[GRASS-user] v.in.ascii with large files

[Hamish]

Seb wrote:
> I see that 'v.in.ascii -help' says that we should try using the -t or
> the -r flag if the data to import is too large to avoid memory
> problems.  I have a pretty large bathymetry (GEBCO) data to import of
> ~220 Mb, so I tried the -t flag first, and after a few minutes
> v.in.ascii is using huge amounts of memory, blocking the system
> anyway.  I haven't tried using the -r flag to import only a subset,
> which would mean import the whole file in several calls and merge the
> maps afterwards.  Before I try that, I wanted to ask what other users
> are doing in these cases.  Thanks in advance for any suggestions.

Use r.in.xyz

the vector engine has problems trying to maintain topology for more than
1-3 million features.


Hamish