SpatialReference
构造函数
SpatialReference
构造函数
new SpatialReference(properties?)
参数
- properties?:
SpatialReferenceProperties可选的初始化属性
返回：SpatialReference SpatialReference对象
属性
imageCoordinateSystem
图像坐标系统
imageCoordinateSystem: any
类型: any
isGeographic
指示空间参考是否为地理坐标系统
isGeographic: boolean
类型: boolean
isWebMercator
指示空间参考的 WKID 是否为 Web 墨卡托投影
isWebMercator: boolean
类型: boolean
isWGS84
指示空间参考的 WKID 是否为 WGS84 地理坐标系
isWGS84: boolean
类型: boolean
isWrappable
指示地图的空间参考是否支持跨越国际日期变更线的包装
isWrappable: boolean
类型: boolean
metersPerUnit
空间参考单位到米的转换系数
metersPerUnit: number
类型: number
unit
空间参考的测量单位
unit: "millimeters" | "centimeters" | "decimeters" | "meters" | "kilometers" | "inches" | "feet" | "yards" | "nautical-miles" | "us-feet" | "degrees" | "150-kilometers" | "1865-feet" | "50-kilometers" | "benoit-1895-a-chains" | "benoit-1895-a-feet" | "benoit-1895-a-links" | "benoit-1895-a-yards" | "benoit-1895-b-chains" | "benoit-1895-b-feet" | "benoit-1895-b-links" | "benoit-1895-b-yards" | "british-1936-feet" | "chains" | "clarke-chains" | "clarke-feet" | "clarke-links" | "clarke-yards" | "fathoms" | "german-meters" | "gold-coast-feet" | "indian-1937-feet" | "indian-1937-yards" | "indian-1962-feet" | "indian-1962-yards" | "indian-1975-feet" | "indian-1975-yards" | "indian-feet" | "indian-yards" | "links" | "micrometers" | "nanometers" | "points" | "rods" | "sears-1922-truncated-chains" | "sears-1922-truncated-feet" | "sears-1922-truncated-links" | "sears-1922-truncated-yards" | "sears-chains" | "sears-feet" | "sears-links" | "sears-yards" | "smoots" | "statute-miles" | "tx-vara" | "uk-nautical-miles" | "us-chains" | "us-inches" | "us-links" | "us-miles" | "us-nautical-miles" | "us-rods" | "us-yards"
类型: "millimeters" | "centimeters" | "decimeters" | "meters" | "kilometers" | "inches" | "feet" | "yards" | "nautical-miles" | "us-feet" | "degrees" | "150-kilometers" | "1865-feet" | "50-kilometers" | "benoit-1895-a-chains" | "benoit-1895-a-feet" | "benoit-1895-a-links" | "benoit-1895-a-yards" | "benoit-1895-b-chains" | "benoit-1895-b-feet" | "benoit-1895-b-links" | "benoit-1895-b-yards" | "british-1936-feet" | "chains" | "clarke-chains" | "clarke-feet" | "clarke-links" | "clarke-yards" | "fathoms" | "german-meters" | "gold-coast-feet" | "indian-1937-feet" | "indian-1937-yards" | "indian-1962-feet" | "indian-1962-yards" | "indian-1975-feet" | "indian-1975-yards" | "indian-feet" | "indian-yards" | "links" | "micrometers" | "nanometers" | "points" | "rods" | "sears-1922-truncated-chains" | "sears-1922-truncated-feet" | "sears-1922-truncated-links" | "sears-1922-truncated-yards" | "sears-chains" | "sears-feet" | "sears-links" | "sears-yards" | "smoots" | "statute-miles" | "tx-vara" | "uk-nautical-miles" | "us-chains" | "us-inches" | "us-links" | "us-miles" | "us-nautical-miles" | "us-rods" | "us-yards"
wkid
空间参考的标准识别码 (WKID)
wkid: number
类型: number
wkt
定义空间参考的标准文本 (WKT)
wkt: string
类型: string
wkt2
OGC 标准定义的坐标系统标准文本 (WKT2)
wkt2: string
类型: string
方法
clone
返回空间参考对象的深度克隆
clone(): SpatialReference
返回：SpatialReference
equals
检查指定的空间参考对象是否与当前对象具有相同的 WKID 或 WKT
equals(spatialReference): boolean
参数
- spatialReference:
SpatialReference要比较的空间参考对象
返回：boolean
toJSON
将类实例转换为 JSON 表示形式
toJSON(): any
返回：any
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