osmdata (version 0.0.1)

opq: Build an Overpass query

Description

Build an Overpass query

Usage

opq(bbox = NULL)

Arguments

bbox

Either four numeric values specifying the maximal and minimal longitudes and latitudes, or else a character string passed to getbb to be converted to a numerical bounding box.

Value

An overpass_query object

Examples

q <- getbb ("portsmouth", display_name_contains="United States") %>% opq () %>% 
        add_feature("amenity", "restaurant") %>%
        add_feature("amenity", "pub") 
osmdata_sf (q) # all objects that are restaurants AND pubs (there are none!)
q1 <- getbb ("portsmouth", display_name_contains="United States") %>% opq () %>% 
        add_feature("amenity", "restaurant") 
q2 <- getbb ("portsmouth", display_name_contains="United States") %>% opq () %>% 
        add_feature("amenity", "pub") 
c (osmdata_sf (q1), osmdata_sf (q1)) # all objects that are restaurants OR pubs

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