See utils::head for details.
# S3 method for class 'vicmap_promise'
head(x, n = 5, ...)object of class vicmap_promise (likely passed from vicmap_query())
integer; number of rows to return
Other parameters possibly used by generic
Object of class vicmap_promise, which is a 'promise' of the data that can be returned if collect() is used
head(vicmap_promise): head.vicmap_promise
# \donttest{
try(
vicmap_query(layer = "open-data-platform:hy_watercourse") %>%
head(50)
)
#> • Using collect() on this object will return 1832869
#> • features and 21 fields
#> • At most six rows of the record are printed here
#> ────────────────────────────────────────────────────────────────────────────────
#> Simple feature collection with 6 features and 20 fields
#> Geometry type: LINESTRING
#> Dimension: XY
#> Bounding box: xmin: 141.8898 ymin: -39.01699 xmax: 146.3676 ymax: -34.36471
#> Geodetic CRS: GDA94
#> # A tibble: 6 × 21
#> id ufi pfi feature_type_code name named_feature_id origin
#> <chr> <int> <int> <chr> <chr> <chr> <chr>
#> 1 hy_watercourse.1 3.63e6 9.63e6 watercourse_stre… NA NA 1
#> 2 hy_watercourse.2 3.63e6 9.63e6 watercourse_stre… NA NA 1
#> 3 hy_watercourse.3 3.63e6 9.63e6 watercourse_stre… NA NA 1
#> 4 hy_watercourse.4 2.55e6 8.55e6 watercourse_chan… NA NA 2
#> 5 hy_watercourse.5 2.55e6 8.55e6 watercourse_chan… NA NA 2
#> 6 hy_watercourse.6 2.55e6 8.55e6 watercourse_chan… NA NA 2
#> # ℹ 14 more variables: construction <chr>, usage <chr>, hierarchy <chr>,
#> # auth_org_code <chr>, auth_org_id <chr>, auth_org_verified <chr>,
#> # feature_quality_id <int>, task_id <chr>, create_date_pfi <dttm>,
#> # superceded_pfi <chr>, feature_ufi <int>, feature_create_date_ufi <dttm>,
#> # create_date_ufi <dttm>, geometry <LINESTRING [°]>
# }