Dear All,
Thanks for all the help on this matter. Sorry for the late reply (fieldwork
and vacation got in the way...)!
I ended up solving the problem by (1) filling the ocean nulls, (2)
splitting the region into subregions, and (3) running it on a more powerful
machine.
Best,
Nick
On Fri, Dec 2
Dear Nick,
I am working on SRTM rasters of resolution 1km, 500m, 250m and recently 90m
using GRASS for long and had countered the problem being faced by you.
My workaround is given below and as a by-product you may get a very nice
coastline vector/raster also.
1. I have converted all the nulls
