userEnvs_UI <- function(id) {
ns <- NS(id)
tagList(
fileInput(ns("userEnvs"), label = "Input rasters", multiple = TRUE)
)
}
userEnvs_MOD <- function(input, output, session, rvs) {
reactive({
if (is.null(rvs$occs)) {
rvs %>% writeLog(type = 'error', "Before obtaining environmental variables,
obtain occurrence data in component 1.")
return()
}
if (is.null(input$userEnvs)) {
rvs %>% writeLog(type = 'error', "Raster files not uploaded.")
return()
}
# record for RMD
rvs$userEnvs <- input$userEnvs
withProgress(message = "Reading in rasters...", {
uenvs <- raster::stack(input$userEnvs$datapath)
names(uenvs) <- fileNameNoExt(input$userEnvs$name)
})
rvs %>% writeLog("Environmental predictors: User input.")
if (is.na(raster::crs(uenvs))) {
rvs %>% writeLog(type = "warning", "Input rasters have undefined coordinate
reference system (CRS). Mapping functionality in components
Visualize Model Results and Project Model will not work. If
you wish to map rasters in these components, please define
their projections and upload again. See guidance text in
this module for more details.")
}
return(uenvs)
})
}
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