Commit b34b5d06 authored by Delaigue Olivier's avatar Delaigue Olivier
Browse files

v1.2.2.0 NEW: add TransfoParam_CemaNeigeHyst fun to use hysteresis in CemaNeige #5252

parent eb2c2a4b
Package: airGR
Type: Package
Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
Version: 1.2.1.1
Date: 2019-01-30
Version: 1.2.2.0
Date: 2019-02-15
Authors@R: c(
person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
person("Charles", "Perrin", role = c("aut", "ths"), comment = c(ORCID = "0000-0001-8552-1881")),
......
......@@ -13,7 +13,7 @@ output:
### 1.2.1.1 Release Notes (2019-01-30)
### 1.2.2.0 Release Notes (2019-01-30)
......
TransfoParam_CemaNeigeHyst <- function(ParamIn, Direction) {
NParam <- 4L
## check_arguments
Bool <- is.vector(ParamIn)
if (Bool) {
ParamIn <- matrix(ParamIn, nrow = 1)
warning("'ParamIn' automatically convert to 'matrix'")
}
if (!inherits(ParamIn, "matrix")) {
stop("'ParamIn' must be of class 'matrix'")
}
if (!inherits(Direction, "character") | length(Direction) != 1 | any(!Direction %in% c("RT", "TR"))) {
stop("'Direction' must be a character vector of length 1 equal to 'RT' or 'TR'")
}
if (ncol(ParamIn) != NParam) {
stop(sprintf( "the CemaNeige module with hysteresis requires %i parameters", NParam))
}
if (Direction == "TR") {
ParamOut <- ParamIn
ParamOut[, 1] <- (ParamIn[, 1] + 9.99) / 19.98 ### CemaNeige X1 (weighting coefficient for snow pack thermal state)
ParamOut[, 2] <- exp(ParamIn[, 2]) / 200 ### CemaNeige X2 (degree-day melt coefficient)
ParamOut[, 3] <- (ParamIn[, 3] * 5) + 50 ### Hyst Gaccum
ParamOut[, 4] <- (ParamIn[, 4] / 19.98) + 0.5 ### Hyst CV
}
if (Direction == "RT") {
ParamOut <- ParamIn
ParamOut[, 1] <- ParamIn[, 1] * 19.98 - 9.99 ### CemaNeige X1 (weighting coefficient for snow pack thermal state)
ParamOut[, 2] <- log(ParamIn[, 2] * 200) ### CemaNeige X2 (degree-day melt coefficient)
ParamOut[, 3] <- (ParamIn[, 3] - 50) / 5 ### Hyst Gaccum
ParamOut[, 4] <- (ParamIn[, 4] - 0.5) * 19.98 ### Hyst CV
}
if (Bool) {
ParamOut <- as.vector(ParamOut)
}
return(ParamOut)
}
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