[GRASSLIST:6680] v.in.ascii and large files

Jose Gomez-Dans jgomezdans at gmail.com
Fri Apr 29 08:53:58 EDT 2005


On 4/29/05, Jose Gomez-Dans <jgomezdans at gmail.com> wrote:

> OK, I tried the CVS version
> (grass6.1.cvs-i686-pc-linux-gnu-23_04_2005), and importing the data
> works up to around 3580000 points. At that point, memory usage is very
> high, the mouse cursos is not responsive, and the system freezes with
> significant disk activity (swapping). Eventually, the process is
> killed by the kernel. I run this version on an AMD Sempron processor
> with LInux kernel 2.6.10. The command line I entered was
> v.in.ascii -zt input=<input> output=<output> x=1 y=2 z=3
> 
> A sample input line:
> -2714620.000000|  1477320.000000|       13.290000
> 
> Note that I did not test the dbf driver (yet). i will do so shortly
> and report back on that.

Taking away the t option (i.e., using the dbf driver) results in the
process being killed after around 3.6M samples have been read in, so
not much change here.
Jose




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