Class Projection

Projection接口用于屏幕像素点坐标系统和地球表面经纬度点坐标系统之间的变换。

Since

1.0.0

Constructors

constructor

Properties

projectionDelegate

Methods

fromScreenLocation toScreenLocation

Constructors

constructor

  • new Projection(paramIProjectionDelegate): Projection

  • Parameters

    • paramIProjectionDelegate: IProjection

    Returns Projection

    Exclude

    javadoc中不显示

Properties

Private Readonly projectionDelegate

projectionDelegate: IProjection

Methods

fromScreenLocation

  • fromScreenLocation(paramPoint, callback): void

  • 将屏幕坐标转换成地理坐标。

    Parameters

    • paramPoint: Point

      屏幕坐标 如果传入null 则返回null。

    • callback: AMapCallback<LatLng>

    Returns void

    地理坐标。

    Since

    1.0.0

toScreenLocation

  • toScreenLocation(paramLatLng, callback): void

  • 将地理坐标转换成屏幕坐标。

    Parameters

    • paramLatLng: LatLng

      地理坐标 如果传入 null 则返回null。

    • callback: AMapCallback<Point>

    Returns void

    屏幕坐标。

    Since

    1.0.0

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constructorprojectionDelegatefromScreenLocationtoScreenLocation

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