Luciad.Geometries.Constraints.IPointConstraint Interface Reference

A constraint on Point editing. More...

Public Member Functions
Luciad.Geometries.Point	Apply (Luciad.Geometries.Point oldPoint, Luciad.Geometries.Point newPoint, Luciad.Geometries.Constraints.PointChange change)
	Applies this constraint on a pending change. More...
Luciad.Geometries.Point	Apply (Luciad.Geometries.Point point)
	Applies this constraint on a point without a (known) change. More...

Detailed Description

A constraint on Point editing.

This can for example be configured on a PointHandlesProvider.

Since

2020.1

Member Function Documentation

Apply() [1/2]

Luciad.Geometries.Point Luciad.Geometries.Constraints.IPointConstraint.Apply	(	Luciad.Geometries.Point	oldPoint,
		Luciad.Geometries.Point	newPoint,
		Luciad.Geometries.Constraints.PointChange	change
	)

Applies this constraint on a pending change.

Parameters

oldPoint	the base Point on which the change is performed, cannot be null.
newPoint	the result of the change, without any constraints applied, cannot be null.
change	the change that was applied.

Returns

the resulting Point, after applying this constraint on the pending change. If the constraint does not apply, simply return the newPoint. Cannot be null.

Apply() [2/2]

Luciad.Geometries.Point Luciad.Geometries.Constraints.IPointConstraint.Apply

(

Luciad.Geometries.Point

point

)

Applies this constraint on a point without a (known) change.

Parameters

point

the point to constrain, cannot be null.

Returns

the resulting point, after applying this constraint. If the constraint does not apply, simply return the point. Cannot be null.