ComputeTool

new ComputeTool(Viewer3D)

计算工具
Name Type Description
Viewer3D Viewer3D 程序入口对象

Members

viewer : Viewer

viewer3D.viewer 程序入口中的viewer主视图对象

Methods

cartesian3ToLonitudeAndLatitude(cartesian3) → Cartographic

cartesian3 转换 经纬坐标
Name Type Description
cartesian3 Cartesian3 地心坐标点 {x:1,y:1,z:1}
Returns:
Cartographic {longitude: 1, latitude: 1, height: 1}

cartesian3ToScreenPosition(position) → Cartesian2

cartesian3 转换屏幕坐标
Name Type Description
position Cartesian3 地心坐标点 {x:1,y:1,z:1}
Returns:
Cartesian2 屏幕坐标 {x:1,y:1}

cartesian32String(cartesian3) → String

cartesian3 转json字符串 {x:1,y:1,z:1}
Name Type Description
cartesian3 Cartesian3 地心坐标点 {x:1,y:1,z:1}
Returns:
String {x:1,y:2,z:3}

cartesianToCartographic(cartesian3) → Cartographic

地心坐标转地理坐标
Name Type Description
cartesian3 Cartesian3 地心坐标点 {x:1,y:1,z:1}
Returns:
Object {longitude: 1, latitude: 2, height: 3}

cartographicToCartesian(cartographic) → Cartesian3

经纬度高程转地心坐标
Name Type Description
cartographic Cartographic 经纬度坐标 {longitude:1,latitude:1,height:1}
Returns:
Cartesian3 地心坐标点 {x:1,y:1,z:1}

computeAngle(positions) → Number

计算角度
Name Type Description
positions Array 坐标点数据 [Cartesian3,Cartesian3....]
Returns:
Number 角度

computeDistance(positions) → Number

计算距离
Name Type Description
positions Array 坐标点 [Cartesian3,Cartesian3....]
Returns:
Number 距离单位（m）

computeMiddlePoint(pointStart, pointEnd) → Cartesian3

计算两点的中点
Name Type Description
pointStart Cartesian3 开始点 地心坐标点 {x:1,y:1,z:1}
pointEnd Cartesian3 结束点 地心坐标点 {x:1,y:1,z:1}
Returns:
Cartesian3 地心坐标点 {x:1,y:1,z:1}

getCurrentCameraHeight() → Number

返回当前镜头的高度
Returns:
height

getPolygonCenter(entity) → *

获取多边形中心点
Name Type Description
entity Entity
Returns:

lonAndLatHeight2Cartesian3(longitude, latitude, height) → Cartesian3

经纬度信息转换为 cartesian3
Name Type Description
longitude String 经度
latitude String 纬度
height String 高度
Returns:
Cartesian3 地心坐标点 {x:1,y:1,z:1}

offsetHeightFromCartesian3(cartesian3, height) → Cartesian3

针对坐标点偏移高度
Name Type Description
cartesian3 Cartesian3 坐标点
height Number 偏移高度
Returns:
cartesian3

string2Cartesian3(posString) → Cartesian3

json字符串 转 cartesian3
Name Type Description
posString String 坐标字符串 {x:1,y:1,z:1}
Returns:
Cartesian3 地心坐标点 {x:1,y:1,z:1}