Class: QgsWkbTypes¶
-
class
qgis.core.
QgsWkbTypes
¶ Bases:
sip.wrapper
Handles storage of information regarding WKB types and their properties.
Methods
Adds the m dimension to a WKB type and returns the new type
Adds the z dimension to a WKB type and returns the new type
Returns the coordinate dimension of the geometry type as an integer.
Returns the curve type for a WKB type.
Returns a display string type for a WKB type, e.g., the geometry name used in WKT geometry representations.
Drops the m dimension (if present) for a WKB type and returns the new type.
Drops the z dimension (if present) for a WKB type and returns the new type.
Returns the flat type for a WKB type.
Returns a display string for a geometry type.
Returns the geometry type for a WKB type, e.g., both MultiPolygon and CurvePolygon would have a PolygonGeometry geometry type.
Tests whether a WKB type contains m values.
Tests whether a WKB type contains the z-dimension.
Returns true if the WKB type is a curved type or can contain curved geometries.
Returns true if the WKB type is a multi type.
Returns true if the WKB type is a single type.
Returns the multi type for a WKB type.
Attempts to extract the WKB type from a WKT string.
Returns the single type for a WKB type.
Will convert the 25D version of the flat type if supported or Unknown if not supported.
Returns the inherent dimension of the geometry type as an integer.
Returns the modified input geometry type according to hasZ / hasM
Attributes
-
CircularString
= 8¶
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CircularStringM
= 2008¶
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CircularStringZ
= 1008¶
-
CircularStringZM
= 3008¶
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CompoundCurve
= 9¶
-
CompoundCurveM
= 2009¶
-
CompoundCurveZ
= 1009¶
-
CompoundCurveZM
= 3009¶
-
CurvePolygon
= 10¶
-
CurvePolygonM
= 2010¶
-
CurvePolygonZ
= 1010¶
-
CurvePolygonZM
= 3010¶
-
GeometryCollection
= 7¶
-
GeometryCollectionM
= 2007¶
-
GeometryCollectionZ
= 1007¶
-
GeometryCollectionZM
= 3007¶
-
class
GeometryType
¶ Bases:
int
-
baseClass
¶ alias of
QgsWkbTypes
-
-
LineGeometry
= 1¶
-
LineString
= 2¶
-
LineString25D
= -2147483646¶
-
LineStringM
= 2002¶
-
LineStringZ
= 1002¶
-
LineStringZM
= 3002¶
-
MultiCurve
= 11¶
-
MultiCurveM
= 2011¶
-
MultiCurveZ
= 1011¶
-
MultiCurveZM
= 3011¶
-
MultiLineString
= 5¶
-
MultiLineString25D
= -2147483643¶
-
MultiLineStringM
= 2005¶
-
MultiLineStringZ
= 1005¶
-
MultiLineStringZM
= 3005¶
-
MultiPoint
= 4¶
-
MultiPoint25D
= -2147483644¶
-
MultiPointM
= 2004¶
-
MultiPointZ
= 1004¶
-
MultiPointZM
= 3004¶
-
MultiPolygon
= 6¶
-
MultiPolygon25D
= -2147483642¶
-
MultiPolygonM
= 2006¶
-
MultiPolygonZ
= 1006¶
-
MultiPolygonZM
= 3006¶
-
MultiSurface
= 12¶
-
MultiSurfaceM
= 2012¶
-
MultiSurfaceZ
= 1012¶
-
MultiSurfaceZM
= 3012¶
-
NoGeometry
= 100¶
-
NullGeometry
= 4¶
-
Point
= 1¶
-
Point25D
= -2147483647¶
-
PointGeometry
= 0¶
-
PointM
= 2001¶
-
PointZ
= 1001¶
-
PointZM
= 3001¶
-
Polygon
= 3¶
-
Polygon25D
= -2147483645¶
-
PolygonGeometry
= 2¶
-
PolygonM
= 2003¶
-
PolygonZ
= 1003¶
-
PolygonZM
= 3003¶
-
Triangle
= 17¶
-
TriangleM
= 2017¶
-
TriangleZ
= 1017¶
-
TriangleZM
= 3017¶
-
class
Type
¶ Bases:
int
-
Unknown
= 0¶
-
UnknownGeometry
= 3¶
-
addM
(type: QgsWkbTypes.Type) → QgsWkbTypes.Type¶ Adds the m dimension to a WKB type and returns the new type
- Parameters
type (QgsWkbTypes.Type) – original type
See also
See also
See also
New in version 2.12.
- Return type
-
addZ
(type: QgsWkbTypes.Type) → QgsWkbTypes.Type¶ Adds the z dimension to a WKB type and returns the new type
- Parameters
type (QgsWkbTypes.Type) – original type
See also
See also
See also
New in version 2.12.
- Return type
-
coordDimensions
(type: QgsWkbTypes.Type) → int¶ Returns the coordinate dimension of the geometry type as an integer. Returned value will be between 2-4, depending on whether the geometry type contains the Z or M dimensions. Invalid geometry types will return a dimension of 0.
See also
New in version 2.14.
- Parameters
type (QgsWkbTypes.Type) –
- Return type
int
-
curveType
(type: QgsWkbTypes.Type) → QgsWkbTypes.Type¶ Returns the curve type for a WKB type. For example, for Polygon WKB types the curve type would be CurvePolygon.
See also
See also
See also
- Parameters
type (QgsWkbTypes.Type) –
- Return type
-
displayString
(type: QgsWkbTypes.Type) → str¶ Returns a display string type for a WKB type, e.g., the geometry name used in WKT geometry representations.
- Parameters
type (QgsWkbTypes.Type) –
- Return type
str
-
dropM
(type: QgsWkbTypes.Type) → QgsWkbTypes.Type¶ Drops the m dimension (if present) for a WKB type and returns the new type.
- Parameters
type (QgsWkbTypes.Type) – original type
See also
See also
New in version 2.14.
- Return type
-
dropZ
(type: QgsWkbTypes.Type) → QgsWkbTypes.Type¶ Drops the z dimension (if present) for a WKB type and returns the new type.
- Parameters
type (QgsWkbTypes.Type) – original type
See also
See also
New in version 2.14.
- Return type
-
flatType
(type: QgsWkbTypes.Type) → QgsWkbTypes.Type¶ Returns the flat type for a WKB type. This is the WKB type minus any Z or M dimensions. For example, for PolygonZM WKB types the single type would be Polygon.
See also
See also
- Parameters
type (QgsWkbTypes.Type) –
- Return type
-
geometryDisplayString
(type: QgsWkbTypes.GeometryType) → str¶ Returns a display string for a geometry type.
This will return one of the following strings:
Point
Line
Polygon
Unknown Geometry
No Geometry
Invalid Geometry
New in version 3.0.
- Parameters
type (QgsWkbTypes.GeometryType) –
- Return type
str
-
geometryType
(type: QgsWkbTypes.Type) → QgsWkbTypes.GeometryType¶ Returns the geometry type for a WKB type, e.g., both MultiPolygon and CurvePolygon would have a PolygonGeometry geometry type. GeometryCollections are reported as QgsWkbTypes.UnknownGeometry.
- Parameters
type (QgsWkbTypes.Type) –
- Return type
-
hasM
(type: QgsWkbTypes.Type) → bool¶ Tests whether a WKB type contains m values.
- Return type
bool
- Returns
true if type has m values
See also
See also
- Parameters
type (QgsWkbTypes.Type) –
-
hasZ
(type: QgsWkbTypes.Type) → bool¶ Tests whether a WKB type contains the z-dimension.
- Return type
bool
- Returns
true if type has z values
See also
See also
- Parameters
type (QgsWkbTypes.Type) –
-
isCurvedType
(type: QgsWkbTypes.Type) → bool¶ Returns true if the WKB type is a curved type or can contain curved geometries.
New in version 2.14.
- Parameters
type (QgsWkbTypes.Type) –
- Return type
bool
-
isMultiType
(type: QgsWkbTypes.Type) → bool¶ Returns true if the WKB type is a multi type.
See also
See also
- Parameters
type (QgsWkbTypes.Type) –
- Return type
bool
-
isSingleType
(type: QgsWkbTypes.Type) → bool¶ Returns true if the WKB type is a single type.
See also
See also
- Parameters
type (QgsWkbTypes.Type) –
- Return type
bool
-
multiType
(type: QgsWkbTypes.Type) → QgsWkbTypes.Type¶ Returns the multi type for a WKB type. For example, for Polygon WKB types the multi type would be MultiPolygon.
See also
See also
See also
- Parameters
type (QgsWkbTypes.Type) –
- Return type
-
parseType
(wktStr: str) → QgsWkbTypes.Type¶ Attempts to extract the WKB type from a WKT string.
- Parameters
wktStr (str) – a valid WKT string
- Return type
-
singleType
(type: QgsWkbTypes.Type) → QgsWkbTypes.Type¶ Returns the single type for a WKB type. For example, for MultiPolygon WKB types the single type would be Polygon.
See also
See also
See also
- Parameters
type (QgsWkbTypes.Type) –
- Return type
-
staticMetaObject
= <PyQt5.QtCore.QMetaObject object>¶
-
to25D
(type: QgsWkbTypes.Type) → QgsWkbTypes.Type¶ Will convert the 25D version of the flat type if supported or Unknown if not supported.
- Parameters
type (QgsWkbTypes.Type) – The type to convert
- Return type
- Returns
the 25D version of the type or Unknown
-
wkbDimensions
(type: QgsWkbTypes.Type) → int¶ Returns the inherent dimension of the geometry type as an integer. Returned value will always be less than or equal to the coordinate dimension.
- Return type
int
- Returns
0 for point geometries, 1 for line geometries, 2 for polygon geometries Invalid geometry types will return a dimension of 0.
See also
- Parameters
type (QgsWkbTypes.Type) –
-
zmType
(type: QgsWkbTypes.Type, hasZ: bool, hasM: bool) → QgsWkbTypes.Type¶ Returns the modified input geometry type according to hasZ / hasM
- Parameters
type (QgsWkbTypes.Type) –
hasZ (bool) –
hasM (bool) –
- Return type
-