内容

• 方法
• 详细描述

QtPositioning QML Type

The QtPositioning global object provides useful functions for working with location-based types in QML. 更多...

import 语句：	import QtPositioning 5.12
Since:	Qt 5.2

• 所有成员列表，包括继承成员

方法

• geocircle circle ()
• geocircle circle (coordinate center , real radius )
• point coordToMercator (coordinate coord )
• coordinate coordinate ()
• coordinate coordinate (real latitude , real longitue , real altitude )
• coordinate mercatorToCoord (point mercator )
• geopath path ()
• geopolygon polygon ()
• geopolygon polygon (list<coordinate> coordinates )
• geopolygon polygon (list<coordinate> perimeter , list<list<coordinate>> holes )
• georectangle rectangle ()
• georectangle rectangle (coordinate center , real width , real height )
• georectangle rectangle (coordinate topLeft , coordinate bottomRight )
• geoshape shape ()
• geocircle shapeToCircle (geoshape shape )
• geopath shapeToPath (geoshape shape )
• geopolygon shapeToPolygon (geoshape shape )
• georectangle shapeToRectangle (geoshape shape )

详细描述

import QtPositioning 5.2
Item {
    property variant coordinate: QtPositioning.coordinate(-27.5, 153.1)
}
					

方法文档编制

geocircle circle ()

Constructs an invalid geocircle.

另请参阅 geocircle .

geocircle circle ( coordinate center , real radius )

Constructs a geocircle centered at center with a radius of radius meters.

point coordToMercator ( coordinate coord )

Converts a coordinate into a mercator coordinate.

该方法在 Qt 5.12 引入。

另请参阅 mercatorToCoord .

coordinate coordinate ()

Constructs an invalid coordinate.

coordinate coordinate ( real latitude , real longitue , real altitude )

Constructs a coordinate with the specified latitude , longitude 和可选 altitude . Both latitude and longitude must be valid, otherwise an invalid coordinate is returned.

另请参阅 coordinate .

coordinate mercatorToCoord ( point mercator )

Converts a mercator coordinate into a latitude-longitude coordinate.

该方法在 Qt 5.12 引入。

另请参阅 coordToMercator .

geopath path ()

Constructs an empty geopath.

This method was introduced in Qt 5.9.

另请参阅 geopath .

geopolygon polygon ()

Constructs an empty polygon.

This method was introduced in Qt 5.10.

另请参阅 geopolygon .

geopolygon polygon ( list < coordinate > coordinates )

Constructs a polygon from coordinates.

This method was introduced in Qt 5.10.

另请参阅 geopolygon .

geopolygon polygon ( list < coordinate > perimeter , list < list < coordinate >> holes )

Constructs a polygon from coordinates for perimeter and inner holes.

该方法在 Qt 5.12 引入。

另请参阅 geopolygon .

georectangle rectangle ()

Constructs an invalid georectangle.

另请参阅 georectangle .

georectangle rectangle ( coordinate center , real width , real height )

Constructs a georectangle centered at center with a width of width degrees and a hight of height 度。

另请参阅 georectangle .

georectangle rectangle ( coordinate topLeft , coordinate bottomRight )

Constructs a georectangle with its top left corner positioned at topLeft and its bottom right corner positioned at bottomLeft .

另请参阅 georectangle .

geoshape shape ()

Constructs an invalid geoshape.

另请参阅 geoshape .

geocircle shapeToCircle ( geoshape shape )

转换 shape to a geocircle.

该方法在 Qt 5.5 引入。

另请参阅 geocircle .

geopath shapeToPath ( geoshape shape )

转换 shape to a geopath.

This method was introduced in Qt 5.9.

另请参阅 geopath .

geopolygon shapeToPolygon ( geoshape shape )

转换 shape to a polygon.

This method was introduced in Qt 5.10.

另请参阅 geopolygon .

georectangle shapeToRectangle ( geoshape shape )

转换 shape to a georectangle.

该方法在 Qt 5.5 引入。

另请参阅 georectangle .