[GRASS-user] Re: r.in.xyz memory error

[Ken]

ooops... should read the man pages more carefully.  "percent="

Ken wrote:
> I'm using r.in.xyz to import an ascii x/y/z file with about 2 million 
> points.   While r.in.xyz is scanning data  I monitor it using "top" 
> and I can see a VIRT memory size of 863m and the RES memory climbs 
> fairly quickly up to that amount and then I get the following error:
> ERROR: G_calloc: out of memory
>
> I have 1GB physical ram on my system + 1GB swap space.   Is this 
> expected behaviour for r.in.xyz? Any suggestions for getting it to run 
> successfully within the ram constraints of my system?
>
> Or, perhaps there's a better way to do what I'm trying to do?  I have 
> a postgres table with 10 million x,y,z points (which will grow to 
> about 100m).  I want to perform queries to extract various regions of 
> points and create raster layers in grass from those points.   
> Currently I'm writing my query results to an output file and then 
> importing with r.in.xyz.   Is there a better way to do this which 
> might solve my memory issue above?
>
> Thanks!
> Ken
>
>
>
>
>