hm_get: Extract the slot

In hydrotoolbox: Hydrological Tools for Handling Hydro-Meteorological Data Records

Extract the slot

Description

Get the table (or metadata) that you want from an hydromet or hydromet_XXX class.

Usage

hm_get(obj, slot_name = NA_character_)

## S4 method for signature 'hydromet'
hm_get(obj, slot_name = NA_character_)

## S4 method for signature 'hydromet_station'
hm_get(obj, slot_name = NA_character_)

## S4 method for signature 'hydromet_compact'
hm_get(obj, slot_name = NA_character_)

Arguments

obj	an hydromet or hydromet_XXX class object.
slot_name	string with slot to extract.

Value

The required data frame or metadata.

Functions

• hm_get(hydromet): get method for generic hydromet object

• hm_get(hydromet_station): get method for station class

• hm_get(hydromet_compact): get method for compact class

Examples

## Not run: 
# set path to file
path_file <- system.file('extdata', 'ianigla_cuevas.csv',
             package = 'hydrotoolbox')

# read file
cuevas <-
     read_ianigla(path = path_file,
                  out_name = c('tair(°C)', 'rh(%)', 'patm(mbar)',
                             'p(mm)', 'wspd(km/hr)', 'wdir(°)',
                              'kin(kW/m2)', 'hsnow(cm)', 'tsoil(°C)' ) )

# create and set one the variables
hm_cuevas <-
 hm_create() %>%
 hm_set(tair = cuevas[ , c('date', 'tair(°C)')],
        rh = cuevas[ , c("date", 'rh(%)')])


# now extract the slot of air temperature
head( hm_get(obj = hm_cuevas, slot_name = 'tair') )

# extract multiple data
out_list <- list()
for(i in c("tair", "rh")){
 out_list[[ i ]] <-
   hm_cuevas %>%
   hm_get(slot_name = i)
 }


## End(Not run)

hydrotoolbox documentation built on April 14, 2023, 12:34 a.m.