View source for Spatial Manager Desktop™ - FAQs: Spatial queries

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===Introduction===
*'''Objective of this section'''
**To perform spatial queries among features of a Map using different spatial operations ("Standard" and "Professional" editions only)

*'''Topics in this section'''
**Base selection: features defining the base of the query ("Standard" and "Professional" editions only)
**Spatial operations: diverse types of spatial operations and the Layer on which the operation is applied ("Standard" and "Professional" editions only)



===What are Spatial queries? ("Standard" and "Professional" editions only)===
Spatial queries are geometric operations that Spatial Manager Desktop™ can perform to help you locate Features that interfere with other Features under certain conditions. For example, as you can see in the next picture, to locate which points of a Layer are found within the polygons of another Layer


[[Image:SQ-1B.PNG|border|Simple 'Spatial query' sample]]



===How can I define a Spatial query? ("Standard" and "Professional" editions only)===
To define a Spatial query in Spatial Manager Desktop™, you need to define the base of the query first, by selecting the Features to operate, next you must select the "Spatial query" function, and then you choose a Layer to query and the type of operation to perform. When you select the Features to operate, you can select a full Layer if you want to perform an interference operation between two full Layers


[[Image:SQ-2.PNG|border|'Spatial query' operations]]



===Which are the types of operations for Spatial queries? ("Standard" and "Professional" editions only)===
The list of operations that Spatial Manager Desktop™ can perform using Spatial queries is the following:
*Intersects
*Touches
*Within
*Contains
*Disjoint
*Overlaps
*Crosses
To find out more about each operation, you can take a look at this document (pages 2-15 to 2-20): [http://portal.opengeospatial.org/files/?artifact_id=829 OpenGIS Simple Features Specification]



==Related links==
*[[Spatial Manager Desktop™ - FAQs: Selecting and filtering|Selecting and filtering]]
*[http://www.spatialmanager.com/spatial-queries-using-shp-files/ Spatial Queries using SHP files] ("Standard" and "Professional" editions only)


*[[Spatial Manager Desktop™#FAQs|Go to FAQS]]



[[image:SPM Desktop Wiki to Website.png|150px|link=http://www.spatialmanager.com/spm-desktop/ |Spatial Manager Desktop™ product page]] [[image:SPM Desktop Wiki to Download.png|150px|link=http://www.spatialmanager.com/download/spatial-manager-desktop/ |Download Spatial Manager Desktop™]]