Qt Location▲
The Qt Location API helps you create viable mapping solutions using the data available from some of the popular location services.
Overview▲
The Qt Location API enables you to:
-
access and present map data,
-
support touch gesture on a specific area of the map,
-
query for a specific geographical location and route,
-
add additional layers on top, such as polylines and circles,
-
and search for places and related images.
Getting Started▲
To load the Qt Location module, add the following statement to your .qml files
import QtPositioning 5.12
import QtLocation 5.12The QtLocation QML module depends on the QtPositioning QML module. Therefore every QML application that imports the QtLocation QML module must always import the QtPositioning module as well.
For C++ projects include the header appropriate for the current use case, for example applications using routes may use
#include <QGeoRoute>The .pro file should have the location keyword added
QT += locationSubmodules▲
The API is split into sub-modules, which provide QML and C++ interfaces for specific purposes. They focus mainly on Map and Place information. The required position data can be retrieved using the QtPositioning module.
Places▲
The Places submodule is the natural complement to Positioning, providing a source of geographical data about Places of Interest (POI). Besides the source information, the API provides information about the location, size, and other related information about a POI. The Places API can also retrieve images, reviews, and other content related to a place.
Maps and Navigation▲
API References and Examples▲
The following are lists of the classes and UI components provided by the module, with example applications to demonstrate their usage:
|
Full list of QML components in the Qt Location API |
|
|
Full list of C++ classes and methods of the Qt Location APIs sorted by domain |
|
|
Full list of C++ classes and methods of the Qt Location APIs |
|
|
Examples demonstrating use of the Qt Location APIs |
|
|
Tutorial introducing the QML Maps Types |
Plugin References and Parameters▲
Information about plugins, important notes on their usage, parameters that can be provided to influence their behavior.
-
Qt Location Esri Plugin: Uses Esri for location services.
-
Qt Location HERE Plugin: Uses the relevant services provided by HERE.
-
Qt Location Items Overlay Plugin: Provides an empty map intended to be used as background for an overlay layers for map items.
-
Qt Location Mapbox GL Plugin: Uses Mapbox GL for location services.
-
Qt Location Mapbox Plugin: Uses Mapbox for location services.
-
Qt Location Open Street Map Plugin: Uses Open Street Map and related services.
Implementing New Back-Ends and Porting▲
For systems integrators and distributors, information related to making Qt Location available for a new platform.
|
Information about the Qt Location GeoServices plugins |
|
|
Information for places backend implementors |
|
|
Information about QML API changes since 5.4 |
Licenses and Attributions▲
Qt Location is available under commercial licenses from The Qt Company. In addition, it is available under the GNU Lesser General Public License, version 3, or the GNU General Public License, version 2. See Qt Licensing for further details.
Furthermore Qt Location potentially contains third party modules under following permissive licenses: