RBBGCMuso/RBBGCMuso/R/soilQuery.R
2020-09-29 15:39:26 +02:00

74 lines
2.9 KiB
R

#' getSoilDataFull
#'
#' This function collects soil data from a given restapi, de default is soilGrid
#'
#' @author Roland HOLLÓS
#' @name getSoilDataFull
#' @importFrom glue glue
#' @importFrom httr config with_config GET content
getSoilDataFull <- function(lat, lon, apiURL) {
if(missing(apiURL)){
apiURL <- "https://81.169.232.36"
}
apiString <- glue("{apiURL}/query?lon={lon}&lat={lat}")
soilREST <- #with_config(config(ssl_verifypeer=0L, ssl_verifyhost=0L),
GET(apiString) # ) # This is temporary solution ssl_verification wont bypass
content(soilREST)
}
#' createSoilFile
#'
#' This function collects soil data from a given restapi, de default is soilGrid
#'
#' @author Roland HOLLOS
#' @name createSoilFile
#' @importFrom glue glue
#' @importFrom stats approx
#' @importFrom magrittr '%>%'
#' @export
createSoilFile <- function(lat,lon,
outputFile="recent.soi",
method="constant",apiURL,
template=system.file("examples/hhs/hhs.soi",package="RBBGCMuso")) {
if(missing(apiURL)){
apiURL <- "https://rest.soilgrids.org/soilgrids/v2.0/properties"
}
outFile <- suppressWarnings(readLines(template))
outFile[1] <- sprintf("SOILPROP FILE - lat: %s, lon: %s, created in: %s",lat,lon,date())
musoCenters <- c(1.5,6.5,20.0,45.0,75.0,105.0,135.0,175.0,300.0,700.0)
# soilGridDepths <- c(0,5,15,30,60,100,200)
soilGridDepths <- c(2.5, 10, 22.5, 45, 80, 150)
Reduce(function(x,y){(y-x)/2+x},soilGridDepths,accumulate=TRUE)
rest<- getSoilDataFull(lat,lon, apiURL)
createMusoLayers <- function(values,depths=soilGridDepths,centers=musoCenters,intMethod=method){
approx(x=depths,y=values, xout = centers, method=intMethod,rule=2)$y %>%
paste(.,collapse="\t") %>% paste0(.," ")
}
soilDepth <- tryCatch(getMeanSoil(rest,"bdod")/100,error=function(e){stop("There is no data for the given coordinates")})
outFile[55] <- sprintf("%s (%%) percentage of sand by volume in rock free soil",
paste(createMusoLayers(getMeanSoil(rest,"sand")/10), collapse="\t"))
outFile[56] <- sprintf("%s (%%) percentage of silt by volume in rock free soil",
paste(createMusoLayers(getMeanSoil(rest,"silt")/10), collapse="\t"))
outFile[57] <- sprintf("%s (dimless) soil PH",
paste(createMusoLayers(getMeanSoil(rest,"phh2o")/10), collapse="\t"))
# outFile[58] <- sprintf("%s (%%) bulk density",paste(createMusoLayers(soilDepth),collapse="\t"))
writeLines(outFile,outputFile)
}
# createSoilFile(60,50)
getMeanSoil <- function(rest, name){
sapply(
rest$properties$layers[sapply(rest$properties$layers,function(x){
x$name == name
})][[1]]$depths,
function(s){
s$values$mean
}
)
}