Properties

Type

Description

extent

sg.geometry.Extent

layer extent

loadError

Error

contains value when the layer is failed to load

map

MapBase

target MapBase

maxScale

Number

Maximum visible scale

minScale

Number

Minimum visible scale

name

String

layer name

node

DOMNODE

layer html node

opacity

Number

layer transparency

spatialReference

sg.SpatialReference

layer coordinate system

tileInfo

sg.layers.TileInfo

tile layer info

title

String

layer title

visible

Boolean

layer visibility

True: Visible
False: Invisible

Methods

Type

Description

getMap()

Returns:

MapBase

return target MapBase

Returns:

getName()

Returns:

String

return layer name

Returns:

getNode()

Returns:

DOMNODE

return layer node

Returns:

getTileUrl(s, x, y)

s:Number

x:Number

y;Number

Returns:String

return the specified index of tile image. Rewrite this method to access customized tile service

Returns:

getTitle()

Returns:

String

return layer title

Returns:

getVisible()

Returns:

Boolean

return layer visibility

Returns:

hide()

his layer

Initialize()

called when a layer is added to MapBase

putName(newVal)

String

set layer name

putTitle(newVal)

String

set layer title

putVisible(newVal)

Boolean

set layer visibility

RebuildElement()

redraw layers

removeAllImages

Remove all MapImages from the layer

RemoveSelf()

remove self

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

show()

show layer

UpdateElement()

update layers

Event

Description

load

triggered when layers are loaded