Skip to content
Back to formatted view

Raw Message

Message-ID: <dbf689a4-b301-4aeb-9ba4-71ca1a36b95e@gmail.com>
Date: 2023-10-09T20:08:43Z
From: Duncan Murdoch
Subject: [R-pkg-devel] Error: [writeRaster] cannot write file
In-Reply-To: <SJ0PR22MB2448CB5ADC64FF3B1C14B977B6CEA@SJ0PR22MB2448.namprd22.prod.outlook.com>

What were you using as "outdir"?


On 09/10/2023 2:59 p.m., Keshav, Krishna wrote:
> Hi,
> 
> I am developing an R package where I need to save Raster file with .tif extension to the tempdir(). I am using terra::writeRaster for the same. While it works through R CMD check in mac, it is failing in R hub builder.
> Snippet ?V
> .saverast <- function(typ, rast, outdir) {
> 
>    if (is.null(outdir) || length(outdir) == 0) {
>      outdir <- tempdir()
>    }
> 
>    # Save the plot as a raster file
>    fp <- file.path(outdir, paste("plots", "/",
>                                  typ, "_",
>                                  stringr::str_replace_all(Sys.time(), "[^a-zA-Z0-9]", ""),
>                                  ".tif", sep = ""))
>      # Create the "plots" directory if it doesn't exist
>    if (!dir.exists(fp)) {
>      dir.create(fp, recursive = TRUE)
>    }
> 
>    terra::writeRaster(rast, overwrite = TRUE,
>                       filename = fp,
>                       gdal = c("COMPRESS=NONE"))
>    message(paste("raster created", fp, sep = ": "), "\n")
> }
> 
> Error ?V
> 
>    Error: [writeRaster] cannot write file
>     12.         ?|?wgeohabnet:::.saverast(typ, rast, outdir)
>     13.           ?u?wterra::writeRaster(rast, overwrite = TRUE, filename = fp, gdal = c("COMPRESS=NONE"))
>     14.           ?|?wterra::writeRaster(rast, overwrite = TRUE, filename = fp, gdal = c("COMPRESS=NONE"))
>     15.             ?|?wterra (local) .local(x, filename, ...)
>     16.               ?|?wterra:::messages(x, "writeRaster")
>     17.                 ?|?wterra:::error(f, x at pnt$getError())
> 
> 
> 
> Best Regards,
> Krishna Keshav
> 
> 	[[alternative HTML version deleted]]
> 
> 
> ______________________________________________
> R-package-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-package-devel