Difference between revisions of "Spatial Manager Desktop™ - FAQs: Spatial queries"
| Line 5: | Line 5: | ||
*'''Topics in this section''' | *'''Topics in this section''' | ||
**Base selection: features defining the base of the query | **Base selection: features defining the base of the query | ||
| − | **Spatial operations: diverse types of spatial operations and the | + | **Spatial operations: diverse types of spatial operations and the [[Spatial Manager Desktop™ 2014 - FAQs: Maps, layers, views|Layer]] on which the operation is applied |
===What are Spatial queries in Spatial Manager Desktop™?=== | ===What are Spatial queries in Spatial Manager Desktop™?=== | ||
| − | 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 | + | 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 [[Spatial Manager Desktop™ 2014 - FAQs: Maps, layers, views|Layer]] are found within the polygons of another [[Spatial Manager Desktop™ 2014 - FAQs: Maps, layers, views|Layer]] |
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===How can I define a Spatial query in Spatial Manager Desktop™?=== | ===How can I define a Spatial query in Spatial Manager Desktop™?=== | ||
| − | 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 select a Layer to query and the type of operation to perform. When you select the Features to operate, you can select a full | + | 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 select a [[Spatial Manager Desktop™ 2014 - FAQs: Maps, layers, views|Layer]] to query and the type of operation to perform. When you select the Features to operate, you can select a full [[Spatial Manager Desktop™ 2014 - FAQs: Maps, layers, views|Layer]] if you want to perform an interference operation between two full [[Spatial Manager Desktop™ 2014 - FAQs: Maps, layers, views|Layers]] |
Revision as of 13:17, 12 January 2014
Introduction
- Objective of this section
- To perform spatial queries among features of a Map using different spatial operations
- Topics in this section
- Base selection: features defining the base of the query
- Spatial operations: diverse types of spatial operations and the Layer on which the operation is applied
What are Spatial queries in Spatial Manager Desktop™?
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
How can I define a Spatial query in Spatial Manager Desktop™?
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 select 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
Which are the types of operations for Spatial queries in Spatial Manager Desktop™?
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): OpenGIS Simple Features Specification