Difference between revisions of "Prostorové operátory"

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'''Základní Spatial Operators'''
 
'''Základní Spatial Operators'''
  
  Operator Description
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  Operator       Description
 
  SDO_FILTER    Specifies which geometries may interact with a given geometry.
 
  SDO_FILTER    Specifies which geometries may interact with a given geometry.
 
  SDO_JOIN      Performs a spatial join based on one or more topological relationships.
 
  SDO_JOIN      Performs a spatial join based on one or more topological relationships.
 
  SDO_NN        Determines the nearest neighbor geometries to a geometry.
 
  SDO_NN        Determines the nearest neighbor geometries to a geometry.
 
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SDO_NN_DISTANCE Returns the distance of an object returned by the SDO_NN operator.
SDO_NN_DISTANCE
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SDO_WITHIN_DISTANCE Determines if two geometries are within a specified distance from one another.
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SDO_RELATE     Determines whether or not two geometries interact in a specified way. (See for convenient alternative operators for performing specific mask value operations.)
 
 
Returns the distance of an object returned by the SDO_NN operator.
 
 
 
SDO_RELATE
 
 
 
 
Determines whether or not two geometries interact in a specified way. (See also Table 19-2 for convenient alternative operators for performing specific mask value operations.)
 
 
 
SDO_WITHIN_DISTANCE
 
 
 
 
Determines if two geometries are within a specified distance from one another.
 

Revision as of 06:38, 25 March 2010

Základní Spatial Operators

Operator       Description
SDO_FILTER     Specifies which geometries may interact with a given geometry.
SDO_JOIN       Performs a spatial join based on one or more topological relationships.
SDO_NN         Determines the nearest neighbor geometries to a geometry.
SDO_NN_DISTANCE Returns the distance of an object returned by the SDO_NN operator.
SDO_WITHIN_DISTANCE Determines if two geometries are within a specified distance from one another.
SDO_RELATE     Determines whether or not two geometries interact in a specified way. (See for convenient alternative operators for performing specific mask value operations.)