Nothing
xdpm_wrapper <- function(op, var, infile, outfile, nc34,
overwrite, verbose, nc = NULL) {
check_variable(var)
if (is.null(nc)) check_infile(infile)
check_outfile(outfile)
outfile <- correct_filename(outfile)
check_overwrite(outfile, overwrite)
check_nc_version(nc34)
calc_time_start <- Sys.time()
# get information about dimensions and attributes
file_data <- read_file(infile, var, nc = nc)
file_data$variable$prec <- "float"
# extract time information
date_time <- get_date_time(file_data$dimension_data$t, file_data$time_info$units)
mon <- date_time$months
years <- date_time$years
result <- array(file_data$variable$attributes$missing_value,
dim = c(length(file_data$dimension_data$x),
length(file_data$dimension_data$y),
1))
time_bnds <- array(NA, dim = c(2, 1))
vars_data <- list(result = result, time_bounds = time_bnds)
# create netcdf
nc_format <- get_nc_version(nc34)
cmsaf_info <- switch(op,
"div" = {"cmsafops::divdpm"},
"mul" = {"cmsafops::muldpm"}
)
cmsaf_info <- paste0(cmsaf_info, " for variable ", file_data$variable$name)
# prepare global attributes
global_att_list <- names(file_data$global_att)
global_att_list <- global_att_list[toupper(global_att_list) %in% toupper(GLOBAL_ATT_DEFAULT)]
global_attributes <- file_data$global_att[global_att_list]
dims <- define_dims(file_data$grid$is_regular,
file_data$dimension_data$x,
file_data$dimension_data$y,
0,
NB2,
file_data$time_info$units,
with_time_bnds = file_data$time_info$has_time_bnds
)
vars <- define_vars(file_data$variable, dims, nc_format$compression,
with_time_bnds = file_data$time_info$has_time_bnds)
write_output_file(
outfile,
nc_format$force_v4,
vars,
vars_data,
file_data$variable$name,
file_data$grid$vars, file_data$grid$vars_data,
cmsaf_info,
file_data$time_info$calendar,
file_data$variable$attributes,
global_attributes,
with_time_bnds = file_data$time_info$has_time_bnds
)
# divide each timestep by number of days per month
if (file_data$time_info$has_time_bnds) {
time_bnds <- get_time_bounds_from_file(infile, nc = nc)
}
if (!is.null(nc)) nc_in <- nc
else nc_in <- nc_open(infile)
nc_out <- nc_open(outfile, write = TRUE)
count <- 1
for (i in seq_len(length(file_data$dimension_data$t))) {
dpm <- (switch(mon[i],
"01" = 31,
"02" = 28 + is_leap_year(years[i]),
"03" = 31,
"04" = 30,
"05" = 31,
"06" = 30,
"07" = 31,
"08" = 31,
"09" = 30,
"10" = 31,
"11" = 30,
"12" = 31))
dum_dat <- ncvar_get(nc_in, file_data$variable$name, start = c(1, 1, i),
count = c(-1, -1, 1))
switch(op,
"mul" = {dum_dat <- dum_dat * dpm},
"div" = {
if (dpm != 0) {
dum_dat <- dum_dat / dpm
}
}
)
dum_dat[is.na(dum_dat)] <- file_data$variable$attributes$missing_value
ncvar_put(nc_out, vars[[1]], dum_dat, start = c(1, 1, count),
count = c(-1, -1, 1))
ncvar_put(nc_out, dims$t, file_data$dimension_data$t[i], start = count,
count = 1)
if (file_data$time_info$has_time_bnds) {
ncvar_put(nc_out, vars[[2]], time_bnds[, i], start = c(1, count),
count = c(-1, 1))
}
count <- count + 1
}
if (is.null(nc)) nc_close(nc_in)
nc_close(nc_out)
calc_time_end <- Sys.time()
if (verbose) message(get_processing_time_string(calc_time_start, calc_time_end))
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.