geos.GEOSUnaryUnion ⇒ number
⏏
Computes the union of all the input geometries.
Kind: Exported member
Returns: number
- A pointer to a new GEOS geometry representing the union, or NULL on exception.
See: https://postgis.net/docs/ST_UnaryUnion.html
Param | Type | Description |
---|---|---|
geom | number | A pointer to a GEOS geometry. |
geos.GEOSUnaryUnionPrec ⇒ number
⏏
Computes the union of all the input geometries with a specified precision grid size.
Kind: Exported member
Returns: number
- A pointer to a new GEOS geometry representing the union, or NULL on exception.
See: https://postgis.net/docs/ST_UnaryUnion.html
Param | Type | Description |
---|---|---|
geom | number | A pointer to a GEOS geometry. |
gridSize | number | The size of the precision grid to use for snapping. |
geos.GEOSUnaryUnionPrec_r ⇒ number
⏏
Computes the union of all the input geometries with a specified precision grid size using a GEOS context handle.
Kind: Exported member
Returns: number
- A pointer to a new GEOS geometry representing the union, or NULL on exception.
See: https://docs.rs/geos-sys/2.0.3/geos_sys/fn.GEOSUnaryUnionPrec_r.html
Param | Type | Description |
---|---|---|
handle | number | A pointer to a GEOS context handle. |
geom | number | A pointer to a GEOS geometry. |
gridSize | number | The size of the precision grid to use for snapping. |
geos.GEOSUnaryUnion_r ⇒ number
⏏
Computes the union of all the input geometries using a GEOS context handle.
Kind: Exported member
Returns: number
- A pointer to a new GEOS geometry representing the union, or NULL on exception.
See: https://docs.rs/geos-sys/2.0.3/geos_sys/fn.GEOSUnaryUnion_r.html
Param | Type | Description |
---|---|---|
handle | number | A pointer to a GEOS context handle. |
geom | number | A pointer to a GEOS geometry. |