non-spatial data structure—hierarchical, networking and relationalDifferent sources of spatial and non-spatial databases Types of GIS database—spatial and non-spatial Representation of spatial features of the Earth's surface by vector and raster data structures (point, line and Polygon) Advantages ...
Gold, C.M., Condal, A.R.: A Spatial Data Structure Integrating GIS and Simulation in a Marine Environment. Marine Geodesy 18, 213-228 (1995)Gold CM, Condal AR (1995) A spatial data structure integrating GIS and simulation in a marine environ- ment. Mar Geodesy 18(3):213-228...
spatial structure,public sports service facilities in the main city is concentrated,the lack of reasonable planning and population concentration index has obvious non stability and Cointegration( single integer are respectively 1 and 2),in the future,should strengthen the city public sports service ...
MapServer - Publishing spatial data and interactive mapping applications to the web MapTiler Server - Map server for self-hosting of vector tiles, satellite imagery, own geodata and data from PostGIS database. Nanocubes - An in-memory data structure for spatiotemporal data cubes. Github Link Ne...
or tephra falls on major roads, houses, and evacuation areas using Web GIS. The Web GIS is a technology that is used to display and analyze spatial data online, combining the advantages of using both the internet and GIS. The Open Geospatial Consortium (OGC;http://www.opengeospatial.org/)...
National Spatial Data Infrastructure 美国国家空间数据基础设施 natural breaks classification 自然分类 navigation 导航 Navstar Navstar (美国国防部全球定位系统联合服务项目) neighborhood statistics 邻域统计 networked 联网 node 节点 noncoterminous polygon 非相连多边形 nonversioned 非版本 normal...
in GIS. In this module, you will learn more about attribute data, the descriptive, non-spatial data that enables us to symbolize and label the spatial data. You will learn about various types of attributes, data types, how to query based on attributes, how to organize data, and databases...
Many NGOs, local governments, smart cities and city agencies have enabled the public to access spatial and nonspatial information through GIS. With the right technology and initiative, sharing information on assets and resources with City Map Portals can improve city management, enable collaboration ...
Def:(spatial relationship between features) (remaininvariant under certain transformationsuch as bending or stretching) 2 types of vector: Spaghetti data model & graph-based data model Spaghetti data model 3 part: point, line, polygon Characteristic: 1. nontopology 2. easy to state cannot to anal...
This study entailed a review of 63 scientific articles on geospatial and spatial-statistical analysis of the geographical dimension of the 2019 coronavirus disease (COVID-19) pandemic. The diversity of themes identified in this paper can be grouped into the following categories of disease mapping: ...