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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"
#> Warning: GDAL Error 1: Failed to connect to geo.vliz.be port 443 after 132479 ms: Couldn't connect to server
#> # A tibble: 54 × 5
#>    gml_id                   lowerCorner             upperCorner       id country
#>    <chr>                    <chr>                   <chr>          <int> <chr>  
#>  1 mediseh_zostera_m_pnt.1  36.71681202 -2.61314012 36.71681202 -…     0 Spagna 
#>  2 mediseh_zostera_m_pnt.2  36.75127341 -3.84659777 36.75127341 -…     0 Spagna 
#>  3 mediseh_zostera_m_pnt.3  36.72266395 -3.95778451 36.72266395 -…     0 Spagna 
#>  4 mediseh_zostera_m_pnt.4  36.7421704 -4.03971159  36.7421704 -4…     0 Spagna 
#>  5 mediseh_zostera_m_pnt.5  36.72331417 -4.10018157 36.72331417 -…     0 Spagna 
#>  6 mediseh_zostera_m_pnt.6  36.71226051 -4.16715371 36.71226051 -…     0 Spagna 
#>  7 mediseh_zostera_m_pnt.7  37.55796458 -1.26836614 37.55796458 -…     0 Spagna 
#>  8 mediseh_zostera_m_pnt.8  43.37637195 4.84863998  43.37637195 4…     0 Francia
#>  9 mediseh_zostera_m_pnt.9  45.7001701 13.71830758  45.7001701 13…     0 Italia 
#> 10 mediseh_zostera_m_pnt.10 45.72451062 13.16377754 45.72451062 1…     0 Italia 
#> # ℹ 44 more rows