[GRASS-user] Memory issues

Rich Shepard rshepard at appl-ecosys.com
Mon Jul 16 15:28:39 PDT 2018


On Tue, 17 Jul 2018, Micha Silver wrote:

> A single contour line could possibly begin at one side of the raster, and
> end at the other side. So, without knowing any better, I would guess that
> the whole raster needs to be kept in memory.

Micha,

   This makes sense.

>>         This suggests that the solution is to create a mask and generate the
>>       contours only within that area.

> or create a lower resolution version of the DEM, if you can live with the
> reduced accuracy.

   The area is small enough that I need the highest available resolution (45
cm horizontal, IIRC) for hydrological modeling.

Thanks,

Rich




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