Helper to write ecql filter. Retrieve all attributes from a layer.
Arguments
- apikey
character
; API key fromget_apikeys()
or directly from IGN website- layer
character
; name of the layer fromget_layers_metadata(apikey, "wfs")
or directly from IGN website- interactive
character
; if TRUE, no need to specifyapikey
andlayer
, you'll be ask.