spec.env: Soil.spec package specific environmental variables

In soil.spec: Soil Spectroscopy Tools and Reference Models

Description

Generates internal environment / package specific parameters and settings that can be later on passed to other functions.

Usage

spec.env(MIR = c(390, 7500), NIRS = c(3900, 12500), 
   NIRP = c(4000,10000), VISNIR1 = c(420, 960), 
   VISNIR2 = c(1020, 1770), 
   VISNIR3 = c(1830, 2480),
   icraf.htsxt = c(3578, 7497.964, 599.76), 
   icraf.alpha = c(2542, 3998.12872, 399.387991), 
   icraf.mpa = c(2307, 12493.2, 3598.69),  
   CO2.band = c(2350.8,2379.8), signif.digit = 5, 
   attributes = c("ORCCNS", "PHIHOX", "ALUM3S", 
   "ECAM3S", "EXKM3S", "EMGM3S", "ENAM3S", "EXB", 
   "NITCNS", "SNDLDF"), 
   mdnames = c("MID", "Instrument_name", "Instrument_URL", 
   "Laboratory_name", "Laboratory_contact", "Laboratory_URL",
   "Material_class", "Wavenumber_conversion", "Wavenlength_unit",
   "Location_error"), show.env = FALSE)

Arguments

MIR	"numeric", mid-infrared part of spectra
NIRS	"numeric", near infrared part of spectra
NIRP	"numeric", near infrared part of spectra
VISNIR1	"numeric", visible near infrared part of spectra
VISNIR2	"numeric", visible near infrared part of spectra
VISNIR3	"numeric", visible near infrared part of spectra
icraf.htsxt	"numeric", ICRAF MIR part of spectra
icraf.alpha	"numeric", ICRAF alpha-MIR part of spectra
icraf.mpa	"numeric", ICRAF VISNIR part of spectra
CO2.band	"numeric", wavenumbers for the CO2 band
signif.digit	"integer", default rounding system for absorbances
attributes	"character", standard target variables of interest: "ORCCNS" (Organic carbon content in soil estimated using the CNS elemental analyzer), "PHIHOX" (soil pH measured in water), "ALUM3S" (Aluminium concentration estimated using the Mehlich 3 solution), "ECAM3S" (exchangeable Calcium determined using using the Mehlich 3 solution), "EXKM3S" (exchangeable Potassium determined using using the Mehlich 3 solution), "EMGM3S" (exchangeable Magnesium determined using using the Mehlich 3 solution), "ENAM3S" (exchangeable Sodium determined using using the Mehlich 3 solution), "EXB" (sum of exchangeable bases), "NITCNS" (total nitrogen estimated using estimated using the CNS elemental analyzer), "SNDLDF" (weight percentage of particles 50-2 mm size determined using the laser diffraction method)
mdnames	"character", standard metadata names
show.env	"logical", specifies whether the output environment should be printed

Author(s)

Andrew Sila and Tomislav Hengl

Examples

# environmental variables:
spec.env()
get("mdnames", envir = spec.opts)
get("attributes", envir = spec.opts)

Example output

soil.spec version 2.1.4 (2014-12-17)
URL: http://worldagroforestry.org
 [1] "MID"                   "Instrument_name"       "Instrument_URL"       
 [4] "Laboratory_name"       "Laboratory_contact"    "Laboratory_URL"       
 [7] "Material_class"        "Wavenumber_conversion" "Wavenlength_unit"     
[10] "Location_error"       
 [1] "ORCCNS" "PHIHOX" "ALUM3S" "ECAM3S" "EXKM3S" "EMGM3S" "ENAM3S" "EXB"   
 [9] "NITCNS" "SNDLDF"

soil.spec documentation built on May 2, 2019, 6:08 p.m.