WMS:Shapefiles: Difference between revisions

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One of the most common methods for creating feature objects is to import a shapefile. The concept of a shapefile was established by Environmental Systems Research Institute (ESRI) in their ArcView® program and it has become the defacto standard for sharing GIS vector data (points, lines, and polygons).
#redirect [[Shapefiles]]
 
A shape file is actually comprised of three or more files. The primary file is the *.shp and it contains the geometric information (coordinates and if necessary connectivity of the points, lines, polygons). The *.dbf file is a standard database file and stores the attributes of the feature objects. Finally, there will be a *.shx file which is an indexing file. There may be a few other files that accompany the shapefile and so you should always move them around together if you are copying or moving them to a new directory.
 
Only one "theme" or type of feature can exist in a shapefile. For example you cannot store points and polygons in the shapefile, or streams and basin boundaries and so you may be required to import multiple files to make up the drainage coverage in WMS.
 
WMS includes all of the tools necessary to [[WMS:Importing Shapefiles|import shapefiles]] and convert the geometric and attribute information into feature objects. This can be done by directly opening the shapefile and converting to feature objects in the active coverage or by loading the shapefile in the [[WMS:GIS Module|GIS module]].
 
 
==Related Topics==
* [[WMS:Importing Shapefiles|Importing Shapefiles]]
* [[WMS:GIS Module|GIS Module]]
 
 
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Latest revision as of 16:09, 24 February 2016

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