geoSatelliteInfo QML Value Type

The geoSatelliteInfo type represents basic information about a satellite. 更多...

import 语句：	import QtPositioning
Since:	Qt 6.5

特性

• satelliteIdentifier : int
• satelliteSystem : enumeration
• signalStrength : real

方法

• real attribute (Attribute attr )
• bool hasAttribute (Attribute attr )

详细描述

This type is a QML representation of QGeoSatelliteInfo . The type is uncreatable from QML and can only be used when handling satellite updates from SatelliteSource .

This type contains the satelliteSystem , satelliteIdentifier and signalStrength read-only properties, and also optional attributes.

使用 hasAttribute method to check if the attribute exists or not, and the attribute method to get its value.

另请参阅 QGeoSatelliteInfo .

特性文档编制

satelliteIdentifier : int [read-only]

Holds the satellite identifier number.

The satellite identifier number can be used to identify a satellite within the satellite system.

The actual value may vary, depending on the platform and the selected backend.

satelliteSystem : enumeration [read-only]

Holds the GNSS system of the satellite.

常量	描述
GeoSatelliteInfo.Undefined	未定义。
GeoSatelliteInfo.GPS	全球定位系统 (USA 美国)。
GeoSatelliteInfo.GLONASS	全球定位系统 (俄罗斯)。
GeoSatelliteInfo.GALILEO	全球导航卫星系统 (EU 欧盟)。
GeoSatelliteInfo.BEIDOU	北斗导航卫星系统 (中国)。
GeoSatelliteInfo.QZSS	准天顶卫星系统 (日本)。
GeoSatelliteInfo.Multiple	This type normally indicates that the information is received from a device that supports multiple satellite systems, and the satellite system is not explicitly specified.
GeoSatelliteInfo.CustomType	The first type that can be used for user purposes.

signalStrength : real [read-only]

Holds the signal strength in decibels.

方法文档编制

real 属性 ( 属性 attr )

Returns the value of the attribute attr or -1 if the value has not been set.

The following attributes are supported:

• GeoSatelliteInfo.Elevation - the elevation of the satellite, in degrees.
• GeoSatelliteInfo.Azimuth - the azimuth to true north, in degrees.