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Class: MeasureHandler ​

量测类，支持距离，面积，高度，角度测量

Table of contents ​

Constructors ​

Properties ​

Methods ​

Constructors ​

constructor ​

• new MeasureHandler(viewer, mode, options?): MeasureHandler

量测类，支持距离，面积，高度，角度测量

Parameters

NameTypeDescription
viewerViewer视图
modeMeasureMode量测模式
options?MeasureHandlerOptionsObject

Returns

MeasureHandler

Example

js
const distanceHandler = new joDVF.MeasureHandler(
  viewer,
  joDVF.MeasureMode.Distance
);

Defined in

src/interaction/MeasureTool/index.ts:186

Properties ​

mode ​

• mode: MeasureMode

绘制模式

Defined in

src/interaction/MeasureTool/index.ts:109

options ​

• options: MeasureHandlerOptions

选项

Defined in

src/interaction/MeasureTool/index.ts:111

viewer ​

• viewer: Viewer

Cesium 视图

Defined in

src/interaction/MeasureTool/index.ts:113

drawHandler ​

• drawHandler: DrawHandler

绘制类对象:

  • 当距离, 高度，角度测量，使用的 DrawMode.Line
  • 当面积测量，使用的 DrawMode.Polygon

Memberof

MeasureHandler

Defined in

src/interaction/MeasureTool/index.ts:122

positions ​

• positions: Cartesian3[]

当前绘制点坐标

Defined in

src/interaction/MeasureTool/index.ts:124

subLen ​

• subLen: number = 0

测量总距离

Defined in

src/interaction/MeasureTool/index.ts:126

isActive ​

• isActive: boolean

是否激活状态

Defined in

src/interaction/MeasureTool/index.ts:128

movingBillboard ​

• movingBillboard: Billboard[]

移动创建的Billboard

Defined in

src/interaction/MeasureTool/index.ts:134

activeEvent ​

• activeEvent: Event<(...args: any[]) => void>

激活量测事件，当 activate 激活 handler 事件

Example

js
measureHandler.activeEvent.addEventListener((isActive) => {});

Memberof

MeasureHandler

Defined in

src/interaction/MeasureTool/index.ts:148

measuredEvent ​

• measuredEvent: Event<(...args: any[]) => void>

量测结束事件

  • 当量测模式是 MeasureMode.Distance 时，返回距离、角度和绘制点 ([distance, angle, [point1, point2]])
  • 当量测模式是 MeasureMode.Area 时，返回面积和绘制点 ([area, [point1, ...]])
  • 当量测模式是 MeasureMode.DVH 时，返回结果和绘制点 ([{distance, horizontal, vertical}, [point1, ...]])
  • 当量测模式是 MeasureMode.Angle 时，返回角度和绘制点 ([angle, [point1, ...]])

Example

js
measureHandler.measuredEvent.addEventListener((result) => {});

Memberof

MeasureHandler

Defined in

src/interaction/MeasureTool/index.ts:166

Methods ​

destroyMoving ​

▸ destroyMoving(): void

销毁移动创建的 Billboard

Returns

void

Memberof

MeasureHandler

Defined in

src/interaction/MeasureTool/index.ts:774

activate ​

▸ activate(): void

量测类激活 handler

Returns

void

Memberof

MeasureHandler

Defined in

src/interaction/MeasureTool/index.ts:787

clear ​

▸ clear(): void

清除图元

Returns

void

Memberof

MeasureHandler

Defined in

src/interaction/MeasureTool/index.ts:812

deactivate ​

▸ deactivate(): void

handler 暂停工作，可激活

Returns

void

Memberof

MeasureHandler

Defined in

src/interaction/MeasureTool/index.ts:836

destroy ​

▸ destroy(): void

销毁

Returns

void

Memberof

MeasureHandler

Defined in

src/interaction/MeasureTool/index.ts:846