Properties

Type

Description

extent

sg.geometry.Extent

map extent

surface

Error

the surface type used to draw vector graphics

loadError

MapBase

contains value when layer is failed to load

map

Number

target MapBase

maxScale

Number

Maximum visible scale

minScale

Error

Minimum visible scale

node

DOMNODE

layer html node

name

Number

layer name

opacity

Object

layer transparency

title

String

layer title

visible

Boolean

layer visibility

True: visible
False: invisible

Methods

Type

Description

addLayer(lyr)

sg.layers.layer

add sub-layer

getLayers()

Array.<sg.layers.Layer>        

return sub-layer array

getMap()

Returns:

MapBase

return target MapBase

Returns:

getName()

Returns:

String

return layer name

Returns:

getNode()

Returns:

DOMNODE

return layer html node

Returns:

getTitle()

Returns:

String

return layer title

Returns:

getVisible

Returns:

Boolean

return layer visibility

Returns:

hide()

None

hide layer

Initialize()

None

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()

None

redraw layer

removeLayer(lyr)

sg.layers.layer

remove sub-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()

None

show layer

UpdateElement()

None

update layer

Event

Description

load

triggered when layer loaded