I’d like to save a “names” attribute in a GeoTIFF using r.out.gdal in GRASS GIS so that when the file is opened other software, the “name” is included. For example, in GRASS I can do:

r.out.gdal input=myraster output=C:/!scratch/myraster.tif createopt=PROFILE=GeoTIFF,COMPRESS=LZW,PREDICTOR=2, type=UInt16, -c -overwrite

When I “source” the file in, say, terra (in R), I get:

library(terra)
rast('C:/!scratch/myraster.tif')

class       : SpatRaster 
dimensions  : 1024, 626, 1  (nrow, ncol, nlyr)
resolution  : 59.85157, 59.85157  (x, y)
extent      : 731581.6, 769048.6, 1024437, 1085725  (xmin, xmax, ymin, ymax)
coord. ref. : Tananarive (Paris) / Laborde Grid 
source      : elev.tif 
name        : myraster 

Note the last attribute, “name”, is the name of the file in GRASS, which can only be changed by renaming the file in GRASS.

I have tried messing with createopt and metaopt, as in for example, metaopt=TIFFTAG_IMAGEDESCRIPTION=Test, but this fails (and produces a file that is not a valid raster).

How can I set this value using r.out.gdal?