[GRASS5] Re: [bug #4164] (grass) v.clean: uses 1GB RAM, 1 GB swap for a vector with only 628 boundaries

Radim Blazek radim.blazek at gmail.com
Wed Mar 22 03:25:02 EST 2006


On 3/21/06, Maciek Sieczka via RT <grass-bugs at intevation.de> wrote:
> Radim wrote:
> Sorry for late reply. I've been away for some time.
>
> Regarding the issue: indeed, v.buffer's output is not a clean buffer. I
> reproduced my orignal v.buffer command:
>
> v.buffer input=x_extr output=x_extr_buff100 type=boundary layer=1 buffer=100
> scale=1.0 tolerance=0.01 debug=clean
>
> and in spite specifying debug=clean the output is full of tiny polygons made
> of crossing circles and arcs. What's good, their topology looks allright after
> inspection in Qgis Grass digit.

Thats correct, debug means debug, if you want final output don't use debug.

Radim

> Even better, that v.buffer used very little

> memory - several times less than before; which is great! It didn't even touch
>
> swap!
>
>
>
> Summarising: the memory consumption is sane now, yippie!, but buffer is not
>
> created.
>
>
>
> Do you need my dataset for your work on this?
>
>
>
> Maciek
>
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