方法
2007/8/24
许多地理问题的空间分析中需要采用Voronoi图，但是目前我们尚缺乏一些简单的易于实现的构建任意发生元Voronoi图的方法，也缺乏一个能直接生成任意发生元Voronoi图的软件，为此我们提出了一种基于GIS的构建任意发生元的未加权Voronoi图的逼近方法。首先用有限点来逼近原始发生元，然后构建这些点发生元Voronoi图，最后消除那些属于同一发生元的顶点和边，即得到原始发生元的逼近的Voron...