Parameter

Type

Description

SuperGIS

String

URL of the SuperGIS Server service

options

Object

set object

Constants

Description

MODE_ONDEMAND

retrieve features within the current extent whenever map extent changes.

MODE_SNAPSHOT

retrieve all features

extent

map extent

maxScale

maximum visible scale

minScale

minimum visible scale

mode

FeatureLayer mode

opacity

layer transparency

svgContainer

the div of layer

graphics

array of Graphic

infoTemplate

the message shown in the info window of the graphic

loadError

contains value if layer is failed to loaded

map

the target MapBase for the layer to be added to

mouseEventEnabled

whether to enable mouse event

name

layer name

node

layer html node

renderer

layer renderer

surface

the surface of which the layer is drawn to

svgContainer

The div of layer

title

layer title

visible

whether the layer is visible

True: Visible
False: Invisible

Methods

Type

Description

add(graphic)

sg.Graphic

add a graphic to GraphicsLayer

clear()

None

clear all graphics

disableMouseEvents()

None

disable mouse events

enableMouseEvents()

None

enable mouse events

getMap()

Returns:

MapBase

return the MapBase of the layer

Returns:

getName()

Returns:

String

return layer name

Returns:

getNode()

Returns:

DOMNODE

return the div of the layer

Returns:

getTitle()

Returns:

String

return all layer title

Returns:

getResource(index)

index:Number

Returns:String

取得symbol icon

Returns:

getVisible()

Returns:

Boolean

return layer visibility

Returns:

hide()

hide layer

Initialize()

called when layer being added to the MapBase

isVisibleAtScale(scale)

scale:number

Returns:Boolean

return if the layer is visible at the specific scale

Returns:

putName(newVal)

String

set layer name

putTitle(newVal)

String

set layer title

putVisible(newVal)

Boolean

set layer visibility

queryRelatedFeatures(index, query, callback, errBack)

index:Number

query:sg.tasks.RelationshipQuery

callback:sg.tasks.QueryTask~queryCallback
errCallback:function

Get features related to this layer

RebuildElement()

rebuild all elements

redraw()

redraw layers

remove(graphic)

sg.Graphic

remove a specific graphic

RemoveSelf()

remove the layer

selectFeatures(query, method, callback, errCallback)

query:sg.tasks.Query

method:        String

callback:        sg.layers.FeatureLayer~successCallback
errCallback:function

Select features

setInfoTemplate(temp)

sg.InfoTemplate        

set InfoTemplate

setMaxScale(maxScale)

Number

set the maximum visible scale of the layer

setMinScale(minScale)

Number

set the minimum visible scale of the layer

setOpacity(opacity)

Number

set layer transparency

setRenderer(Renderer)

sg.renderers.Renderer

set layer renderer

show()

show layer

UpdateElement()

update layer

setVisibility(visible)

Boolean

set layer visibility

Type Definition

Type

Description

successCallback(results)

Object

執行成功時所觸發的方法

Event

Description

click

triggered when clicked on graphics

dbl-click

triggered when double clicked on graphics

graphic-add

triggered when graphics are added

graphic-clear

triggered when all graphics are cleared

graphic-remove

triggered when a graphic is removed

load

triggered when layers are loaded

mouse-down

triggered when mouse presses down on a graphic

mouse-move

triggered when mouse moves on a graphic

mouse-out

triggered when mouse moves out of a graphic

mouse-over

triggered when mouse moves into a graphic

mouse-up

triggered when mouse-click releases on a graphic

update-start

update-end

selection-complete

selection-clear

edits-complete

query-related-features-complete