Titlebook: Pro Spatial with SQL Server 2012; Alastair Aitchison Book 2012 Alastair Aitchison 2012

depreciate

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執(zhí)拗

Aggregation and Combination, MultiPoint geometry (using UnionAggregate()) or joining two touching LineStrings together into a single LineString (using STUnion()). Combinations do not have to be additive; you can also, for example, subtract the area of space occupied by one Polygon from another, using STDifference(), or obtain

LASH

plasma-cells

Clustering and Distribution Analysis,lar level. A dataset containing the details of hundreds of thousands of individual points is not particularly useful for business intelligence or analysis purposes, for example. Instead, what is generally required is a way of understanding trends in that data, by identifying patterns in the geograph

granite

motivate

Triangulation and Tesselation,ide interesting useful insights about a set of spatial data. Discussion of these topics necessarily involves some mathematical theory, and may initially seem slightly abstract. However, once you’ve got your head around them you’ll see that tessellation and triangulation have plenty of practical spat

小教堂

Visualization and User Interface,, but as a physical object in the world with a location and shape. Text-based formats such as well-known text (WKT) are all very well as a method of exchanging spatial data, but they’re simply not viable options for presenting or analyzing that information (and well-known binary is even worse!). Ins

recede

Reporting Services,Earth and Bing Maps. These tools are great for presenting a graphical interface to a dataset represented primarily by simple placement of cartographic features—via markers, lines, or shaded areas on a map—and are suitable in situations when you want the map to be the primary focus of user attention.

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