npn_get_point_data: Get Point Data Value

In rnpn: Interface to the National 'Phenology' Network 'API'

Get Point Data Value

Description

This function can get point data about any of the NPN geospatial layers.

Usage

npn_get_point_data(layer, lat, long, date, store_data = TRUE)

Arguments

layer	The coverage id (machine name) of the layer for which to retrieve. Applicable values can be found via the npn_get_layer_details() function under the name column.
lat	The latitude of the point.
long	The longitude of the point.
date	The date for which to get a value.
store_data	Boolean value. If set TRUE then the value retrieved will be stored in a global variable named point_values for later use.

Details

Please note that this function pulls this from the NPN's WCS service so the data may not be totally precise. If you need precise AGDD values try using the npn_get_agdd_point_data() function.

Value

Returns a numeric value for any NPN geospatial data layer at the specified lat/long/date. If no value can be retrieved, then -9999 is returned.

Examples

## Not run: 
value <-
  npn_get_point_data(
    layer = "gdd:agdd",
    lat = 38.8,
    long = -110.5,
    date = "2022-05-05"
  )

## End(Not run)

rnpn documentation built on April 3, 2025, 5:54 p.m.