MySQL 8.0.39
Source Code Documentation
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A collection of polygons. More...
#include <geometries.h>
Public Member Functions | |
Geometry_type | type () const override |
Gets the geometry type of the object. More... | |
bool | accept (Geometry_visitor *v) override=0 |
Applies a hierarchical visitor to this geometry. More... | |
Multipolygon * | clone () const override=0 |
Clone pattern to easily duplicate a Multipolygon. More... | |
Polygon & | front () override=0 |
Returns the first polygon of the Multipolygon. More... | |
const Polygon & | front () const override=0 |
Public Member Functions inherited from gis::Geometrycollection | |
virtual void | push_back (const Geometry &g)=0 |
Adds a geometry to the collection. More... | |
virtual void | push_back (Geometry &&g)=0 |
virtual void | pop_front ()=0 |
Removes a geometry from the front of the collection. More... | |
virtual bool | empty () const =0 |
Checks if the collection is empty. More... | |
virtual std::size_t | size () const =0 |
Returns the size of the geometrycollection. More... | |
virtual void | resize (std::size_t count)=0 |
Resizes the geometrycollection to contain a given number of elements. More... | |
virtual void | clear () noexcept=0 |
Removes all geometries from the geometrycollection. More... | |
virtual Geometry & | operator[] (std::size_t i)=0 |
virtual const Geometry & | operator[] (std::size_t i) const =0 |
Public Member Functions inherited from gis::Geometry | |
Geometry ()=default | |
virtual | ~Geometry ()=default |
Geometry (const Geometry &)=default | |
Geometry & | operator= (const Geometry &)=default |
virtual Coordinate_system | coordinate_system () const =0 |
Gets the coordinate system. More... | |
virtual bool | is_empty () const =0 |
Check if this is an empty geometry. More... | |
Static Public Member Functions | |
static Multipolygon * | create_multipolygon (Coordinate_system coordinate_system) |
Creates a subclass of Multipolygon from a Coordinate_system. More... | |
Static Public Member Functions inherited from gis::Geometrycollection | |
static Geometrycollection * | CreateGeometrycollection (Coordinate_system coordinate_system) |
Creates a subclass of Geometrycollection from a Coordinate_system. More... | |
static Geometrycollection * | create_geometrycollection (Coordinate_system coordinate_system) |
Creates a subclass from a Coordinate_system. More... | |
A collection of polygons.
Multipolygon is an instantiable type in SQL.
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overridepure virtual |
Applies a hierarchical visitor to this geometry.
v | A hierarchical visitor. |
true | The execution was aborted by the visitor. |
false | The execution completed. |
Implements gis::Multisurface.
Implemented in gis::Cartesian_multipolygon, and gis::Geographic_multipolygon.
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overridepure virtual |
Clone pattern to easily duplicate a Multipolygon.
Implements gis::Geometrycollection.
Implemented in gis::Cartesian_multipolygon, and gis::Geographic_multipolygon.
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static |
Creates a subclass of Multipolygon from a Coordinate_system.
[in] | coordinate_system | Coordinate system to create a Multipolygon for. |
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overridepure virtual |
Implements gis::Geometrycollection.
Implemented in gis::Cartesian_multipolygon, and gis::Geographic_multipolygon.
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overridepure virtual |
Returns the first polygon of the Multipolygon.
Implements gis::Geometrycollection.
Implemented in gis::Cartesian_multipolygon, and gis::Geographic_multipolygon.
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inlineoverridevirtual |