diff options
Diffstat (limited to 'src/location/maps/qgeojson.cpp')
| -rw-r--r-- | src/location/maps/qgeojson.cpp | 99 |
1 files changed, 57 insertions, 42 deletions
diff --git a/src/location/maps/qgeojson.cpp b/src/location/maps/qgeojson.cpp index 765fc5ec..f699a6c5 100644 --- a/src/location/maps/qgeojson.cpp +++ b/src/location/maps/qgeojson.cpp @@ -18,6 +18,11 @@ QT_BEGIN_NAMESPACE /*! \namespace QGeoJson \inmodule QtLocation + \keyword QGeoJson Namespace + + \brief The QGeoJson namespace contains functions to import and export + geolocated information from and to GeoJson files. + \since 5.13 The methods in the QGeoJson namespace can be used to convert between a @@ -44,7 +49,8 @@ QT_BEGIN_NAMESPACE MultiPolygon, \c GeometryCollection, \c FeatureCollection. The second pair has \c data as key, and the corresponding value can be either a QGeoShape or a list, depending on the GeoJSON type. The next section provides details - about this node. The \c Feature type is converted into the type of the + about the conversation form GeoJson objects to objects known in Qt Location. + The \c Feature type is converted into the type of the geometry contained within, with an additional (key, value) pair, where the key is \c properties and the value is a \l QVariantMap. Thus, a feature Map is distinguishable from the corresponding geometry, by looking for a \c @@ -73,12 +79,12 @@ QT_BEGIN_NAMESPACE \code { - type : Point + type : "Point" data : QGeoCircle({60.000, 11.000}, -1) } \endcode - \li When the type is \c LineString the data ia a QGeoPath. + \li When the type is \c LineString the data is a QGeoPath. For example, the following GeoJSON document contains a \c LineString geometry: @@ -94,7 +100,7 @@ QT_BEGIN_NAMESPACE \code { - type : LineString, + type : "LineString", data : QGeoPath([{43.000, 13.500}, {59.920, 10.730}]) } \endcode @@ -123,7 +129,7 @@ QT_BEGIN_NAMESPACE \code { - type : Polygon + type : "Polygon" data : QGeoPolygon([{51.110, 17.130}, {50.420,30.540}, {58.360, 26.700}, {51.110, 17.130}]) } \endcode @@ -157,18 +163,18 @@ QT_BEGIN_NAMESPACE \code { - type : MultiPoint + type : "MultiPoint" data : [ { - type : Point + type : "Point" data : QGeoCircle({60.000, 11.000}, -1) }, { - type : Point + type : "Point" data : QGeoCircle({60.300, 5.500}, -1) }, { - type : Point + type : "Point" data : QGeoCircle({58.900, 5.700}, -1) } ] @@ -194,14 +200,14 @@ QT_BEGIN_NAMESPACE \code { - type : MultiLineString + type : "MultiLineString" data : [ { - type : LineString + type : "LineString" data : QGeoPath([{45.000, 9.150}, {58.900, -3.150}]) }, { - type : LineString + type : "LineString" data : QGeoPath([{43.000, 13.500}, {59.920, 10.730}]) } ] @@ -215,11 +221,24 @@ QT_BEGIN_NAMESPACE \code { - "type" : "MultiPoint", + "type" : "MultiPolygon", "coordinates" : [ - [11,60], - [5.5,60.3], - [5.7,58.90] + [ + [ + [17.13, 51.11], + [30.54, 50.42], + [26.74, 58.36], + [17.13, 51.11] + ] + ], + [ + [ + [19.84, 41.33], + [30.45, 49.26], + [17.07, 50.10], + [19.84, 41.33] + ] + ] ] } \endcode @@ -228,19 +247,15 @@ QT_BEGIN_NAMESPACE \code { - type : MultiPoint + type : "MultiPolygon" data : [ { - type : Point - data : QGeoCircle({60.000, 11.000}, -1) - }, - { - type : Point - data : QGeoCircle({60.300, 5.500}, -1) + type : "Polygon" + data : QGeoPolygon([{51.110, 17.130}, {50.420,30.540}, {58.360, 26.700}, {51.110, 17.130}]) }, { - type : Point - data : QGeoCircle({58.900, 5.700}, -1) + type : "Polygon" + data : QGeoPolygon([{41.330, 19.840}, {49.260,30.450}, {50.100, 17.070}, {41.330, 19.840}]) } ] } @@ -297,36 +312,36 @@ QT_BEGIN_NAMESPACE \code { - type : GeometryCollection + type : "GeometryCollection" data : [ { - type : MultiPolygon + type : "MultiPolygon" data : [ { - type : Polygon + type : "Polygon" data : QGeoPolygon([{41.330, 19.840}, {49.260, 30.450}, {50.100, 17.070}, {41.330, 19.840}]) } { - type : Polygon + type : "Polygon" data : QGeoPolygon([{51.110, 17.130}, {50.420, 30.540}, {58.360, 26.740}, {51.110, 17.130}]) } ] } { - type : MultiLineString + type : "MultiLineString" data : [ { - type : LineString + type : "LineString" data : QGeoPath([{45.000, 9.150}, {58.900, -3.150}]) } { - type : LineString + type : "LineString" data : QGeoPath([{43.000, 13.500}, {59.920, 10.730}]) } ] } { - type : MultiPoint + type : "MultiPoint" data : [ { type : Point @@ -383,9 +398,9 @@ QT_BEGIN_NAMESPACE \code { - type : Polygon + type : "Polygon" data : QGeoPolygon([{51.110, 17.130}, {50.420,30.540}, {58.360, 26.700}, {51.110, 17.130}]) - properties : {text : This is a Feature with a Polygon} + properties : {text : "This is a Feature with a Polygon"} } \endcode @@ -442,26 +457,26 @@ QT_BEGIN_NAMESPACE \code { - type : FeatureCollection + type : "FeatureCollection" data : [ { - type : MultiLineString + type : "MultiLineString" data : [ { - type : LineString + type : "LineString" data : QGeoPath([{45.000, 9.150}, {58.900, -3.150}]) } { - type : LineString + type : "LineString" data : QGeoPath([{43.000, 13.500}, {59.920, 10.730}]) } ] - properties : {text : This is a Feature with a MultiLineString} + properties : {text : "This is a Feature with a MultiLineString"} }, { - type : Polygon + type : "Polygon" data : QGeoPolygon({51.110, 17.130}, {50.420, 30.540}, {58.360, 26.700}, {51.110, 17.130}) - properties : {text : This is a Feature with a Polygon} + properties : {text : "This is a Feature with a Polygon"} } ] } |