SuperGIS Server JavaScript API Reference > sg > SnappingManager

new sg.OperationBase(params)

Description

create a SnappingManager object.

Position

SnappingManager.js

Parameters

Parameter

Type

Description

options

Object

set object

Methods

Type

Description

destroy()

destroy the SnappingManager object.

getSnappingPoint(screenPoint)

screenPoint:MapPoint

Returns:sg.geometry.Point

Returns the snapping point from screen point.

Name	Type	Description
screenPoint	MapPoint	The screen coordinates

Returns:

Type	Description
sg.geometry.Point	The map coordinates

setLayerInfos(layerInfos)

Array.<Object>

Define the target snapping layers, and use snapToPoint, snapToEdge, or snapToVertex.

Name	Type	Description
layerInfos	Array.<Object>	The LayerInfo object

Member:

Name	Type	Description
layerInfos[].layer	GraphicsLayer	The target GraphicsLayer
layerInfos[].snapToPoint	Boolean	Snap to point True:Yes False:No
layerInfos[].snapToEdge	Boolean	Snap to edge True:Yes False:No
layerInfos[].snapToVertex	Boolean	Snap to vertex True:Yes False:No