[GRASSLIST:377] Re: SRTM coastline sharpening

[William Kyngesburye]

I don't know what to do about the GSHHS coastlines off the top of my  
head, but if you use the version 2 SRTM, that's all taken care of.   
It's had all ocean areas identified and flat-filled with 0 elevation,  
and many lakes have also been identified and flat-filled with the  
lake elevation.  No more noise in the water areas.  There are also  
polygon shapefiles of the mask used to do this.


On Mar 25, 2006, at 1:09 AM, Luigi Ponti wrote:

> Dear list,
>
> Following the GRASSNews_vol3 article on SRTM import, I was trying  
> to sharpen coastlines using GSHHS shapefiles. However, the imported  
> GSHHS vectors are just lines and not areas. Therefore I do not know  
> how to generate a raster MASK, because there is no area for  
> v.to.rast to produce a filled raster coverage.
>
> Thanks in advance for any help,
>
> Luigi
>
> --
> GRASS6/cygwin user
>

-----
William Kyngesburye <kyngchaos at kyngchaos.com>
http://www.kyngchaos.com/

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