[GRASS-user] grass-user Digest, Vol 140, Issue 28

[Shane Carey]

Super, thanks

On Mon, Dec 18, 2017 at 8:00 PM, <grass-user-request at lists.osgeo.org> wrote:

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> Today's Topics:
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>    1. Re: Contours (Rich Shepard)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 18 Dec 2017 09:38:16 -0800 (PST)
> From: Rich Shepard <rshepard at appl-ecosys.com>
> To: grass-user grass-user <grass-user at lists.osgeo.org>
> Subject: Re: [GRASS-user] Contours
> Message-ID:
>         <alpine.LNX.2.20.1712180935300.32060 at salmo.appl-ecosys.com>
> Content-Type: text/plain; charset=US-ASCII; format=flowed
>
> On Mon, 18 Dec 2017, Shane Carey wrote:
>
> > I have a large DTM (5m cell size) and it covers an area of 100,000km2. I
> > need to create contours every 10meters in the dataset. If I tile the
> > dataset and contour each tile, the data, the contours act funny at the
> > edges, hence the need to process the area as one area. Is grass capable
> of
> > doing this?
>
> Shane,
>
>    Yes. As long as you have sufficient memory and drive space. You can
> always
> set the environment variable in ~/.bash_profile:
>
> export=GRASS_VECTOR_LOWMEM=1
>
> which will use available memory and not crash, while running more slowly.
>
>    If I'm wrong I'm sure we'll both read about it. :-)
>
> HTH,
>
> Rich
>
>
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> ------------------------------
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> End of grass-user Digest, Vol 140, Issue 28
> *******************************************
>



-- 
Le gach dea ghui,
*Shane Carey*
*GIS and Data Solutions Consultant*
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