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Possible values of variables (attributes) in a dataset (layer) from a data source (service).

Source: R/layer_attributes.R
layer_attributes_tbl.Rd

Get layer attribute values tibble

Usage

layer_attributes_tbl(wfs = NULL, service = NULL, service_version = NULL, layer)

Arguments

wfs

A WFSClient R6 object with methods for interfacing an OGC Web Feature Service. From emodnet_init_wfs_client().

service

the EMODnet OGC WFS service name. For available services, see emodnet_wfs().

service_version

[Deprecated] the WFS service version. Now always "2.0.0".

layer

character sting of layer name. To get info on layers, including layer_name use emodnet_get_wfs_info().

Value

tibble of layer attribute (variable) values with geometry column removed.

Details

Request excluding spatial information can be significantly faster. Can be useful for inspecting attribute values and constructing feature filters for more targeted and faster layer download.

See also

Attributes metadata: layer_attribute_descriptions(), layer_attribute_inspect(), layer_attributes_get_names(), layer_attributes_summarise()

Examples

layer_attributes_tbl(service = "biology", layer = "mediseh_zostera_m_pnt")
#> ✔ WFS client created successfully
#> ℹ Service: "https://geo.vliz.be/geoserver/Emodnetbio/wfs"
#> ℹ Version: "2.0.0"
#> # A tibble: 54 × 3
#>    gml_id                      id country
#>    <chr>                    <int> <chr>  
#>  1 mediseh_zostera_m_pnt.1      0 Spagna 
#>  2 mediseh_zostera_m_pnt.2      0 Spagna 
#>  3 mediseh_zostera_m_pnt.3      0 Spagna 
#>  4 mediseh_zostera_m_pnt.4      0 Spagna 
#>  5 mediseh_zostera_m_pnt.5      0 Spagna 
#>  6 mediseh_zostera_m_pnt.6      0 Spagna 
#>  7 mediseh_zostera_m_pnt.7      0 Spagna 
#>  8 mediseh_zostera_m_pnt.8      0 Francia
#>  9 mediseh_zostera_m_pnt.9      0 Italia 
#> 10 mediseh_zostera_m_pnt.10     0 Italia 
#> # ℹ 44 more rows