Documentation

Class

FeatureGridLayer

FeatureGridLayer(id, url, options)

Constructor

# new FeatureGridLayer(id, url, options)

FeatureGrid图层

Parameters:
Name Type Attributes Description
id string

图层id
url string

图层地址
options Object

参考Cesium.CzmlDataSource参数
maximumLevel number <optional>

层级
tilingScheme string <optional>

Scheme
name string <optional>

name 名称
callback function <optional>

callback 回调
Author:
  • xyj

Extends

Members

# attr

Overrides:
string

# readonly credit

credit

string

# readonly hasAlphaChannel

hasAlphaChannel

string

# readonly id

唯一标识

Overrides:
Layer

# readonly layer

图层

Overrides:
LayerEvent

# readonly layerEvent

图层事件

Overrides:
string

# readonly layerId

图层id

Overrides:
number

# readonly maximumLevel

瓦片层级（最大）

number

# readonly minimumLevel

瓦片层级（最小）

string

# readonly ready

ready

string

# readonly rectangle

rectangle

# show

Overrides:
boolean

# readonly show

显示隐藏

Overrides:
string

# readonly state

状态

Overrides:
number

# readonly tileHeight

瓦片高度

number

# readonly tileWidth

瓦片宽度

string

# readonly tilingScheme

tilingScheme

string

# readonly token

token

string

# readonly type

图形类型

string

# readonly url

图层地址

Methods

# addGraphic(graphic) → {Layer}

添加实体

Parameters:
Name Type Description
graphic Graphic

实体
Overrides:
  • 当前对象
Layer

# addGraphics(graphics) → {Layer}

批量添加实体

Parameters:
Name Type Description
graphics Array.<Graphic>

实体数组
Overrides:
  • 当前对象
Layer

# addTo(viewer) → {Layer}

把当前图层添加至场景

Parameters:
Name Type Description
viewer Viewer

场景对象
Overrides:
  • 当前对象
Layer

# clear()

清除图层

# eachGraphic(method, context) → {Layer}

遍历实体

Parameters:
Name Type Description
method function

回调
context Context

上下文
Overrides:
  • 当前对象
Layer

# fire(type, params) → {Layer}

事件执行

Parameters:
Name Type Description
type String

事件类型
params Object | String

事件携带参数
Overrides:
  • 当前对象
Layer

# getGraphic(graphicId) → {Graphic}

根据id获取实体

Parameters:
Name Type Description
graphicId string

实体id
Overrides:
  • 实体对象
Graphic

# getGraphicById(graphicId) → {Graphic}

根据id获取实体

Parameters:
Name Type Description
graphicId string

实体id
Overrides:
  • 实体对象
Graphic

# getGraphics() → {Array.<Graphic>}

获取当前图层所有实体对象

Overrides:
  • 实体数组
Array.<Graphic>

# getGraphicsByAttr(attrName, attrVal) → {Array.<Graphic>}

根据属性获取实体

Parameters:
Name Type Description
attrName string

属性名字
attrVal string

属性值
Overrides:
  • 实体
Array.<Graphic>

# off(type, callback, context) → {Layer}

事件取消

Parameters:
Name Type Description
type String

事件类型
callback function

回调
context Context

上下文
Overrides:
  • 当前对象
Layer

# on(type, callback, context) → {Layer}

事件

Parameters:
Name Type Description
type String

事件类型
callback function

回调
context Context

上下文
Overrides:
  • 当前对象
Layer

# remove()

移出当前图层

Overrides:

# removeGraphic(graphic) → {Layer}

移出实体对象

Parameters:
Name Type Description
graphic Graphic

实体对象
Overrides:
  • 当前对象
Layer

# requestImage(x, y, level) → {Object}

图层请求

Parameters:
Name Type Description
x string

x
y string

y
level number

level
  • imagery
Object