Package index • dbSpatial

dbSpatial Package

Functions and methods for dbSpatial objects

as_dbSpatial(): Convert an sf or terra object to a dbSpatial object
dbSpatial(): Create a dbSpatial object with geometry data type
show(<dbSpatial>): show method for dbSpatial
st_as_sf(<dbSpatial>): Convert dbSpatial objects to sf objects
vect(<dbSpatial>): Create SpatVector objects

Spatial Joins

Functions and methods that perform a spatial join between dbSpatial objects.

st_join(<dbSpatial>): Spatial join for dbSpatial objects

Spatial Summary

Functions and methods that summarize geometry data in a dbSpatial object.

st_bbox(<dbSpatial>): Compute bounding box for dbSpatial object
st_xmax(): Get maximum x coordinate
st_ymax(): Get maximum y coordinate

Spatial Properties

Functions and methods that return a single vector about a geometry in a dbSpatial object.

st_geometrytype(): Get geometry types (DuckDB-native)

Geometry construction

Functions and methods for constructing or modifying geometry in a dbSpatial object.

st_translate(): Translate x, y coordinates by delta x, delta y for point geometries
st_as_geojson(): Convert to GeoJSON
st_as_text: Convert to WKT

DuckDB Spatial Extension

Functions and methods specific for DuckDB spatial extension.

loadSpatial(): Install and/or load DuckDB spatial extension

dbData

dbData methods

head(<dbSpatial>): head method for dbSpatial
tail(<dbSpatial>): tail method for dbSpatial

Geometry Operations

Functions that modify or transform geometries.

st_buffer: Compute buffer around geometry
st_centroid: Compute centroid of geometry
st_simplify: Simplify geometry

Measurements

Functions that compute metric measurements of geometries.

st_area: Get area of geometries
st_length: Get length of geometries
st_perimeter: Get perimeter of geometries

Accessors

Functions that extract coordinates or properties.

`$`(<dbSpatial>): Column extraction for dbSpatial
st_npoints(): Get number of points
st_x(): Get X coordinate
st_y(): Get Y coordinate

Configuration

Global package options.

dbSpatial_options dbSpatial-options: dbSpatial Package Global Options