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Get URLs of EnviroMapper reports

Source: R/URL_FUNCTIONS_part2.R
url_enviromapper.Rd

Get URL(s) for EnviroMapper web-based tool, to open map at specified point location(s)

Usage

url_enviromapper(
  sitepoints = NULL,
  lon = NULL,
  lat = NULL,
  shapefile = NULL,
  fips = NULL,
  zoom = 13,
  as_html = FALSE,
  linktext = "EnviroMapper",
  ifna = "https://geopub.epa.gov/myem/efmap/",
  baseurl = "https://geopub.epa.gov/myem/efmap/index.html?ve=",
  ...
)

Arguments

sitepoints

data.frame with colnames lat, lon (or lat, lon parameters can be provided separately)

lat, lon

ignored if sitepoints provided, can be used otherwise, if shapefile and fips not used

shapefile

if provided function uses centroids of polygons for lat lon

fips

ignored

zoom

initial map zoom extent

as_html

Whether to return as just the urls or as html hyperlinks to use in a DT::datatable() for example

linktext

used as text for hyperlinks, if supplied and as_html=TRUE

ifna

URL shown for missing, NA, NULL, bad input values

baseurl

do not change unless endpoint actually changed

...

unused

Value

URL of one webpage (that launches the mapping tool)

Details

EnviroMapper lets you view EPA-regulated facilities and other information on a map, given the lat,lon

See also

url_ejamapi() url_ejscreenmap() url_echo_facility() url_frs_facility() url_enviromapper()

Examples

x = url_enviromapper(testpoints_10[1,])
if (FALSE) { # \dontrun{
 browseURL(x)
 browseURL(url_enviromapper(lat = 38.895237, lon = -77.029145, zoom = 17))
} # }