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Add method to retrieve axis order for a QgsCoordinateReferenceSystem
This commit is contained in:
Nyall Dawson
parent
4f796e2be4
commit
28bb05b0d5
@ -785,6 +785,50 @@ Qgis.DataProviderFlag.__doc__ = 'Generic data provider flags.\n\n.. versionadded
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# --
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Qgis.DataProviderFlag.baseClass = Qgis
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# monkey patching scoped based enum
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Qgis.CrsAxisDirection.North.__doc__ = "North"
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Qgis.CrsAxisDirection.NorthNorthEast.__doc__ = "North North East"
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Qgis.CrsAxisDirection.NorthEast.__doc__ = "North East"
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Qgis.CrsAxisDirection.EastNorthEast.__doc__ = "East North East"
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Qgis.CrsAxisDirection.East.__doc__ = "East"
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Qgis.CrsAxisDirection.EastSouthEast.__doc__ = "East South East"
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Qgis.CrsAxisDirection.SouthEast.__doc__ = "South East"
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Qgis.CrsAxisDirection.SouthSouthEast.__doc__ = "South South East"
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Qgis.CrsAxisDirection.South.__doc__ = "South"
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Qgis.CrsAxisDirection.SouthSouthWest.__doc__ = "South South West"
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Qgis.CrsAxisDirection.SouthWest.__doc__ = "South West"
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Qgis.CrsAxisDirection.WestSouthWest.__doc__ = "West South West"
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Qgis.CrsAxisDirection.West.__doc__ = "West"
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Qgis.CrsAxisDirection.WestNorthWest.__doc__ = "West North West"
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Qgis.CrsAxisDirection.NorthWest.__doc__ = "North West"
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Qgis.CrsAxisDirection.NorthNorthWest.__doc__ = "North North West"
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Qgis.CrsAxisDirection.GeocentricX.__doc__ = "Geocentric (X)"
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Qgis.CrsAxisDirection.GeocentricY.__doc__ = "Geocentric (Y)"
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Qgis.CrsAxisDirection.GeocentricZ.__doc__ = "Geocentric (Z)"
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Qgis.CrsAxisDirection.Up.__doc__ = "Up"
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Qgis.CrsAxisDirection.Down.__doc__ = "Down"
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Qgis.CrsAxisDirection.Forward.__doc__ = "Forward"
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Qgis.CrsAxisDirection.Aft.__doc__ = "Aft"
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Qgis.CrsAxisDirection.Port.__doc__ = "Port"
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Qgis.CrsAxisDirection.Starboard.__doc__ = "Starboard"
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Qgis.CrsAxisDirection.Clockwise.__doc__ = "Clockwise"
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Qgis.CrsAxisDirection.CounterClockwise.__doc__ = "Counter clockwise"
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Qgis.CrsAxisDirection.ColumnPositive.__doc__ = "Column positive"
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Qgis.CrsAxisDirection.ColumnNegative.__doc__ = "Column negative"
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Qgis.CrsAxisDirection.RowPositive.__doc__ = "Row positive"
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Qgis.CrsAxisDirection.RowNegative.__doc__ = "Row negative"
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Qgis.CrsAxisDirection.DisplayRight.__doc__ = "Display right"
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Qgis.CrsAxisDirection.DisplayLeft.__doc__ = "Display left"
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Qgis.CrsAxisDirection.DisplayUp.__doc__ = "Display up"
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Qgis.CrsAxisDirection.DisplayDown.__doc__ = "Display down"
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Qgis.CrsAxisDirection.Future.__doc__ = "Future"
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Qgis.CrsAxisDirection.Past.__doc__ = "Past"
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Qgis.CrsAxisDirection.Towards.__doc__ = "Towards"
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Qgis.CrsAxisDirection.AwayFrom.__doc__ = "Away from"
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Qgis.CrsAxisDirection.Unspecified.__doc__ = "Unspecified"
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Qgis.CrsAxisDirection.__doc__ = 'Coordinate reference system axis directions.\n\nFrom "Geographic information — Well-known text representation of coordinate reference systems", section 7.5.1.\n\n.. versionadded:: 3.26\n\n' + '* ``North``: ' + Qgis.CrsAxisDirection.North.__doc__ + '\n' + '* ``NorthNorthEast``: ' + Qgis.CrsAxisDirection.NorthNorthEast.__doc__ + '\n' + '* ``NorthEast``: ' + Qgis.CrsAxisDirection.NorthEast.__doc__ + '\n' + '* ``EastNorthEast``: ' + Qgis.CrsAxisDirection.EastNorthEast.__doc__ + '\n' + '* ``East``: ' + Qgis.CrsAxisDirection.East.__doc__ + '\n' + '* ``EastSouthEast``: ' + Qgis.CrsAxisDirection.EastSouthEast.__doc__ + '\n' + '* ``SouthEast``: ' + Qgis.CrsAxisDirection.SouthEast.__doc__ + '\n' + '* ``SouthSouthEast``: ' + Qgis.CrsAxisDirection.SouthSouthEast.__doc__ + '\n' + '* ``South``: ' + Qgis.CrsAxisDirection.South.__doc__ + '\n' + '* ``SouthSouthWest``: ' + Qgis.CrsAxisDirection.SouthSouthWest.__doc__ + '\n' + '* ``SouthWest``: ' + Qgis.CrsAxisDirection.SouthWest.__doc__ + '\n' + '* ``WestSouthWest``: ' + Qgis.CrsAxisDirection.WestSouthWest.__doc__ + '\n' + '* ``West``: ' + Qgis.CrsAxisDirection.West.__doc__ + '\n' + '* ``WestNorthWest``: ' + Qgis.CrsAxisDirection.WestNorthWest.__doc__ + '\n' + '* ``NorthWest``: ' + Qgis.CrsAxisDirection.NorthWest.__doc__ + '\n' + '* ``NorthNorthWest``: ' + Qgis.CrsAxisDirection.NorthNorthWest.__doc__ + '\n' + '* ``GeocentricX``: ' + Qgis.CrsAxisDirection.GeocentricX.__doc__ + '\n' + '* ``GeocentricY``: ' + Qgis.CrsAxisDirection.GeocentricY.__doc__ + '\n' + '* ``GeocentricZ``: ' + Qgis.CrsAxisDirection.GeocentricZ.__doc__ + '\n' + '* ``Up``: ' + Qgis.CrsAxisDirection.Up.__doc__ + '\n' + '* ``Down``: ' + Qgis.CrsAxisDirection.Down.__doc__ + '\n' + '* ``Forward``: ' + Qgis.CrsAxisDirection.Forward.__doc__ + '\n' + '* ``Aft``: ' + Qgis.CrsAxisDirection.Aft.__doc__ + '\n' + '* ``Port``: ' + Qgis.CrsAxisDirection.Port.__doc__ + '\n' + '* ``Starboard``: ' + Qgis.CrsAxisDirection.Starboard.__doc__ + '\n' + '* ``Clockwise``: ' + Qgis.CrsAxisDirection.Clockwise.__doc__ + '\n' + '* ``CounterClockwise``: ' + Qgis.CrsAxisDirection.CounterClockwise.__doc__ + '\n' + '* ``ColumnPositive``: ' + Qgis.CrsAxisDirection.ColumnPositive.__doc__ + '\n' + '* ``ColumnNegative``: ' + Qgis.CrsAxisDirection.ColumnNegative.__doc__ + '\n' + '* ``RowPositive``: ' + Qgis.CrsAxisDirection.RowPositive.__doc__ + '\n' + '* ``RowNegative``: ' + Qgis.CrsAxisDirection.RowNegative.__doc__ + '\n' + '* ``DisplayRight``: ' + Qgis.CrsAxisDirection.DisplayRight.__doc__ + '\n' + '* ``DisplayLeft``: ' + Qgis.CrsAxisDirection.DisplayLeft.__doc__ + '\n' + '* ``DisplayUp``: ' + Qgis.CrsAxisDirection.DisplayUp.__doc__ + '\n' + '* ``DisplayDown``: ' + Qgis.CrsAxisDirection.DisplayDown.__doc__ + '\n' + '* ``Future``: ' + Qgis.CrsAxisDirection.Future.__doc__ + '\n' + '* ``Past``: ' + Qgis.CrsAxisDirection.Past.__doc__ + '\n' + '* ``Towards``: ' + Qgis.CrsAxisDirection.Towards.__doc__ + '\n' + '* ``AwayFrom``: ' + Qgis.CrsAxisDirection.AwayFrom.__doc__ + '\n' + '* ``Unspecified``: ' + Qgis.CrsAxisDirection.Unspecified.__doc__
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# --
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Qgis.CrsAxisDirection.baseClass = Qgis
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# monkey patching scoped based enum
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Qgis.AnnotationItemFlag.ScaleDependentBoundingBox.__doc__ = "Item's bounding box will vary depending on map scale"
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Qgis.AnnotationItemFlag.__doc__ = 'Flags for annotation items.\n\n.. versionadded:: 3.22\n\n' + '* ``ScaleDependentBoundingBox``: ' + Qgis.AnnotationItemFlag.ScaleDependentBoundingBox.__doc__
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# --
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@ -920,6 +920,47 @@ Returns whether axis is inverted (e.g., for WMS 1.3) for the CRS.
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:return: ``True`` if CRS axis is inverted
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%End
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SIP_PYOBJECT axisOrdering() const /TypeHint="List[Qgis.CrsAxisDirection]"/;
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%Docstring
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Returns an ordered list of the axis directions reflecting the native axis order for the CRS.
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.. versionadded:: 3.26
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%End
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%MethodCode
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// adapted from the qpymultimedia_qlist.sip file from the PyQt6 sources
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const QList< Qgis::CrsAxisDirection > cppRes = sipCpp->axisOrdering();
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PyObject *l = PyList_New( cppRes.size() );
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if ( !l )
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sipIsErr = 1;
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else
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{
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for ( int i = 0; i < cppRes.size(); ++i )
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{
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PyObject *eobj = sipConvertFromEnum( static_cast<int>( cppRes.at( i ) ),
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sipType_Qgis_CrsAxisDirection );
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if ( !eobj )
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{
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sipIsErr = 1;
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}
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PyList_SetItem( l, i, eobj );
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}
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if ( !sipIsErr )
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{
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sipRes = l;
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}
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else
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{
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Py_DECREF( l );
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}
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}
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%End
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QgsUnitTypes::DistanceUnit mapUnits() const;
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%Docstring
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Returns the units for the projection used by the CRS.
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@ -560,6 +560,50 @@ The development version
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typedef QFlags<Qgis::DataProviderFlag> DataProviderFlags;
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enum class CrsAxisDirection
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{
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North,
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NorthNorthEast,
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NorthEast,
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EastNorthEast,
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East,
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EastSouthEast,
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SouthEast,
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SouthSouthEast,
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South,
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SouthSouthWest,
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SouthWest,
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WestSouthWest,
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West,
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WestNorthWest,
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NorthWest,
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NorthNorthWest,
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GeocentricX,
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GeocentricY,
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GeocentricZ,
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Up,
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Down,
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Forward,
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Aft,
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Port,
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Starboard,
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Clockwise,
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CounterClockwise,
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ColumnPositive,
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ColumnNegative,
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RowPositive,
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RowNegative,
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DisplayRight,
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DisplayLeft,
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DisplayUp,
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DisplayDown,
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Future,
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Past,
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Towards,
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AwayFrom,
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Unspecified,
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};
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enum class AnnotationItemFlag
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{
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ScaleDependentBoundingBox,
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@ -298,7 +298,6 @@ template <TYPE>
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%End
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};
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%MappedType QList<long>
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{
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%TypeHeaderCode
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@ -511,7 +511,7 @@ sub fix_annotations {
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$line =~ s/\bSIP_GETWRAPPER\b/\/GetWrapper\//;
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$line =~ s/SIP_PYNAME\(\s*(\w+)\s*\)/\/PyName=$1\//;
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$line =~ s/SIP_TYPEHINT\(\s*([\w\s,\[\]]+?)\s*\)/\/TypeHint="$1"\//g;
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$line =~ s/SIP_TYPEHINT\(\s*([\w\.\s,\[\]]+?)\s*\)/\/TypeHint="$1"\//g;
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$line =~ s/SIP_VIRTUALERRORHANDLER\(\s*(\w+)\s*\)/\/VirtualErrorHandler=$1\//;
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$line =~ s/SIP_THROW\(\s*(\w+)\s*\)/throw\( $1 \)/;
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@ -793,6 +793,101 @@ bool QgsCoordinateReferenceSystem::hasAxisInverted() const
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return d->mAxisInverted;
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}
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QList<Qgis::CrsAxisDirection> QgsCoordinateReferenceSystem::axisOrdering() const
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{
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const PJ *projObject = d->threadLocalProjObject();
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if ( !projObject )
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return {};
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PJ_CONTEXT *context = QgsProjContext::get();
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QgsProjUtils::proj_pj_unique_ptr pjCs( proj_crs_get_coordinate_system( context, projObject ) );
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if ( !pjCs )
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return {};
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const thread_local QMap< Qgis::CrsAxisDirection, QString > mapping =
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{
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{ Qgis::CrsAxisDirection::North, QStringLiteral( "north" ) },
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{ Qgis::CrsAxisDirection::NorthNorthEast, QStringLiteral( "northNorthEast" ) },
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{ Qgis::CrsAxisDirection::NorthEast, QStringLiteral( "northEast" ) },
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{ Qgis::CrsAxisDirection::EastNorthEast, QStringLiteral( "eastNorthEast" ) },
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{ Qgis::CrsAxisDirection::East, QStringLiteral( "east" ) },
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{ Qgis::CrsAxisDirection::EastSouthEast, QStringLiteral( "eastSouthEast" ) },
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{ Qgis::CrsAxisDirection::SouthEast, QStringLiteral( "southEast" ) },
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{ Qgis::CrsAxisDirection::SouthSouthEast, QStringLiteral( "southSouthEast" ) },
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{ Qgis::CrsAxisDirection::South, QStringLiteral( "south" ) },
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{ Qgis::CrsAxisDirection::SouthSouthWest, QStringLiteral( "southSouthWest" ) },
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{ Qgis::CrsAxisDirection::SouthWest, QStringLiteral( "southWest" ) },
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{ Qgis::CrsAxisDirection::WestSouthWest, QStringLiteral( "westSouthWest" ) },
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{ Qgis::CrsAxisDirection::West, QStringLiteral( "west" ) },
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{ Qgis::CrsAxisDirection::WestNorthWest, QStringLiteral( "westNorthWest" ) },
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{ Qgis::CrsAxisDirection::NorthWest, QStringLiteral( "northWest" ) },
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{ Qgis::CrsAxisDirection::NorthNorthWest, QStringLiteral( "northNorthWest" ) },
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{ Qgis::CrsAxisDirection::GeocentricX, QStringLiteral( "geocentricX" ) },
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{ Qgis::CrsAxisDirection::GeocentricY, QStringLiteral( "geocentricY" ) },
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{ Qgis::CrsAxisDirection::GeocentricZ, QStringLiteral( "geocentricZ" ) },
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{ Qgis::CrsAxisDirection::Up, QStringLiteral( "up" ) },
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{ Qgis::CrsAxisDirection::Down, QStringLiteral( "down" ) },
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{ Qgis::CrsAxisDirection::Forward, QStringLiteral( "forward" ) },
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{ Qgis::CrsAxisDirection::Aft, QStringLiteral( "aft" ) },
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{ Qgis::CrsAxisDirection::Port, QStringLiteral( "port" ) },
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{ Qgis::CrsAxisDirection::Starboard, QStringLiteral( "starboard" ) },
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{ Qgis::CrsAxisDirection::Clockwise, QStringLiteral( "clockwise" ) },
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{ Qgis::CrsAxisDirection::CounterClockwise, QStringLiteral( "counterClockwise" ) },
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{ Qgis::CrsAxisDirection::ColumnPositive, QStringLiteral( "columnPositive" ) },
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{ Qgis::CrsAxisDirection::ColumnNegative, QStringLiteral( "columnNegative" ) },
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{ Qgis::CrsAxisDirection::RowPositive, QStringLiteral( "rowPositive" ) },
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{ Qgis::CrsAxisDirection::RowNegative, QStringLiteral( "rowNegative" ) },
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{ Qgis::CrsAxisDirection::DisplayRight, QStringLiteral( "displayRight" ) },
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{ Qgis::CrsAxisDirection::DisplayLeft, QStringLiteral( "displayLeft" ) },
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{ Qgis::CrsAxisDirection::DisplayUp, QStringLiteral( "displayUp" ) },
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{ Qgis::CrsAxisDirection::DisplayDown, QStringLiteral( "displayDown" ) },
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{ Qgis::CrsAxisDirection::Future, QStringLiteral( "future" ) },
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{ Qgis::CrsAxisDirection::Past, QStringLiteral( "past" ) },
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{ Qgis::CrsAxisDirection::Towards, QStringLiteral( "towards" ) },
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{ Qgis::CrsAxisDirection::AwayFrom, QStringLiteral( "awayFrom" ) },
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};
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QList< Qgis::CrsAxisDirection > res;
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const int axisCount = proj_cs_get_axis_count( context, pjCs.get() );
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if ( axisCount > 0 )
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{
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res.reserve( axisCount );
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for ( int i = 0; i < axisCount; ++i )
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{
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const char *outDirection = nullptr;
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proj_cs_get_axis_info( context, pjCs.get(), i,
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nullptr,
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nullptr,
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&outDirection,
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nullptr,
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nullptr,
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nullptr,
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nullptr
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);
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// get first word of direction only
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const thread_local QRegularExpression rx( QStringLiteral( "([^\\s]+).*" ) );
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const QRegularExpressionMatch match = rx.match( QString( outDirection ) );
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if ( !match.hasMatch() )
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continue;
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const QString direction = match.captured( 1 );
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Qgis::CrsAxisDirection dir = Qgis::CrsAxisDirection::Unspecified;
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for ( auto it = mapping.constBegin(); it != mapping.constEnd(); ++it )
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{
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if ( it.value().compare( direction, Qt::CaseInsensitive ) == 0 )
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{
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dir = it.key();
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break;
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}
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}
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res.append( dir );
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}
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}
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return res;
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}
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bool QgsCoordinateReferenceSystem::createFromWkt( const QString &wkt )
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{
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return createFromWktInternal( wkt, QString() );
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@ -841,6 +841,51 @@ class CORE_EXPORT QgsCoordinateReferenceSystem
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*/
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bool hasAxisInverted() const;
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/**
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* Returns an ordered list of the axis directions reflecting the native axis order for the CRS.
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*
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* \since QGIS 3.26
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*/
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#ifndef SIP_RUN
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QList< Qgis::CrsAxisDirection > axisOrdering() const;
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#else
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SIP_PYOBJECT axisOrdering() const SIP_TYPEHINT( List[Qgis.CrsAxisDirection] );
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% MethodCode
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// adapted from the qpymultimedia_qlist.sip file from the PyQt6 sources
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const QList< Qgis::CrsAxisDirection > cppRes = sipCpp->axisOrdering();
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PyObject *l = PyList_New( cppRes.size() );
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if ( !l )
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sipIsErr = 1;
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else
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{
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for ( int i = 0; i < cppRes.size(); ++i )
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{
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PyObject *eobj = sipConvertFromEnum( static_cast<int>( cppRes.at( i ) ),
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sipType_Qgis_CrsAxisDirection );
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if ( !eobj )
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{
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sipIsErr = 1;
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}
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PyList_SetItem( l, i, eobj );
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}
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if ( !sipIsErr )
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{
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sipRes = l;
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}
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else
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{
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Py_DECREF( l );
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}
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}
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% End
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#endif
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/**
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* Returns the units for the projection used by the CRS.
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*/
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@ -900,6 +900,58 @@ class CORE_EXPORT Qgis
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Q_DECLARE_FLAGS( DataProviderFlags, DataProviderFlag )
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Q_ENUM( DataProviderFlag )
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/**
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* Coordinate reference system axis directions.
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*
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* From "Geographic information — Well-known text representation of coordinate reference systems", section 7.5.1.
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*
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* \since QGIS 3.26
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*/
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enum class CrsAxisDirection : int
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{
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North, //!< North
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NorthNorthEast, //!< North North East
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NorthEast, //!< North East
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EastNorthEast, //!< East North East
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East, //!< East
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EastSouthEast, //!< East South East
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SouthEast, //!< South East
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SouthSouthEast, //!< South South East
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South, //!< South
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SouthSouthWest, //!< South South West
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SouthWest, //!< South West
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WestSouthWest, //!< West South West
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West, //!< West
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WestNorthWest, //!< West North West
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NorthWest, //!< North West
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NorthNorthWest, //!< North North West
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GeocentricX, //!< Geocentric (X)
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GeocentricY, //!< Geocentric (Y)
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GeocentricZ, //!< Geocentric (Z)
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Up, //!< Up
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Down, //!< Down
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Forward, //!< Forward
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Aft, //!< Aft
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Port, //!< Port
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Starboard, //!< Starboard
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Clockwise, //!< Clockwise
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CounterClockwise, //!< Counter clockwise
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ColumnPositive, //!< Column positive
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ColumnNegative, //!< Column negative
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RowPositive, //!< Row positive
|
||||
RowNegative, //!< Row negative
|
||||
DisplayRight, //!< Display right
|
||||
DisplayLeft, //!< Display left
|
||||
DisplayUp, //!< Display up
|
||||
DisplayDown, //!< Display down
|
||||
Future, //!< Future
|
||||
Past, //!< Past
|
||||
Towards, //!< Towards
|
||||
AwayFrom, //!< Away from
|
||||
Unspecified, //!< Unspecified
|
||||
};
|
||||
Q_ENUM( CrsAxisDirection )
|
||||
|
||||
/**
|
||||
* Flags for annotation items.
|
||||
*
|
||||
|
||||
@ -59,6 +59,7 @@ ADD_PYTHON_TEST(PyQgsColorSchemeRegistry test_qgscolorschemeregistry.py)
|
||||
ADD_PYTHON_TEST(PyQgsCoordinateFormatter test_qgscoordinateformatter.py)
|
||||
ADD_PYTHON_TEST(PyQgsCoordinateOperationWidget test_qgscoordinateoperationwidget.py)
|
||||
ADD_PYTHON_TEST(PyQgsConditionalFormatWidgets test_qgsconditionalformatwidgets.py)
|
||||
ADD_PYTHON_TEST(PyQgsCoordinateReferenceSystem test_qgscoordinatereferencesystem.py)
|
||||
ADD_PYTHON_TEST(PyQgsConditionalStyle test_qgsconditionalstyle.py)
|
||||
ADD_PYTHON_TEST(PyQgsConnectionRegistry test_qgsconnectionregistry.py)
|
||||
ADD_PYTHON_TEST(PyQgsCoordinateTransformContext test_qgscoordinatetransformcontext.py)
|
||||
|
||||
36
tests/src/python/test_qgscoordinatereferencesystem.py
Normal file
36
tests/src/python/test_qgscoordinatereferencesystem.py
Normal file
@ -0,0 +1,36 @@
|
||||
# -*- coding: utf-8 -*-
|
||||
"""QGIS Unit tests for QgsCoordinateReferenceSystem.
|
||||
|
||||
Note that most of the tests for this class are in the c++ test file!
|
||||
|
||||
.. note:: This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
"""
|
||||
__author__ = '(C) 2022 by Nyall Dawson'
|
||||
__date__ = '06/04/2022'
|
||||
__copyright__ = 'Copyright 2022, The QGIS Project'
|
||||
|
||||
import qgis # NOQA
|
||||
|
||||
from qgis.core import (QgsCoordinateReferenceSystem,
|
||||
Qgis)
|
||||
from qgis.testing import start_app, unittest
|
||||
|
||||
start_app()
|
||||
|
||||
|
||||
class TestQgsCoordinateReferenceSystem(unittest.TestCase):
|
||||
|
||||
def test_axis_order(self):
|
||||
"""
|
||||
Test QgsCoordinateReferenceSystem.axisOrdering() (including the Python MethodCode associated with this)
|
||||
"""
|
||||
self.assertEqual(QgsCoordinateReferenceSystem().axisOrdering(), [])
|
||||
self.assertEqual(QgsCoordinateReferenceSystem('EPSG:4326').axisOrdering(), [Qgis.CrsAxisDirection.North, Qgis.CrsAxisDirection.East])
|
||||
self.assertEqual(QgsCoordinateReferenceSystem('EPSG:3111').axisOrdering(), [Qgis.CrsAxisDirection.East, Qgis.CrsAxisDirection.North])
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
Loading…
x
Reference in New Issue
Block a user