Function reference • osbng

BNG Reference Objects

Functions that create and access BNGReference objects.

as_bng_reference() is_bng_reference(): Create BNG reference objects

`[`(<BNGReference>) `[[`(<BNGReference>) `[<-`(<BNGReference>) `[[<-`(<BNGReference>) c(<BNGReference>) unique(<BNGReference>) as.data.frame(<BNGReference>): BNG Reference objects

print(<BNGReference>) format(<BNGReference>): Printing BNG References

Indexing

Functions that index and work with coordinates and geometries against the BNG index system.

bng_to_xy() xy_to_bng(): Convert BNG References

bbox_to_bng() bng_to_bbox() bng_to_grid_geom(): Convert bounding boxes

geom_to_bng() geom_to_bng_intersection(): Spatial index for geometries

geom_to_bng_intersection_explode(): Spatial data frame for indexed geometries

Hierarchy

Functions that navigate the hierarchical structure of the BNG index system.

bng_to_children() bng_to_parent(): Navigate the British National Grid hierarchy

Traversal

Functions for traversing and calculating distances within the BNG index system.

bng_kring() bng_kdisc(): Spatial neighbourhoods in the British National Grid index system

bng_neighbours() bng_is_neighbour(): Identify neighbouring grid squares

bng_dwithin() bng_distance(): Distance calculations

Grids

Functions to generate BNG grid square data within specified bounds.

bng_grid_100km() bng_grid_50km() bng_grid_10km() bng_grid_5km() bng_grid_1km(): Map BNG References to Spatial Objects

Utilities

is_valid_bng() is_valid_bng_resolution(): Check validity of a BNG Reference

get_bng_resolution() get_bng_resolution_string() list_bng_resolution(): BNG reference resolution

list_bng_prefixes() list_bng_bounds(): List the components of the British National Grid

Regions: Region Boundaries for London