Package index • geoarrowrs

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ga_signed_area() ga_unsigned_area(): Signed and unsigned planar area
ga_signed_area_cd() ga_unsigned_area_cd(): Chamberlain-Duquette spherical area
ga_signed_area_geodesic() ga_unsigned_area_geodesic() ga_perimeter_geodesic(): Geodesic area and perimeter

ga_dist_euclidean_pairwise() ga_dist_haversine_pairwise() ga_dist_geodesic_pairwise() ga_dist_rhumb_pairwise(): Compute pairwise distances between points
ga_cross_distance(): Distance from every row of x to every row of y
ga_dist_frechet_pairwise(): Pairwise Frechet distance
ga_dist_hausdorff_pairwise(): Pairwise Hausdorff distance
ga_dist_vincenty_pairwise(): Pairwise Vincenty distance

ga_length_euclidean() ga_length_haversine() ga_length_geodesic() ga_length_rhumb() ga_length_vincenty(): Compute the length of linestrings
ga_bearing_euclidean() ga_bearing_haversine() ga_bearing_geodesic() ga_bearing_rhumb(): Compute the bearing between pairs of points
ga_dest_rhumb() ga_dest_euclidean() ga_dest_haversine() ga_dest_geodesic(): Destination from origin, bearing, distance

KDTree: A k-d tree over a point array
RTree: A spatial index over a geometry array
ga_envelope(): Compute the bounding box of geometries
ga_knn_join(): Join two data frames on nearest neighbours
ga_set_thread_pool(): Set the thread cap, from options(geoarrowrs.thread_pool = )
ga_sparse_dwithin(): Find which rows of y lie within a distance of each row of x
ga_sparse_knn(): Find the rows of y nearest each row of x

ga_coordinate_position(): Locate a point relative to a geometry
ga_dimension() ga_boundary_dimension(): Determine the topological dimension of geometries
ga_filter(): Keep the rows of a data frame that relate to another spatially
ga_is_empty(): Test whether geometries are empty
ga_join(): Join two data frames on a spatial relationship
ga_relate(): DE-9IM relationship between geometries
ga_sparse_pairs(): Expand a sparse predicate into the row pairs a join needs
ga_sparse_intersects() ga_sparse_contains() ga_sparse_contains_properly() ga_sparse_within() ga_sparse_covers() ga_sparse_covered_by() ga_sparse_touches() ga_sparse_crosses() ga_sparse_overlaps() ga_sparse_equals_topo(): Find which rows of y relate to each row of x
ga_contains() ga_contains_properly() ga_within() ga_covers() ga_covered_by() ga_intersects() ga_disjoint() ga_touches() ga_crosses() ga_overlaps() ga_equals_topo(): Test a topological relationship
ga_line_intersection(): Intersect pairs of two point lines
ga_self_intersections(): Find where a geometry crosses itself

ga_closest_point() ga_closest_point_haversine(): Closest point on a geometry
ga_interior_point(): Compute a representative point inside a geometry
ga_is_convex(): Test whether a ring is convex
ga_line_locate_point(): Locate a point along a line

ga_boolean_intersection() ga_boolean_union() ga_boolean_difference() ga_boolean_xor(): Combine two polygon arrays with a set operation
ga_unary_union(): Dissolve an entire array of polygons into one

ga_affine_transform(): Apply an arbitrary affine transform
ga_rotate_around_center(): Rotate around the bounding box center
ga_rotate_around_centroid(): Rotate geometries around their centroid
ga_scale_xy(): Scale geometries in x and y
ga_skew(): Skew geometries uniformly about their centroid
ga_skew_xy(): Skew geometries in x and y
ga_translate(): Translate geometries along the x and y axes
ga_simplify(): Simplify with Ramer-Douglas-Peucker
ga_simplify_idx() ga_simplify_vw_idx(): Find which coordinates simplification would keep
ga_simplify_vw() ga_simplify_vw_preserve(): Simplify with Visvalingam-Whyatt
ga_to_degrees(): Convert coordinates from radians to degrees
ga_to_radians(): Convert coordinates from degrees to radians

ga_interpolate_point(): Interpolate a point along a linestring
ga_points_along_line(): Points at regular intervals along a line
ga_point_at_distance_between() ga_point_at_ratio_between(): Interpolate a point between two points
ga_densify(): Add points so no segment exceeds a length

ga_coords() ga_exterior_coords(): Collect a geometry's coordinates as points
ga_lines(): Split geometries into their line segments
ga_n_coords(): Count the coordinates in each geometry
ga_x() ga_y(): Read the x or y of a point
ga_is_valid() ga_validation_error(): Test whether geometries are well formed

ga_as_point() ga_as_linestring() ga_as_polygon() ga_as_multipoint() ga_as_multilinestring() ga_as_multipolygon(): Cast to one GeoArrow geometry type
ga_cast_geometry(): Cast geometries to another GeoArrow geometry type
ga_downcast_geometry(): Cast to the narrowest geometry type
ga_explode(): Split multi-part geometries into their parts
ga_flatten(): Collapse a list of geometries into a single array
ga_from_wkb(): Read well known binary as a GeoArrow array

ga_buffer(): Buffer geometries by a given distance
ga_centroid(): Compute the centroid of geometries
ga_chaikin_smoothing(): Smooth geometries using the Chaikin algorithm
ga_line_segmentize() ga_line_segmentize_haversine(): Split linestrings into equal segments
ga_remove_repeated_points(): Remove repeated consecutive points from geometries
register_geoarrow_udfs(): Register geoarrowrs functions with Arrow