Class SpatialDisjoint

Namespace

YndigoBlue.Velocity.Functions

Assembly

YndigoBlue.Velocity.dll

Represents the ST_Disjoint spatial predicate function that tests if two geometries have no points in common.

public class SpatialDisjoint : Function, IElement, ICheckItem, IDefaultItem, IFilterItem

Inheritance

object

Function

SpatialDisjoint

Implements

IElement

ICheckItem

IDefaultItem

IFilterItem

Remarks

Warning

Spatial functions are not available in the Community Edition of Velocity. They require the Full Edition.

The ST_Disjoint function returns true if the two spatial objects have no point in common (their interiors and boundaries do not intersect). This is the inverse of ST_Intersects. According to the DE-9IM model, two geometries are disjoint if their intersection is empty. Useful for spatial queries that need to find objects that are completely separate from each other. OGC-compliant.

Return Type: Boolean (true/false).

Note: ST_Disjoint(A, B) = NOT ST_Intersects(A, B)

Relationship	ST_Disjoint Result
Completely separate	TRUE
Point outside polygon	TRUE
Touching boundaries	FALSE
Overlapping	FALSE

Constructors

SpatialDisjoint(Geometry, Column)

Initializes a new instance of ST_Disjoint with a geometry literal and column.

SpatialDisjoint(Geometry, Function)

Initializes a new instance of ST_Disjoint with a Geometry literal and function result for function chaining.

SpatialDisjoint(Column, Geometry)

Initializes a new instance of ST_Disjoint with a column and geometry literal.

SpatialDisjoint(Column, Column)

Initializes a new instance of ST_Disjoint with two columns for spatial joins.

SpatialDisjoint(Column, Function)

Initializes a new instance of ST_Disjoint with a column and function result for function chaining.

SpatialDisjoint(Column, Geography)

Initializes a new instance of ST_Disjoint with a column and geography literal.

SpatialDisjoint(Function, Geometry)

Initializes a new instance of ST_Disjoint with a function result and Geometry literal for function chaining.

SpatialDisjoint(Function, Column)

Initializes a new instance of ST_Disjoint with a function result and column for function chaining.

SpatialDisjoint(Function, Function)

Initializes a new instance of ST_Disjoint with two function results for function chaining.

SpatialDisjoint(Function, Geography)

Initializes a new instance of ST_Disjoint with a function result and Geography literal for function chaining.

SpatialDisjoint(Geography, Column)

Initializes a new instance of ST_Disjoint with a geography literal and column.

SpatialDisjoint(Geography, Function)

Initializes a new instance of ST_Disjoint with a Geography literal and function result for function chaining.