R Interface to 'DuckDB' Database with Spatial Extension

---

Documentation for package ‘duckspatial’ version 0.9.0

• DESCRIPTION file
• User guides, package vignettes and other documentation
• Package NEWS
• Package README

Help Pages

ddbs_area	Calculates the area of geometries
ddbs_as_hexwkb	Convert geometries to hexadecimal Well-Known Binary (HEXWKB) format
ddbs_as_text	Convert geometries to Well-Known Text (WKT) format
ddbs_as_wkb	Convert geometries to Well-Known Binary (WKB) format
ddbs_bbox	Returns the minimal bounding box enclosing the input geometry
ddbs_boundary	Returns the boundary of geometries
ddbs_buffer	Creates a buffer around geometries
ddbs_centroid	Calculates the centroid of geometries
ddbs_combine	Combine geometries into a single MULTI-geometry
ddbs_concave_hull	Returns the concave hull enclosing the geometry
ddbs_contains	Spatial contains predicate
ddbs_contains_properly	Spatial contains properly predicate
ddbs_convex_hull	Returns the convex hull enclosing the geometry
ddbs_covered_by	Spatial covered by predicate
ddbs_covers	Spatial covers predicate
ddbs_create_conn	Create a DuckDB connection with spatial extension
ddbs_create_schema	Check and create schema
ddbs_crosses	Spatial crosses predicate
ddbs_crs	Check CRS of a table
ddbs_difference	Calculates the difference of two geometries
ddbs_disjoint	Spatial disjoint predicate
ddbs_distance	Returns the distance between two geometries
ddbs_drivers	Get list of GDAL drivers and file formats
ddbs_envelope	Returns the envelope (bounding box) of geometries
ddbs_equals	Spatial equals predicate
ddbs_exterior_ring	Extracts the exterior ring of polygon geometries
ddbs_filter	Performs spatial filter of two geometries
ddbs_flip	Flip geometries horizontally or vertically
ddbs_generate_points	Generate random points within geometries
ddbs_glimpse	Check first rows of the data
ddbs_install	Checks and installs the Spatial extension
ddbs_interpolate_aw	Areal-Weighted Interpolation using DuckDB
ddbs_intersection	Calculates the intersection of two geometries
ddbs_intersects	Spatial intersects predicate
ddbs_intersects_extent	Spatial intersects extent predicate
ddbs_is_simple	Check if geometries are simple
ddbs_is_valid	Check if geometries are valid
ddbs_is_within_distance	Within Distance predicate
ddbs_join	Performs spatial joins of two geometries
ddbs_length	Calculates the length of geometries
ddbs_list_tables	Check tables and schemas inside a database
ddbs_load	Loads the Spatial extension
ddbs_make_polygon	Creates polygons from linestring geometries
ddbs_make_valid	Make invalid geometries valid
ddbs_overlaps	Spatial overlaps predicate
ddbs_predicate	Spatial predicate operations
ddbs_quadkey	Convert geometries to QuadKey tiles
ddbs_read_vector	Load spatial vector data from DuckDB into R
ddbs_register_vector	Register an SF Object as an Arrow Table in DuckDB
ddbs_rotate	Rotate geometries around centroid
ddbs_rotate_3d	Rotate 3D geometries around an axis
ddbs_scale	Scale geometries by X and Y factors
ddbs_shear	Shear geometries
ddbs_shift	Shift geometries by X and Y offsets
ddbs_simplify	Simplify geometries
ddbs_stop_conn	Close a duckdb connection
ddbs_touches	Spatial touches predicate
ddbs_transform	Transform coordinate reference system of geometries
ddbs_union	Union of geometries
ddbs_within	Spatial within predicate
ddbs_within_properly	Spatial within properly predicate
ddbs_write_vector	Write an SF Object to a DuckDB Database