node snap 节点吻合 non-spatial data 非空间数据 octal code 八进制码 ... 5doc.com|基于3个网页 2. 非空间资料 GIS地理资料的实质内容即为该笔资料的属性(attribute),属性资料是与位置无关的非空间资料(non-spatial data)。如前面所述, …museum02.digitalarchives.tw|基于1 个网页...
Product Support Support Services GIS Dictionary Contact Support Browse dictionary # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z nonspatial data URL copiedShare URL [data management]Data without inherently spatial qualities, such as attributes. ...
Spatial data might contain additional information or nonspatial data known asattributes. An attribute is usually a piece of information that describes a feature. Spatial data can have any number of attributes about a location, such as a map, photographs, historical information and so on. By provi...
EveryCurvein the boundary of anPolygonelement is in the boundary of theMultiPolygon. 12.5.3 Using Spatial Data 这个章节描述如何创建包含空间数据类型列的表,以及如何操作空间信息. 12.5.3.1 Supported Spatial Data Formats 有两个标准的空间数据格式被用来表示集合对象Two standard spatial data formats are used...
Guide to What is Spatial Data. Here we discuss the introduction to What is Spatial Data along with the types with explanation and Use of it in GIS
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 ...
Spatial data refers to all types of data objects or elements that are present in a geographical space or horizon. It enables the global finding and locating of individuals or devices anywhere in the world. Advertisements Spatial data is also known as geospatial data, spatial information or geograp...
4.6.1 Spatial versus nonspatial data Whereas spatial data describes geometric information, such as an entity's location in space or position relative to other entities, nonspatial data are independent of geometric information. Also, spatial data are multidimensional, spanning several different albeit co...
原文地址: Spatial data - R Spatialintroduction空间现象通常可以被认为是具有清晰边界的离散对象,或者是可以在任何地方观察到但没有自然边界的连续现象。离散的空间对象可能指的是河流、道路、乡村、城镇或研究…
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